CN110342724A - A kind of high-concentration industrial organic waste water zero-discharge treatment system and its technique - Google Patents
A kind of high-concentration industrial organic waste water zero-discharge treatment system and its technique Download PDFInfo
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- CN110342724A CN110342724A CN201910750651.5A CN201910750651A CN110342724A CN 110342724 A CN110342724 A CN 110342724A CN 201910750651 A CN201910750651 A CN 201910750651A CN 110342724 A CN110342724 A CN 110342724A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 195
- 208000028659 discharge Diseases 0.000 title claims abstract description 20
- 239000010815 organic waste Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 111
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 75
- 238000001728 nano-filtration Methods 0.000 claims abstract description 63
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 44
- 239000010802 sludge Substances 0.000 claims abstract description 43
- 230000003647 oxidation Effects 0.000 claims abstract description 35
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 35
- 230000003197 catalytic effect Effects 0.000 claims abstract description 28
- 238000001704 evaporation Methods 0.000 claims abstract description 21
- 230000008020 evaporation Effects 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 42
- 239000003054 catalyst Substances 0.000 claims description 26
- 239000002351 wastewater Substances 0.000 claims description 24
- 239000004408 titanium dioxide Substances 0.000 claims description 21
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 239000004793 Polystyrene Substances 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 10
- 229920002223 polystyrene Polymers 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 9
- 239000002105 nanoparticle Substances 0.000 claims description 9
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 9
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 9
- 229940056319 ferrosoferric oxide Drugs 0.000 claims description 8
- 229910021389 graphene Inorganic materials 0.000 claims description 8
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 claims description 8
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 8
- 239000007800 oxidant agent Substances 0.000 claims description 8
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 8
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 238000006555 catalytic reaction Methods 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 6
- 239000005416 organic matter Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 5
- 230000001112 coagulating effect Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 claims description 4
- 231100000719 pollutant Toxicity 0.000 claims description 4
- 238000007781 pre-processing Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000010419 fine particle Substances 0.000 claims description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 3
- 238000010525 oxidative degradation reaction Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000002957 persistent organic pollutant Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 150000003384 small molecules Chemical class 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000003403 water pollutant Substances 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 238000002242 deionisation method Methods 0.000 claims 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000012466 permeate Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002077 nanosphere Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
-
- 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
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of high-concentration industrial organic waste water zero-discharge treatment system and its technique, which includes pretreatment system, magnetic catalytic oxidation system, ultrafiltration membrane system, nanofiltration membrane system soften membranous system, two-stage high pressure reverse osmosis membrane system, evaporation concentration system, sludge treating system；Raw water pump is arranged in the input terminal of pretreatment system, the input terminal of raw water pump connects raw water box, one end connection sludge treating system of the output end of pretreatment system, the other end of the output end of pretreatment system connect magnetic catalytic oxidation system, set gradually sour dosing mouth and hydrogen peroxide dosing mouth on the pipeline between the other end of the output end of the pretreatment system and the input terminal of magnetic catalytic oxidation system；The output end of magnetic catalytic oxidation system connects ultrafiltration membrane system, and the production water end (W.E.) of ultrafiltration membrane system is sequentially arranged ultrafiltration water producing tank, booster pump, filter, high-pressure pump, and the concentrated water end of ultrafiltration membrane system is connected to raw water box；The output end of high-pressure pump connects nanofiltration membrane system.
Description
Technical field
The invention belongs to high-concentration industrial organic waste water processing technology fields, and it is organic to be specifically related to a kind of high-concentration industrial
Wastewater zero-discharge treatment system and its technique.
Technical background
High concentrated organic wastewater mainly has the following characteristics that first is that organic concentration is high, and COD (COD) generally exists
5000mg/L or more, some are even as high as tens of thousands of or even hundreds of thousands milligrams per liter, and in contrast, biochemical oxygen demand (BOD) (BOD) is lower,
Biodegradability is poor；Second is that Pollutants in Wastewater complicated component, gives up Organic substance in water containing toxicant with aromatic compound
Object and heterocyclic compound are in the majority, more to contain sulfide, nitride, heavy metal and toxic organic compound；Third is that coloration is high, have different
Taste, some waste water give out pungent stench, cause adverse effect to ambient enviroment；Fourth is that having strong acid and strong base.
Due to the These characteristics of high concentrated organic wastewater, existing high-concentration industrial organic waste water processing will reach basic zero
Discharge is difficult to complete, and it is cumbersome and process is complicated and difficulty is also larger to be not only the usual structure of system used.
Summary of the invention
The present invention provides a kind of high-concentration industrial organic waste water zero-discharge treatment system and its technique, system structure are simply real
With and efficiently；Process flow is simple, high-efficient, effect is good.
In order to solve the above technical problems, the technical solution of system provided by the invention are as follows: a kind of high-concentration industrial organic waste
Water zero discharge processing system, including pretreatment system, magnetic catalytic oxidation system, ultrafiltration membrane system, nanofiltration membrane system soften membrane system
System, two-stage high pressure reverse osmosis membrane system, evaporation concentration system, sludge treating system；
The input terminal of pretreatment system is arranged raw water pump, and the input terminal of raw water pump connects raw water box, pretreatment system it is defeated
One end connection sludge treating system of outlet, the other end of the output end of pretreatment system connect magnetic catalytic oxidation system, this is pre-
Sour dosing mouth is set gradually on pipeline between the other end of the output end of processing system and the input terminal of magnetic catalytic oxidation system
With hydrogen peroxide dosing mouth；The output end of magnetic catalytic oxidation system connects ultrafiltration membrane system, the production water end (W.E.) of ultrafiltration membrane system successively cloth
Ultrafiltration water producing tank, booster pump, filter, high-pressure pump are set, the concentrated water end of ultrafiltration membrane system is connected to raw water box；The output of high-pressure pump
End connection nanofiltration membrane system；The concentrated water end setting nanofiltration for producing water end (W.E.) setting nanofiltration water producing tank, nanofiltration membrane system of nanofiltration membrane system
Concentrated water case；High-pressure pump again is arranged in the output end of nanofiltration water producing tank, and the output end setting two-stage high pressure of high-pressure pump is reverse osmosis again
Membranous system；
Intake pump, the output end setting softening membranous system of intake pump is arranged in the output end of nanofiltration concentrated water case；Soften membranous system
Output end one end be produce water end (W.E.), soften membranous system production water end (W.E.) setting softening water producing tank, soften the output end of membranous system
The other end connects sludge treating system；The output end for softening water producing tank connects evaporation concentration system；Evaporation concentration system output end
One end connect sludge treating system, evaporation concentration system output end the other end setting evaporative condenser waterpipe be connected to ultrafiltration
In water producing tank；
The two-stage high pressure reverse osmosis membrane system includes the first-stage reverse osmosis membranous system being sequentially arranged, two-pass reverse osmosis film
First-stage reverse osmosis concentrated water case, first-stage reverse osmosis membrane system is arranged in system between first-stage reverse osmosis membranous system, two-pass reverse osmosis membranous system
System, two-pass reverse osmosis membranous system production water end (W.E.) be all connected with reverse osmosis produced water tank, the concentrated water end of first-stage reverse osmosis membranous system is connected to
The concentrated water end of the input terminal of two-pass reverse osmosis membranous system, two-pass reverse osmosis membranous system is connected in nanofiltration water producing tank.
Further, the sludge treating system includes the sludge pump and sludge dehydration device being sequentially arranged.
Further, the catalyst in the magnetic catalytic oxidation system is a kind of the efficient of high concentrated organic wastewater processing
Catalyst, and the effective catalyst in the magnetic catalytic oxidation system is graininess, and catalysis oxidation column is loaded in the form of filler
It is interior.
Further, the pretreatment system is inclined plate coagulative precipitation device, magnetic-coagulation settler, multi-medium filtering
The combination of one or more of device, air-floating apparatus；Ultrafiltration membrane in the ultrafiltration membrane system be tubular membrane, hollow-fibre membrane,
One of plate membrane；Nanofiltration membrane in the nanofiltration membrane system is common rolling nanofiltration membrane, in rolling high pressure nanofiltration membrane
It is a kind of；First-stage reverse osmosis film in the two-stage high pressure reverse osmosis membrane system is that common coiled reverse osmosis membrane, high pressure rolling are anti-
One of permeable membrane (STRO) and disc tube reverse osmosis (dt-ro) film (DTRO), two-pass reverse osmosis film are that coiled reverse osmosis membrane is either general
One of logical coiled reverse osmosis membrane, high pressure coiled reverse osmosis membrane (STRO) and disc tube reverse osmosis (dt-ro) film (DTRO)；Described is soft
The softening film for changing membranous system is one of inorganic tubular type softening film and organic tubular type softening film, filtering accuracy 30-50nm；
The evaporation concentration system is the combination of one or both of MVR evaporator, membrane distillation.
Further, the sludge dehydration device be plate and frame filter press, belt filter press, spiral sludge dewatering machine,
One of centrifuge.
Further, the effective catalyst includes following mass component raw material: 40-50 parts of silicon carbide, four oxidations
10-20 parts of three-iron, 10-20 parts of titanium dioxide, 5-10 parts of zirconium oxide, 1-5 parts of cerium oxide, 0.5-2.0 parts of graphene, polystyrene
0.2-1 parts of nanosphere, 5-10 parts of iron chloride, 50-100 parts of deionized water.
Preparation method is as follows, comprising the following steps:
(1) prepare raw material: taking mass component: 40-50 parts of silicon carbide, 10-20 parts of ferroso-ferric oxide, titanium dioxide 10-20
Part, 5-10 parts of zirconium oxide, 1-5 parts of cerium oxide, 0.5-2.0 parts of graphene, 0.2-1 parts of Properties of Polystyrene Nano Particles, iron chloride 5-
10 parts, 50-100 parts of deionized water are wherein divided into 30-60 parts and second part of first part of deionized water for deionized water 50-100 parts
20-40 parts of ionized water；
(2) first part of deionized water and titanium dioxide is taken to configure titanium dioxide slurries, adjusting pH is 3.0-3.5, then will
FeCl3Solution is added in the slurries of titanium dioxide, is formed and is coated in titanium dioxide surface, and washing filtering is spare；
(3) silicon carbide, ferroso-ferric oxide, zirconium oxide, cerium oxide, graphene, Properties of Polystyrene Nano Particles, second part are gone
Titanium dioxide after ionized water and cladding is configured to slurry in proportion；
(4) it will carry out high speed dispersion 1-3h with the slurry that postpones, be heat-treated after washing filtering at 400-600 DEG C,
Then it is being higher than 800 DEG C of temperature calcination, is finally crushing and obtain catalyst.
A kind of technical solution of technique provided by the invention are as follows: place of high-concentration industrial organic waste water zero-discharge treatment system
Science and engineering skill, includes the following steps:
(1) it firstly, high concentrated organic wastewater is collected into former pond, by raw water box, is driven into using raw water pump pre-
Processing system is pre-processed, and the sludge for pre-processing generation enters directly into sludge treating system, to remove oil removal, bulky grain
The pollutants such as impurity；
(2) secondly, pretreated water enters magnetic catalytic oxidation system, add acid for adjusting pH, and oxidant is added, it is acid
Under the conditions of, organic matter under the collective effect of oxidant and catalyst, by the indexs such as hardly degraded organic substance, ammonia nitrogen in waste water into
Row oxidative degradation is decomposed into carbon dioxide and water, efficiently removes water pollutant；
(3) water is produced after magnetic catalytic oxidation system catalysis oxidation enters ultrafiltration membrane system progress purified treatment, removal
The insoluble matters such as fine particle in water, a small amount of ultrafiltration concentrated water return to raw water box, into raw water box into former pond circular treatment, surpass
Filter produces water and enters in ultrafiltration water producing tank；
(4) after ultrafiltration produces water using booster pump, filter and high-pressure pump, nanofiltration membrane system, nanofiltration membrane system are entered
Nanofiltration membrane in waste water organic matter and inorganic salts separate, nanofiltration concentrated water enters nanofiltration concentrated water case, nanofiltration produce water into
Enter to nanofiltration water producing tank；
(5) nanofiltration produces water and enters two-stage high pressure reverse osmosis membrane system by high-pressure pump again, further removes in waste water
Salinity, dissolubility small molecule organic pollutant and other impurities, it is dense that two-stage high pressure reverse osmosis membrane system concentrated water enters nanofiltration
It in water tank, produces water and enters reverse osmosis produced water tank, producing water by reverse osmosis produced water tank can be back to use in production；
(6) nanofiltration concentrated water enters softening membranous system processing by intake pump and is produced with removing the calcium and magnesium ion in concentrated water
Water enters softening water producing tank；
(7) water in softening water producing tank enters evaporation concentration system and is evaporated concentration, and solid salinity and sludge are together
Outward transport is handled after sludge dewatering, and condensate evaporation enters in ultrafiltration water producing tank, and merging is handled, and is with step (4)
Beginning is recycled.
Further, the oxidant in step (2) is hydrogen peroxide.
Technical effect of the invention: system structure is simple and practical and efficient；Process flow is simple, high-efficient, effect is good.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high-concentration industrial organic waste water zero-discharge treatment system of the invention；
Fig. 2 is the enlarged drawing of the top half structure of Fig. 1；
Fig. 3 is the enlarged drawing of the lower half portion structure of Fig. 1.
Specific embodiment
Invention is described further below by way of specific embodiment.The specific embodiments described herein are only with solution
Invention is released, is not intended to limit the scope of protection of the present invention.
Referring to attached drawing, a kind of high-concentration industrial organic waste water zero-discharge treatment system disclosed by the invention, the system is main
Including pretreatment system 10, sludge treating system 60, magnetic catalytic oxidation system 20, ultrafiltration membrane system 80, nanofiltration membrane system 30, two
Grade high pressure reverse osmosis membrane system 70, evaporation concentration system 50.Wherein 10 input terminal of pretreatment system is connected with raw water pump 11, pre- to locate
The sludge that reason generates enters directly into sludge treating system 60；Outward transport is handled after the sludge dewatering that sludge treating system 60 generates；
20 input terminal of magnetic catalytic oxidation system is connected with the outlet of pretreatment system 10, and waste water carries out before entering magnetic catalytic oxidation system 20
Sour dosing and hydrogen peroxide dosing, the interior height for high concentrated organic wastewater processing using independent research of magnetic catalytic oxidation system 20
Imitate catalyst；Magnetic catalytic oxidation system 20 produces water and is connected with ultrafiltration membrane system 80；Ultrafiltration membrane system 80 again with nanofiltration membrane system 30
It is connected, 30 dope of nanofiltration membrane system (i.e. concentrated water) enters that softening membranous system 40, that permeate (i.e. production water) enters two-stage high pressure is anti-
Permeate membranous system 70；70 dope (i.e. concentrated water) of two-stage high pressure reverse osmosis membrane system enters softening membranous system 40, permeate (produces
Water) production pond (first passing through reverse osmosis produced water tank 73) is collected into for producing reuse；Soften membranous system 40 and evaporation concentration system
50 are connected, and the solid waste that evaporation concentration system 50 generates is handled by 60 outward transport of sludge treating system.Present system is logical
It crosses using a variety for the treatment of process combinations such as pretreatment, effective catalyst, membrane separation technique, is capable of handling various high concentrations, with high salt
Divide, organic wastewater with difficult degradation thereby, by reuse up to standard after high concentrated organic wastewater advanced treating, realizes zero-emission.
It is specific:
A kind of high-concentration industrial organic waste water zero-discharge treatment system of the invention mainly includes pretreatment system 10, dirty
Mud treatment system 60, magnetic catalytic oxidation system 20, ultrafiltration membrane system 80, nanofiltration membrane system 30, two-stage high pressure reverse osmosis membrane system
70, evaporation concentration system 50.
The pretreatment system 10 is inclined plate coagulative precipitation device, magnetic-coagulation settler, more medium filter, air bearing
The combination of one or more of device.
The sludge treating system 60 contains sludge pump and sludge dehydration device 61.
The sludge dehydration device 61 be plate and frame filter press, belt filter press, spiral sludge dewatering machine, in centrifuge
It is a kind of.
Catalyst in the magnetic catalytic oxidation system 20 is that a kind of high concentrated organic wastewater of independent research is handled
Effective catalyst.And the catalyst in the magnetic catalytic oxidation system 20 is graininess, and catalysis oxidation is loaded in the form of filler
In column.
Ultrafiltration membrane in the ultrafiltration membrane system 80 can be one of tubular membrane, hollow-fibre membrane, plate membrane.
Nanofiltration membrane in the nanofiltration membrane system 30 can be common rolling nanofiltration membrane, one in rolling high pressure nanofiltration membrane
Kind.
First-stage reverse osmosis film 71 in the two-stage high pressure reverse osmosis membrane system 70 can be common coiled reverse osmosis membrane,
One of high pressure coiled reverse osmosis membrane (STRO) and disc tube reverse osmosis (dt-ro) film (DTRO), two-pass reverse osmosis film 72 can be rolling
Reverse osmosis membrane is also possible to common coiled reverse osmosis membrane, high pressure coiled reverse osmosis membrane (STRO) and disc tube reverse osmosis (dt-ro) film (DTRO)
One of.
The softening film of the softening membranous system 40 is that inorganic tubular type softening film and organic tubular type soften one of film,
Filtering accuracy is 30-50nm.
The evaporation concentration system 50 is one of MVR (mechanical steam recompression technology) evaporator, membrane distillation
Or two kinds of combinations.
The effective catalyst (abbreviation effective catalyst or catalyst) of above-mentioned high concentrated organic wastewater processing is as follows:
The effective catalyst of the high concentrated organic wastewater processing, entire catalyst includes following mass component raw material:
40-50 parts of silicon carbide, 10-20 parts of ferroso-ferric oxide, 10-20 parts of titanium dioxide, 5-10 parts of zirconium oxide, 1-5 parts of cerium oxide, graphite
0.5-2.0 parts of alkene, 0.2-1 parts of Properties of Polystyrene Nano Particles, 5-10 parts of iron chloride, 50-100 parts of deionized water.
Preparation method is as follows, comprising the following steps:
(1) prepare raw material: taking mass component: 40-50 parts of silicon carbide, 10-20 parts of ferroso-ferric oxide, titanium dioxide 10-20
Part, 5-10 parts of zirconium oxide, 1-5 parts of cerium oxide, 0.5-2.0 parts of graphene, 0.2-1 parts of Properties of Polystyrene Nano Particles, iron chloride 5-
10 parts, 50-100 parts of deionized water are wherein divided into 30-60 parts and second part of first part of deionized water for deionized water 50-100 parts
20-40 parts of ionized water；
(2) first part of deionized water and titanium dioxide is taken to configure titanium dioxide slurries, adjusting pH is 3.0-3.5, then will
FeCl3Solution is added in the slurries of titanium dioxide, is formed and is coated in titanium dioxide surface, and washing filtering is spare；
(3) silicon carbide, ferroso-ferric oxide, zirconium oxide, cerium oxide, graphene, Properties of Polystyrene Nano Particles, second part are gone
Titanium dioxide after ionized water and cladding is configured to slurry in proportion；
(4) it will carry out high speed dispersion 1-3h with the slurry that postpones, be heat-treated after washing filtering at 400-600 DEG C,
Then it is being higher than 800 DEG C of temperature calcination, is finally crushing and obtain catalyst.
Further, the partial size of the Properties of Polystyrene Nano Particles is 5 to 50nm.
It further, is by being increased temperature from room temperature with the rate of about 5 DEG C/min to about 10 DEG C/min in step (4)
The heat treatment, heat treatment time 2-4h are carried out to 400-600 DEG C.
Further, it is being higher than 800 DEG C of temperature calcination described in step (4), is being the state in logical argon gas or nitrogen
Lower calcining 2-4h.
Further, crushing described in step (4) is crushed using Raymond mill or airflow milling.
Further, the partial size for obtaining catalyst is crushed in step (4) at 50-1000 μm.
A kind of high-concentration industrial organic waste water Zero-discharge treating process of the invention: include the following steps:
(1) it firstly, high concentrated organic wastewater is collected into former pond, by raw water box 12, is squeezed into using raw water pump 11
To pretreatment system 10, (pretreatment system is inclined plate coagulative precipitation device, magnetic-coagulation settler, multi-medium filtering
One of device, air-floating apparatus) it is pre-processed, the sludge for pre-processing generation enters directly into sludge treating system 60, to go
The pollutants such as oil removal, large granular impurity guarantee clarification of water out, in order to avoid pollute subsequent catalyst；
(2) secondly, pretreated water enters magnetic catalytic oxidation system 20, add acid for adjusting pH, and it is (double that oxidant is added
Oxygen water), under acid condition, organic matter is under the collective effect of oxidant and catalyst, by hardly degraded organic substance, the ammonia in waste water
The indexs such as nitrogen carry out oxidative degradation, are decomposed into carbon dioxide and water, efficiently remove water pollutant；
(3) water is produced after 20 catalysis oxidation of magnetic catalytic oxidation system enters the progress purified treatment of ultrafiltration membrane system 80,
The insoluble matters such as fine particle in water removal are removed, a small amount of (ultrafiltration) concentrated water returns to raw water box 12, into raw water box 12 into former pond
Circular treatment, (ultrafiltration) produce water and enter in ultrafiltration water producing tank 81；
(4) after ultrafiltration produces water using booster pump 82, filter 83 and high-pressure pump 84, nanofiltration membrane system 30 is entered, is received
The nanofiltration membrane of filter membrane system 30 in waste water organic matter and inorganic salts separate, (nanofiltration) concentrated water enters nanofiltration concentrated water case
31, (nanofiltration) produces water and enters nanofiltration water producing tank 32；
(5) (nanofiltration) produces water and enters (including the successively cloth of two-stage high pressure reverse osmosis membrane system 70 by high-pressure pump 33 again
The firsts and seconds reverse osmosis membrane 71 set, 72), further removes salinity, the dissolubility small molecule organic pollutant etc. in waste water
Other impurities, 70 concentrated water of two-stage high pressure reverse osmosis membrane system enter in nanofiltration concentrated water case 31, produce water and enter reverse osmosis produced water
Case 73, producing water by reverse osmosis produced water tank 73 can be back to use in production.
(6) (nanofiltration) concentrated water by intake pump 34 enter softening membranous system 40 handle, with remove the calcium in concentrated water, magnesium from
Son produces water and enters softening water producing tank 41.
(7) water in softening water producing tank 41 enters evaporation concentration system 50 and is evaporated concentration, solid salinity and sludge
Outward transport is handled after sludge dewatering together, and condensate evaporation enters in ultrafiltration water producing tank 81, and merging is handled, with step
(4) it is recycled to begin.
The above is only a specific embodiment of the invention, it is noted that is come for those of ordinary skill in the art
It says, without departing from the principle of the present invention, several deformations can also be carried out to technical solution of the present invention or equally replaced
It changes, these also should be regarded as belonging to the scope of protection of the present invention.
Claims (8)
1. a kind of high-concentration industrial organic waste water zero-discharge treatment system, it is characterised in that: including pretreatment system (10), magnetic is urged
Change oxidative system (20), ultrafiltration membrane system (80), nanofiltration membrane system (30), softens membranous system (40), two-stage high pressure reverse osmosis membrane
System (70), evaporation concentration system (50), sludge treating system (60)；
Raw water pump (11) are arranged in the input terminal of pretreatment system (10), and the input terminal of raw water pump (11) connects raw water box (12), in advance
The output end of processing system (10) one end connection sludge treating system (60), pretreatment system (10) output end the other end
It connects magnetic catalytic oxidation system (20), the other end and magnetic catalytic oxidation system (20) of the output end of the pretreatment system (10)
Sour dosing mouth and hydrogen peroxide dosing mouth are set gradually on pipeline between input terminal；The output end of magnetic catalytic oxidation system (20) connects
It connects ultrafiltration membrane system (80), the production water end (W.E.) of ultrafiltration membrane system (80) is sequentially arranged ultrafiltration water producing tank (81), booster pump (82), filtering
Device (83), high-pressure pump (84), the concentrated water end of ultrafiltration membrane system (80) are connected to raw water box (12)；The output end of high-pressure pump (84) connects
It receives filter membrane system (30)；Nanofiltration membrane system (30) production water end (W.E.) setting nanofiltration water producing tank (32), nanofiltration membrane system (30) it is dense
Nanofiltration concentrated water case (31) are arranged in water end (W.E.)；High-pressure pump (33) again are arranged in the output end of nanofiltration water producing tank (32), again high-pressure pump
(33) two-stage high pressure reverse osmosis membrane system (70) are arranged in output end；
Intake pump (34) are arranged in the output end of nanofiltration concentrated water case (31), the output end setting softening membranous system of intake pump (34)
(40)；The one end for softening the output end of membranous system (40) is to produce water end (W.E.), and the production water end (W.E.) setting softening of softening membranous system (40) produces water
Case (41), the other end for softening the output end of membranous system (40) connect sludge treating system (60)；Soften the defeated of water producing tank (41)
Outlet connects evaporation concentration system (50)；One end of evaporation concentration system (50) output end connects sludge treating system (60), steams
The other end setting evaporative condenser waterpipe of hair concentration systems (50) output end is connected on ultrafiltration water producing tank (81)；
The two-stage high pressure reverse osmosis membrane system (70) includes first-stage reverse osmosis membranous system (71), the second level reverse osmosis being sequentially arranged
First-stage reverse osmosis concentrated water is arranged in membrane system (72) between first-stage reverse osmosis membranous system (71), two-pass reverse osmosis membranous system (72)
Case, first-stage reverse osmosis membranous system (71), two-pass reverse osmosis membranous system (72) production water end (W.E.) be all connected with reverse osmosis produced water tank (73), one
The concentrated water end of grade reverse osmosis membrane system (71) is connected to the input terminal of two-pass reverse osmosis membranous system (72), two-pass reverse osmosis membranous system
(72) concentrated water end is connected on nanofiltration water producing tank (32).
2. a kind of high-concentration industrial organic waste water zero-discharge treatment system according to claim 1, it is characterised in that: described
Sludge treating system (60) include the sludge pump being sequentially arranged and sludge dehydration device (61).
3. a kind of high-concentration industrial organic waste water zero-discharge treatment system according to claim 1, it is characterised in that: described
Magnetic catalytic oxidation system (20) in catalyst be a kind of high concentrated organic wastewater processing effective catalyst, and the magnetic be catalyzed
Effective catalyst in oxidative system (20) is graininess, is loaded in catalysis oxidation column in the form of filler.
4. a kind of high-concentration industrial organic waste water zero-discharge treatment system according to claim 1, it is characterised in that: described
Pretreatment system (10) be inclined plate coagulative precipitation device, magnetic-coagulation settler, more medium filter, one in air-floating apparatus
Kind or several combinations；Ultrafiltration membrane in the ultrafiltration membrane system (80) is tubular membrane, hollow-fibre membrane, one in plate membrane
Kind；Nanofiltration membrane in the nanofiltration membrane system (30) is one of common rolling nanofiltration membrane, rolling high pressure nanofiltration membrane；It is described
Two-stage high pressure reverse osmosis membrane system (70) in first-stage reverse osmosis film (71) be common coiled reverse osmosis membrane, high pressure rolling reverse osmosis
One of permeable membrane (STRO) and disc tube reverse osmosis (dt-ro) film (DTRO), two-pass reverse osmosis film (72) be coiled reverse osmosis membrane either
One of common coiled reverse osmosis membrane, high pressure coiled reverse osmosis membrane (STRO) and disc tube reverse osmosis (dt-ro) film (DTRO)；Described
The softening film of softening membranous system (40) is one of inorganic tubular type softening film and organic tubular type softening film, and filtering accuracy is
30-50nm；The evaporation concentration system (50) is the combination of one or both of MVR evaporator, membrane distillation.
5. a kind of high-concentration industrial organic waste water zero-discharge treatment system according to claim 2, it is characterised in that: described
Sludge dehydration device (61) be one of plate and frame filter press, belt filter press, spiral sludge dewatering machine, centrifuge.
6. a kind of high-concentration industrial organic waste water zero-discharge treatment system according to claim 3, it is characterised in that: described
Effective catalyst include following mass component raw material: 40-50 parts of silicon carbide, 10-20 parts of ferroso-ferric oxide, titanium dioxide 10-
20 parts, 5-10 parts of zirconium oxide, 1-5 parts of cerium oxide, 0.5-2.0 parts of graphene, 0.2-1 parts of Properties of Polystyrene Nano Particles, iron chloride
5-10 parts, 50-100 parts of deionized water.
Preparation method is as follows, comprising the following steps:
(1) prepare raw material: taking mass component: 40-50 parts of silicon carbide, 10-20 parts of ferroso-ferric oxide, 10-20 parts of titanium dioxide, oxygen
Change zirconium 5-10 parts, 1-5 parts of cerium oxide, 0.5-2.0 parts of graphene, 0.2-1 parts of Properties of Polystyrene Nano Particles, 5-10 parts of iron chloride,
50-100 parts of deionized water, wherein it is divided into 30-60 parts of first part of deionized water and second part of deionization for deionized water 50-100 parts
20-40 parts of water；
(2) first part of deionized water and titanium dioxide is taken to configure titanium dioxide slurries, adjusting pH is 3.0-3.5, then by FeCl3
Solution is added in the slurries of titanium dioxide, is formed and is coated in titanium dioxide surface, and washing filtering is spare；
(3) by silicon carbide, ferroso-ferric oxide, zirconium oxide, cerium oxide, graphene, Properties of Polystyrene Nano Particles, second part of deionization
Titanium dioxide after water and cladding is configured to slurry in proportion；
(4) it will carry out high speed dispersion 1-3h with the slurry that postpones, be heat-treated after washing filtering at 400-600 DEG C, then
It is being higher than 800 DEG C of temperature calcination, is finally crushing and obtain catalyst.
7. a kind for the treatment of process of high-concentration industrial organic waste water zero-discharge treatment system, which comprises the steps of:
(1) it firstly, high concentrated organic wastewater is collected into former pond, by raw water box (12), is squeezed into using raw water pump (11)
It is pre-processed to pretreatment system (10), the sludge for pre-processing generation enters directly into sludge treating system (60), with removal
The pollutants such as suspended matter, large granular impurity；
(2) secondly, pretreated water enters magnetic catalytic oxidation system (20), add acid for adjusting pH, and oxidant is added, it is acid
Under the conditions of, organic matter under the collective effect of oxidant and catalyst, by the indexs such as hardly degraded organic substance, ammonia nitrogen in waste water into
Row oxidative degradation is decomposed into carbon dioxide and water, efficiently removes water pollutant；
(3) water is produced after magnetic catalytic oxidation system (20) catalysis oxidation enters ultrafiltration membrane system (80) progress purified treatment,
Insoluble matters, a small amount of ultrafiltration concentrated water such as fine particle in water removal is gone to return to raw water box (12), into raw water box (12) to former pond
Middle circular treatment, ultrafiltration produce water and enter in ultrafiltration water producing tank (81)；
(4) after ultrafiltration produces water using booster pump (82), filter (83) and high-pressure pump (84), nanofiltration membrane system is entered
(30), the nanofiltration membrane of nanofiltration membrane system (30) in waste water organic matter and inorganic salts separate, nanofiltration concentrated water, which enters, to be received
It filters concentrated water case (31), nanofiltration produces water and enters nanofiltration water producing tank (32)；
(5) nanofiltration produces water and enters two-stage high pressure reverse osmosis membrane system (70) by high-pressure pump (33) again, and further removing is useless
Salinity, dissolubility small molecule organic pollutant in water and other impurities, two-stage high pressure reverse osmosis membrane system (70) concentrated water enter
Into nanofiltration concentrated water case (31), produces water and enter reverse osmosis produced water tank (73), producing water by reverse osmosis produced water tank (73) can be with reuse
Into production；
(6) nanofiltration concentrated water by intake pump (34) enter softening membranous system (40) processing, with remove the calcium in concentrated water, magnesium from
Son produces water and enters softening water producing tank (41)；
(7) water in softening water producing tank (41) enters evaporation concentration system (50) and is evaporated concentration, solid salinity and sludge
Outward transport is handled after sludge dewatering together, and condensate evaporation enters in ultrafiltration water producing tank (81), and merging is handled, with step
Suddenly (4) are to begin to be recycled.
8. a kind for the treatment of process of high-concentration industrial organic waste water zero-discharge treatment system according to claim 7, special
Sign is that the oxidant in step (2) is hydrogen peroxide.
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