32results about How to "Short flocculation time" patented technology

The invention relates to a device and a method for integrally processing garbage percolate, wherein the device comprises a denitrification mechanism, a polymerizing reaction tank, a sloping plate / pipe sedimentation tank, a biochar filter bed, an SMBR reactor and a medicine dissolving and dispensing mechanism, wherein the medicine dissolving and dispensing mechanism comprises three parallel medicine dissolving tanks including an alkali liquor tank, a flocculation liquid medicine tank and a flocculation aid liquid medicine tank; the three medicine dissolving tanks are respectively communicated with an alkali liquor medicine adding hole on a liquid inlet pipe of a stripping tower and a flocculation medicine adding hole and a flocculation aid medicine adding hole of pipelines communicated with a denitrification settling water tank and the polymerizing reaction tank. The treatment method comprises ammonia nitrogen stripping, coagulating sedimentation, biochar filter bed treatment, SMBR reactor treatment, nanofiltration and / or reverse osmosis treatment. The device and the method consist of a high-efficiency ammonia nitrogen stripping tower, whirl grid coagulation, sloping plate (pipe) setting, the biochar filter bed and the SMBR reactor, integrates the advantages of a garbage percolate treatment process and solves the problem of difficult treatment and high expense of the garbage percolate. The high-efficiency ammonia nitrogen stripping tower has high utilization rate on gases, a new gas distribution structure improves the energy efficiency, and the invention has the advantages of reducing the occupied area and reducing the operation expense.

The invention discloses a high-dryness conditioning and dehydrating method for sludge. A compound conditioning agent is adopted, the strong oxidizing property of an oxidant, the flocculating function and magnetic field force function of magnetic powder and the electrical neutralization of an inorganic flocculating agent are organically combined with the adsorptive bridging function and the macromolecular sweeping and trapping effects of a compression double-electron layer and an organic flocculating agent, and the advantage of each conditioning agent is brought into play in a synergetic manner, so that the sludge structure and property are improved effectively, water in sludge cells and bound water on the surface of an extracelluar polymer are released, the dehydration performance of the sludge is improved remarkably, and high-dryness dehydration is realized. The method has the advantages of high sludge dehydration degree, good flocculating effect, short flocculating and settling time, high volume reduction rate and low dehydration cost.

The invention discloses a method for preparing stevia rebaudiana polyphenols through a composite chitosan flocculation method and belongs to the technical field of plant extraction. The method comprises flocculating stevia rebaudiana water extract at room temperature with composite chitosan for impurity removal, and then absorbing supernatant through microporous resin to obtain effluent for further extraction of stevioside; then eluting the microporous resin with alcohol aqueous solutions of different concentrations, combining eluent eluted by low-concentration alcohol aqueous solutions with the undiluted effluent to obtain a combined solution with a content of total phenols lower than 0.5% on a dry basis for extracting stevioside; drying the eluent eluted by high-concentration alcohol aqueous solutions to obtain stevia rebaudiana polyphenols mainly containing isochlorogenic acid. The method for preparing the stevia rebaudiana polyphenols through the composite chitosan flocculation method achieves production of the stevia rebaudiana polyphenols with high content of isochlorogenic acid on the basis of an original stevioside production process, thereby achieving comprehensive utilization of stevia rebaudiana and increasing the economic benefits for enterprises.

The invention discloses a sewage treatment flocculant and a preparation method thereof. The sewage treatment flocculant is prepared from, by weight, 10-20 parts of lignin, 20-40 parts of polyacrylamide, 40-80 parts of trimethylolpropane, 5-15 parts of chitosan quaternary ammonium salt, 5-15 parts of cationic etherified starch, 6-8 parts of polyaluminum ferric sulfate, 8-12 parts of polyphosphoricferric chloride, 10-15 parts of polyaluminum chloride, 8-12 parts of sodium polyacrylate, 8-12 parts of nano silicon dioxide, 1-3 parts of sodium silicate, 2-4 parts of calcium hypochlorite, 10-15 parts of activated carbon and 500-1000 parts of water. The flocculant is good in flocculating performance, small in temperature influence, good in heavy metal removal effect and short in flocculating time, has a certain cleaning effect on organic and inorganic wastes, and can prevent scaling.

A method of using biology in the diatomite purification to prepare coal washing water of coal mine and mine water treatment agent relates to the preparation and the application of coal washing water and mine water treatment agent. Low grade diatomite in associated SiO2 in a pickling essential diatom earth purifying process is used by the invention to be immersed in distilled water, filtered and dried until the water content is less than 5%. P123, sodium metaphosphate, cetyl trimethyl ammonium bromide and tetramethylammonium bromide are dissolved and prepared to be solution, the weight percent concentration of which is 2.5-5. The pH value is regulated to be 8-11. The weight ratio of the diatomite to the solution is 1 to 10-1 to 30. The solution is stirred and filtered to obtain a filter cake, which is dried to collect a resultant. And the weight percent concentration of P123 in the solution is better 2.5. When used, the treatment agent of 0.1-0.3g / L is put in the coal washing water or the mine water to be stirred for thirty seconds and kept statically. Supernatant liquid is siphoned. Diatomite coal sludge of lower layer is recycled. The invention has the advantages of short flocculation time and less energy consumption. The suspended substance sedimentation rate and the COD removal rate are improved. Fallouts are easy to be removed. And the objectives of recycling the mine water and coal water and reducing the environmental pollutions are achieved.

The invention discloses a magnetic flocculant with aluminum salt loaded with ferroferric oxide. The magnetic flocculant is prepared by loading ferroferric oxide nanoparticles on aluminum salt. The invention further discloses a preparation method of the magnetic flocculant. The preparation method comprises the following steps: S1, adding aluminum salt and water into a reactor, and stirring till the aluminum salt is dissolved and sufficiently mixed; S2, adding NaOH, performing high-temperature polymerization reaction, and transferring a reaction solution into an ultrasonic cleaning machine; S3, adding ferroferric oxide nanoparticles into hydrochloric acid for acidizing treatment, filtering, adding into the ultrasonic cleaning machine of the step S2, performing ultrasonic treatment, and performing standing to age, thereby obtaining the magnetic flocculant. The magnetic flocculant disclosed by the invention has the advantages of being small in addition amount, short in flocculation time, good in flocculation property, small in pH value and temperature influence and the like as compared with a conventional flocculant, not only is a relatively large specific surface area maintained, but also a relatively good adsorption property is achieved, and the magnetic flocculant can be effectively separated and recycled after being used.

The invention relates to a micro-vortex flocculation purifying technology, especially relates to a spinning-type micro-vortex flocculation device, and is suitable for the technical fields of municipal water feeding and sewage processing. The spinning type micro-vortex flocculation device is composed of flocculation rings, supports, connection rods, and other parts, and is characterized in that the whole device is composed of layers, comprises at least three layers, and each layer is provided with at least four flocculation rings. The device has a strong adaptability to water quality and water volume, and has the characteristics of stable operation, good flocculation effect, and convenient assembly.

The invention discloses a compound multiple-effect sewage treatment flocculant and a preparation method thereof. The compound multiple-effect sewage treatment flocculant comprises the following raw materials in parts by weight: 80-90 parts of lignin, 25-30 parts of normal hexane, 25-30 parts of cyclohexane, 50-70 parts of propionic aldehyde, 100-120 parts of absolute ethyl alcohol, 30-50 parts of acrylamide, 20-30 parts of triethylenetetramine, 30-32 parts of sodium formaldehyde bisulfite, 4-6 parts of glycerol monostearate, 400-420 parts of isopropanol, 8-12 parts of methacryloyloxyethyl trimethyl ammonium chloride, 8-12 parts of acrylamido propyl trimethyl ammonium chloride, 10-14 parts of polymeric aluminum ferric sulfate, 8-12 parts of polymeric phosphate ferric chloride, 2-6 parts of poly aluminum chloride, 18-22 parts of sodium polyacrylate, 1-3 parts of sodium bisulfite, 2-4 parts of sodium hypophosphite, 10-12 parts of active carbon, 10-12 parts of raw gypsum and 280-320 parts of water.

The invention relates to the field of oil and gas drilling, in particular to a flocculating agent for a drilling fluid. An acrylamide copolymer is composed of an acrylamide structural unit and an imidazole ionic liquid structural unit, the acrylamide structural unit has a structure shown in a formula (1), and the imidazole ionic liquid structural unit has a cationic structure shown in a formula (2). The acrylamide copolymer or hydrolysate thereof provided by the invention can effectively solve the problems of high solid phase content, difficult maintenance and the like of the drilling fluid when being used as a water-based drilling fluid flocculant, and has long-term practical value and economic benefit for further promoting repeated utilization and resource utilization of the drilling fluid and promoting safe and environment-friendly development of an oil field.

The invention discloses a sewage processing flocculating agent. The sewage processing flocculating agent comprises, by weight, 10 to 20 parts of diatomite, 8 to 15 parts of bentonite, 1 to 3 parts ofa microbial preparation, 3 to 8 parts of active carbon, 10 to 20 parts of bean leaf extracted product, and 10 to 15 parts of leaf extracted product. The sewage processing flocculating agent is short in flocculation time, and high in flocculation efficiency; combination of the bean leaf extracted product and the leaf extracted product is a key factor in increasing of the flocculation efficiency; after flocculation processing, no ingredient is left in water, no secondary pollution is caused. The sewage processing flocculating agent is suitable to be used for processing industrial wastewater anddomestic wastewater, and the suitable range is wide.

The invention provides a method for regenerating waste engine oil by a combination of solvent extraction and extraction centrifugation, and belongs to the technical field of motor vehicle engine oil.The method provided by the invention comprises the following steps: firstly performing extraction-flocculation treatment on the waste engine oil, a flocculant and a mixed solvent, wherein the flocculant is ethanolamine, and the mixed solvent is formed by mixing methanol, n-butanol and toluene; performing constant-temperature sedimentation on the oil-containing mixture, taking the supernatant liquid, and performing distillation at reduced pressure to obtain preliminarily refined waste engine oil; and finally, adding N-methyl pyrrolidone (NMP) into the preliminarily refined waste engine oil, stirring the mixture at a constant temperature for a period of time, and performing centrifugal separation to obtain regenerated oil. Experimental results show that the regenerated oil obtained by the method has a higher recovery rate and better quality, and the method is simple to operate, has mild process conditions, a short production cycle, and environmental protection.

The invention discloses a gridding vortex street reactor which is characterized in that the whole reactor is polygonal formed by splicing a plurality of griddings. The griddings adopt hollow structures and are hexagonal, which are obtained by splicing three-dimensional slanting plate grid bars and connection pieces; the griddings are 3-10cm high in the vertical direction; intercrossed slanting plates are arranged on two sides of the three-dimensional slanting plate grid bars; the slanting plates and flat plate grid bars are integrally molded; included angles between the intercrossed slanting plates and the horizontal axis are 20-60 degrees. The griddings in the gridding vortex street reactor can further arrange the direction of water flow when the water flow runs by, so that conditions are supplied to radial collision of different sizes of particles along turbulent vortex; the phenomenon of short circuit easily caused by common large-scale basin type water flow is avoided, and the flocculation effect is greatly enhanced; meanwhile, the gridding vortex street reactor is easy to mold, light in weight, easy to mount, firm and anti-corrosion.

The present invention relates to a treatment method for alcohol-containing wastewater, in particular to a treatment method for alcohol-containing wastewater produced after deicing of an airport by a deicing fluid. Before a film is adopted to carry out separation treatment on the alcohol-containing wastewater, a flocculant is used to carry out flocculation and precipitation pretreatment on the alcohol-containing wastewater, wherein the flocculant is composed of an inorganic polymeric flocculant, an aqueous solution of which is acidic, and an organic polymeric flocculant, an aqueous solution of which is alkaline. According to the treatment method for the alcohol-containing wastewater, impurity contamination caused by pH value adjustment in an alcohol-containing wastewater flocculation treatment process is reduced; the flocculation effect is good; film separation equipment is maintained to operate stably at a high utilization rate, and the flocculant can be recycled.

The invention relates to a small-sized water purification device integrating micro electric flocculation and an unpowered single valve filter. The small-sized water purification device comprises a raw water tank, the single valve filter, a backwash water tank, an ultraviolet sterilizer and a water seal well, wherein an overflow pipe is arranged on the side surface of the upper part of the raw water tank, a concave electrolytic reaction zone is formed at the bottom of the raw water tank, an aluminum electric flocculation pole plate externally connected with a 6-12 V direct-current stabilized power supply is arranged in the electrolytic reaction zone; the bottom of the electrolytic reaction zone communicates with one end of a U-shaped water inlet pipe, and the other end of the U-shaped water inlet pipe communicates with the top of the single valve filter; the bottom of the backwash water tank communicates with the bottom of the single valve filter through a backwash water inlet pipe, a water outlet pipe is connected with the upper part of the backwash water tank, the ultraviolet sterilizer is connected with the middle of the water outlet pipe, and a user water tank is connected with the tail end of the water outlet pipe; a backwash drainage pipe is inserted into the water seal well, and one end of the backwash drainage pipe communicates with the top of the single valve filter; a water collection zone, a supporting layer and a filter material layer are arranged in the single valve filter from bottom to top sequentially. The small-sized water purification device is simple to operate, and the pollutant removing effect is remarkable.

The invention provides a composite flocculant for refinery wastewater treatment, and a refinery wastewater treatment method. The composite flocculant for refinery wastewater treatment is prepared fromthe following components in parts by weight: 8-15 parts of an aluminum salt, 6-10 parts of a zinc salt, 0.02-0.05 part of an organic flocculant, 3-4 parts of an organic complexing agent, 70-85 partsof water and an inorganic strong acid, wherein the concentration of the inorganic strong acid in the composite flocculant is 0.025-0.085 mol / 100 g. The composite flocculant for refinery wastewater treatment provided by the invention solves the problem of loose floc of a single organic flocculant, and has the advantages of high flocculation efficiency, large and compact floc, small addition amount,low cost and the like when being used for treating refinery wastewater.

The invention discloses a method for preparing sewage flocculation sedimentation agent, soil curing agent and foam concrete by using red mud, gangue and / or fly ash. Red mud, gangue and / or fly ash should be taken in parts by weight and mixed together firstly. Then the method comprises three technical steps of: (a) adding solid sodium silicate powder into a part of the mixed powder material to obtain the sewage flocculation sedimentation agent; (b) adding solid sodium silicate powder and calcium lignosulphonate powder into a part of the mixed powder material to obtain the soil curing agent; (c)adding regeneration machine-made sand and / or regeneration machine-made bone grain, water, additive and alkali resistant fiber to a part of the mixed powder material to obtain the foam concrete. By the method in the invention, the target of being harmless, material-saving, stable and recyclable in the whole environment friendly process is realized. At the same time, the ultimate goal of zero release, high utilization ratio, high additional value and industrial production is achieved, and an industry chain and an industry group are formed by using multi-disciplinary technology in various fieldsto recycle and utilize the waste for waste treatment.

The invention relates to an algae setting material, which comprises 5 to 70 percent of natural fiber material and 30 to 95 percent of natural high polymer material, wherein, the natural fiber material is selected from plant fiber and / or animal fiber, and the natural high polymer material is selected from crab derivatives and / or shrimp derivatives and plant viscous juice with a proportion no less than 5 percent. The algae setting material is the natural substance without any harm to human bodies, livestock, environment as well as aquatic animals and plants, and has coagulation, adsorption, tangling and enmeshing function for the algae. When the use amount of the algae material is 0.1 to 10mg / L, the removal efficiency of the algae is over 95 percent. The obtained algae setting body of the flocculation has strong holding power, good performance of floating and drainability, little algae mug and convenient post-process, so the invention is applicable to urgent treatment of burst red tide in ease water and water bloom in fresh water.

The invention belongs to the field of the microbial technology, relates to a method for preparing a biological flocculant by enterobacter gergoviae and enterobacter gergoviae use, and especially relates to enterobacter gergoviae and its use in preparation of the biological flocculant. The preparation method of the biological flocculant comprises the following steps of inoculating a sterile strain medium with enterobacter gergoviae, carrying out culture, collecting the culture solution, inoculating a fermentation medium with the culture solution, carrying out culture at a temperature of 30 DEG C for 18h, carrying out fermentation broth centrifugal separation, and removing a supernatant and precipitates to obtain the biological flocculant. The preparation method has simple processes and a low cost. The biological flocculant has the advantages of high activity, strong heat resistance, good pH tolerance and no secondary pollution, can improve sludge settlement in sewage treatment, and has a flocculation rate of 90% and a good application prospect.

The invention discloses a fiber radical sewage decoloration and purification material which is characterized by comprising a component (I) and a component (II). The component (II) occupies 5%-10% of the total mass. The component (1) is a product obtained by reaction of 36% formaldehyde solutions, dicyandiamide, ammonium chloride and property-modifying additives A, wherein the mass ratios of the 36% formaldehyde solutions, the dicyandiamide, the ammonium chloride and the property-modifying additives A are sequentially 1.0-1.3:0.50-0.65:0.60-0.70:0.06-0.09. The property-modifying additives A are a mixture obtained by mixing magnesium sulfate and magnesium chloride according to a proportion, wherein the mass ratio of the magnesium sulfate and the magnesium chloride is 2.0-3.5:8.0-6.5. The component (II) is a natural fiber (plant and / or animal) which is modified by cation modifiers. The fiber radical sewage decoloration and purification material integrates multiple functions such as decoloration, flocculation, entanglement and COD removing. The decoloration ratio of sewage can reach more than 93%, the COD value removing rate is higher than that of the prior art by more than 10%, reclaimed water reusing can be achieved, and sewage discharging is reduced.

The invention discloses an efficient defluorination microbial flocculant applied to photovoltaic wastewater, and relates to the technical field of biological method wastewater treatment materials, the microbial flocculant comprises a fluorine-resistant bacterium suspension, nutritional ingredients and a solid-phase carrier; the fluorine-resistant bacterium suspension is a liquid fluorine-resistant flora, and comprises effective fluorine-resistant bacteria with the viable count of not less than 1 billion / g; the nutritional ingredients comprise cane sugar, urea, ascorbic acid and dipotassium phosphate; and the solid phase carrier comprises one or more than two of wheat bran, corn flour and soybean meal. The liquid fluorine-resistant microbial agent is prepared from liquid fluorine-resistant flora obtained from sludge polluted by fluorine-containing organic compounds, cane sugar, glycerol, urea, ascorbic acid, dipotassium phosphate and monopotassium phosphate. The microbial flocculant prepared from the raw materials has selectivity on fluorine ions, is high in efficiency and small in usage amount when being used for treating fluorine-containing industrial wastewater, is short in time of forming flocculation in water, is environment-friendly and does not generate secondary pollution.

The invention discloses a method for preparing stevia polyphenols by using a composite chitosan flocculation method, and belongs to the technical field of plant extraction. In the present invention, the water extract of stevia leaf is flocculated and removed with composite chitosan at room temperature, and the supernatant is adsorbed with a macroporous polar resin; the effluent is used to further extract steviol glycosides; the resin is eluted with alcohol aqueous solutions of different concentrations , after elution with low-concentration alcohol aqueous solution, the obtained analysis solution is combined with the effluent before analysis to obtain a combined solution, the total phenol content in the combined solution is less than 0.5% (on a dry basis), and the combined solution is retained for extracting steviol glycosides. The eluate after elution with high-concentration alcohol aqueous solution is dried to obtain stevia polyphenols mainly composed of isochlorogenic acid. The invention realizes the simultaneous production of stevia polyphenols with high isochlorogenic acid on the basis of the original steviol glycoside production process, realizes the comprehensive utilization of stevia, and improves the economic benefits of enterprises.

A ladder tower flocculation reaction device comprises a stand tower structure, a vertical partitioning plate and a lower end trumpet-shaped expanding opening. A stand tower comprises oval step plates and pulling ribs. The trumpet-shaped expanding opening is formed in the lower end of the tower. 2-5 circles of circular or oval step table plates are horizontally arranged at the lower end of the tower from top to bottom with the sizes gradually reduced. The pulling ribs are used for connecting the table plates. A plurality of supporting partitioning plates are arranged in the vertical direction perpendicular to the ladder table plates. A cross-shaped turbulent flow partitioning plate is horizontally arranged in the middle of the tower. The step plates and the pulling ribs shaped like a Chinese character 'mi' are connected in a welding or bolt mode, and the supporting partitioning plates and the step plates are connected in a welding or bolt mode. Ladder tower flocculation equipment has the advantages of being good in corrosion resistance, high in intensity, attractive in appearance, convenient to mount, good in flocculation effect, low in head loss, short in flocculation time and the like. The ladder tower flocculation reaction device can generate high-frequency-spectrum vortex, flocculation particle contacting and colliding frequency is improved, and effective collision rate of particles in water is improved.

The invention provides a method for preserving Isochrysis globosa, which belongs to the technical field of microalgae cultivation. The method comprises the following steps: 1) Cultivating Isochrysis globosa with an f / 2 medium containing a mixed antifreeze agent. Obtaining Isochrysis globosa culture medium in the logarithmic growth phase; 2) Adding ferric chloride to the Isochrysis globosa culture fluid described in step 1) for flocculation to obtain flocculated Isochrysis globosa cells; 3) The flocculated Isochrysis globosa cells are collected, freeze-dried, and sealed for storage; the mixed antifreeze agent in step 1) includes dimethyl sulfoxide and methanol. Using the method of the present invention to preserve Isochrysis globosa, after one year of storage at room temperature, the survival rate of the Isochrysis globosa cells can reach 92%, which is far greater than the cell survival rate of conventional preservation methods.

A ladder tower flocculation reaction device comprises a stand tower structure, a vertical partitioning plate and a lower end trumpet-shaped expanding opening. A stand tower comprises oval step plates and pulling ribs. The trumpet-shaped expanding opening is formed in the lower end of the tower. 2-5 circles of circular or oval step table plates are horizontally arranged at the lower end of the tower from top to bottom with the sizes gradually reduced. The pulling ribs are used for connecting the table plates. A plurality of supporting partitioning plates are arranged in the vertical direction perpendicular to the ladder table plates. A cross-shaped turbulent flow partitioning plate is horizontally arranged in the middle of the tower. The step plates and the pulling ribs shaped like a Chinese character 'mi' are connected in a welding or bolt mode, and the supporting partitioning plates and the step plates are connected in a welding or bolt mode. Ladder tower flocculation equipment has the advantages of being good in corrosion resistance, high in intensity, attractive in appearance, convenient to mount, good in flocculation effect, low in head loss, short in flocculation time and the like. The ladder tower flocculation reaction device can generate high-frequency-spectrum vortex, flocculation particle contacting and colliding frequency is improved, and effective collision rate of particles in water is improved.

The present invention relates to a treatment method for alcohol-containing wastewater, in particular to a treatment method for alcohol-containing wastewater produced after deicing of an airport by a deicing fluid. Before a film is adopted to carry out separation treatment on the alcohol-containing wastewater, a flocculant is used to carry out flocculation and precipitation pretreatment on the alcohol-containing wastewater, wherein the flocculant is composed of an inorganic polymeric flocculant, an aqueous solution of which is acidic, and an organic polymeric flocculant, an aqueous solution of which is alkaline. According to the treatment method for the alcohol-containing wastewater, impurity contamination caused by pH value adjustment in an alcohol-containing wastewater flocculation treatment process is reduced; the flocculation effect is good; film separation equipment is maintained to operate stably at a high utilization rate, and the flocculant can be recycled.

The invention relates to the technical field of sewage purification, and particularly relates to an urban sewage purification material which is prepared from the following raw materials in parts by weight: 15-30 parts of natural zeolite, 10-15 parts of a hydrochloric acid solution, 18-20 parts of a potassium aluminum sulfate solution, 20-25 parts of a sodium hydroxide solution, 16-18 parts of a ferric chloride solution, 20-30 parts of an acrylamide monomer, 26-28 parts of attapulgite powder, 12-16 parts of ferrous sulfate, 14-18 parts of sodium hydrogen sulfite and an appropriate amount of deionized water. In a modified zeolite filter material, the ion exchange adsorption capacity is increased, the service life is prolonged, the water purification effect is significantly improved, moreover, fluorine, arsenic, ammonia nitrogen, heavy metals and other pollutants in the water can be simultaneously removed; in addition, since a modified cationic flocculant is rich in high-density positivecharge, a stable treatment effect can be maintained when the water temperature is low; and moreover, the modified cationic flocculant is rich in micro-fiber pore adsorption material, which can adsorband remove multiple types of dirt in a water body.

According to the invention, polychlorinated sodium aluminosilicate phosphate is a novel inorganic polymeric flocculant; the invention belongs to the technical field of drinking water and sewage treatment; based on the problems of low flocculation speed, small flocculation particles, poor low-temperature flocculation effect, no flocculation effect on special water systems, high cost for synthesizing high-quality products by using chemical intermediate raw materials and like of the existing inorganic macromolecule flocculant poly aluminium chloride (PAC) for drinking water treatment and problemsof incapability of being commercialized and the like of poly-aluminum silicate chloride due to poor stability, a novel inorganic macromolecule polymer flocculant with a three-dimensional network structure containing a -O-P-O-Al-O-Si-O- bond is obtained by using aluminum chloride, sodium phosphate, sodium silicate and part of a regulator as raw materials through chemical synthesis at a normal temperature under a normal pressure; and the flocculant disclosed by the invention is environment-friendly in preparation process, conventional and easily available in raw materials, low in equipment investment, easy to control in operation, stable in structure and property, and superior to PAC or PASC in performance and effect, and can be used for various drinking water treatment and sewage treatment.

The invention provides a mechanical flocculation basin. The flocculation basin can reduce generation of a stagnant water zone by making a vortex so as to improve the flocculation effect. The flocculation basin comprises a tank body, a water inlet and a water outlet, the tank body comprises a first-stage tank, a second-stage tank, a third-stage tank, a fourth-stage tank and an outlet tank which are sequentially connected, a vertical double-layer stirrer is vertically arranged in the first-stage tank, the vertical double-layer stirrer comprises a first stirring blade and a second stirring blade, the first stirring blade comprises a cross-shaped rod and a stirring rod mounted on the cross-shaped rod, and the second stirring blade comprises a hinge stirring blade and a stirring disc; the interior of the second-stage tank is divided into more than one stirring chamber by an upper folded plate and a lower folded plate which are alternately used, a gap is formed between the upper folded plate and the bottom of the tank body, a gap is formed between the lower folded plate and the top of the tank body, and a horizontal stirrer which is horizontally arranged is mounted in each stirring chamber; a micro-vortex flocculator is arranged in the third-stage tank; a grid flocculator is arranged in the fourth-stage tank; and a honeycomb straight pipe filler is arranged in the outlet tank.

The invention relates to a device and a method for integrally processing garbage percolate, wherein the device comprises a denitrification mechanism, a polymerizing reaction tank, a sloping plate / pipe sedimentation tank, a biochar filter bed, an SMBR reactor and a medicine dissolving and dispensing mechanism, wherein the medicine dissolving and dispensing mechanism comprises three parallel medicine dissolving tanks including an alkali liquor tank, a flocculation liquid medicine tank and a flocculation aid liquid medicine tank; the three medicine dissolving tanks are respectively communicated with an alkali liquor medicine adding hole on a liquid inlet pipe of a stripping tower and a flocculation medicine adding hole and a flocculation aid medicine adding hole of pipelines communicated with a denitrification settling water tank and the polymerizing reaction tank. The treatment method comprises ammonia nitrogen stripping, coagulating sedimentation, biochar filter bed treatment, SMBR reactor treatment, nanofiltration and / or reverse osmosis treatment. The device and the method consist of a high-efficiency ammonia nitrogen stripping tower, whirl grid coagulation, sloping plate (pipe) setting, the biochar filter bed and the SMBR reactor, integrates the advantages of a garbage percolate treatment process and solves the problem of difficult treatment and high expense of the garbage percolate. The high-efficiency ammonia nitrogen stripping tower has high utilization rate on gases, a new gas distribution structure improves the energy efficiency, and the invention has the advantages of reducing the occupied area and reducing the operation expense.