CN113788573A - Small-size heterotopic ecological remediation system of sewage - Google Patents
Small-size heterotopic ecological remediation system of sewage Download PDFInfo
- Publication number
- CN113788573A CN113788573A CN202111041784.9A CN202111041784A CN113788573A CN 113788573 A CN113788573 A CN 113788573A CN 202111041784 A CN202111041784 A CN 202111041784A CN 113788573 A CN113788573 A CN 113788573A
- Authority
- CN
- China
- Prior art keywords
- sewage
- carbon fiber
- fiber cloth
- tank
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 48
- 238000005067 remediation Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 230000015556 catabolic process Effects 0.000 claims abstract description 31
- 238000006731 degradation reaction Methods 0.000 claims abstract description 31
- 238000000855 fermentation Methods 0.000 claims abstract description 31
- 230000004151 fermentation Effects 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims abstract description 18
- 238000001782 photodegradation Methods 0.000 claims abstract description 12
- 239000002361 compost Substances 0.000 claims abstract description 11
- 230000000813 microbial effect Effects 0.000 claims abstract description 11
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 10
- 231100000719 pollutant Toxicity 0.000 claims abstract description 10
- 239000008394 flocculating agent Substances 0.000 claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000013033 photocatalytic degradation reaction Methods 0.000 claims abstract description 7
- 238000005189 flocculation Methods 0.000 claims abstract description 6
- 230000016615 flocculation Effects 0.000 claims abstract description 6
- 238000013032 photocatalytic reaction Methods 0.000 claims abstract description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 61
- 239000004917 carbon fiber Substances 0.000 claims description 61
- 239000004744 fabric Substances 0.000 claims description 61
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 61
- 239000000243 solution Substances 0.000 claims description 39
- 239000008367 deionised water Substances 0.000 claims description 31
- 229910021641 deionized water Inorganic materials 0.000 claims description 31
- 238000005406 washing Methods 0.000 claims description 31
- 239000010802 sludge Substances 0.000 claims description 29
- 239000002244 precipitate Substances 0.000 claims description 27
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 24
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 20
- 238000002791 soaking Methods 0.000 claims description 20
- 239000002250 absorbent Substances 0.000 claims description 17
- 230000002745 absorbent Effects 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 14
- 239000002068 microbial inoculum Substances 0.000 claims description 14
- 230000001699 photocatalysis Effects 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- 238000009264 composting Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 235000006408 oxalic acid Nutrition 0.000 claims description 8
- 239000011684 sodium molybdate Substances 0.000 claims description 8
- 235000015393 sodium molybdate Nutrition 0.000 claims description 8
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims description 8
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 8
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- QURGMSIQFRADOZ-UHFFFAOYSA-N 5-(3,5-dicarboxyphenyl)benzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C=2C=C(C=C(C=2)C(O)=O)C(O)=O)=C1 QURGMSIQFRADOZ-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 240000008042 Zea mays Species 0.000 claims description 5
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 5
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 5
- 235000005822 corn Nutrition 0.000 claims description 5
- 239000011344 liquid material Substances 0.000 claims description 5
- 239000005416 organic matter Substances 0.000 claims description 5
- 239000010902 straw Substances 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
- 241000589152 Azotobacter chroococcum Species 0.000 claims description 4
- 241000194108 Bacillus licheniformis Species 0.000 claims description 4
- 244000063299 Bacillus subtilis Species 0.000 claims description 4
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 4
- 241000589597 Paracoccus denitrificans Species 0.000 claims description 4
- 241000589517 Pseudomonas aeruginosa Species 0.000 claims description 4
- 241000223261 Trichoderma viride Species 0.000 claims description 4
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 claims description 4
- AMULVJPCIVLXGR-UHFFFAOYSA-N cadmium(2+) ethanol dinitrate Chemical compound C(C)O.[N+](=O)([O-])[O-].[Cd+2].[N+](=O)([O-])[O-] AMULVJPCIVLXGR-UHFFFAOYSA-N 0.000 claims description 4
- HULWKEZTVNNHQB-UHFFFAOYSA-N disodium methanol sulfide Chemical compound CO.[S-2].[Na+].[Na+] HULWKEZTVNNHQB-UHFFFAOYSA-N 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 230000007480 spreading Effects 0.000 claims description 4
- 238000003892 spreading Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000002028 Biomass Substances 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 claims description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 8
- 238000011066 ex-situ storage Methods 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 5
- 238000006065 biodegradation reaction Methods 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052976 metal sulfide Inorganic materials 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 235000021049 nutrient content Nutrition 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 239000005944 Chlorpyrifos Substances 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000000224 chemical solution deposition Methods 0.000 description 1
- SBPBAQFWLVIOKP-UHFFFAOYSA-N chlorpyrifos Chemical compound CCOP(=S)(OCC)OC1=NC(Cl)=C(Cl)C=C1Cl SBPBAQFWLVIOKP-UHFFFAOYSA-N 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000003403 water pollutant Substances 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
- B01J35/59—Membranes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/10—Addition or removal of substances other than water or air to or from the material during the treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/70—Controlling the treatment in response to process parameters
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Tropical Medicine & Parasitology (AREA)
- Pest Control & Pesticides (AREA)
- Catalysts (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a small-sized sewage ex-situ ecological restoration system, which belongs to the technical field of sewage treatment and comprises a restoration pond, wherein the restoration pond sequentially comprises a water pump, a sedimentation tank, a filtering tank and a sewage degradation tank, a flocculating agent is added into the sedimentation tank, the filtering tank comprises a gravel layer and a pebble layer which are sequentially arranged from top to bottom, the sewage degradation tank comprises a photodegradation tank and a biodegradation tank, the photodegradation tank degrades sewage pollutants based on a photocatalytic reaction, and the biodegradation tank carries out microbial conversion and absorption on sewage after photocatalytic degradation; the invention integrates the advantages of a mechanical improvement method, a chemical remediation method and a biological treatment method, provides an ecological remediation system comprising flocculation filtration, photocatalytic degradation, microbial compost fermentation and microbial degradation, and can realize comprehensive, continuous and stable ecological remediation on the polluted small water area.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a small-sized sewage ex-situ ecological restoration system.
Background
Rivers and lakes are the important basis of industrial and agricultural water and domestic water of urban and urban residents, and the water quality conditions of the rivers and lakes determine the quality of life and the sustainable development degree of people to a certain extent. With the rapid development of economy and the continuous improvement of life quality of people, rivers and lakes are polluted to different degrees, domestic sewage, industrial wastewater, farmland irrigation water containing pesticide and chemical fertilizer and the like are discharged into the rivers and lakes in large quantities, so that harmful substances in water are obviously increased, a water environment system is obviously changed, and water pollution is gradually a major problem to be solved, such as greening of the water due to overhigh nitrogen and phosphorus in the rivers, turbidity of the water due to overhigh solid pollutants, blackening and smelliness of the water due to overhigh organic matter content, breeding of germs or harmful organisms due to lower oxygen content in the water, virulent of the water due to indiscriminate discharge and abuse of the pesticide and chemical fertilizer and the like. In order to solve the problem of water pollution, the prior art utilizes a plurality of technical methods to treat and improve the water environment, and the methods can be mainly divided into a mechanical improvement method, a chemical remediation method and a biological treatment method. The mechanical improvement method mainly comprises the technologies of mechanical algae removal, water transfer dilution, independent aeration, river bottom sludge dredging and the like, and the aim of improving the river channel environment is fulfilled by manual measures; the chemical remediation method is to utilize chemical reagents and medicines to carry out chemical reaction with pollutants or harmful elements in the river channel so as to achieve the purpose of precipitating or digesting the harmful substances; the biological treatment measures are mainly to reduce the content and concentration of pollutants in the river water body by utilizing the absorption, degradation and conversion functions of microorganisms. The methods have different functions, but the water body environment cannot be continuously and stably repaired.
Disclosure of Invention
In view of the above problems, the present invention provides a small ex-situ sewage ecological restoration system, which is suitable for small water areas by transferring polluted water from a polluted area to an adjacent place or a reactor to perform ex-situ restoration on pollutants in the polluted area.
The purpose of the invention is realized by adopting the following technical scheme:
the utility model provides a small-size heterotopic ecological remediation system of sewage, is including restoreing the pond, restore the pond and include water pump, sedimentation tank, filtering ponds and sewage degradation pond in proper order, it has the flocculating agent to add in the sedimentation tank, the filtering ponds include the metalling and the cobble layer that top-down set gradually, the sewage degradation pond includes photodegradation pond and biodegradable pond, the photodegradation pond degrades the sewage pollutant based on the photocatalytic reaction, the biodegradable pond carries out microbial transformation and absorption to the sewage after the photocatalytic degradation.
Preferably, photocatalytic carbon fiber cloth is paved in the photodegradation tank, and the preparation method of the photocatalytic carbon fiber cloth comprises the following steps:
(1) taking carbon fiber cloth, carrying out ultrasonic cleaning in acetone, ethanol and deionized water in sequence, drying for later use, and carrying out ultrasonic cleaning according to a molar ratio of 5: (6-7): (2-2.2) respectively weighing sodium molybdate, oxalic acid and thiourea, dissolving the sodium molybdate, the oxalic acid and the thiourea in deionized water to prepare a solution with the total concentration of 0.17-0.18mol/L to obtain a solution A, immersing the carbon fiber cloth in the solution A, carrying out hydrothermal reaction at the temperature of 180-200 ℃ for 20-24h, taking out the carbon fiber cloth after the reaction is finished, washing the carbon fiber cloth with the deionized water, and drying the carbon fiber cloth for later use;
(2) and (2) sequentially soaking the carbon fiber cloth prepared in the step (1) in 0.05-0.1mol/L cadmium nitrate ethanol solution for 3-5min, taking out the carbon fiber cloth, washing the carbon fiber cloth with absolute ethyl alcohol, soaking the carbon fiber cloth in 0.05-0.1mol/L sodium sulfide methanol solution for 3-5min, repeating the soaking, washing and soaking operations for 4-6 times, taking out the carbon fiber cloth after soaking, washing the carbon fiber cloth with deionized water, and drying to obtain the photocatalytic carbon fiber cloth.
Preferably, the application method of the repair system comprises the following steps:
(1) building a restoration pond near a water area to be treated, introducing water area sewage into a sedimentation tank through a water pump, adding a flocculating agent for flocculation and sedimentation, and separating the water body and sludge;
(2) the water body is filtered by a filter tank and then enters a sewage degradation tank for degradation;
(3) and carrying out composting fermentation treatment on the sludge.
Preferably, the compost fermentation treatment is specifically:
dehydrating the sludge to obtain dehydrated sludge with the water content of 60-75% and the organic matter dry basis content of 25-50%, and adding a conditioner for mixing, wherein the weight ratio of the conditioner to the dehydrated sludge is (3-8): 10, adjusting the carbon-nitrogen ratio to 25-35 to obtain a mixed material, adding the composite microbial inoculum A according to 1-5% of the mass of the mixed material, fully mixing, and then performing stacking fermentation, wherein the stacking height is 0.4-1.0m, and the ventilation quantity is kept at 0.05-1.00m3/min·m3When the core temperature of the fermentation pile rises to 45-55 ℃, spreading a layer of composite microbial inoculum B on the surface of the fermentation pile, and continuously piling until the temperature of the fermentation pile is consistent with the ambient temperature to finish the compost fermentation of the sludge;
wherein, the conditioner consists of corn straws, wood chips and an ammonia nitrogen absorbent.
Preferably, the composite microbial agent A is one or more of bacillus subtilis, bacillus licheniformis and pseudomonas aeruginosa, and the composite microbial agent B is one or more of paracoccus denitrificans, azotobacter chroococcum and trichoderma viride.
Preferably, the preparation method of the ammonia nitrogen absorbent comprises the following steps:
respectively weighing biphenyl-3, 3',5,5' -tetracarboxylic acid and aluminum trichloride, dissolving the biphenyl-3, 3',5,5' -tetracarboxylic acid and aluminum trichloride in 1-2 wt.% hydrochloric acid solution to obtain solution B, transferring the solution B into a high-pressure reaction kettle with a polytetrafluoroethylene lining for hydrothermal reaction at 200-210 ℃, carrying out heat preservation reaction for 60-72h under autogenous pressure, cooling after the reaction is finished, separating white precipitate, washing with deionized water, and carrying out vacuum drying to obtain the ammonia nitrogen absorbent.
Preferably, the preparation method of the ammonia nitrogen absorbent comprises the following steps:
(1) crushing dried plant biomass, heating to 700-800 ℃ in a protective atmosphere, carrying out heat preservation treatment for 2h, cooling to obtain biochar, and mixing the biochar with graphene oxide according to a weight ratio of 10: (0.5-2), heating to 400 ℃ at a heating rate of 10-20 ℃/min under a protective atmosphere, carrying out thermal insulation pyrolysis for 4h, carrying out self-cooling to room temperature, and washing with deionized water to be neutral to obtain modified biochar;
(2) dispersing the modified biochar in a mixed solution of concentrated nitric acid and concentrated sulfuric acid according to a liquid-material ratio of 5-10ml/g, filtering out a precipitate after stirring and reacting for 1-4h, washing the precipitate to neutrality by deionized water, dispersing the precipitate in a 10mol/L sodium hydroxide solution again, filtering out the precipitate after stirring and reacting for 1-2h, washing the precipitate to neutrality by deionized water, dispersing the precipitate in a 20% hydrogen peroxide solution according to a liquid-material ratio of 3-4ml/g, filtering out the precipitate after stirring and reacting for 1-2h, washing the precipitate to neutrality by deionized water, and drying to obtain the ammonia nitrogen absorbent.
The invention has the beneficial effects that:
(1) the invention integrates the advantages of a mechanical improvement method, a chemical restoration method and a biological treatment method, provides an ecological restoration system comprising flocculation filtration, photocatalytic degradation, microbial compost fermentation and microbial degradation, can carry out comprehensive ecological restoration on a polluted small water area, simultaneously can take a fermentation product as an excellent biological fertilizer, does not generate secondary pollutants, and can carry out continuous and stable restoration on the water environment.
(2) Sludge composting is essentially that organic matters in sludge are transformed and stabilized through a series of biochemical reactions under the action of microorganisms. Under the natural environment condition, the composting period is long, the effect is poor, a large amount of nitrogen loss is easy to cause, and the like, and the defects of the traditional composting method can be well overcome by adding a conditioner.
(3) According to the invention, the high-strength, high-modulus and high-conductivity carbon fiber cloth is used as a flexible substrate, the heterostructure formed by the metal sulfide of molybdenum and cadmium is used as a photocatalyst, and the metal sulfide of molybdenum and cadmium is generated on the carbon fiber cloth in situ by a hydrothermal-chemical bath deposition method, so that the wide spectrum absorption is realized, the flexibility, the stability and the easiness in recovery are good, the utilization efficiency of light is improved, and the catalytic degradation efficiency is effectively promoted.
Detailed Description
The invention is further described with reference to the following examples.
Example 1
A small-sized sewage ex-situ ecological restoration system comprises a restoration pond, wherein the restoration pond sequentially comprises a water pump, a sedimentation tank, a filtering tank and a sewage degradation tank, a flocculating agent is added into the sedimentation tank, the filtering tank comprises a gravel layer and a pebble layer which are sequentially arranged from top to bottom, the sewage degradation tank comprises a light degradation tank and a biological degradation tank, the light degradation tank degrades sewage pollutants based on a photocatalytic reaction, and the biological degradation tank performs microbial conversion and absorption on sewage after photocatalytic degradation;
the application method of the repair system comprises the following steps:
(1) building a restoration pond near a water area to be treated, introducing water area sewage into a sedimentation tank through a water pump, adding a flocculating agent for flocculation and sedimentation, and separating the water body and sludge;
(2) the water body is filtered by a filter tank and then enters a sewage degradation tank for degradation;
(3) performing composting fermentation treatment on the sludge;
the photocatalytic carbon fiber cloth is paved in the photodegradation tank, and the preparation method of the photocatalytic carbon fiber cloth comprises the following steps:
(1) taking carbon fiber cloth, carrying out ultrasonic cleaning in acetone, ethanol and deionized water in sequence, drying for later use, and carrying out ultrasonic cleaning according to a molar ratio of 5: 6.6: 2, respectively weighing sodium molybdate, oxalic acid and thiourea, dissolving the sodium molybdate, the oxalic acid and the thiourea in deionized water to prepare a solution with the total concentration of 0.17mol/L to obtain a solution A, immersing the carbon fiber cloth in the solution A, carrying out hydrothermal reaction at 180 ℃ for 20 hours, taking out the carbon fiber cloth after the reaction is finished, washing the carbon fiber cloth with the deionized water, and drying the carbon fiber cloth for later use;
(2) sequentially soaking the carbon fiber cloth prepared in the step (1) in 0.05mol/L cadmium nitrate ethanol solution for 5min, taking out the carbon fiber cloth, washing the carbon fiber cloth with absolute ethyl alcohol, soaking the carbon fiber cloth in 0.05mol/L sodium sulfide methanol solution for 5min, repeating the soaking, washing and soaking operations for 5 times, taking out the carbon fiber cloth after soaking is finished, washing the carbon fiber cloth with deionized water, and drying the carbon fiber cloth to obtain the photocatalytic carbon fiber cloth;
the compost fermentation treatment specifically comprises the following steps:
and (2) dehydrating the sludge to obtain dehydrated sludge with the water content of 68% and the organic matter dry basis content of 29%, wherein the mass ratio of the dehydrated sludge to the conditioner is 5: 3 adding a conditioner for mixing, adjusting the carbon-nitrogen ratio of the system to 30 to obtain a mixed material, adding the composite microbial inoculum A according to 3 percent of the mass of the mixed material, fully mixing, and then performing stacking fermentation, wherein the stacking height is 0.4-1.0m, and the ventilation quantity is kept at 0.05-0.2m3/min·m3When the core temperature of the fermentation pile rises to 45-55 ℃, spreading a layer of composite microbial inoculum B on the surface of the fermentation pile, and continuously piling until the temperature of the fermentation pile is consistent with the ambient temperature to finish the compost fermentation of the sludge;
the conditioner is prepared from the following components in a mass ratio of 1: 2: 2, corn straw, wood dust and ammonia nitrogen absorbent;
the composite microbial inoculum A is a mixed culture solution of bacillus subtilis, bacillus licheniformis and pseudomonas aeruginosa;
the compound microbial inoculum B is a mixed culture solution of paracoccus denitrificans, azotobacter chroococcum and trichoderma viride;
the preparation method of the ammonia nitrogen absorbent comprises the following steps:
according to the molar ratio of 2: 1, respectively weighing biphenyl-3, 3',5,5' -tetracarboxylic acid and aluminum trichloride, dissolving the biphenyl-3, 3',5,5' -tetracarboxylic acid and aluminum trichloride in 1-2 wt.% hydrochloric acid solution to obtain solution B, transferring the solution B into a high-pressure reaction kettle with a polytetrafluoroethylene lining for hydrothermal reaction at a hydrothermal temperature of 200 ℃ and 210 ℃, carrying out heat preservation reaction for 70 hours under autogenous pressure, cooling after the reaction is finished, separating white precipitate, washing with deionized water, and carrying out vacuum drying to obtain the ammonia nitrogen absorbent.
Example 2
A small-sized sewage ex-situ ecological restoration system comprises a restoration pond, wherein the restoration pond sequentially comprises a water pump, a sedimentation tank, a filtering tank and a sewage degradation tank, a flocculating agent is added into the sedimentation tank, the filtering tank comprises a gravel layer and a pebble layer which are sequentially arranged from top to bottom, the sewage degradation tank comprises a light degradation tank and a biological degradation tank, the light degradation tank degrades sewage pollutants based on a photocatalytic reaction, and the biological degradation tank performs microbial conversion and absorption on sewage after photocatalytic degradation;
the application method of the repair system comprises the following steps:
(1) building a restoration pond near a water area to be treated, introducing water area sewage into a sedimentation tank through a water pump, adding a flocculating agent for flocculation and sedimentation, and separating the water body and sludge;
(2) the water body is filtered by a filter tank and then enters a sewage degradation tank for degradation;
(3) performing composting fermentation treatment on the sludge;
the photocatalytic carbon fiber cloth is paved in the photodegradation tank, and the preparation method of the photocatalytic carbon fiber cloth comprises the following steps:
(1) taking carbon fiber cloth, carrying out ultrasonic cleaning in acetone, ethanol and deionized water in sequence, drying for later use, and carrying out ultrasonic cleaning according to a molar ratio of 5: 6.6: 2, respectively weighing sodium molybdate, oxalic acid and thiourea, dissolving the sodium molybdate, the oxalic acid and the thiourea in deionized water to prepare a solution with the total concentration of 0.17mol/L to obtain a solution A, immersing the carbon fiber cloth in the solution A, carrying out hydrothermal reaction at 180 ℃ for 20 hours, taking out the carbon fiber cloth after the reaction is finished, washing the carbon fiber cloth with the deionized water, and drying the carbon fiber cloth for later use;
(2) sequentially soaking the carbon fiber cloth prepared in the step (1) in 0.05mol/L cadmium nitrate ethanol solution for 5min, taking out the carbon fiber cloth, washing the carbon fiber cloth with absolute ethyl alcohol, soaking the carbon fiber cloth in 0.05mol/L sodium sulfide methanol solution for 5min, repeating the soaking, washing and soaking operations for 5 times, taking out the carbon fiber cloth after soaking is finished, washing the carbon fiber cloth with deionized water, and drying the carbon fiber cloth to obtain the photocatalytic carbon fiber cloth;
the compost fermentation treatment specifically comprises the following steps:
and (2) dehydrating the sludge to obtain dehydrated sludge with the water content of 68% and the organic matter dry basis content of 29%, wherein the mass ratio of the dehydrated sludge to the conditioner is 5: 3 adding a conditioner for mixing, adjusting the carbon-nitrogen ratio of the system to 30 to obtain a mixed material, adding the composite microbial inoculum A according to 3 percent of the mass of the mixed material, fully mixing, and then performing stacking fermentation, wherein the stacking height is 0.4-1.0m, and the ventilation quantity is kept at 0.05-0.2m3/min·m3When the core temperature of the fermentation pile rises to 45-55 ℃, spreading a layer of composite microbial inoculum B on the surface of the fermentation pile, and continuously piling until the temperature of the fermentation pile is consistent with the ambient temperature to finish the compost fermentation of the sludge;
the conditioner is prepared from the following components in a mass ratio of 1: 2: 2, corn straw, wood dust and ammonia nitrogen absorbent;
the composite microbial inoculum A is a mixed culture solution of bacillus subtilis, bacillus licheniformis and pseudomonas aeruginosa;
the compound microbial inoculum B is a mixed culture solution of paracoccus denitrificans, azotobacter chroococcum and trichoderma viride;
the preparation method of the ammonia nitrogen absorbent comprises the following steps:
(1) crushing dried plant biomass, heating to 700-800 ℃ in a protective atmosphere, carrying out heat preservation treatment for 2h, cooling to obtain biochar, and mixing the biochar with graphene oxide according to a weight ratio of 10: 1, heating to 340 ℃ at a heating rate of 10-20 ℃/min under a protective atmosphere, carrying out thermal insulation pyrolysis for 4 hours, carrying out self-cooling to room temperature, and washing with deionized water to be neutral to obtain modified biochar;
(2) dispersing the modified biochar in a volume ratio of 1: 3, filtering out a precipitate after stirring and reacting for 2 hours, washing the precipitate to be neutral by deionized water, dispersing the precipitate in 10mol/L sodium hydroxide solution again, filtering out the precipitate after stirring and reacting for 1 hour, washing the precipitate to be neutral by deionized water, dispersing the precipitate in 20% hydrogen peroxide solution according to the liquid-material ratio of 3-4ml/g, filtering out the precipitate after stirring and reacting for 1 hour, washing the precipitate to be neutral by deionized water, and drying to obtain the ammonia nitrogen absorbent.
Example 3
A small-size heterotopic ecological remediation system of sewage, with embodiment 1, its difference lies in:
the photocatalytic carbon fiber cloth is replaced by titanium dioxide (P25) with the same amount of photocatalyst.
Comparative example
A small-size heterotopic ecological remediation system of sewage, with embodiment 1, its difference lies in:
the conditioner is prepared from the following components in a mass ratio of 1: 2: 2, corn straw, wood dust and active carbon.
Examples of the experiments
1. Ammonia nitrogen content of compost sludge
The compost sludge prepared in examples 1 and 2 and comparative example is measured by adding equal amount of activated carbon to replace ammonia nitrogen absorbent for comparison, wherein the ammonia nitrogen content and the total nutrient content are measured by adopting a Naeseler reagent colorimetric method, and the total nutrient is nitrogen content and P2O5And K2Sum of O content, the measurement result is as follows:
| example 1 | Example 2 | Comparative example | |
| Ammonia nitrogen content (%) | 1.7 | 1.8 | 0.9 |
| Total nutrient content (%) | 6.2 | 6.3 | 3.8 |
2. Degradation effect of photodegradation tank
Under the same treatment conditions, the water pollutant contents (pesticide chlorpyrifos and herbicide hydroquinone) before and after the treatment of the photodegradation tank in the examples 1 and 3 are measured, and the measurement results are as follows:
finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a small-size heterotopic ecological remediation system of sewage, its characterized in that, is including restoreing the pond, restore the pond and include water pump, sedimentation tank, filtering ponds and sewage degradation pond in proper order, it has the flocculating agent to add in the sedimentation tank, the filtering ponds include gravel layer and the cobble layer that top-down set gradually, the sewage degradation pond includes photodegradation pond and biodegradable pond, the photodegradation pond degrades the sewage pollutant based on the photocatalytic reaction, the biodegradable pond carries out microbial transformation and absorption to the sewage after the photocatalytic degradation.
2. The small-sized ectopic sewage ecological restoration system according to claim 1, wherein photocatalytic carbon fiber cloth is laid in the photodegradation tank, and the preparation method of the photocatalytic carbon fiber cloth comprises the following steps:
(1) taking carbon fiber cloth, carrying out ultrasonic cleaning in acetone, ethanol and deionized water in sequence, drying for later use, and carrying out ultrasonic cleaning according to a molar ratio of 5: (6-7): (2-2.2) respectively weighing sodium molybdate, oxalic acid and thiourea, dissolving the sodium molybdate, the oxalic acid and the thiourea in deionized water to prepare a solution with the total concentration of 0.17-0.18mol/L to obtain a solution A, immersing the carbon fiber cloth in the solution A, carrying out hydrothermal reaction at the temperature of 180-200 ℃ for 20-24h, taking out the carbon fiber cloth after the reaction is finished, washing the carbon fiber cloth with the deionized water, and drying the carbon fiber cloth for later use;
(2) and (2) sequentially soaking the carbon fiber cloth prepared in the step (1) in 0.05-0.1mol/L cadmium nitrate ethanol solution for 3-5min, taking out the carbon fiber cloth, washing the carbon fiber cloth with absolute ethyl alcohol, soaking the carbon fiber cloth in 0.05-0.1mol/L sodium sulfide methanol solution for 3-5min, repeating the soaking, washing and soaking operations for 4-6 times, taking out the carbon fiber cloth after soaking, washing the carbon fiber cloth with deionized water, and drying to obtain the photocatalytic carbon fiber cloth.
3. The small-sized sewage heterotopic ecological restoration system according to claim 1, wherein the application method of the restoration system comprises the following steps:
(1) building a restoration pond near a water area to be treated, introducing water area sewage into a sedimentation tank through a water pump, adding a flocculating agent for flocculation and sedimentation, and separating the water body and sludge;
(2) the water body is filtered by a filter tank and then enters a sewage degradation tank for degradation;
(3) and carrying out composting fermentation treatment on the sludge.
4. The small-sized ectopic ecological restoration system for sewage water according to claim 3, wherein the composting fermentation treatment is specifically as follows:
dehydrating the sludge to obtain dehydrated sludge with the water content of 60-75% and the organic matter dry basis content of 25-50%, and adding a conditioner for mixing, wherein the weight ratio of the conditioner to the dehydrated sludge is (3-8): 10, adjusting the carbon-nitrogen ratio to 25-35 to obtain a mixed material, adding the composite microbial inoculum A according to 1-5% of the mass of the mixed material, fully mixing, and then performing stacking fermentation, wherein the stacking height is 0.4-1.0m, and the ventilation quantity is kept at 0.05-1.00m3/min·m3When the core temperature of the fermentation pile rises to 45-55 ℃, spreading a layer of composite microbial inoculum B on the surface of the fermentation pile, and continuously piling until the temperature of the fermentation pile is consistent with the ambient temperature to finish the compost fermentation of the sludge;
wherein, the conditioner consists of corn straws, wood chips and an ammonia nitrogen absorbent.
5. The system for ectopic ecological restoration of small-sized sewage according to claim 4, wherein the composite microbial inoculum A is one or more of bacillus subtilis, bacillus licheniformis and pseudomonas aeruginosa, and the composite microbial inoculum B is one or more of paracoccus denitrificans, azotobacter chroococcum and trichoderma viride.
6. The small-sized ectopic ecological restoration system for sewage according to claim 4, wherein the preparation method of ammonia nitrogen absorbent comprises the following steps:
respectively weighing biphenyl-3, 3',5,5' -tetracarboxylic acid and aluminum trichloride, dissolving the biphenyl-3, 3',5,5' -tetracarboxylic acid and aluminum trichloride in 1-2 wt.% hydrochloric acid solution to obtain solution B, transferring the solution B into a high-pressure reaction kettle with a polytetrafluoroethylene lining for hydrothermal reaction at 200-210 ℃, carrying out heat preservation reaction for 60-72h under autogenous pressure, cooling after the reaction is finished, separating white precipitate, washing with deionized water, and carrying out vacuum drying to obtain the ammonia nitrogen absorbent.
7. The small-sized ectopic ecological restoration system for sewage according to claim 4, wherein the preparation method of ammonia nitrogen absorbent comprises the following steps:
(1) crushing dried plant biomass, heating to 700-800 ℃ in a protective atmosphere, carrying out heat preservation treatment for 2h, cooling to obtain biochar, and mixing the biochar with graphene oxide according to a weight ratio of 10: (0.5-2), heating to 400 ℃ at a heating rate of 10-20 ℃/min under a protective atmosphere, carrying out thermal insulation pyrolysis for 4h, carrying out self-cooling to room temperature, and washing with deionized water to be neutral to obtain modified biochar;
(2) dispersing the modified biochar in a mixed solution of concentrated nitric acid and concentrated sulfuric acid according to a liquid-material ratio of 5-10ml/g, filtering out a precipitate after stirring and reacting for 1-4h, washing the precipitate to neutrality by deionized water, dispersing the precipitate in a 10mol/L sodium hydroxide solution again, filtering out the precipitate after stirring and reacting for 1-2h, washing the precipitate to neutrality by deionized water, dispersing the precipitate in a 20% hydrogen peroxide solution according to a liquid-material ratio of 3-4ml/g, filtering out the precipitate after stirring and reacting for 1-2h, washing the precipitate to neutrality by deionized water, and drying to obtain the ammonia nitrogen absorbent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111041784.9A CN113788573A (en) | 2021-09-07 | 2021-09-07 | Small-size heterotopic ecological remediation system of sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111041784.9A CN113788573A (en) | 2021-09-07 | 2021-09-07 | Small-size heterotopic ecological remediation system of sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113788573A true CN113788573A (en) | 2021-12-14 |
Family
ID=78879640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111041784.9A Pending CN113788573A (en) | 2021-09-07 | 2021-09-07 | Small-size heterotopic ecological remediation system of sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113788573A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909521A (en) * | 2015-06-22 | 2015-09-16 | 张萍 | Domestic sewage treatment method |
| CN108101314A (en) * | 2018-01-10 | 2018-06-01 | 福建省致青生态环保有限公司 | A kind of comprehensive treatment Application way of livestock breeding wastewater |
| CN109569514A (en) * | 2018-12-24 | 2019-04-05 | 扬州市职业大学 | A kind of biological carbon materials and its application that graphene oxide is modified |
| CN110064434A (en) * | 2019-03-21 | 2019-07-30 | 天津工业大学 | The preparation method of intrinsic photocatalysis doughnut |
| CN110841661A (en) * | 2019-11-28 | 2020-02-28 | 福建农林大学 | Preparation method and application of 1T-2H molybdenum disulfide @ cadmium sulfide composite nanomaterial |
-
2021
- 2021-09-07 CN CN202111041784.9A patent/CN113788573A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909521A (en) * | 2015-06-22 | 2015-09-16 | 张萍 | Domestic sewage treatment method |
| CN108101314A (en) * | 2018-01-10 | 2018-06-01 | 福建省致青生态环保有限公司 | A kind of comprehensive treatment Application way of livestock breeding wastewater |
| CN109569514A (en) * | 2018-12-24 | 2019-04-05 | 扬州市职业大学 | A kind of biological carbon materials and its application that graphene oxide is modified |
| CN110064434A (en) * | 2019-03-21 | 2019-07-30 | 天津工业大学 | The preparation method of intrinsic photocatalysis doughnut |
| CN110841661A (en) * | 2019-11-28 | 2020-02-28 | 福建农林大学 | Preparation method and application of 1T-2H molybdenum disulfide @ cadmium sulfide composite nanomaterial |
Non-Patent Citations (2)
| Title |
|---|
| SIHAI YANG等: ""Selectivity and direct visualization of carbon dioxide and sulfur dioxide in a decorated porous host"", 《NATURE CHEMISTRY》 * |
| YAN ZHANG等: ""Synthesis of MoS2/CdS heterostructures on carbon-fiber cloth as filter-membrane-shaped photocatalyst for purifying the flowing wastewater under visible-light illumination"", 《CHEMCATCHEM》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102010109B (en) | Application of bio-enzyme catalysis in residual sludge treatment | |
| CN106565058A (en) | Stockyard sewage treatment technology | |
| CN104193126A (en) | Ecological substrate for hard-substrate shallow lake as well as preparation method for ecological substrate and substrate improving method | |
| CN110668556B (en) | Visible light catalysis coupling bioelectrochemical wetland system and application thereof | |
| CN101294168A (en) | Method for preparing biogas by mixed fermentation of sludge and straw raw materials | |
| CN107352738A (en) | The composite artificial ecological bed waste water treatment system and method for a kind of intensified denitrification and dephosphorization | |
| CN106915867B (en) | Culture wastewater biochemical treatment system and preparation method and application of treatment by-product thereof | |
| CN107032501B (en) | Method and facility for simulating ecological purification of eutrophic river water | |
| CN101439914A (en) | Neutralization-free furfural wastewater biochemical treatment process | |
| CN117185492A (en) | Organic pollutant removing method based on algae-bacteria symbiotic system | |
| CN116062891A (en) | Sectional type A 2 Combined sludge resource utilization system for O sewage treatment | |
| CN113151120B (en) | Sulfur oxidizing bacteria and uses thereof | |
| CN211734215U (en) | Garbage compost energy saving and consumption reduction and waste gas zero discharge system based on zero discharge framework | |
| CN114105290A (en) | Preparation method and application of modified blue algae biochar loaded nano zero-valent iron material | |
| CN209537241U (en) | A kind of culturing wastewater processing system | |
| CN109097352A (en) | A kind of cobalt aluminium layered double hydroxide and microorganism couple the preparation method and applications of purification hexadecane hydrocarbon system | |
| CN113788573A (en) | Small-size heterotopic ecological remediation system of sewage | |
| CN2550047Y (en) | Air purifier for artificial wet land plant bed | |
| CN106316690A (en) | Method for produce liquid organic fertilizer with starch wastewater to improve saline and alkaline land | |
| CN206570177U (en) | The processing unit of the high saliferous high chroma sewage of high concentration | |
| CN110510813A (en) | A kind of processing method of nitrogen-containing heterocycle compound wastewater from chemical industry | |
| CN202499759U (en) | Anaerobic hydrolysis system for treating wastewater difficult to degrade biochemically | |
| CN101935103A (en) | Method for culturing aerobic granular sludge for degrading chlorophenol by using 2,4-dichlorphenoxyacetic acid as substituted carbon source | |
| CN202156954U (en) | Gas-liquid two-phase biological deodorization device using biological trickling filtering and activated carbon biological filtering | |
| CN101348308B (en) | Novel town sewerage mixed treatment process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211214 |