CN114212840A - Deamination active bacterium glutamic acid water treatment agent for high-salt water purification and preparation method and application thereof - Google Patents
Deamination active bacterium glutamic acid water treatment agent for high-salt water purification and preparation method and application thereof Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 37
- 241000894006 Bacteria Species 0.000 title claims abstract description 32
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 235000013922 glutamic acid Nutrition 0.000 title claims abstract description 32
- 239000004220 glutamic acid Substances 0.000 title claims abstract description 32
- 230000009615 deamination Effects 0.000 title claims abstract description 23
- 238000006481 deamination reaction Methods 0.000 title claims abstract description 23
- 238000000746 purification Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000440 bentonite Substances 0.000 claims abstract description 23
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 23
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 23
- PXEDJBXQKAGXNJ-QTNFYWBSSA-L disodium L-glutamate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](N)CCC([O-])=O PXEDJBXQKAGXNJ-QTNFYWBSSA-L 0.000 claims abstract description 19
- 235000013923 monosodium glutamate Nutrition 0.000 claims abstract description 19
- 229940073490 sodium glutamate Drugs 0.000 claims abstract description 19
- 239000008367 deionised water Substances 0.000 claims abstract description 18
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 18
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims abstract description 18
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims abstract description 13
- 235000019796 monopotassium phosphate Nutrition 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 10
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 13
- 150000003839 salts Chemical class 0.000 claims description 9
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 8
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims description 7
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 239000012670 alkaline solution Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 150000007529 inorganic bases Chemical class 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000001488 sodium phosphate Substances 0.000 claims description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 238000011033 desalting Methods 0.000 abstract description 5
- 229920002401 polyacrylamide Polymers 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract description 3
- 238000001223 reverse osmosis Methods 0.000 abstract description 3
- 238000000108 ultra-filtration Methods 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 7
- 239000000701 coagulant Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001425 magnesium ion Inorganic materials 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000208060 Lawsonia inermis Species 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- IQDGSYLLQPDQDV-UHFFFAOYSA-N dimethylazanium;chloride Chemical compound Cl.CNC IQDGSYLLQPDQDV-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
The invention discloses a deamination active bacterium glutamic acid water treatment agent for purifying high-salt water, and a preparation method and application thereof, wherein the water treatment agent is prepared from the following raw materials in percentage by weight: 15.5-20.8% of poly dimethyl diallyl ammonium chloride, 0.2-0.8% of sodium glutamate, 3-5% of alkaline substances, 1.5-3.5% of bentonite, 0.03-0.05% of potassium dihydrogen phosphate and 70-80% of deionized water. The deamination active bacterium glutamic acid water treatment agent provided by the invention has good purification effect and small using amount, is an energy-saving and low-carbon novel water purification material, and effectively solves the problems that high-salt water is difficult to purify by using polyaluminium and polyacrylamide and blocks a subsequent desalting equipment ultrafiltration reverse osmosis membrane to frequently pollute and block.
Description
Technical Field
The invention relates to a high-salinity wastewater purification material, in particular to a deamination active bacterium glutamic acid water treatment agent for high-salinity wastewater purification and a preparation method and application thereof.
Background
A large amount of industrial wastewater is often produced in thermal power plants, waste incineration power plants, chemical plants and the like, wherein the content of industrial waste salt often exceeds the discharge standard, and aiming at desalting and purifying treatment of high-salt water, the secondary hazard of environmental pollution is reduced, the environmental pollution and the greenhouse effect are reduced, so that the method is an important work of energy conservation and emission reduction advocated at present. Water purification materials are currently in a high development stage, and the following are mainly available: coagulant polyaluminium chloride, coagulant polyferric sulfate, coagulant polyferric chloride, coagulant polyaluminium ferric silicate and high polymer polyacrylamide, and besides the water purifying materials, the water purifying materials such as polyaluminium composite silicon dioxide, poly dimethyl ammonium chloride composite calcium chloride, ferrous sulfate and the like also have certain production and application. However, the existing water purification material is difficult to completely purify high-salt water, and is easy to block subsequent desalting equipment, so that frequent fouling and blocking of an ultrafiltration reverse osmosis membrane are caused, and thus the water purification effect of the water purification material needs to be continuously improved.
With the development of nano materials and the requirement of ecological environment purification treatment, the research on ecological harmless water purification materials brings revolutionary changes, the application of nano high and new technology in other product materials also brings infinite imagination space for the new technology of the water purification materials, the water treatment of high-salt water high colloid can bring breakthrough to the novel water purification materials technically, and new climax can be brought up in the field of environmental treatment. Therefore, how to purify high-salt water by using novel materials is a hot spot of urgent research.
Disclosure of Invention
The invention aims to solve the problems and provide a deamination active bacteria glutamic acid water treatment agent for purifying high-salt water, a preparation method and application thereof.
The purpose of the invention is realized by the following technical scheme:
a deamination active bacteria glutamic acid water treatment agent for purifying high-salt water is prepared from the following raw materials in percentage by weight: 15.5-20.8% of poly dimethyl diallyl ammonium chloride, 0.2-0.8% of sodium glutamate, 3-5% of inorganic base, 1.5-3.5% of bentonite, 0.03-0.05% of potassium dihydrogen phosphate and 70-80% of deionized water.
As a further technical scheme of the invention, the fertilizer is prepared from the following raw materials in percentage by weight: 18.8 percent of poly dimethyl diallyl ammonium chloride, 0.5 percent of sodium glutamate, 5 percent of inorganic base, 3.5 percent of bentonite, 0.05 percent of monopotassium phosphate and 72.15 percent of deionized water.
As a further technical scheme of the invention, the sodium glutamate is poly sodium glutamate with molecular weight more than 50 ten thousand, and is prepared by biological purification.
As a further technical scheme of the invention, the poly-dimethyl-diallyl-ammonium chloride is non-linear poly-dimethyl-diallyl-ammonium chloride.
As a further technical solution of the present invention, the inorganic base is selected from one or more of sodium hydroxide, potassium hydroxide, sodium bicarbonate, sodium sulfide, and sodium phosphate, and sodium bicarbonate is particularly preferred.
The invention also provides a preparation method of the deamination active bacteria glutamic acid water treatment agent for purifying high-salt water, which comprises the following steps:
(1) respectively dissolving bentonite and an alkaline substance in partial deionized water to obtain a bentonite aqueous solution and an inorganic alkaline aqueous solution for later use;
(2) adding poly dimethyl diallyl ammonium chloride and the balance of deionized water into a reaction kettle, uniformly stirring, then adding an inorganic alkaline water solution, and uniformly stirring to obtain an alkaline solution with the pH value of more than 8.5;
(3) adding sodium glutamate into the alkaline solution obtained in the step (2), heating for reaction, and evaporating and replacing amino groups by using a reaction kettle;
(4) and (3) after the reaction is finished, adding the bentonite aqueous solution prepared in the step (1) into a reaction kettle, uniformly stirring, adding potassium dihydrogen phosphate, stirring, precipitating and filtering to obtain liquid, namely the deamination active bacterium glutamic acid water treatment agent.
As a further technical scheme of the invention, in the step (1), bentonite is soaked in deionized water at 55-65 ℃ for 1-5 hours, and the weight ratio of the bentonite to the water is 1-3: 5-8.
As a further technical scheme of the invention, in the step (2), at room temperature, poly dimethyl diallyl ammonium chloride and water are dissolved in a reaction kettle, wherein the weight ratio of the water to the poly dimethyl diallyl ammonium chloride is 3-5: 1.
As a further technical scheme of the invention, in the step (3), the heating reaction temperature is 35-45 ℃, the reaction time is 1-5 hours, and the replaced amino is absorbed by spraying.
After the reaction is finished, cleaning the reaction kettle, and finishing and packaging the precipitate to be used as waste treatment.
The invention also provides the application of the deamination active bacteria glutamic acid water treatment agent in the high-salinity water of the thermal power plant, and particularly, when the deamination active bacteria glutamic acid water treatment agent is used, the water treatment agent is diluted by 30-50 times, and the deamination active bacteria glutamic acid water treatment agent is added into the high-salinity water of the thermal power plant by a metering pump according to the metering of about 30 g/ton water.
Compared with the prior art, the amino-activated bacteria glutamic acid water treatment agent has good purification effect and extremely small dosage, is an energy-saving and low-carbon novel water purification material, effectively solves the problems that high-salt water is difficult to purify by using polyaluminium and polyacrylamide and blocks the ultrafiltration reverse osmosis membrane of subsequent desalting equipment frequently, and can enable suspended matters, COD (chemical oxygen demand) and heavy metals to reach the industrial recycling standard by adopting the amino-activated bacteria glutamic acid water treatment agent to treat high-salt wastewater.
Detailed Description
The present invention is described in detail below with reference to specific examples, but the present invention is not limited thereto in any way.
Example 1
A deamination active bacteria glutamic acid water treatment agent for purifying high-salt water is prepared from the following raw materials in percentage by weight: 15.5% of poly dimethyl diallyl ammonium chloride, 0.2% of sodium glutamate, 3% of sodium bicarbonate, 1.5% of bentonite, 0.03% of monopotassium phosphate and 79.77% of deionized water.
The preparation method comprises the following steps:
1) soaking bentonite in deionized water at 60 ℃ for 2 hours for later use, wherein the weight ratio of the bentonite to the water is 1:5, and preparing sodium bicarbonate into a saturated solution for later use;
2) adding water and poly-dimethyl diallyl ammonium chloride into a reaction kettle according to the weight ratio of 3:1, stirring at the speed of 60 revolutions per minute for 30-40 minutes to slowly dissolve the poly-dimethyl diallyl ammonium chloride, adding a saturated solution of sodium bicarbonate, and stirring uniformly to obtain an alkaline solution with the pH value of more than 8.5;
3) adding sodium glutamate into the alkaline solution obtained in the step 2), wherein the sodium glutamate is poly sodium glutamate with the molecular weight of more than 50 ten thousand, slowly heating to 35 ℃, reacting for 120 minutes in a reaction kettle, and absorbing amino evaporated and replaced in the reaction kettle by spraying.
4) And 3) after the step 3) is finished, adding the bentonite dissolved in the step 1) into a reaction kettle, stirring for 20 minutes, adding potassium dihydrogen phosphate, stirring for 5 minutes, stopping stirring, precipitating for 8 hours, and filtering through a 1000-mesh filter screen to obtain liquid, namely the deaminated active bacteria glutamic acid water treatment agent.
5) Cleaning the reaction kettle, and finishing and packaging the precipitate to be used as waste treatment.
Example 2
A deamination active bacteria glutamic acid water treatment agent for purifying high-salt water is prepared from the following raw materials in percentage by weight: 16.7% of polydimethyldiallylammonium chloride, 0.7% of sodium glutamate, 4% of sodium bicarbonate, 3% of bentonite, 0.04% of monopotassium phosphate and 75.56% of deionized water, and was prepared in the same manner as in example 1.
Example 3
A deamination active bacteria glutamic acid water treatment agent for purifying high-salt water is prepared from the following raw materials in percentage by weight: 18.8% of polydimethyldiallylammonium chloride, 0.5% of sodium glutamate, 5% of sodium bicarbonate, 3.5% of bentonite, 0.05% of monopotassium phosphate and 72.15% of deionized water, and was prepared in the same manner as in example 1.
Example 4
A deamination active bacteria glutamic acid water treatment agent for purifying high-salt water is prepared from the following raw materials in percentage by weight: 20.8% of polydimethyldiallylammonium chloride, 0.8% of sodium glutamate, 5% of sodium bicarbonate, 2.5% of bentonite, 0.05% of monopotassium phosphate and 70.85% of deionized water, and was prepared in the same manner as in example 1.
Example 5
A deamination active bacteria glutamic acid water treatment agent for purifying high-salt water is prepared from the following raw materials in percentage by weight: 17.3% of polydimethyldiallylammonium chloride, 0.6% of sodium glutamate, 4.5% of sodium bicarbonate, 3.2% of bentonite, 0.05% of monopotassium phosphate and 74.35% of deionized water, and was prepared in the same manner as in example 1.
Comparative example 1
As comparative product 1, a coagulant polyaluminium chloride available from Henan Yuan Feng water purification Material Co.
Comparative example 2
A flocculant, polyacrylamide, purchased from environmental protection technologies ltd, fond of fondanlon, henna, was used as comparative product 2.
The water treatment agents prepared in the embodiments 1 to 5 and the comparative products of the comparative examples 1 to 2 are respectively used for high-salinity water treatment of a thermal power plant, and the effects are tested and specifically: the water treatment agent prepared in examples 1 to 5 and the comparative product prepared in comparative examples 1 to 2 were added to the high-salt water of a thermal power plant, the high-salt water of the thermal power plant was diluted by 40 times, and the water quality of the original high-salt water of the thermal power plant and the main indexes of the water quality to be treated were as shown in table 1, wherein the water quality was measured by a metering pump in an amount of 30 g/ton water.
TABLE 2 Water quality index (unit: mg/L)
As can be seen from the above Table 1, the deamination active bacteria glutamic acid water treatment agent provided by the invention can obviously reduce metal ions (Ca) in high-salinity water2+、Mg2+)、SiO2The content of COD and suspended matters can reach the industrial recycling standard by adopting a small amount of single medicament, and compared with the prior art, the calcium-magnesium ion treatment agent has particularly remarkable effect on the aspect of calcium-magnesium ion treatment, and can effectively reduce the risk of blocking subsequent desalting equipment.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A deamination active bacteria glutamic acid water treatment agent for purifying high-salt water is characterized by being prepared from the following raw materials in percentage by weight: 15.5-20.8% of poly dimethyl diallyl ammonium chloride, 0.2-0.8% of sodium glutamate, 3-5% of inorganic base, 1.5-3.5% of bentonite, 0.03-0.05% of potassium dihydrogen phosphate and 70-80% of deionized water.
2. The deaminating active bacterium glutamic acid water treatment agent for purifying high-salt water of claim 1, which is prepared from the following raw materials in percentage by weight: 18.8 percent of poly dimethyl diallyl ammonium chloride, 0.5 percent of sodium glutamate, 5 percent of inorganic base, 3.5 percent of bentonite, 0.05 percent of monopotassium phosphate and 72.15 percent of deionized water.
3. The deamination active bacteria glutamic acid water treatment agent for high-salt water purification as claimed in claim 1 or 2, wherein the sodium glutamate is poly sodium glutamate with molecular weight more than 50 ten thousand, and is prepared by biological purification.
4. The deamination active bacteria glutamic acid water treatment agent for high salt water purification according to claim 1 or 2, wherein the poly dimethyl diallyl ammonium chloride is non-linear poly dimethyl diallyl ammonium chloride.
5. The deaminating active bacteria glutamic acid water treatment agent for high salt water purification of claim 1 or 2, wherein the inorganic base is selected from one or more of sodium hydroxide, potassium hydroxide, sodium bicarbonate, sodium sulfide, and sodium phosphate.
6. The method for preparing the deaminating activated bacteria glutamic acid water treatment agent for purifying high salt water of claim 1, comprising the following steps:
(1) respectively dissolving bentonite and an alkaline substance in partial deionized water to obtain a bentonite aqueous solution and an inorganic alkaline aqueous solution for later use;
(2) adding poly dimethyl diallyl ammonium chloride and the balance of deionized water into a reaction kettle, uniformly stirring, then adding an inorganic alkaline water solution, and uniformly stirring to obtain an alkaline solution with the pH value of more than 8.5;
(3) adding sodium glutamate into the alkaline solution obtained in the step (2), heating for reaction, and evaporating and replacing amino groups by using a reaction kettle;
(4) and (3) after the reaction is finished, adding the bentonite aqueous solution prepared in the step (1) into a reaction kettle, uniformly stirring, adding potassium dihydrogen phosphate, stirring, precipitating and filtering to obtain liquid, namely the deamination active bacterium glutamic acid water treatment agent.
7. The preparation method of the deaminating activated bacteria glutamic acid water treatment agent for purifying high salt water of claim 6, wherein in the step (1), bentonite is soaked in deionized water at 55-65 ℃ for 1-5 hours, and the weight ratio of the bentonite to the water is 1-3: 5-8.
8. The preparation method of the deamination active bacteria glutamic acid water treatment agent for purifying the high salt water as claimed in claim 6, wherein in the step (2), the poly dimethyl diallyl ammonium chloride and the deionized water are dissolved in the reaction kettle at room temperature, and the weight ratio of the water to the poly dimethyl diallyl ammonium chloride is 3-5: 1.
9. The method for preparing the deaminating activated bacteria glutamic acid water treatment agent for purifying high salt water as claimed in claim 6, wherein in the step (3), the heating reaction temperature is 35-45 ℃, the reaction time is 1-5 hours, and the replaced amino is absorbed by spraying.
10. Use of a deaminating active bacterium glutamic acid water treatment agent as defined in any one of claims 1 to 9 for high salt water purification in high salt water of a thermal power plant.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071587A (en) * | 1990-05-31 | 1991-12-10 | Aquatechnica, Inc. | Composition and method for purifying water |
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| US5071587A (en) * | 1990-05-31 | 1991-12-10 | Aquatechnica, Inc. | Composition and method for purifying water |
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