30results about How to "The treatment effect is stable" patented technology

The invention provides a method for treating nitrobenzene and aniline waste water. The invention treats waste water mainly through immobilized microorganisms - an anaerobic biofilter (I-AF) and immobilized microorganisms - a biological aerated filter (I-BAF); wherein: the waste water is homogenized through a regulating tank and then enters a sedimentation tank to remove suspended substances (SS) in the waste water by putting into polymeric iron or polymeric aluminum for coagulation reaction; and the yielding water reach the up-to-standard discharge after entering a three-grade I-AF reactor and a four-grade I-BAF reactor for the further treatment. For detailed method and steps, please see the description. The method has advantages that the biological treatment improves the toxin immunity of microorganisms by adopting the immobilized microorganism technique, thereby realizing the high efficient biologic removal to poisonous harmful substances such as high concentration nitrobenzene and aniline, reducing the treatment costs and realizing the up-to-standard discharge of waste water. The purposes of the invention are applied to the treatment of wastewater containing nitrobenzene and aniline, as well as the treatment to high concentration organic waste water and the like.

The invention discloses a cold rolling oily wastewater treatment process, which comprises the following steps of: (1), pretreating thick-oil wastewater sequentially by filtering of an oil separation tank and a paper tape and ultra-filtration process of a ceramic membrane, and pre-treating thin-oil wastewater sequentially by adopting the oil separation tank, a CAF (Cavitation Air Flotation) process and a DAF (Dissolved Air Flotation) process; (2), mixing pre-treated thick-oil wastewater with the pre-treated thin-oil wastewater, carrying out biochemical treatment by adopting an electrochemical catalytic oxidation process and an MBR (Membrane Biological Reactor) process in sequence, controlling the water inlet temperature of the MBR process to be 20-35 DEG C, controlling the water inlet pH value to be 7-9, and adding oil-munching high-efficiency micro-organism complex microbial inoculants and MPE (Metallocene Polyethylene) into an MBR membrane tank; and (3), filtering outlet water (treated through the MBR process) by using a reverse osmosis membrane, and carrying out deep desalination treatment so that outlet water reaches emission or industrial production reuse water standard. The invention provides a set of systematic process specially aiming at treatment and reuse of cold rolling oily wastewater in steel mills; the COD (Chemical Oxygen Demand) of treated outlet water is less than 10mg / L; the electrical conductivity of treated outlet water is less than 50mu s / cm; and oil and suspended solids are nearly eliminated completely.

The invention provides a Chinese medicinal composition for treating bone joint diseases such as cervical spondylosis. Clove, cassia bark, cassia twig and dried ginger or ginger serving as raw medicaments are combined, the effects of all the components are synergetic, and the Chinese medicinal composition has the effects of complementing fire and dissipating cold, warming meridians and invigorating pulse, warming limbs, easing joint movement, dispelling wind, eliminating stasis and strengthening muscles and bones so as to fulfill the purpose of treating the cervical spondylosis. The medicaments and accessories are prepared into an externally applied preparation by a pharmaceutical conventional process; and the preparation is absorbed through the skin, is acted on local joints, muscles and tendons, has the effects of promoting local blood circulation, activating blood and dissolving stasis, dredging the channel, strengthening liver and kidney and strengthening muscles and bones, and further enhances the treatment effect on the cervical spondylosis. Clinical tests prove that the Chinese medicinal composition has good treatment effect, and has certain effect of treating and relieving rheumatic arthritis, rheumatoid arthritis, scapulohumeral periarthritis, vertebral column and other bone arthritis.

The present invention provides a double-side depressing molar teeth device, and belongs to the field of dental medical device. The double-side depressing molar teeth device comprises a pair of side support bars (1) and a connecting rod between them (2), and two micro-implants (6) implanted in the jaw joints side by side and located in the root of the first molar tooth. The connecting rod (2) is fixedly arranged between the rear ends of the side support bars (1) on both sides; each side support rod (1) is provided with three connectors (3), the front end of each side support rod (1) is provided with a front towing hook (4), each of the side support rod (1) is provided with a towing hook (5) close to the second molar; and rubber bands (7) are respectively arranged between the front hook towing hook (4) and micro-implants (6), and between rear towing hook (5) and micro-implants (6). The double-side depressing molar teeth device of the invention has the advantages of stable treatment effect, no side effects, improvement of patient comfort during treatment, low surgical risk, little trauma, and easiness to production and promotion.

A mirabegron slow-release mini-pill includes a drug-containing mini-pill and a coating layer, the drug-containing mini-pill is coated with the coating layer, the drug-containing mini-pill comprises 25mg of mirabegron, 70mg of a blank pill core, 100-200mg of a filler, 50-150mg of a lubricant and 5-50mg of a binder, the coating layer comprises 35-175mg of Eudragit NE30D and 5-52mg of talc powder, preparation steps are as follows: 1, preparing materials; 2, mixing; 3, preparing the binder; 4, pelleting; 5, preparing a coating agent; 6, coating; 7, filling; and 8, aluminum molding and finishing. The mirabegron slow-release mini-pill is used for urge urinary incontinence, dibetes insipidus overactive bladder, two advanced technologies of a novel slow-release preparation and a mini-pill preparation are used, treatment effect is stable, bioavailability is higher, the mirabegron slow-release mini-pill has the advantages of good drug stability, convenient packaging, transportation, storage and the like, and the preparation method is simple and suitable for industrial production.

The invention discloses a phyllanthus emblica leaf extractive preparation method which comprises the following steps: (1) soaking; (2) pulping and performing enzymolysis; (3) performing carbon dioxidesupercritical extraction; (4) separating; (5) distilling and freeze drying to obtain the phyllanthus emblica leaf extractive. According to the preparation method disclosed by the invention, are soaked and activating treatment is performed at first and then the activated phyllanthus emblica leaves are subjected to crush and pulp, and enzymolysis treatment is performed; thus, cell walls of the phyllanthus emblica leaves are damaged, the phyllanthus emblica particles are refined, effective ingredients in the phyllanthus emblica leaves can be extracted out more easily, quality is improved, and extracting time is shortened; then the carbon dioxide supercritical extracting method is utilized to extract the active ingredients of the phyllanthus emblica leaves, the purity is high, damage to the active ingredients is effectively reduced, and quality of a finished product is ensured. The phyllanthus emblica leaf extractive prepared by the preparation method disclosed by the invention can be added into pharmaceutical adjuvant to be prepared into corresponding preparation, can be applied to treating or assisting to treat aids, can strengthen patient physique and can improve patient life quality.

The invention discloses a device and a method for treating meat processing waste water, and belongs to the technical field of waste water treatment. A filter device, a water collecting well, an oil separation sand setting tank, an adjusting tank, a floatation tank, an anaerobic hydrolysis tank, a contact oxidation tank, a folded plate reaction tank, a secondary sedimentation tank and a disinfection tank of the device are connected in sequence; the secondary sedimentation tank is connected with the anaerobic hydrolysis tank; sludge discharge outlets of the oil separation sand setting tank, thefloatation tank and the secondary sedimentation tank are connected with a sludge thickening tank; the sludge thickening tank is connected with the adjusting tank; the sludge thickening tank is furtherconnected with a sludge tempering tank; the sludge tempering tank is connected with a sludge dehydration device; and the sludge dehydration device is connected with the adjusting tank. According to the device and the method disclosed by the invention, treated waste water can reach the primary standard of ''discharge standard of water pollutants for meat packing industry'', the treatment effect isstable, and the threat of meat processing waste water on the environment is relieved effectively.

The invention belongs to the field of oil production wastewater treatment of oil fields and particularly relates to an integrated intelligent oil production wastewater treatment device and method for the oil fields. Separation, filtration, scale removal, corrosion inhibition and sterilization functions of the integrated wastewater treatment device are realized with a fuzzy control algorithm; the device comprises a water supply unit, a gas supply unit, a separation unit, a filtration unit, a scale removal and sterilization unit, an online monitoring unit and an intelligent control unit; the device has the advantages of convenience in transportation and mounting, dosing is not required during running, particularly, the stable treatment effect is guaranteed with the adoption of the intelligent control manner, the investment of chemical agents is omitted, pollution to the environment and water bodies is avoided, flexible treatment requirements can be met, the automation degree is high, and the treatment technology adopts a practical and purely physical manner.

The invention discloses integrated purification treatment equipment of industrial wastewater of a steel plant. The equipment mainly comprises an adjustment tank, a lime softening and sedimentation tank, a folded-plate flocculating tank, a sloping-plate sedimentation tank and a valveless filtering tank; a pre-aeration device, a lifting pump and an ultrasonic liquid level instrument are arranged onthe bottom of the adjustment tank, a water distribution area and a pre-sedimentation area are arranged in the lime softening and sedimentation tank, a first reaction area, a second reaction area, a third reaction area and a buffering filtering area which are connected in sequence are arranged in the folded-plate flocculating tank, a second sloping plate is arranged on the middle portion of the sloping-plate sedimentation tank, and a plurality of perforated water collecting grooves are formed in the upper portion of the sloping-plate sedimentation tank. The equipment is reasonable in structuraldesign, has a good wastewater treatment effect and is capable of achieving zero-pollution discharging.

The invention relates to a traditional Chinese medicament for treating hypertension and a preparation method thereof. The traditional Chinese medicament for treating the hypertension is prepared from the following raw materials in parts by weight: 10 to 80 parts of corn stigma, 20 to 80 parts of malt, 1 to 10 parts of hawthorn, 10 to 30 parts of ophiopogon japonicas, 5 to 10 parts of semen cassia, 5 to 30 parts of polygonatum odoratum, 10 to 60 parts of Chinese yam, 5 to 30 parts of sealwort and 10 to 60 parts of tuckahoe. The traditional Chinese medicament for treating the hypertension comprises traditional Chinese medicinal components, is safe and reliable, has a good treatment effect on the hypertension and quick response, and has no toxic or side effect.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a device and a method for treating fluorine-containing, ammonia-nitrogen-containing and phosphorus-containing wastewater. The device for treating fluorine-containing, ammonia-nitrogen-containing and phosphorus-containing wastewater comprises a reaction tank, a reduction tank and an integrated water purifier which are connected in sequence, and a matched sludge treatment system and a dosing device; all the devices are connected in sequence through pipelines; the reaction tank is provided with threegrids, and baffling connection is adopted; and an alkali regulating agent and an oxidizing agent are adopted in the reaction tank to achieve a synergistic effect, so that the reaction speed and the reaction degree are increased, the consumption of chemicals is reduced, and the sludge yield is reduced. The device is mainly used for treating fluorine ammonia nitrogen total phosphorus wastewater with medium or low concentration, ensures efficient and stable effluent, reduces the dosage of chemicals, and shortens the reaction time.

The invention provides a fungus cultivating bag punching device. The fungus cultivating bag punching device comprises a connecting plate 3 of which the middle is provided with a round hole structure,and several punching units 4 which are distributed around the circumference of the round hole structure are arranged on the connecting plate 4; the circumferential distribution center of the punchingunits 4 is coaxial to the axis of the round hole structure of the connecting plate 3; each punching unit 4 comprises a mounting support 5, guide wheels 6 which are movably connected with each mountingsupport are arranged at the two ends of each mounting support respectively, an annular connecting belt 7 is arranged to be connected with the corresponding guide wheels 6, and several conical barns 8perpendicular to the annular connecting belts 7 are arranged at the outer sides of the annular connecting belts 7. The fungus cultivating bag punching device is used for punching the peripheries of cultivating bags after inoculation of cultures like auricularia fuscosuccinea or some mushrooms, punching is uniform, the treatment effect is stable, and the bag bodies cannot be torn expect for punching. After the fungus cultivating bag punching device is properly applied, the labor intensity can be low, the high-quality processing effect and high-efficiency production efficiency are obtained, andthus the economic benefit of enterprises is increased.

The invention provides a method for removing heavy metal in rare earth extraction waste water, comprising the following steps: (1) adding a precipitator to the rare earth extraction waste water for pretreatment, then performing filter pressing to remove residues, and performing subsequent treatment on waste liquor; (2) adding a coagulant aid to the waste liquor treated in step (1), then adding thewaste liquor together with the coagulant aid into a reaction chamber of an electric flocculation reactor, starting the electric flocculation reactor for flocculation treatment, then adding an adsorbent at the water outlet of the electric flocculation reactor, discharging mixed liquor containing floccule and hydrogen produced in the flocculation treatment process from the water outlet, and then performing solid-liquid separation, so as to obtain a solution which can be directly discharged. By adopting the method for removing heavy metal in the rare earth extraction waste water, the heavy metalcontent in the treated solution is far lower than that of the national 'Rare Earth Industrial Pollutant Discharge Standard' GB26451-2011 by one to two orders of magnitude, the treatment effect is steady, and the treated solution can be directly discharged.

A cefaclor sustained-release pellet comprises a medicated pellet body and a coating layer which wraps the medicated pellet body, the medicated pellet body is prepared from cefaclor, a blank pellet core, fillers, lubricating agents and binding agents, and the coating layer is prepared from eudragit NE30D and talcum powder. A preparation method of the cefaclor sustained-release pellet comprises the processes of material preparation, mixing, preparation of the binding agents, pelleting, preparation of coating agents, coating, filling and aluminum packing to obtain a finished product. The cefaclor sustained-release pellet is suitable for infection caused by sensitive pathogenic bacteria, the drug-release stabilizing effect is good, irritation to gastrointestinal tracts is small, the bioavailability is good, packing, transportation and storage are convenient, and the cefaclor sustained-release pellet is suitable for industrial production. After the cefaclor sustained-release pellet is orally taken, absorptivity is good, and although the cefaclor sustained-release pellet can be taken before or after a meal, food can increase total absorption of the cefaclor sustained-release pellet.

The invention belongs to the field of sewage treatment devices, and in particular relates to a coagulation gravity type fiber filtering device. A partitioning plate is arranged between a coagulation basin and a maturation pond in such a manner that the bottoms of the coagulation basin and the maturation pond are communicated with each other; a stirring device is arranged inside the coagulation basin; a water inlet tube is arranged on one side of the coagulation basin; the water inlet tube is communicated with a dosing device; a water inlet cavity, a filtering cavity, a water generation cavity and a backwash water discharge cavity are respectively formed inside the filtering pond; the water inlet cavity is communicated with the maturation pond; water inlet valves are arranged at the top of the water inlet cavity; a fiber filtering device is mounted inside the filtering cavity; a fiber beam control device is connected with the top of the filter filtering device; the fiber filtering device is communicated with the water generation cavity through an inner cavity; a water outlet is formed in the side wall of the water generation cavity; backwash aeration devices are arranged at the bottom on the outer side of the fiber filtering device; the backwash aeration devices are connected with a fan through a backwash air pipeline; backwash water discharge valves are arranged on the backwash water discharge cavity. The coagulation gravity type fiber filtering device is good in effluent quality, stable in treatment effect, high in impact resistance burden, small in medicine use amount, free of water supply and backwash water pump, and low in energy consumption.

The invention discloses a waste gas photolysis treatment device, which comprises an inlet separation layer and an outlet separation layer, wherein a sealed photolysis reaction region is defined between the inlet separation layer and the outlet separation layer; a high-energy ultraviolet lamp is arranged in the photolysis reaction region; a gas detector is arranged in the photolysis reaction region; the gas detector is near the outlet separation layer; the waste gas photolysis treatment device also comprises a controller; the high-energy ultraviolet lamp and the gas detector are respectively and electrically connected with the controller. The waste gas photolysis treatment device disclosed by the invention has the advantages that the structure is simple; the design is reasonable; the photolysis mode is used for treating organic waste gas; no high temperature and high pressure risk exists; the use is safe; the operation is simple; the high-energy ultraviolet lamp is used; ultraviolet rays with specific wavelength are used for converting the organic matters; the conditions that active carbon reaches saturation through adsorption, and the effect reduction occurs cannot occur; the waste gas conversion efficiency is high; the long-period and stable treatment effect is achieved. By the multi-stage passage structure design mode, the condition that the waste gas is not fully degraded is effectively avoided; the effect of thorough waste gas treatment is achieved.

The invention relates to a treatment method of nitrile glove production technological waste water, and belongs to the technical field of organic waste water treatment. The method comprises is characterized in that the waste water sequentially passes through a grating, a water collecting well, an initial sedimentation tank, a first-stage air flotation machine, a regulating tank, an ozone oxidationtank, a hydrolytic acidification tank, a first-stage A tank, an O tank, a second-stage A tank, a second-stage air floatation machine and a clear water tank, and the waste water is finally discharged after standards are reached. The method has the advantages that the operation cost is low, the operation is simple, suspended solid, COD, total nitrogen and the like in a nitrile glove production technology can be efficiently removed, and finally the waste water reaches the first-level A discharging standard of <Discharge Standard of Pollutants in Urban Sewage Treatment Plant> (GB 18918-2002).

The invention discloses an electroplating chromium-containing wastewater treatment system and a treatment technology thereof. The treatment system comprises a chromium-containing wastewater collectingsystem, a first pH adjusting system, a second pH adjusting system, a shallow air-floatation system, a temporary storage system, a sand filter system and an ultrafiltration system which are sequentially connected, wherein the shallow air-floatation system is further connected with a plate-frame pressure filtration system. According to the electroplating chromium-containing wastewater treatment system, electroplating chromium-containing wastewater is subjected to full treatment and up-to-standard discharge, chromium ions and other pollutants in the wastewater are effectively treated, damage ofdirect discharge to the environment and the ecosystem is avoided, the technology process is simple, a treatment effect is stable, the treatment investment cost is low, and discharge standards are met.

The invention discloses a therapy device for inactivating pathogenic microorganisms in in-vivo blood by photodynamic therapy. The device comprises a laser light source, a driving power source, an irradiation cabin and a photosensitizer pump, wherein the driving power source is arranged in a shell for providing electric energy for the therapy device; the irradiation cabin is connected with an extracorporeal circulation channel; the photosensitizer pump is connected with the irradiation cabin; a control panel for controlling the photosensitizer pump and the power density of the laser light source is also arranged in the shell; a fluorescent detector is connected between the control panel and the irradiation cabin; a light source control circuit is connected between the control panel and the laser light source; and the front side face of the shell is provided with an operating panel which is connected with the control panel and the driving power source. Through the therapy device for inactivating the pathogenic microorganisms in the in-vivo blood by the photodynamic therapy, the photodynamic therapy is performed on the blood to inactivate the pathogenic microorganisms in the blood. Since the control panel for controlling the photosensitizer pump and the power density of the laser light source is arranged in the therapy device, the using amount of a photosensitizer and the power density of the laser light source can be adjusted and controlled in real time according to a feedback signal of the fluorescent detector; and the therapy device has stable therapy effect and is convenient to operate.

The invention relates to a method for treating phenol-containing wastewater in high-concentration hydrochloric acid, the concentration of hydrochloric acid in the phenol-containing wastewater in the high-concentration hydrochloric acid is as high as 15-25%, and the phenol content is 250-350mg / L. The method comprises the following steps: heating the high-concentration hydrochloric acid phenol-containing wastewater to 70 DEG C, keeping the temperature constant, then adding a formaldehyde solution for reaction, carrying out filter pressing after the reaction is completed, and treating the filter pressing liquid after filter pressing through resin. According to the method for treating the phenol-containing wastewater in the high-concentration hydrochloric acid, pure hydrochloric acid can be obtained after treatment through the method and reused for production, and meanwhile, the removal rate of phenolic substances reaches up to 98% or above. The treatment method has the advantages of obvious phenol-containing organic matter removal effect, low treatment cost, stable and reliable process and the like.

The invention discloses epristeride sustained-release pellets and a preparation method thereof. The epristeride sustained-release pellets comprise a coating layer, drug-containing pellets, Eudragit NE 30D, powdered steatile, sodium dodecyl sulfate or polyethylene glycol, epristeride, blank-pellets, a filler, a lubricant, and an adhesive. According to the invention, a novel sustained-release preparation and a pellets preparation are employed, sustained release means that by prolonging drug release rate of a drug in a dosage form, the absorption rate of the drug in human body is reduced, so that more stable treatment effect can be realized; the pellets have the advantage of large distribution area of the drug on surface of gastrointestinal tract, reduce irritation, increase bioavailability, and do not be influenced by gastric emptying influence, the drug can be uniformly absorbed by human body, individual difference is little; simultaneous application of two advanced technologies enhances the technical advantage of the epristeride sustained-release pellets; compared with oral liquid, the epristeride sustained-release pellets have the advantages of good drug stability, convenient package, transport and storage, the preparation method is simple and easy to operate, and is suitable for industrial production.

The invention discloses an efficient sewage treatment agent in a low-temperature environment and a method for treating sewage by using the efficient sewage treatment agent, and belongs to the technical field of sewage treatment. The efficient sewage treatment agent in the low-temperature environment is prepared from the following components in percentage by weight: 43.8 percent to 46.5 percent ofpolysilicate aluminum ferric, 28.7 percent to 30.6 percent of bentonite, 19.3 percent to 20.9 percent of zeolite powder and 4.9 percent to 5.4 percent of diatomite. The sewage treatment effect of thesewage treatment agent is not influenced by low-temperature conditions, the treatment process is simple and easy to operate, and the final domestic sewage treatment effluent can stably reach the first-grade B standard of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002).

The invention discloses a preparation method of a tinea eliminating preparation, which comprises the following specific steps: preparing raw materials, preparing paste, preparing a water sample, preparing an oil sample and mixing the whole. According to the preparation process of the formula, the proportion of the production raw materials is moderate, and the dryness and the humidity are moderate, so that when the tinea eliminating preparation is used, the finished product can be completely smeared to the skin surface to completely cover the affected part, so that the skin is treated, the inflammatory reaction of tissues is not caused, the treatment effect is further achieved, air drying at a high speed is avoided, the drug reaction is performed at a normal speed, the affected part is not stimulated, and the inflammatory reaction of the tissues is avoided; therefore, a better and more stable treatment effect is achieved, and the problems that in the current western medicine, hormone medicines are generally adopted for treatment, other diseases are easily induced, symptoms are treated, the diseases are easy to relapse, some traditional Chinese medicine pills are used, other influences are caused on the body, and the treatment period is long are further solved.

The invention relates to a traditional Chinese medicine used for treating periodontitis and a preparation method thereof, belonging to the technical field of the traditional Chinese medicine and the preparation method thereof. The traditional Chinese medicine is characterized by comprising a prescription A and a prescription B; wherein the prescription A comprises the following ingredients by weight ratio: 20 to 60 portions of double blossom, 20 to 70 portions of Chinese violet, 20 to 60 portions of dahurian patrinia herb, 20 to 70 portions of honey suckle flower, 20 to 60 portions of common cephalanoplos herb and 2 to 30 portions of lucid ganoderma; the preparation method comprises the following steps of: 1) cleaning and weighting the drug; 2) putting into the pan for decoction; and 3) cooling. The prescription B comprises the following ingredients by weight ratio: 200 to 500 portions of yellow wine, and adding 800 to 1600 portions of iodinated salt; the preparation method comprises the following steps of: taking, mixing and melting the yellow wine and iodinated salt, pouring into the pan for heating and baking, frying repeatedly with a shovel till the mixture is slightly yellow and black and taking after cooled. The traditional Chinese medicine used for treating periodontitis has stable curative effect, safe and convenient therapeutic process, high curative rate and no relapse of disease. The preparation method of the traditional Chinese medicine has simple operation, safety and practicability.

The invention provides eye drops for epidemic keratoconjunctivitis. The eye drops are prepared from radix saposhnikoviae, senecio scandens, mint, centipeda minima, concha haliotidis, crocus sativus, white mulberry root-bark, borneol, semen cuscutae, ash bark, herba ecliptae, liriope spicata, honeysuckle, buddleja officinalis, plantain herbs, schizonepeta, glossy privet fruit, coptis chinensis, flatstem milkvetch seeds, Chinese yam, polygonum aviculare, prunella vulgaris, paper mulberry fruit, feather cockscomb seeds, raspberries, pipewort, common bluebeard herbs and sticktight. The eye drops have few side effects and are stable in treatment effect, reliable, high in safety and high in clinical application value.

The invention relates to the technical field of sewage treatment, and particularly discloses a reagent for treating suspended matter in sewage and a preparation method of the reagent. The reagent is prepared from the following raw materials in parts by weight: 55-60 parts of poly(diallyldimethylammonium chloride), 25-30 parts of citric acid, 25-30 parts of corn starch, 17-20 parts of breeze powder, 12-15 parts of activated carbon, 35-40 parts of sodium alginate, 12-15 parts of lactic acid bacteria, 12-15 parts of actinomycetes, 14-16 parts of yeast, 14-16 parts of bifidobacteria, 17-20 parts of photosynthetic bacteria, 12-15 parts of bacilli and 17-20 parts of indigenous bacteria. The reagent has the characteristics that fewer manpower and material resources are consumed, secondary pollution to the environment can be avoided, and decontamination efficiency is higher.

The invention discloses integrated skid-mounted treatment equipment enabling coating wastewater to meet the reuse standard. The integrated skid-mounted treatment equipment comprises a plurality of storage pools, a Fenton reactor, an integrated filter, a coagulative precipitation tank, a secondary sedimentation tank, an A / O reactor, an MBR (membrane bioreactor), an activated carbon fiber, a precision filter and an ultrafilter, wherein the storage pools comprise a guide channel waste liquid pool, an acid cleaning liquid pool, a degreasing cleaning liquid pool, a phosphatizing cleaning liquid pool and a domestic sewage pool and are connected with the Fenton reactor through metering pumps. According to the equipment, different bath solutions are pumped proportionally according to set programsand pass through a series of integrated devices including the Fenton reactor, the integrated filter, the coagulative precipitation tank, the secondary sedimentation tank, the A / O reactor, the MBR, theactivated carbon fiber, the precision filter and the ultrafilter, and finally, effluent meets the reuse standard; the whole integrated equipment is compact and reasonable in structure, has stable treatment effect and is not affected by periodic discharge of all kinds of wastewater of a coating factory, and the effluent quality is stable.

The invention discloses a high-concentration ammonia-nitrogen wastewater catalytic oxidation treatment device and a treatment method thereof. The treatment device comprises an air stripping device, a plurality of groups of catalytic oxidation devices, an adsorption tower and an air pump, the air stripping device comprises an air stripping box, an atomizing nozzle, a gas-liquid mixing pump and an air blowing device, the catalytic oxidation device comprises at least three groups, each group of catalytic oxidation device comprises a catalytic oxidation box and a plurality of groups of electrolysis units, and the adsorption tower is communicated with a sodium hypochlorite generator through a pipeline; the ammonia nitrogen removal rate is high, the treatment effect is stable, the influence of water temperature is avoided, equipment is simple, ammonia nitrogen is blown out to form a gas phase, and then catalytic oxidation is performed; salt is prevented from being added into the wastewater in the ammonia nitrogen oxidation process; dynamic balance of air stripping and oxidation is achieved, allowance is kept, and reliability and energy conservation are achieved; ammonia nitrogen in the wastewater is completely oxidized and decomposed into nitrogen and water, so that the problem of ammonia nitrogen pollution is thoroughly solved; after being treated by the method, the ammonia-nitrogen wastewater can be delivered to a wastewater treatment system for deep purification, so that the wastewater treatment pressure is relieved.

The invention relates to the technical field of recycling of coarsening solutions, in particular to an electroplating chromium-free coarsening chemical solution purifying and recycling system and method. According to the method, technical principles of low-pressure high-temperature steam distillation and membrane filtration are adopted, a chromium-free chemical solution is heated by means of low-pressure steam, and then the chromium-free chemical solution is separated from water through negative pressure distillation; and water steam is filtered in a precision membrane filtration mode, and the effect of thoroughly separating the chromium-free chemical solution from the water is achieved. Solid impurities in the chromium-free chemical solution are removed, the cleanliness degree of the chromium-free chemical solution is high after dewatering is conducted, the purifying treatment effect is stable, the recycling rate is high, energy conservation and environment protection are achieved, and the operation cost of an enterprise can be effectively reduced.

The invention discloses an ammonia nitrogen / total nitrogen treatment device and method. The device comprises a high-frequency pulse switching power supply, a self-made titanium alloy plate electrode, a plate electrode surface coating, a self-designed circulating water inlet / outlet system, a self-designed reaction tank and a connection system, wherein the electrifying mode of the high-frequency pulse switching power supply is direct current forward-power cut-forward; and the plate electrode surface coating is proportionally prepared from activated carbon powder (or supercapacitor activated carbon powder), polyvinylidene fluoride and conductive powder. The method comprises a circuit connection mode that the self-designed plate electrode is connected in parallel to the high-frequency pulse switching power supply. When being used for treating brine wastewater by high-frequency pulse power supply adsorption, the ammonia nitrogen / total nitrogen treatment device has the advantages of low energy consumption for every ton of brine wastewater, stable treatment effect, high speed of reaction balancing, and small secondary pollution, and has obvious advantages as compared with other methods.