CN108773911B - Treating agent for garbage penetrating fluid, preparation method and treatment process thereof - Google Patents
Treating agent for garbage penetrating fluid, preparation method and treatment process thereof Download PDFInfo
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- CN108773911B CN108773911B CN201810710997.8A CN201810710997A CN108773911B CN 108773911 B CN108773911 B CN 108773911B CN 201810710997 A CN201810710997 A CN 201810710997A CN 108773911 B CN108773911 B CN 108773911B
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- 239000012530 fluid Substances 0.000 title claims abstract description 39
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 50
- 102000004190 Enzymes Human genes 0.000 claims abstract description 45
- 108090000790 Enzymes Proteins 0.000 claims abstract description 45
- 239000012190 activator Substances 0.000 claims abstract description 31
- 230000003213 activating effect Effects 0.000 claims abstract description 24
- 239000002351 wastewater Substances 0.000 claims abstract description 20
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 9
- 231100000719 pollutant Toxicity 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 37
- 239000000047 product Substances 0.000 claims description 24
- 241000894006 Bacteria Species 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 238000005086 pumping Methods 0.000 claims description 16
- 241000186361 Actinobacteria <class> Species 0.000 claims description 15
- 238000005336 cracking Methods 0.000 claims description 13
- 239000010802 sludge Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- 239000008055 phosphate buffer solution Substances 0.000 claims description 12
- 241000235342 Saccharomycetes Species 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 10
- 239000004310 lactic acid Substances 0.000 claims description 9
- 235000014655 lactic acid Nutrition 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 230000004913 activation Effects 0.000 claims description 8
- 238000005273 aeration Methods 0.000 claims description 8
- 238000005842 biochemical reaction Methods 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 7
- 239000006166 lysate Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 241000589220 Acetobacter Species 0.000 claims description 6
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 6
- 230000000593 degrading effect Effects 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 6
- 238000005189 flocculation Methods 0.000 claims description 6
- 230000016615 flocculation Effects 0.000 claims description 6
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 230000001112 coagulating effect Effects 0.000 claims description 4
- 238000012258 culturing Methods 0.000 claims description 4
- 239000008394 flocculating agent Substances 0.000 claims description 4
- 238000011068 loading method Methods 0.000 claims description 4
- 238000012806 monitoring device Methods 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000002957 persistent organic pollutant Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- 238000010257 thawing Methods 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 150000003863 ammonium salts Chemical class 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 230000000887 hydrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 230000000243 photosynthetic effect Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 239000000149 chemical water pollutant Substances 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 230000036571 hydration Effects 0.000 claims description 2
- 238000006703 hydration reaction Methods 0.000 claims description 2
- 239000012466 permeate Substances 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims 1
- 238000012216 screening Methods 0.000 claims 1
- 231100000167 toxic agent Toxicity 0.000 claims 1
- 239000003440 toxic substance Substances 0.000 claims 1
- 244000005700 microbiome Species 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 15
- 230000029553 photosynthesis Effects 0.000 description 5
- 238000010672 photosynthesis Methods 0.000 description 5
- 231100000331 toxic Toxicity 0.000 description 5
- 230000002588 toxic effect Effects 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052570 clay Inorganic materials 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 2
- 235000019799 monosodium phosphate Nutrition 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000010805 inorganic waste Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 235000018648 unbalanced nutrition Nutrition 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/347—Use of yeasts or fungi
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
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Abstract
The invention discloses a treating agent for garbage penetrating fluid, a preparation method and a treatment process thereof, belonging to the field of wastewater treatment, and comprising a nano enzyme WTCLEA, an activating agent WRLL for activating the nano enzyme WTCLEA and an activating agent BOJF; adding an activator into the nano enzyme WTCLAA before use, wherein the activator WRLL and the activator BOJF are respectively required agents for activating the original ecological WTCLAA; the activator WRLL is also a desired agent for activating the transition state WTCLEA to the activated state WTCLEA. According to the characteristics of high pollutant concentration and large water quality and quantity change in penetrating fluid wastewater of the refuse landfill, the advanced nano enzyme WTCLAA is selected, so that the biochemical microorganism treatment efficiency is improved, the treatment device is simplified, and the treatment process is improved, so that the effluent quality and quantity are ensured.
Description
Technical Field
The invention relates to a treating agent for garbage penetrating fluid, a preparation method and a treatment process thereof, belonging to the field of wastewater treatment.
Background
The rapid development of urbanization brings a serious challenge to garbage disposal, and the serious garbage pollution problem affects the life quality of people. The garbage penetrating fluid is high-concentration organic or inorganic waste liquid formed in the landfill process due to anaerobic fermentation, organic matter decomposition, leaching and scouring of precipitation, soaking of surface water and underground water and the like, is complex in composition and large in content difference, and belongs to special high-concentration wastewater which is difficult to treat.
The garbage penetrating fluid is mainly characterized by complex pollutant components, large change of water quality and water quantity, extremely high ammonia nitrogen concentration, poorer biochemical performance and unbalanced nutrition proportion. Resulting in problems of long retention time of biological treatment, high equipment investment, small treatment scale and the like. Therefore, the treatment of the garbage penetrating fluid needs to select technical advanced materials and match with a practical, reliable and high-cost-performance process so as to relieve the growing problem of urban water pollution.
The existing garbage penetrating fluid treatment is commonly used in physicochemical and biological combined processes, mainly relating to processes including a Membrane Bioreactor (MBR), Nanofiltration (NF), Reverse Osmosis (RO), an upflow anaerobic sludge blanket (UAASB) and the like, and the treated effluent can reach the national discharge standard, but has economic problems of high operation and maintenance cost and the like.
The prior Chinese patent 'a composite material and a preparation method and application thereof in biochemical treatment of sewage' (application number is CN201710784101.6), discloses a composite material which is mainly prepared by mixing oxides containing silicon, aluminum and iron elements and has a microspherical structure with a porous lamellar layer, the diameter of the microspherical structure is 1-5000 microns, and the specific surface area is 50-500m2(ii) in terms of/g. The invention also discloses a preparation method of the composite material, which comprises the steps of firstly preparing sodium silicate, clay and Fe2O3，Al2O3Mixing with strong acid, reaction, adding nitrogen, high-temp calcining, adding water vapor, high-temp high-pressure hydrating, drying, pulverizing and sieving. The invention also provides the application of the composite material in the biochemical treatment of sewage. The use of the above composite materials in landfill leachate is not particularly desirable.
Therefore, how to apply the treatment technology of the garbage penetrating fluid turns harm into benefit, promotes the sustainable development of the ecological environment, and has important practical significance.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a treating agent for garbage penetrating fluid, which solves the problems of high treatment cost, low efficiency, poor biodegradability, high treatment cost and the like of the conventional garbage penetrating fluid.
The invention also provides a preparation method and a treatment process of the treating agent.
In order to achieve the aim, the invention adopts a treating agent for garbage penetrating fluid, which comprises a nano enzyme WTCLAA, an activator WRLL for activating the nano enzyme WTCLAA and an activator BOJF;
the nano enzyme WTCLAA is added with an activator before use, and the activator WRLL and the activator BOJF are respectively required agents for activating the original ecological WTCLAA; the activator WRLL is also a desired agent for activating the transition state WTCLEA to the activated state WTCLEA.
As an improvement, the nano enzyme WTCLAA is prepared by taking a composite material as a preparation carrier, and compounding a mild cracking product of a microorganism after composite purification and washing.
As an improvement, the active component of the nano enzyme WTCLAA is a mild lysate domesticated and optimized photosynthetic bacteria, actinomycetes, lactic acid bacteria and yeasts.
As an improvement, the compound microorganism comprises photoautotrophic and photoautotrophic bacteria capable of photosynthesis, aerobic actinomycetes, aerobic acetobacter, aerobic saccharomycetes, actinomycetes, lactic acid bacteria capable of decomposing toxic hydrogen sulfide, and aerobic saccharomycetes capable of effective fermentation decomposition.
As an improvement, the activator WRLL adopts dihydric phosphate, and the activator BOJF adopts ammonium salt.
In addition, the invention also provides a preparation method of the treating agent for the garbage penetrating fluid, which comprises the following steps:
1) preparing a composite material with a nano microspherical structure as a carrier;
2) collecting photoautotrophic and photoautotrophic bacteria capable of photosynthesis, aerobic actinomycetes, aerobic acetobacter, actinomycetes, lactic acid bacteria capable of decomposing toxic hydrogen sulfide and aerobic saccharomycetes capable of effectively fermenting and decomposing, separating, purifying and culturing for several days, and performing comprehensive freeze thawing and ultrasonic crushing to obtain a lysate of the composite bacteria, washing with pure water for later use, and performing mild operation in the preparation process;
3) controlling the amount of the composite material to be 1-10% of the mass of the cracking product, dispersing the composite material with the nano microspherical structure prepared in the step 1) into phosphate buffer solution with the pH value of 6-9 to form low-viscosity solution, wherein the amount of the composite material is 0.2-2% of the phosphate buffer solution, adding the cracking product obtained in the step 2), stirring at normal temperature for 1-4 h, performing low-frequency ultrasonic treatment, passing through a 200-400-mesh net, measuring the encapsulation rate, and then loading into specific water treatment equipment.
Finally, the invention also provides a treatment process of the garbage penetrating fluid, which comprises the following steps:
a) collecting garbage penetrating fluid from a collecting tank, pumping into an adjusting tank, adjusting pH, and homogenizing water quality and water quantity;
b) pumping the wastewater from the regulating reservoir into a reaction tank, adding the treating agent into the reaction tank according to a certain proportion, stirring, degrading most of COD and BOD, and combining aeration equipment;
c) entering a treatment system of a coagulating sedimentation tank, removing fine suspended matters, floating matters and colloidal substances in water by chemical flocculation sedimentation, wherein a common flocculating agent can be added without or with the addition amount of 1/10-1/4 below the original amount;
d) pumping raw water into a nitrogen catalytic removal device to remove NH3-N in the wastewater;
e) pumping effluent into an MBR system, performing sludge-water separation by an MBR membrane, refluxing supernatant to a front biochemical reaction tank, and improving the removal efficiency by a treating agent;
f) the penetrating fluid is subjected to MBR biochemical treatment, wherein the biodegradable pollutants are completely removed, organic pollutants which are extremely difficult to degrade and are not degradable in the wastewater are modified by adopting a strong oxygen agent-ozone, and the effluent flows back to a biochemical reaction tank for further treatment;
g) after MBR treatment, the wastewater enters a subsequent conventional sewage treatment link for further treatment, enters a filter tank for temporary storage, is finally sterilized by an ultraviolet disinfection tank, and can be recycled or discharged after being detected to reach the standard; and (3) allowing all parts of sludge to enter a sludge tank for filter pressing, and finally, carrying out outward treatment on the obtained sludge blocks at regular intervals.
As an improvement, the specific operation of feeding the treating agent into the reaction tank is as follows:
1) adding nano enzyme WTCLAA with the volume of 0.05-5% of the volume of a reaction tank, then adding WRLL with the volume of 0.1-0.5% and BOJF with the volume of 0.05-0.5% of the volume of the reaction tank, activating the nano enzyme WTCLAA through activators WRLL and BOJF for 24-48 h, and also enabling flowing water to flow for 24h multiplied by 2 to realize the activation of the nano enzyme WTCLAA;
2) after the activation is finished, adding nano enzyme WTCLAA and 0.01-0.05% of WRLL according to 0.01-0.1% of the treated water in daily life, and staying for 12-24 h.
As an improvement, when the stirring speed in the reaction tank is lower than 200r/min, aeration gas is additionally arranged in the reaction tank; and a PH monitoring device is arranged in the reaction tank.
As an improvement, the flocculant is one of polyaluminium chloride and polyaluminium sulfate or a mixture of the polyaluminium chloride and the polyaluminium sulfate.
Compared with the prior art, the invention has the beneficial effects that:
1) according to the characteristics of high concentration of pollutants in penetrating fluid wastewater of the refuse landfill and large change of water quality and water quantity, the advanced nano enzyme WTCLAA is selected, so that the low treatment efficiency of biochemical microorganisms is improved, a treatment device is simplified, and the treatment process is improved, thereby ensuring the water quality and water quantity of effluent.
2) The porous structure of the nano enzyme WTCLAA has an adsorption effect and high turbidity removal rate.
3) The nano enzyme WTCLAA takes the existing composite material (components of sodium silicate, aluminum and iron oxide) as a preparation carrier, can remove hydrophobic harmful substances, and ensures the treatment effect and stable operation of the oxidation reduction of active ingredients.
4) The active component of the nano enzyme WTCLAA is an active compound microorganism, can generate a plurality of extracellular enzymes, can rapidly decompose organic matters in wastewater, and promotes the oxidation of nitrite, thereby improving the removal rate of BOD and COD.
Drawings
FIG. 1 is a flow chart of the preparation of the nano enzyme WTCLAA of the present invention;
FIG. 2 is a flow diagram of the landfill permeate treatment process of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
A treating agent for garbage penetrating fluid comprises a nano enzyme WTCLAA, an activator WRLL for activating the nano enzyme WTCLAA and an activator BOJF;
the nano enzyme WTCLAA is added with an activator before use, and the activator WRLL and the activator BOJF are respectively required agents for activating the original ecological WTCLAA; the activator WRLL is also a desired agent for activating the transition state WTCLEA to the activated state WTCLEA.
As an improvement, the nano enzyme WTCLAA is a nano enzyme with oxidation catalytic activity formed by compounding a mild cleavage product of a microorganism after composite purification and washing by using a composite material disclosed in the prior patent 'a composite material and a preparation method and application thereof in biochemical treatment of sewage' (application number is CN201710784101.6) as a preparation carrier.
As an improvement, the active component of the nano enzyme WTCLEA is a mild lysate of domesticated and optimized photosynthetic bacteria, actinomycetes, lactic acid bacteria and yeasts.
As an improvement, the compound microorganism comprises photoautotrophic and photoautotrophic bacteria capable of photosynthesis, aerobic actinomycetes, aerobic acetobacter, aerobic saccharomycetes, actinomycetes, lactic acid bacteria capable of decomposing toxic hydrogen sulfide, and aerobic saccharomycetes capable of effective fermentation decomposition.
As a modification, the activating agent WRLL adopts dihydric phosphate, preferably one or two of sodium dihydrogen phosphate and potassium dihydrogen phosphate; the activator BOJF adopts ammonium salt, and preferably one or more of ammonium carbonate, ammonium nitrate and ammonium sulfate.
In addition, the invention also provides a preparation method of the treating agent for the garbage penetrating fluid, which comprises the following steps:
1) preparing a composite material with a nano microspherical structure as a carrier;
2) collecting photoautotrophic and photoautotrophic bacteria capable of photosynthesis, aerobic actinomycetes, aerobic acetobacter, actinomycetes, lactic acid bacteria capable of decomposing toxic hydrogen sulfide and aerobic saccharomycetes capable of effectively fermenting and decomposing, separating, purifying and culturing for several days, and performing comprehensive freeze thawing and ultrasonic crushing to obtain a lysate of the composite bacteria, washing with pure water for later use, and performing mild operation in the preparation process;
3) controlling the amount of the composite material to be 1-10% of the mass of the cracking product, dispersing the composite material with the nano microspherical structure prepared in the step 1) into phosphate buffer solution with the pH value of 6-9 to form low-viscosity solution, wherein the amount of the composite material is 0.2-2% of the phosphate buffer solution, adding the cracking product obtained in the step 2), stirring at normal temperature for 1-4 h, performing low-frequency ultrasonic treatment, passing through a 200-400-mesh net, measuring the encapsulation rate, and then loading into specific water treatment equipment.
Finally, the invention also provides a treatment process of the garbage penetrating fluid, which comprises the following steps:
a) collecting garbage penetrating fluid from a collecting tank, pumping into an adjusting tank, adjusting pH, and homogenizing water quality and water quantity;
b) pumping the wastewater from the regulating reservoir into a reaction tank, adding the treating agent into the reaction tank according to a certain proportion, stirring, degrading most of COD and BOD, and combining aeration equipment;
the basic reaction formula of the treating agent for degrading the COD of the garbage penetrating fluid is as follows:
the concrete operation of adding the treating agent into the reaction tank is as follows:
1) adding nano enzyme WTCLAA with the volume of 0.05-5% of the volume of a reaction tank, then adding WRLL with the volume of 0.1-0.5% and BOJF with the volume of 0.05-0.5% of the volume of the reaction tank, activating the nano enzyme WTCLAA through activators WRLL and BOJF for 24-48 h, and also enabling flowing water to flow for 24h multiplied by 2 to realize the activation of the nano enzyme WTCLAA;
2) after activation is completed, adding nano enzyme WTCLAA and 0.01-0.05% of WRLL according to 0.01-0.1% of the treated water in daily life, and staying for 12-24 h;
c) entering a treatment system of a coagulating sedimentation tank, removing fine suspended matters, floating matters and colloidal substances in water by chemical flocculation sedimentation, wherein a common flocculating agent can be added without or with the addition amount of 1/10-1/4 below the original amount;
d) pumping raw water into a nitrogen catalytic removal device to remove NH3-N in the wastewater;
e) pumping effluent into an MBR system, performing sludge-water separation by an MBR membrane, refluxing supernatant to a front biochemical reaction tank, and improving the removal efficiency by a treating agent;
f) the penetrating fluid is subjected to MBR biochemical treatment, wherein the biodegradable pollutants are completely removed, organic pollutants which are extremely difficult to degrade and are not degradable in the wastewater are modified by adopting a strong oxygen agent-ozone, and the effluent flows back to a biochemical reaction tank for further treatment;
g) after MBR treatment, the wastewater enters a subsequent conventional sewage treatment link for further treatment, enters a filter tank for temporary storage, is finally sterilized by an ultraviolet disinfection tank, and can be recycled or discharged after being detected to reach the standard; and (3) allowing all parts of sludge to enter a sludge tank for filter pressing, and finally, carrying out outward treatment on the obtained sludge blocks at regular intervals.
As an improvement, when the stirring speed in the reaction tank is lower than 200r/min, aeration gas is additionally arranged in the reaction tank; and a PH monitoring device is arranged in the reaction tank.
As an improvement, the flocculant is one of polyaluminium chloride and polyaluminium sulfate or a mixture of the polyaluminium chloride and the polyaluminium sulfate. And removing fine suspended matters, floating matters and colloidal substances in the water by chemical flocculation sedimentation. In addition, in the pretreatment stage of the flocculant, stirring should be maintained, and if the original stirring speed is slow, the stirring speed needs to be increased.
Example 1
A treating agent for garbage penetrating fluid comprises a nano enzyme WTCLEA, an activating agent WRLL for activating the nano enzyme WTCLEA and an activating agent BOJF; sodium dihydrogen phosphate is adopted as the activator WRLL, and ammonium nitrate is adopted as the activator BOJF;
the preparation method of the treating agent for the garbage penetrating fluid, as shown in figure 1, comprises the following steps:
1) the composite material with a nano microspherical structure is prepared to be used as a carrier of the invention by adopting the prior patent of 'a composite material and a preparation method and application thereof in biochemical treatment of sewage' (the application number is CN 201710784101.6); e.g. adopt
a) 100 g of sodium silicate, 30 g of clay (from Wanhong mining Co., Ltd., Qingdao), 30 g of iron oxide (Fe)2O3) 30 g of alumina (Al)2O3) 10ml of concentrated hydrochloric acid (commercially available) are uniformly mixed and reacted for 6 hours in a closed manner at 120 ℃;
b) uniformly mixing the reaction product obtained in the step a), introducing nitrogen at 100 ℃, and continuously blowing the nitrogen for 30 minutes;
c) calcining the product obtained in the step b) at high temperature of 650 ℃ in air for 30 minutes;
d) filling the calcined product in the step c) into steam, and hydrating at high temperature and high pressure (3 atmospheric pressure, 120 ℃);
e) carrying out microwave drying treatment on the hydration product in the step d);
f) ultrasonically crushing the product after the microwave drying treatment, and sieving the product by a 320-mesh sieve to obtain the final required material;
2) collecting photoautotrophic and photoautotrophic bacteria capable of photosynthesis, aerobic actinomycetes, aerobic acetobacter, actinomycetes, lactic acid bacteria capable of decomposing toxic hydrogen sulfide and aerobic saccharomycetes capable of effectively fermenting and decomposing, separating, purifying and culturing for several days, and performing comprehensive freeze thawing and ultrasonic crushing to obtain a lysate of the composite bacteria, washing with pure water for later use, and performing mild operation in the preparation process;
3) controlling the amount of the composite material to be 1% of the mass of the cracking product, dispersing the composite material with the nano micro-spherical structure prepared in the step 1) into phosphate buffer solution with the pH value of 6 to form low-viscosity solution, wherein the amount of the composite material is 0.2% of the phosphate buffer solution, adding the cracking product obtained in the step 2), stirring for 1h at normal temperature, passing through a 200-mesh net after low-frequency ultrasound, measuring the encapsulation rate, and then loading into specific water treatment equipment.
Example 2
A method for preparing a treating agent for garbage penetrating fluid, wherein the steps 1) and 2) are the same as those in the embodiment 1;
in the step 3), the using amount of the composite material is controlled to be 5% of the mass of the cracking product, the composite material with the nano microspherical structure prepared in the step 1) is dispersed into phosphate buffer solution with the pH value of 7 to form low-viscosity solution, wherein the using amount of the composite material is 1% of the phosphate buffer solution, then the cracking product obtained in the step 2) is added, the mixture is stirred for 3 hours at normal temperature, the mixture is subjected to low-frequency ultrasonic treatment, and then the mixture is screened through a 300-mesh screen, and the encapsulation rate is measured and then is loaded into specific water treatment equipment.
Example 3
A method for preparing a treating agent for garbage penetrating fluid, wherein the steps 1) and 2) are the same as those in the example 1;
in the step 3), the using amount of the composite material is controlled to be 10% of the mass of the cracking product, the composite material with the nano micro-spherical structure prepared in the step 1) is dispersed into phosphate buffer solution with the pH value of 9 to form low-viscosity solution, wherein the using amount of the composite material is 2% of the phosphate buffer solution, then the cracking product obtained in the step 2) is added, the mixture is stirred for 4 hours at normal temperature, the mixture is subjected to low-frequency ultrasonic treatment, and then the mixture is screened through a 400-mesh screen, and the encapsulation rate is measured and then is loaded into specific water treatment equipment.
Example 4
A treatment process of garbage penetrating fluid comprises the following steps:
a) collecting garbage penetrating fluid from a collecting tank, pumping into an adjusting tank, adjusting pH, and homogenizing water quality and water quantity;
b) pumping the wastewater from the regulating reservoir into a reaction tank, adding the treating agent into the reaction tank according to a certain proportion, stirring, degrading most of COD and BOD, and combining aeration equipment;
the basic reaction formula of the treating agent for degrading the COD of the garbage penetrating fluid is as follows:
the specific operation of putting the treating agent into the reaction tank is as follows:
1) adding nano enzyme WTCLAA with the volume of 0.05-5% of the volume of a reaction tank, then adding WRLL with the volume of 0.1-0.5% and BOJF with the volume of 0.05-0.5% of the volume of the reaction tank, activating the nano enzyme WTCLAA through activators WRLL and BOJF for 24-48 h, and also enabling flowing water to flow for 24h multiplied by 2 to realize the activation of the nano enzyme WTCLAA;
2) after activation is completed, adding nano enzyme WTCLAA and 0.01-0.05% of WRLL according to 0.01-0.1% of the treated water in daily life, and staying for 12-24 h;
c) entering a treatment system of a coagulating sedimentation tank, removing fine suspended matters, floating matters and colloidal substances in water by chemical flocculation sedimentation, wherein a common flocculating agent can be added without or below 1/10-1/4 of the original addition amount;
d) pumping raw water into a nitrogen catalytic removal device to remove NH3-N in the wastewater;
e) pumping effluent into an MBR system, performing sludge-water separation by an MBR membrane, refluxing supernatant to a front biochemical reaction tank, and improving the removal efficiency by a treating agent;
f) the penetrating fluid is subjected to MBR biochemical treatment, wherein the biodegradable pollutants are completely removed, organic pollutants which are extremely difficult to degrade and are not degradable in the wastewater are modified by adopting a strong oxygen agent-ozone, and the effluent flows back to a biochemical reaction tank for further treatment;
g) after MBR treatment, the wastewater enters a subsequent conventional sewage treatment link for further treatment, enters a filter tank for temporary storage, is finally sterilized by an ultraviolet disinfection tank, and can be recycled or discharged after being detected to reach the standard; and (3) allowing all parts of sludge to enter a sludge tank for filter pressing, and finally, carrying out outward treatment on the obtained sludge blocks at regular intervals.
As an improvement, when the stirring speed in the reaction tank is lower than 200r/min, aeration gas is additionally arranged in the reaction tank; and a PH monitoring device is arranged in the reaction tank.
As an improvement, the flocculant is one of polyaluminium chloride and polyaluminium sulfate or a mixture of the polyaluminium chloride and the polyaluminium sulfate. And removing fine suspended matters, floating matters and colloidal substances in the water by chemical flocculation sedimentation. In addition, in the pretreatment stage of the flocculant, stirring should be maintained, and if the original stirring speed is slow, the stirring speed needs to be increased.
Example 5
The preparation method described in example 1 was adopted to perform a garbage leachate treatment experiment of the treating agent of the present invention in a certain garbage plant of Nanjing, and the effluent quality of the treating agent and the treatment process thereof of the present invention was examined. A treating agent accounting for 0.2 percent of the total mass of the raw water is added into the reaction tank, the mixture is circularly stirred for 18 to 24 hours, and the normal operation is carried out according to the flow of the embodiment 4, and the result is shown in the table 1.
TABLE 1 treatment Effect of the treatment agent of the present invention on refuse leachate
| Index (I) | COD(mg/l) | BOD(mg/ml) | SS | Ammonia nitrogen |
| Controlling raw water concentration | 10000 | 6000 | 2000 | 2000 |
| The concentration of the effluent after the treatment agent is adopted | 3000 | 2400 | 107 | 88 |
| The concentration of the effluent after the treatment process of the invention is adopted | 500 | 133 | 5 | 38 |
| Removal Rate (%) | 95％ | 98％ | 99％ | 99％ |
The analysis table 1 shows that the concentration of various pollutants in the penetrating fluid stock solution of the refuse factory is high, and the contents of main pollutants COD, BOD, ammonia nitrogen and SS are obviously reduced by adopting the treating agent and the treatment process thereof for matching use.
By adopting the treatment process, the removal rate of COD can reach 95 percent, and the removal rate of BOD can reach 98 percent; the removal rate of SS can reach 99%; the removal rate of ammonia nitrogen can reach 99%. The nano enzyme WTCLAA and the treatment process have very obvious treatment effect on the garbage penetrating fluid, all indexes of the treatment process reach the national specified discharge standard, the preparation method is simple, the treatment equipment is simplified, and the treatment process has higher economic benefit.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. The treating agent for the garbage penetrating fluid is characterized by comprising a nano enzyme WTCLEA, an activating agent WRLL for activating the nano enzyme WTCLEA and an activating agent BOJF;
the nano enzyme WTCLAA is added with an activator before use, and the activator WRLL and the activator BOJF are respectively required agents for activating the original ecological WTCLAA; the activator WRLL is also a required agent for activating the transition state WTCLAA to the activated state WTCLAA;
the nano enzyme WTCLAA takes a composite material as a preparation carrier;
the active component of the nano enzyme WTCLAA is a mild lysate of domesticated and optimized photosynthetic bacteria, actinomycetes, lactic acid bacteria and saccharomycetes;
the activator WRLL adopts dihydric phosphate, the activator BOJF adopts ammonium salt,
the preparation method of the treating agent for the garbage penetrating fluid comprises the following steps:
1) preparing a composite material with a nano microspherical structure as a carrier;
2) collecting photoautotrophic and photoautotrophic bacteria, aerobic actinomycetes, aerobic acetobacter, aerobic saccharomycetes, actinomycetes, lactic acid bacteria for decomposing toxic substance hydrogen sulfide and aerobic saccharomycetes capable of effectively fermenting and decomposing, separating, purifying and culturing for several days, and performing comprehensive freeze thawing and ultrasonic crushing to obtain a lysate of the composite bacteria, washing with pure water for later use, wherein the preparation process is mild in operation;
3) controlling the amount of the composite material to be 1-10% of the mass of the cracking product, dispersing the composite material with the nano microspherical structure prepared in the step 1) into phosphate buffer solution with the pH value of 6-9 to form low-viscosity solution, wherein the amount of the composite material is 0.2-2% of the phosphate buffer solution, adding the cracking product obtained in the step 2), stirring at normal temperature for 1-4 h, performing low-frequency ultrasonic treatment, passing through a 200-400-mesh net, measuring the encapsulation rate, and then loading into specific water treatment equipment;
the preparation method of the composite material with the nano microspherical structure comprises the following steps:
a) uniformly mixing 100 g of sodium silicate, 30 g of clay, 30 g of ferric oxide, 30 g of aluminum oxide and 10ml of concentrated hydrochloric acid, and carrying out closed reaction at 120 ℃ for 6 hours;
b) uniformly mixing the reaction product obtained in the step a), introducing nitrogen at 100 ℃, and continuously blowing the nitrogen for 30 minutes;
c) calcining the product obtained in the step b) at high temperature of 650 ℃ in air for 30 minutes;
d) filling the calcined product in the step c) into steam, and hydrating at high temperature and high pressure, wherein the high temperature and high pressure is 3 atmospheres and is 120 ℃;
e) carrying out microwave drying treatment on the hydration product in the step d);
f) and (4) ultrasonically crushing the product subjected to the microwave drying treatment, and screening the crushed product through a 320-mesh screen to obtain the final required material.
2. A treatment process of garbage penetrating fluid is characterized by comprising the following steps:
a) collecting garbage penetrating fluid from a collecting tank, pumping into an adjusting tank, adjusting pH, and homogenizing water quality and water quantity;
b) pumping the wastewater from the regulating reservoir into a reaction tank, adding the treating agent according to claim 1 into the reaction tank according to a certain proportion, stirring, degrading most of COD and BOD, and combining aeration equipment;
c) entering a treatment system of a coagulating sedimentation tank, removing fine suspended matters, floating matters and colloidal substances in water by chemical flocculation sedimentation, wherein a common flocculating agent can be added without or with the addition amount of 1/10-1/4 below the original amount;
d) pumping raw water into nitrogen catalytic stripping device to treat NH in waste water3-N is removed;
e) pumping effluent into an MBR system, performing sludge-water separation by an MBR membrane, refluxing supernatant to a front biochemical reaction tank, and improving the removal efficiency by a treating agent;
f) the penetrating fluid is subjected to MBR biochemical treatment, wherein the biodegradable pollutants are completely removed, organic pollutants which are extremely difficult to degrade and are not degradable in the wastewater are modified by adopting a strong oxygen agent-ozone, and the effluent flows back to a biochemical reaction tank for further treatment;
g) after MBR treatment, the wastewater enters a subsequent conventional sewage treatment link for further treatment, enters a filter tank for temporary storage, is finally sterilized by an ultraviolet disinfection tank, and can be recycled or discharged after being detected to reach the standard; all the sludge enters a sludge tank for filter pressing, and finally the obtained sludge blocks are transported outwards at regular intervals;
the specific operation of putting the treating agent into the reaction tank is as follows:
1) adding nano enzyme WTCLAA with the volume of 0.05-5% of the volume of a reaction tank, then adding WRLL with the volume of 0.1-0.5% and BOJF with the volume of 0.05-0.5% of the volume of the reaction tank, activating the nano enzyme WTCLAA through activators WRLL and BOJF for 24-48 h, and also enabling flowing water to flow for 24h multiplied by 2 to realize the activation of the nano enzyme WTCLAA;
2) after the activation is finished, adding nano enzyme WTCLAA and 0.01-0.05% of WRLL according to 0.01-0.1% of the treated water in daily life, and staying for 12-24 h.
3. The process for treating a refuse permeate according to claim 2, wherein aeration is additionally provided in the reaction tank when the stirring rotation speed in the reaction tank is lower than 200 r/min; and a PH monitoring device is arranged in the reaction tank.
4. The process for treating landfill leachate according to claim 2, wherein the flocculant is one of polyaluminium chloride, polyaluminium sulfate, or a mixture thereof.
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| CN102557274A (en) * | 2012-01-16 | 2012-07-11 | 宜态科环保技术(苏州)有限公司 | Method for treating waste water by microbial directional produced enzyme |
| CN105148854A (en) * | 2015-10-19 | 2015-12-16 | 高大元 | Preparation method of mesoporous silica solidified laccase printing and dyeing wastewater decolorizer |
| CN105621801A (en) * | 2016-01-18 | 2016-06-01 | 江阴市弘诺机械设备制造有限公司 | Biological reaction sewage treatment method |
| CN107362769A (en) * | 2017-09-04 | 2017-11-21 | 南京大学 | A kind of composite and preparation method and its application in biochemical wastewater treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102557274A (en) * | 2012-01-16 | 2012-07-11 | 宜态科环保技术(苏州)有限公司 | Method for treating waste water by microbial directional produced enzyme |
| CN105148854A (en) * | 2015-10-19 | 2015-12-16 | 高大元 | Preparation method of mesoporous silica solidified laccase printing and dyeing wastewater decolorizer |
| CN105621801A (en) * | 2016-01-18 | 2016-06-01 | 江阴市弘诺机械设备制造有限公司 | Biological reaction sewage treatment method |
| CN107362769A (en) * | 2017-09-04 | 2017-11-21 | 南京大学 | A kind of composite and preparation method and its application in biochemical wastewater treatment |
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