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2134 results about "Salt content" patented technology

The sodium content of food has important implications for health. Salt contains about 40 per cent sodium, and a teaspoon of salt, which weighs about 5 grams, contains about 2 grams of sodium.

Additive for enhancing the performance of electrochemical cells

A lithium battery includes an electrolyte comprised of a non-aqueous solvent, and a salt mixture. The salt mixture includes an alkali metal electrolyte salt and an additive salt having an anion of a mixed anhydride of oxalic acid and boric acid. Specific additive salts include lithium bis(oxalato) borate and lithium oxalyldifluoroborate. Particular electrolyte salts comprise LiPF6 and LiBF4. The additive salt is present in an amount of 0.1–60 mole percent of the total of the additive salt and electrolyte salt content of the electrolyte. Also disclosed is a method for enhancing the performance characteristics of a lithium battery through the use of the electrolyte composition. Also disclosed is the compound lithium oxalyldifluoroborate.
Owner:ARMY US SEC THE

Apparatus and method for microwave determination of least one physical parameter of a substance

A method and an apparatus is described to measure at least one physical parameter of a substance such as moisture and salt content. This is done by transmitting a microwave beam through the material to be measured and detect only a reflection of a predetermined polarity of the transmitted waves. To accomplish this a polarizing plate is used so that only cross-polarised microwaves, which pass through the substance are detected and the co-polar reflections from surrounding structures are excluded. The object can either be moving as on a conveyer belt or in a rest position.
Owner:INTELSCAN ORBYLGJUTAEKNI EHF

Recycling water saving device of washing machine

The invention relates to a recycling water saving device of a washing machine, which belongs to the technical field of environmentally-friendly water treatment, comprises a shell, and is characterized in that a recycling water bucket, a water treatment device, a circuit integrated control operation actuator and a control circuit are respectively arranged in the shell, wherein the water treatment device is connected onto the recycling water bucket in parallel, a tap water inlet and a water outlet I of the water saving device are respectively arranged on the upper side of the shell, a water inlet and a water outlet II of the water saving device are respectively arranged on the lower side thereof, and the water treatment device consists of a double pole film and double liquid flow type hydroxyl free-radical generator, an aeration device and a filter unit. The invention comprehensively utilizes the initial discharged washing fluid, keeps the mixed liquid of a first rinsing and a second rinsing to repeatedly wash the clothing, not only the existence and accumulation of the salt content can be neglected, but also the purpose of saving the water resource is achieved. The water saving device is designed into an independent component so as to be compatible to various types of washing machines and detergents. In addition, a program control valve is designed and manufactured to realize the automation of the water saving device.
Owner:薛廷芳

Functional health-care edible seepweed plant salt and the method for preparing the same

The invention provides a method for extracting nutrient suaeda glauce plant salt from alkaline land suaeda glauce, and relative preparation, which comprises that first collecting stem, blades, and germs, extracting and concentrating into suaeda glauce juice, vacuuming drying to obtain product, while the yield of plant salt is 1.87% as that 1kg fresh suaeda glauce can produce 18.7g plant salt, while the plant salt content of suaeda glauce juice is 4.89%. The plant salt contains 22.67% natrii chloridum, 24.33% potassium chloride, 19.18% addex-magnesium, and some microelements, while the content of vitamins and amino acids is 30% of total weight. The invention can avoid any chemical materials, to obtain natural nutrient salt, with low cost, wide material resources, high nutrient content and adsorption or the like.
Owner:孙贻超

Stable liquid cleansing compositions comprising fatty acyl isethionate surfactant products with high fatty acid content

The invention provides liquid cleanser compositions which can use fatty acyl isethionates surfactant products, regardless of free fatty acid and / or fatty acid salt content of isethionate mixture or chain length distribution of isethionates mixture. The key is to insure a specific combination of liquid crystal inducer (of surfactant phase) and of modifier so that the isethionates will be stable at low and high temperatures.
Owner:CONOPCO INC D B A UNILEVER

Resource-based and harmless treatment method for kitchen waste

Relating to the technical field of resource recovery and recycling, the invention discloses a resource-based and harmless treatment method for kitchen waste. The method is directed at the problems of high salt content in fertilizer products, easy cause of soil salinization, and large equipment investment for anaerobic fermentation of total waste in existing kitchen waste treatment methods. The method comprises the steps of: (a) kitchen waste sorting; (b) water bath desalting: adding water, and conducting heating and stirring to dilute salt; (c) solid-liquid separation: dehydrating the waste; (d) solid material aerobic fermentation: crushing the dehydrated solid material into small particles, and conducting aerobic fermentation and drying treatment to obtain an organic fertilizer; and (e) waste liquid anaerobic fermentation: conducting oil-water separation on the waste liquid, recovering grease, subjecting sewage to anaerobic fermentation, making the produced biogas residue and biogas slurry into a liquid fertilizer, and taking the produced biogas as the fuel of a biogas boiler. The method provided by the invention is particularly suitable for resource-based and harmless treatment of kitchen waste.
Owner:习建华 +1

Forward osmosis pressurized device and process for generating potable water

There is disclosed a process and device for Forward Osmosis (FO) Pressurized Device (FOPD) in general and one hydraulically coupled to a reverse osmosis (RO device for a FOPRO (Forward Osmosis Pressurized Reverse Osmosis). Specifically, there is disclosed a passive device (that is, not needed energy input) for using forward osmosis to generate significant hydraulic pressure that can be used to drive a reverse osmosis process, wherein the reverse osmosis process (not needed external energy to run pumps) can separate salt from salt water to generate potable water from water with high salt content (such as sea water, urine, sweat, brackish water and the like).
Owner:HYDRATION SYST

Shallow water level double salt-affected soil raw soil planting and greening method

The invention relates to a technology for afforestation and planting in areas with shallow water level and heavily-salted soil and solves the problems of high cost for foreign soil replacement and short duration. The technical proposal is that: the process realizes the original soil planting by building an integral isolation zone in the greening area and controlling a microcirculation system inside the isolation zone and desalting with fresh water. The process comprises the following steps: A. building an isolation zone; B. desalting with fresh water until the salt content in soil is below 0.2%; and C. planting seedlings for afforestation. The technology solves the technical problems of high cost for foreign soil replacement and short duration of afforestation and greening in coastal areas with shallow water level and heavily-salted soil; and has the advantages of overcome serious erosion of underground salt water to soil mass, good desalting effect, reduced afforestation cost, improved soil structure, low requirements for raw materials for afforestation, applicability for various seedlings, easy maintenance and management and low cost.
Owner:CANGZHOU ACAD OF AGRI & FORESTRY SCI

Method for comprehensively treating high salt content organic industrial wastewater

The present invention provides a method for comprehensively treating high salt content organic industrial wastewater, and relates to the field of the organic material preparing technique. The method of the invention mainly comprises the following steps: executing acid-alkali adjustment to the organic wastewater until pH=7-9, preheating to 30-60 DEG C; introducing the wastewater into a triple effect evaporator for executing triple effect evaporation, executing salting out to the evaporated wastewater which is condensed to a certain degree so that the solid and liquid are separated; separating the concentrated liquid for continuing the condensation; when the separated liquid satisfies a certain requirement, atomizing into an incinerator for incinerating and discharging according to the standard, and introducing the triple effect evaporation condensation water into a biochemical treating system. The method of the invention can totally dispose and remove the organic matter in the high salt content organic industrial wastewater so that the high salt content organic industrial wastewater can be charged according to the standard. The method of the invention has the advantages of unique method, simple technical process, easy operation, low operation cost, large treating capacity, low regeneration energy consumption, no easy forming of secondary pollution after abandon, better economic and social benefit, and wide application range. The method of the invention can be widely applied for the treating of the high salt content organic wastewaters of garbage penetrating fluid, dye intermediate wastewater, etc.
Owner:HEBEI JIANXIN CHEM IND CO LTD

Method for preparing galvanic deposit calcium phosphorus mineralized layer superfine fibre bone material

The invention relates to a method for preparing superfine fiber bone materials of an electrodeposition calcium phosphate mineralized layer, which comprises the following steps: firstly, high-polymer superfine fibers are prepared on the surface of a metal electrode by adoption of electrostatic spinning and taken as an electrochemical deposition template; a layer of bone salt ingredients which are rich in calcium and phosphor is deposited on the surface of the fibers by the constant-voltage or constant-current deposition technology; mineralized superfine fibers are soaked into 0.1 to 1.0 mol per liter of NaOH solution for 1 to 24 hours; mineralized electro spinning fibers are subjected to die stamping into blocks under the pressure of between 10 and 40 MPa; and the porous bone materials with a porosity between 50 and 90 percent and a pore diameter between 50 and 500 micrometers are processed by the salt particle leaching / gas foaming technology, and are used for bone defect restoration after freeze-drying sterilization. The porous bone materials prepared by the method have better biocompatibility; and the electrochemical deposition technology can prepare organic-inorganic composite materials with higher bone salt content within a shorter period; and the preparation time is short and the preparation conditions are mild.
Owner:DONGHUA UNIV

Quick preparation method for pickled vegetable containing biodiasmin

The invention provides a quick preparation method for a pickled vegetable containing biodiasmin. The quick preparation method comprises the following steps of: preparing biodiasmin liquor, preparing pickled vegetable fermentation liquor, preparing a seasoning fermentation liquor, pre-treating and preparing a finished pickled vegetable containing biodiasmin. According to the quick preparation method disclosed by the invention, the pickled vegetable fermentation liquor is independently prepared according to the conventional pickled vegetable production way, and the pickled vegetable fermentation liquor is treated by seasoning to form seasoning fermentation liquor; osmotic dehydration and the brittleness-keeping treatment are carried out on the fresh vegetable to obtain a semi-finished product; and the semi-finished product is pickled by the seasoning fermentation liquor, and the seasoning fermentation liquor is quickened up to permeate into the vegetable through the vacuum treatment to obtain the delicious finished pickled vegetable. The pickled vegetable is prepared by the preparation method disclosed by the invention is low in salt content, short in production time, high in calcium content and biodiasmin content and beneficial to the body health of a user; and moreover, the automation degree of the pickled vegetable processing is improved.
Owner:HEFEI UNIV

Comprehensive improving method for coastal saline soil

The invention relates to a comprehensive improving method for coastal saline soil. The method includes the steps as follows: 1) underground desalting; 2) improvement of soil physical structure; 3) salt leaching by a great quantity of water; 4) application of microorganism bacterial manure for soil improvement; and 5) plant arrangement and transplantation. The engineering patent technology of desalting using covered conduits, the technical measures for improving the soil physical structure and the improvement of microbial manure are firstly integrated by the comprehensive improving method so as to conduct sequential and comprehensive work. The comprehensive improving method is remarkable in the effect of soil improvement and has the advantages of effectively reducing the salt content in high saline-alkali soil in short time (within one growing season), preventing secondary alkalization, increasing soil fertility and establishing microorganism communities; beneficial microorganisms relieve the threat and the harm of salt and alkali to plants in the original saline soil, accelerate soil ripening and promote the greening progress of the original soil; and the survival rate of plants in the same year is up to above 95% and the water resource is saved.
Owner:TIANJIN TEDA GREEN GRP CO LTD

Process for treating antibiotic waste water and usage thereof

The invention provides a processing technique of waste water containing antibiotic and the purpose thereof, wherein, the technique adopts the following steps: pretreatment, two-phase anaerobic, improving SBR, immobilized microorganism-aeration biological filter, and improving the coagulating sedimentation combination technique. The detailed technique is introduced in the specification. The invention has the advantages that the industrial waste water is pretreated and the two-phase anaerobic technique is adopted, the great mass of sulfate radical is eliminated, the treatment effect for producing firedamp anaerobic phase and the stability of operation are improved, the energy is recycled and the operating cost is lowered; through the immobilized microorganism-aeration biological filter, the biological treatment effect is improved, and the operating cost for back end processing is lowered; the deep processing can ensure that the waste water is discharged by reaching the standard, and can meet the requirement to the upgrade and reorganization of sewage treatment plants when the environment protection standard is improved in the future. The invention has the purpose that the processing technique not only is applicable to the treatment for the waster water containing antibiotic and the upgrade and reorganization of the prior engineering of sewage disposal, but also is applicable to the engineering of sewage disposal and other sewage disposals with high salt content, high sulfate radical content, high ammonia and nitrogen content, high COD content and higher concentration organic matter which is hard to be degraded.
Owner:北京盖雅环境科技有限公司

Waste water treatment method and device based on forward osmosis and membrane distillation

The invention belongs to the field of sewage treatment, and particularly relates to a waste water treatment method and device based on forward osmosis and membrane distillation. The waste water treatment method based on the forward osmosis and membrane distillation comprises a waste water concentration process and a drive liquid circulation process, wherein the waste water concentration process adopts a forward osmosis technology to concentrate waste water with high salt content and high chemical oxide demand (COD) concentration through drive liquid so as to obtain the concentrated waste water and diluted drive liquid; the drive liquid circulation process adopts a membrane distillation technology to dehydrate the diluted drive liquid so as to obtain the purified water and renewable drive liquid; and the renewable drive liquid is repeatedly used for the waste water concentration process so as to continuously concentrate the waste water. Due to the adoption of the method and device for treating the waste water with high salt content and high COD concentration, the waste water of different sources and fields can be treated, and the advantages such as wide applicability for waste water, stability in running and low treatment cost can be realized.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI

Concentrated phosphorus fertilizer

A concentrated fluid phosphorus fertilizer is shown. In the preferred embodiment, the concentrated fluid phosphorus fertilizer is an aqueous suspension fertilizer composition. The composition comprises one or more phosphorus-containing acids or salts thereof selected from the group consisting of phosphoric acid, polyphosphoric acid, phosphorous acid, polyphosphorous acid, hypophosphorous acid and polyhypophosphorous acid, and salts thereof. A suspension agent maintains undissolved solids in substantially homogeneous suspension wherein the suspension has a total acid and salt content of about 50% w / w to about 80% w / w. The concentrated fluid phosphorus fertilizer is a stable suspension and when diluted with water a substantially fully soluble fertilizer having acceptable pH for phosphorus uptake is formed. Methods for improving the phosphorus uptake and improving the growth rate of plants is also shown.
Owner:INTERFARM

Method for conducting afforestation on saline-alkali soil

ActiveCN103392456ANew comprehensive measures for effective soil reduction and soil improvementLow cost of improvementClimate change adaptationAfforestationRevegetationPlant roots
The invention discloses a method for conducting afforestation on saline-alkali soil. The method includes the steps of firstly, digging deep planting pits in the saline-alkali soil; secondly, paving two layers of isolating curtains at the bottom of each planting pit and the inner wall of each planting pit respectively; thirdly, arranging filtering layers between each isolation layer and the bottom of each planting pit and between each isolating layer and the inner wall of each planting pit; fourthly, preparing mixed matrix, filling the matrix into the pits and tamping down the matrix; fifthly, planting seedlings; sixthly, conducting maintenance management. According to the method for conducting afforestation on the saline-alkali soil, the difficult problems of lowering the salt content, improving the soil and conducting afforestation on the saline-alkali soil are solved. Through the measures of discharging salt and blocking salt, the salt content in the distribution range of the plant root systems is lowered, the plant root systems are promoted to absorb nutrient and water and discharge salt in a unidirectional mode, and a soil environment which is beneficial to plant growth is created. According to the method for conducting afforestation on the saline-alkali soil, the survival rate and the preserving rate of the seedlings are improved, and the method is low in cost compared with a traditional method for improving the saline-alkali soil by merely paving the salt isolating layers, replacing soil and conducting afforestation, is suitable for the saline-alkali soil afforestation and the plant cover recovery project, and can also be used in the manual construction and the machine and human coordinated construction.
Owner:BEIJING QIANJING LANDSCAPE CO LTD

Intensified deep concentration system for high-salt-content industrial wastewater and technology thereof

The invention discloses an intensified deep concentration system for high-salt-content industrial wastewater and a technology thereof and belongs to the field of water treatment. The high-salt-content industrial wastewater is adjusted through an adjusting tank, settled through a softening settling pond, filtered through a V-type filter tank, filtered through an ultrafiltration device in an intensified mode and concentrated through a first-stage reverse osmosis device, then the hardness is removed through an ion exchange resin device, and salt separation is performed through a nanofiltration device; thick water of the nanofiltration device is concentrated through a frequent electrode transfer electrodialysis device, produced water is oxidized through an advanced oxidization device and then enters a general produced water tank, and thick water is crystallized through a freezing crystallization system and crystallized with sodium sulfate; produced water of the nanofiltration device is concentrated through a second-stage reverse osmosis device and concentrated again through the frequent electrode transfer electrodialysis device, produced water is oxidized through the advanced oxidization device and enters the general produced water tank, and thick water is crystallized through an MVR evaporative crystallization device and crystallized with sodium chloride. The intensified deep concentration system has the advantages that potential safety hazards caused by high-pressure operation are effectively reduced; the problem that the COD content is high after thick salt water is highly concentrated is effectively solved, the purity of crystallized salt is improved, and the using value of the crystallized salt is improved; the system is high in automation degree, easy to operate, low in operation pressure, stable in operation, high in purity of the crystallized salt, low in operation cost and the like.
Owner:INNER MONGOLIA JIUKE KANGRUI ENVIRONMENTAL TECH

Process method for rapidly fermenting chopped hot peppers

The invention mainly relates to a process method for rapidly fermenting chopped hot peppers, and mainly relates to the field of food processing application. The process method comprises the following steps: washing, soaking and disinfecting the fresh hoppers; draining and removing the water content on the surface of the fresh hoppers; directly chopping by a chopper mixer; adding 2% of salt, 0.5% of calcium chloride, 0.05% of citric acid; inoculating 0.05% of lactobacillus plantarum, and 0.05% of lactobacillus fermentium cultured in high density, wherein, the number of the lactic acid bacteria is 1010cfu / g and the amount of the ester-producing yeast is over 107cfu / m; fermenting for 48h in a sealing mode at the temperature of 37 DEG C; filtering, wherein, the filter pulp can be used as the strain water of the next batch; adjusting the salt concentration of the filtered and fermented hot peppers according to the different tastes to 8%; adding spices, such as white wine, Liuyang brown bean and garlic and the like; encapsulating after evenly stirring; and pasteurizing to obtain the finished product.
Owner:HUNAN AGRICULTURAL UNIV

Technology for reducing waste incineration fly ash via water logging pretreatment

The invention relates to a technology for reducing waste incineration fly ash via water logging pretreatment, and the technology is particularly suitable for the treatment of waste incineration fly ash with salt content higher than 20%. A water logging dechlorination manner is used for treating waste incineration fly ash; by prolonging the logging time, the water consumption is greatly reduced, a subsequent wastewater treatment process is simplified at the same time and a soluble salt resource is recycled; before fly ash enters into a furnace, most of heavy metals and chlorine salts are removed, a matrix of fly ash is purified, and by virtue of existing incineration equipment of waste incineration power plants, pollutants such as dioxin are thoroughly degraded, so that the overall normal running of a waste incineration line is ensured and the harmless and reduction treatment of waste incineration fly ash is realized. The technology has a characteristic of correct in-situ treatment, and is simple in process and low in investment and operation costs; by gathering most of heavy metals and salts in heavy metal plaster and gathering little of the two in secondary fly ash, the reduction of waste incineration fly ash is realized, and then a favorable foundation is laid for the subsequent further treatment or resource utilization.
Owner:TIANJIN YIMING ENVIRONMENTAL TECH CO LTD

Former hot blast and latter vacuum microwave combining drying process of producing crisp fruit and vegetable grains

The present invention is former hot blast and latter vacuum microwave combining drying process of producing fruit and vegetable grains, and belongs to the field of fruit and vegetable food processing technology. The drying process includes the steps of: washing fruit and vegetable material, dicing, scalding to killing enzyme, cooling in flow water, draining, optional fast freezing and defrosting, soaking with seasoning, draining, pre-dewatering with hot blast to obtain semi-finished product with water content of 40-60 %, and final vacuum microwave drying to obtain product with water content of 2-5 %. The said process has the nutritious components and color well maintained, crisp product, short production period, low cost, high product quality and other features.
Owner:JIANGNAN UNIV

Method for improving saline-alkali soil

InactiveCN101164710AAccelerated salt leachingMaintain eutrophicationContaminated soil reclamationOrganic fertilisersAlkali soilSalt content
The present invention relates to a method for improving saline-alkali soil. Said invention utilizes straws and stalks of crops and plant branch and leaf as base material, and adopts the following steps: soaking the base material in fungous solution, binding it into the column form, making the column-form base material be embedded into the soil vertically according to the network form, utilizing the dialysis produced by said network-shaped base material and soil to prevent the salt content in the underground water from dire4ctly rising to soil surface and concentrating to make soil be salinized. Besides, covering the soil surface with pulverized straws and stalks of crops and plant branch and leaf, making irrigation by using the invented irrigation liquor, ploughing to make soil be loosened so as to attain the goal for improving saline-alkali soil.
Owner:张强 +1

Acidifying agent composition

InactiveCN101089118ASlow responseSlow dissolving abilityDrilling compositionPhosphoric acidSalt content
The acidifying agent composition consists of the component A of at least one selected from HCl, phosphoric acid, HNO3 and organic carboxylic acid; the component B is HF or compound capable of producing HF; the component C of organic amine phosphonic acid; the component D of organic nitrogen-containing compound capable of producing ammonium salt through reaction with acid or its ammonium salt; and water. The acidifying agent composition of the present invention is used in eliminating deep blockage of sandstone reservoir and eliminating blockage in oil well, water well and deep stratum, and has obvious blockage eliminating effect and antiscaling performance on reservoir with high salt content and high scaling tendency. It has long effective acidifying period.
Owner:YANGTZE UNIVERSITY

Technique method for processing desulphurization waste water

The invention discloses a technology method for treating desulfurization wastewater, which are applicable to treating the wastewater generated from limestone-plaster wet flue gas desulfurization and other wastewater with high salt content. The method uses the flue gas of heat-engine plants to carry out evaporation and solidification treatment to the desulfurization wastewater or other wastewater with high slat content which is hard to be recovered. The method is characterized by low cost, little area occupation and low energy consumption, which can provide help to the original limestone-plaster wet flue gas desulfurization treatment technology and realize zero discharge of the wastewater of the limestone-plaster wet flue gas desulfurization technology.
Owner:CHENGDU RAISE ENVIRONMENTAL PROTECTION TECH CO LTD

Method for preparing meat essence by fermentation

The invention discloses a method for preparing meaty essence by fermentation, including the following steps: fresh meat is ground and then assistant material is added; after being settled, temperature preserving and boiling sterilization, inoculation mycotic spores are transferred in a fermentation device for fermentation; rich enzyme produced during the mycotic growth and metabolism is used for digesting the material by enzyme to produce special fermentation odor; then, strong brine is added to the obtained solid leavening to adjust the salt content and water content; haloduric yeast is transferred for a second fermentation to further decompose the material and to improve the odor characteristic; prolease is added for further digestion by the enzyme based on the second fermentation to prepare the zymolysis solution of the leavened meaty essence; then reducing sugar, amino acid and aneurine are added to conduct the maillard reaction to prepare leavened meaty essence.
Owner:TIANJIN CHUNFA BIO TECH GRP

Preparation method of freeze-drying ginkgo fruit

The invention relates to a preparation method of freeze-drying ginkgo fruit, which mainly comprises the following steps of: scalding gingkoes with testa removed; removing endotesta; subjecting the gingkoes to treatments of debitterizing, curing, secondary cooking in sugar, and sugaring; freezing and drying the gingkoes in vacuum to reach the water content of less than 3% and the sugar content of 9-15% in the product; and finally adopting deoxidized packaging to obtain a freeze-drying ginkgo fruit product. As the raw materials are subjected to the debitterizing, curing and color protection treatments in the invention, the bad bitter taste of internal buds in the gingkoes is overcome, the appearance, shape and color of gingko nutlet are kept unchanged, and the crispness and hardness of the product are increased. As the secondary cooking in sugar and the sugaring are performed, nutrient components of the product are increased, and the palatability of the product is improved; the water content is lower than 3% at the same time as the biological active components in the gingko nutlet are preserved to the maximum extent due to the freezing and drying of the gingkoes in vacuum; therefore, the preparation method is suitable for preserving the product; moreover, the freeze-drying ginkgo fruit is suitable for people to carry and have in leisure and a trip.
Owner:徐州银杏源生物工程有限公司

Method for treating salt-containing sewage

The invention relates to a method for treating salt-containing sewage. The pH value of the salt-containing sewage is adjusted to between 8 and 12, the salt-containing sewage is biochemically treated by an activated sludge process, the effluent after the activated sludge process treatment is treated by an ozone-catalytic oxidation process adopting a solid catalyst, and the effluent after the ozone-catalytic oxidation process treatment is discharged through a biofilter; and in the ozone-catalytic oxidation process adopting the solid catalyst, the solid catalyst is granular activated carbon loaded with an active component which is one or more of tin, copper, manganese, titanium, cobalt, vanadium and nickel. The method can effectively purify the sewage which has high salt content and is refractory to biodegrade, and the effluent after treatment has the COD of less than or equal to 50 mg / L and the NH3-N of less than or equal to 8 mg / L, so that the strict sewage discharge standard of developed regions is met. The method has the advantages of simple treatment process, no need of sewage dilution, clean and clear effluent after treatment and realization of direct standard discharge.
Owner:CHINA PETROLEUM & CHEM CORP +1

Treatment method for zero discharge of ionic liquid water solution

The invention discloses a processing method of zero drainage of ion liquid aqueous solution, which comprises the following steps in sequence: 1) a membrane concentrating set is used for concentrating the ion liquid aqueous solution to 5-15 percent; a membrane element is the combination of a reverse osmosis membrane or a nanofiltration membrane and a reverse osmosis membrane element; 2) one or any combination of flash evaporation, falling film evaporation or climbing film evaporation is used for concentrating the solution to 60-90 percent; 3) a movable scraper type wiped film evaporator is used for concentrating the solution to more than 95 percent. The method combines the advantages of membrane concentration, reduction vaporization and wiped film evaporation technology, thus completely recycling ion liquid and water of 0.005-10 percent of ion liquid aqueous solution; the pureness of the ion liquid obtained is more than 95 percent and the salt content of the water is lower than 0.001 percent. The method is characterized by saving energy and water, reliable technique, high product quality, easy realization and wide adaption scope, thus having important practical value in the green chemical field that uses the ion liquid as a solvent.
Owner:INST OF CHEM CHINESE ACAD OF SCI +1

Method for carrying out anaerobic digestion on kitchen waste after heat-moisture treatment

The invention relates to a method for carrying out anaerobic digestion on kitchen waste after heat-moisture treatment, belonging to the technical fields of harmless resource treatment and disposal of solid waste. The method comprises the following steps of: pre-treatment, high-temperature heat-moisture treatment, de-oiling, anaerobic digestion, biogas residue dehydration treatment of the kitchen waste, and the like. The method disclosed by the invention has the following advantages that: (1) the kitchen waste ia sterilized before the anaerobic digestion; (2) the kitchen waste can be effectively de-oiled and the occurrence of oil acidification is prevented so that the follow-up anaerobic digestion process is more stable and the oil recovery is improved; and (3) salt content in the kitchen can be effectively desalinated so that the salt content in the biogas residue is decreased and the treated kitchen waste can be used as a good soil conditioner.
Owner:BMEI

High-salt-content dyeing wastewater treatment recovery zero discharge integration method

The invention belongs to the technical field of sewage treatment, and particularly discloses a high-salt-content dyeing wastewater treatment recovery zero discharge integration method. The method can perform deep treatment recovery on the high-salt-content dyeing wastewater to obtain production water for textile printing industry, thereby achieving the goal of zero discharge. The integration method is composed of a pretreatment unit, a biochemical treatment unit, a decolorization unit, an advanced treatment unit, a sludge treatment unit and a deodorizing deodorization unit. The integration method is mainly used for treating high-salt-content dyeing wastewater.
Owner:XINJIANG ENVIRONMENTAL ENG TECH
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