CN102311186A - Circulative reclamation processing system and processing technology of weaving jet wastewater - Google Patents
Circulative reclamation processing system and processing technology of weaving jet wastewater Download PDFInfo
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- CN102311186A CN102311186A CN201110103299A CN201110103299A CN102311186A CN 102311186 A CN102311186 A CN 102311186A CN 201110103299 A CN201110103299 A CN 201110103299A CN 201110103299 A CN201110103299 A CN 201110103299A CN 102311186 A CN102311186 A CN 102311186A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 65
- 238000005516 engineering process Methods 0.000 title abstract description 9
- 238000009941 weaving Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000005188 flotation Methods 0.000 claims abstract description 43
- 239000010802 sludge Substances 0.000 claims abstract description 33
- 239000010865 sewage Substances 0.000 claims abstract description 24
- 238000004062 sedimentation Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 30
- 239000012535 impurity Substances 0.000 claims description 26
- 238000001556 precipitation Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000001112 coagulating effect Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims description 2
- 239000013043 chemical agent Substances 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 34
- 238000002266 amputation Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005354 coacervation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000011440 grout 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
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010784 textile waste Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a circulative reclamation processing system and processing technology of weaving jet wastewater. The processing system comprises a sewage tank, an oil-removal adjusting tank, an inclined pipe sedimentation tank used for primary sedimentation, a floatation tank used for wastewater flotation, an adsorption sedimentation tank used for secondary sedimentation, a combined water purifier and a clean water tank, wherein the floatation tank is connected with an air dissolving mechanism for providing dissolved-air water for the floatation tank. The processing system also comprises a chemical agent feeder and a sludge tank, wherein the chemical agent feeder provides a coagulation agent for the inclined pipe sedimentation tank and the floatation tank, and the sludge tank is connected with the inclined pipe sedimentation tank, the floatation tank and the absorption sedimentation tank by a sludge discharging device. The system has the advantages of reasonable framework, small power consumption and low cost, and water quality after weaving jet wastewater processing can achieve the standard of reused water quality.
Description
Technical field
The present invention relates to a kind of being used for weaves system and the technology thereof that water cycle reuse quality standard was handled and reached to organic waste water to water spray, belongs to the textile waste processing technology field.
Background technology
Because the lasting deterioration that industrialization development brings water surrounding; The shortage day by day of water resources makes country to environment-friendly water-saving problem pay attention to day by day; The wastewater treatment emission standard has generally been improved in printing and dyeing processing industry area of concentration, northern part water-deficient area such as Jiangsu and Zhejiang Provinces, Guangdong one band at present; The wastewater displacement of printing and dyeing enterprise is also carried out the strictness restriction, and water intaking resource expense, fee of sewage discharge also begin significantly to promote.The raising of environmental requirement has made the production capacity expansion of some areas printing and dyeing enterprise be faced with serious threat; Therefore; How to effectively re-use and how to adopt the water treatment new technology constantly to promote security and the economy of utilizing again, will become the lifeline of enterprise development water resources.
Weaving machine with water spraying is textile industry a kind of machine commonly used; When work, need certain clear water to spray and drive, in the waste water of this equipment exhausting; Mainly including grease, jelly, suspended particle, chemical grout, heavy metal and organism etc., is one of more unmanageable trade effluent.The following technology of the many employings of existing textile enterprise: earlier sewage is passed through coarse rack, arrive water collecting basin again, deliver to settling pit, arrive settling tank again through promoting, through the aeration tank, settling tank, the sewage after the emission treatment, this processing is called second-stage treatment; But second-stage treatment does not generally all reach middle quality standard, need be for further processing usually, and will set up middle pond, lift pump room, clean water basin, back flushing pump house, complex process, investment height, and energy consumption is big, and cost is high.
Summary of the invention
Problem to be solved by this invention just provides a kind of spray and knits waste water circulation treatment system and treatment process thereof, and system architecture is reasonable, power consumption is few, cost is low, and the water quality that spray is knitted after the wastewater treatment can reach the reuse water quality standard.
For solving the problems of the technologies described above; The present invention adopts following technical scheme: the waste water circulation treatment system is knitted in a kind of spray, it is characterized in that: comprise sewage lagoon, the oil removal equalizing tank, the tube settler that is used for primary sedimentation, the air flotation pool that is used for the waste water flotation, the adsorption precipitation pond that is used for secondary sedimentation, combined water purifying device and the clean water basin that connect successively; Be connected with molten mechanism of qi structure on the said air flotation pool and dissolved air water be provided for it; Also include chemicals dosing plant and be the sludge sump that tube settler and air flotation pool provide coagulated agent, are connected through mud discharging device with said tube settler, air flotation pool, adsorption precipitation pond.
Further, the pond body in said tube settler, air flotation pool and adsorption precipitation pond is positioned on the ground, and the pond body of said sewage lagoon, oil removal equalizing tank and clean water basin is positioned at underground and supports with beam column, is provided with lift pump between oil removal equalizing tank and tube settler.Adopt two-layer three-dimensional structure up and down, reduced land area.
Further; Said molten mechanism of qi structure comprises dissolving, be connected with on the said dissolving be used for part air supporting water outlet squeeze into dissolving air dissolved pump, be used for that pressurized air is squeezed into dissolving and form the air compressor machine of dissolved air water and the reliever that is used for dissolved air water is released into air flotation pool.In air flotation pool, the dissolved air water of release with contact through the dosing reacted wastewater, material such as solvability oil impurities, suspended impurity and bubble adhere to each other and form proportion less than 1 flco in the water, and float on liquid level, are regularly entered in the sludge sump by mud discharging device.
Further, be provided with barrier apparatus between said sewage lagoon and oil removal equalizing tank.Be used for the amputation spray and knit the macrobead suspended impurity of waste water.
Further, be connected with oil sump on the said oil removal equalizing tank, collect the oil of separating, reproducible utilization also can be used as general fuel oil and uses.
Further, said clean water basin provide reuse water through frequency conversion water supply facility to the workshop, control is convenient, power consumption less, cost is low.
Further, also be connected with the sludge press filtration device on the said sludge sump and be used for sludge dehydrating and drying, realize the mud recycling, improve the comprehensive utilization ratio that waste water is knitted in spray.
Further, said sludge press filtration device adopts plate-and-frame filter press, and it is the isolating ideal equipment of suspension-s solid, liquid two-phase, has characteristics such as light and handy, flexible, reliable.
Further, also be connected with the gac odor removal on the said sewage lagoon.
For solving the problems of the technologies described above, the invention allows for a kind of spray and knit the waste water circulation treatment process, it is characterized in that comprising the steps:
1) spray in the sewage lagoon is knitted waste water and is entered the oil removal equalizing tank, in the oil removal equalizing tank, removes the suspension oil impurities;
2) waste water after the oil removal is promoted to tube settler, adds coagulated agent in the tube settler and makes it and make impurity hybrid reaction, the coagulative precipitation in the waste water, and throw out enters sludge sump by mud discharging device;
3) waste water behind the primary sedimentation feeds air flotation pool; When adding coagulated agent, air flotation pool feeds dissolved air water; Make and produce trickle bubble in the waste water, the solvability oil impurities in the waste water, suspended impurity and bubble adhesion form flocs unit and float on liquid level and enter sludge sump by mud discharging device;
4) waste water after the flotation feeds the adsorption precipitation pond, and the flocs unit that does not flotate in the air flotation pool is carried out adsorption precipitation, and throw out enters sludge sump by mud discharging device;
5) waste water after the secondary sedimentation feeds the combined water purifying device and further filters, clarifies, and feeds a clean water basin reuse of buying car in installments at last.
Beneficial effect of the present invention:
1, since spray knit the waste water slant acidity and contain impurity such as slurry, oils and organic suspension class, the treatment process of therefore selecting for use deposition and flotation to combine, deoiling of wastewater, destarch effect are remarkable; Water outlet after treatment reaches among the national sewage comprehensive emission standard GB8978-96 primary standard and is back to water spray and weaves;
2, adopt molten mechanism of qi structure, realize the further rejecting of materials such as solvability oil impurities, suspended impurity in the water, improve reuse water water quality;
3, the setting of oil sump, sludge press filtration device has improved the comprehensive utilization ratio that waste water is knitted in spray.
4, system adopts two-layer three-dimensional structure up and down, has reduced land area.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further explanation
Fig. 1 is a system architecture layout n. of the present invention;
Fig. 2 is a process flow diagram of the present invention;
Fig. 3 is an A-A sectional view among Fig. 1;
Fig. 4 is a B-B sectional view among Fig. 1.
Embodiment
With reference to Fig. 1, Fig. 2; The present invention knits the waste water circulation treatment system for a kind of spray, comprises sewage lagoon 1, oil removal equalizing tank 2, is used for the tube settler 3 of primary sedimentation, the air flotation pool 4 that is used for the waste water flotation, the adsorption precipitation pond 5 that is used for secondary sedimentation, combined water purifying device 6, clean water basin 7, sludge sump 9, mud discharging device 91 and chemicals dosing plant 30 that coagulated agent is provided for tube settler 3 and air flotation pool 4; Be connected with molten mechanism of qi structure on the air flotation pool 4 and dissolved air water be provided, realize the waste water flotation for it; Dissolve the mechanism of qi structure and comprise dissolving 42, be connected with on the said dissolving 42 be used for part air supporting water outlet squeeze into dissolving 42 air dissolved pump 41, be used for that pressurized air is squeezed into dissolving 42 and form the air compressor machine 44 of dissolved air waters and the reliever 43 that is used for dissolved air water is released into air flotation pool 4.In air flotation pool 4; The dissolved air water that discharges with contact through the dosing reacted wastewater; Material such as solvability oil impurities, suspended impurity and bubble adhere to each other and form proportion less than 1 flco in the water, and float on liquid level, are regularly entered in the sludge sump 9 by mud discharging device 91.
2 of sewage lagoon 1 and oil removal equalizing tanks are provided with barrier apparatus 10, are used for the macrobead suspended impurity that waste water is knitted in the amputation spray; Be connected with oil sump 20 on the oil removal equalizing tank 2, collect the oil of separating, reproducible utilization also can be used as general fuel oil and uses; Clean water basin 7 provide reuse water through frequency conversion water supply facility 71 to workshop 8; Be connected with sludge press filtration device 92 on the sludge sump 9 and be used for sludge dehydrating and drying; Sludge press filtration device 92 adopts plate-and-frame filter press; Also be connected with gac odor removal 11 on the sewage lagoon 1.
In order to have reduced land area; The structure of system can be used for like Fig. 3, structure shown in 4; Tube settler 3, air flotation pool 4 are positioned on the ground with the pond body in adsorption precipitation pond 5; The pond body of said sewage lagoon 1, oil removal equalizing tank 2 and clean water basin 7 is positioned at underground and supports with beam column, and 3 of oil removal equalizing tank 2 and tube settlers are provided with lift pump.Adopt two-layer three-dimensional structure up and down, can effectively reduce land area.
It is following that the treatment process of waste water circulation treatment system is knitted in above-mentioned spray:
1) spray in the sewage lagoon 1 is knitted waste water and is entered oil removal equalizing tank 2, in the oil removal equalizing tank, removes the suspension oil impurities;
2) waste water after the oil removal is promoted to tube settler 3, adds coagulated agent in the tube settler and makes it and make impurity hybrid reaction, the coagulative precipitation in the waste water, and throw out enters sludge sump by mud discharging device 91;
3) waste water behind the primary sedimentation feeds air flotation pool 4; When adding coagulated agent, air flotation pool feeds dissolved air water; Make and produce trickle bubble in the waste water, the solvability oil impurities in the waste water, suspended impurity and bubble adhesion form flocs unit and float on liquid level and enter sludge sump by mud discharging device 91;
4) waste water after the flotation feeds adsorption precipitation pond 5, and the flocs unit that does not flotate in the air flotation pool is carried out adsorption precipitation, and throw out enters sludge sump by mud discharging device 91;
5) waste water after the secondary sedimentation feeds combined water purifying device 6 and further filters, clarifies, and feeds clean water basin 7 reuse of buying car in installments at last.
Concrete treating processes is: the spray in the sewage lagoon 1 is knitted waste water and behind barrier apparatus 10 amputation macrobead suspended impurities, is flowed into oil removal equalizing tank 2 certainly, and the suspension oil impurities floats on liquid level in the water, and through oil sump 20 collections, regenerated using; Equalizing tank waste water after preliminary oil removal is promoted by lift pump and gets into tube settler 3; Chemicals dosing plant 30 adds an amount of coagulated agent to waste water; Make all kinds of impurity and the reaction of medicament thorough mixing in the water, the coacervation deposition, throw out enters sludge sump 9 by mud discharging device 91; Waste water behind the primary sedimentation gets into air flotation pool 4 through pipeline self again; Add an amount of coagulated agent by water quality again; By the dissolved air water pump part air supporting water outlet is injected dissolving 42 as recirculation water simultaneously, utilize air compressor machine 44 that pressurized air is fully dissolved in and make it become dissolved air water in the water, dissolved air water discharges many micro bubbles as working liquid through reliever 43 suddenly in air flotation pool 4; The dissolved air water that discharges with contact through the dosing reacted wastewater; Fusion property oil impurities and suspended impurity etc. adhere to each other with bubble and form proportion less than on 1 the flocs unit in the water, thereby float on the liquid level of equipment, are regularly entered in the sludge sump 9 by mud discharging device 91; Air flotation pool 4 water outlets contain 3 D elastic filler from flowing into adsorption precipitation pond 5 in the adsorption precipitation pond 5, in air flotation pool 4, do not have the clean flocs unit of flotation to be adsorbed on the 3 D elastic filler, at the bottom of natural subsidence to the pond, enter sludge sump 9 by mud discharging device 91; 5 water outlets of adsorption precipitation pond flow to combined water purifying device 6, further flow to clean water basin 7 after the filtration clarification, are promoted to workshop 8 reuses by frequency conversion water supply facility 71.
Table 1 (processing standard):
Table 2 (detected result after the processing of the present invention):
Can know from last table 1,2, select deposition and the treatment process that combines of flotation for use after, the composite wastewater of water jet loom garden has been done pre-treatment effectively; Most of organic and inorganic pollutant, solvable and non-solubility pollutent is isolated to come out effectively from sewage; COD in the sewage (COD) reduces greatly, and deoiling of wastewater, destarch effect are remarkable, and pH value is stabilized in about 7.5; Water outlet after treatment reaches among the national sewage comprehensive emission standard GB8978-96 primary standard and is back to water spray and weaves.
The above is merely specific embodiment of the present invention, but constitutional features of the present invention is not limited thereto, and any those skilled in the art is in the field of the invention, and the variation of being done or modify all is encompassed among the claim of the present invention.
Claims (10)
1. the waste water circulation treatment system is knitted in a spray, it is characterized in that: comprise sewage lagoon (1), the oil removal equalizing tank (2), the tube settler (3) that is used for primary sedimentation, the air flotation pool (4) that is used for the waste water flotation, the adsorption precipitation pond (5) that is used for secondary sedimentation, combined water purifying device (6) and the clean water basin (7) that connect successively; Be connected with molten mechanism of qi structure on the said air flotation pool (4) and dissolved air water be provided for it; Also include the sludge sump (9) that chemicals dosing plant (30) provides coagulated agent, is connected through mud discharging device (91) with said tube settler (3), air flotation pool (4), adsorption precipitation pond (5) for tube settler (3) and air flotation pool (4).
2. the waste water circulation treatment system is knitted in a kind of spray according to claim 1; It is characterized in that: said tube settler (3), air flotation pool (4) are positioned on the ground with the pond body in adsorption precipitation pond (5); The pond body of said sewage lagoon (1), oil removal equalizing tank (2) and clean water basin (7) is positioned at underground and supports with beam column, is provided with lift pump between oil removal equalizing tank (2) and tube settler (3).
3. the waste water circulation treatment system is knitted in a kind of spray according to claim 1 and 2; It is characterized in that: said molten mechanism of qi structure comprises dissolving (42), be connected with on the said dissolving (42) be used for part air supporting water outlet squeeze into dissolving (42) air dissolved pump (41), be used for that pressurized air is squeezed into dissolving (42) and form the air compressor machine (44) of dissolved air water and the reliever (43) that is used for dissolved air water is released into air flotation pool (4).
4. the waste water circulation treatment system is knitted in a kind of spray according to claim 1, it is characterized in that: be provided with barrier apparatus (10) between said sewage lagoon (1) and oil removal equalizing tank (2).
5. knit the waste water circulation treatment system according to claim 1 or 4 described a kind of sprays, it is characterized in that: be connected with oil sump (20) on the said oil removal equalizing tank (2).
6. the waste water circulation treatment system is knitted in a kind of spray according to claim 1, it is characterized in that: said clean water basin (7) provide reuse water through frequency conversion water supply facility (71) to the workshop.
7. the waste water circulation treatment system is knitted in a kind of spray according to claim 1, it is characterized in that: also be connected with sludge press filtration device (92) on the said sludge sump (9) and be used for sludge dehydrating and drying.
8. the waste water circulation treatment system is knitted in a kind of spray according to claim 7, it is characterized in that: said sludge press filtration device (92) adopts plate-and-frame filter press.
9. knit the waste water circulation treatment system according to claim 1 or 4 described a kind of sprays, it is characterized in that: also be connected with gac odor removal (11) on the said sewage lagoon (1).
10. the waste water circulation treatment process is knitted in a spray, it is characterized in that comprising the steps:
1) spray in the sewage lagoon (1) is knitted waste water and is entered oil removal equalizing tank (2), in oil removal equalizing tank (2), removes the suspension oil impurities;
2) waste water after the oil removal is promoted to tube settler (3), adds coagulated agent in the tube settler (3) and makes it and make impurity hybrid reaction, the coagulative precipitation in the waste water, and throw out enters sludge sump (9) by mud discharging device (91);
3) waste water behind the primary sedimentation feeds air flotation pool (4); When adding coagulated agent, air flotation pool (4) feeds dissolved air water; Make and produce trickle bubble in the waste water, the solvability oil impurities in the waste water, suspended impurity and bubble adhesion form flocs unit and float on liquid level and enter sludge sump (9) by mud discharging device (91);
4) waste water after the flotation feeds adsorption precipitation pond (5), and the flocs unit that does not flotate in the air flotation pool (4) is carried out adsorption precipitation, and throw out enters sludge sump (9) by mud discharging device (91);
5) waste water after the secondary sedimentation feeds that combined water purifying device (6) further filters, clarification, feeds clean water basin (a 7) reuse of buying car in installments at last.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110103299 CN102311186B (en) | 2011-04-25 | 2011-04-25 | Circulative reclamation processing system and processing technology of weaving jet wastewater |
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| CN 201110103299 CN102311186B (en) | 2011-04-25 | 2011-04-25 | Circulative reclamation processing system and processing technology of weaving jet wastewater |
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| CN102311186A true CN102311186A (en) | 2012-01-11 |
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Cited By (12)
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| CN102701477A (en) * | 2012-05-25 | 2012-10-03 | 宜兴市金鱼陶瓷有限公司 | Waste muddy water recycling system |
| CN103570159A (en) * | 2013-11-14 | 2014-02-12 | 常州大学 | Device for treating high-concentration ammonia nitrogen in coal chemical wastewater in vortex mixing dispersion way by using surfactant |
| CN104045178A (en) * | 2013-03-12 | 2014-09-17 | 绍兴深水环保设备有限公司 | Hydraulic-loom wastewater treatment recycling method |
| CN104496098A (en) * | 2014-12-26 | 2015-04-08 | 浙江省环境工程有限公司 | Water-jet loom wastewater recycling treatment method and recycling treatment system |
| CN105254059A (en) * | 2015-09-30 | 2016-01-20 | 北京东方雨虹防水技术股份有限公司 | Sewage treatment system and method |
| CN106630305A (en) * | 2017-02-27 | 2017-05-10 | 陕西榆林协创资源再生有限公司 | System and method for treating sewage after cleaning of HDPE (high-density polyethylene) recycling material |
| CN106746039A (en) * | 2017-03-30 | 2017-05-31 | 江苏永益环保科技有限公司 | Defatting-bonderizing Waste Water Treatment |
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| CN109592817A (en) * | 2018-12-20 | 2019-04-09 | 四川水沐环保科技有限公司 | A kind of sewage deep dephosphorization treatment system and technique |
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Cited By (12)
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| CN104496098A (en) * | 2014-12-26 | 2015-04-08 | 浙江省环境工程有限公司 | Water-jet loom wastewater recycling treatment method and recycling treatment system |
| CN105254059A (en) * | 2015-09-30 | 2016-01-20 | 北京东方雨虹防水技术股份有限公司 | Sewage treatment system and method |
| CN106630305A (en) * | 2017-02-27 | 2017-05-10 | 陕西榆林协创资源再生有限公司 | System and method for treating sewage after cleaning of HDPE (high-density polyethylene) recycling material |
| CN106746039A (en) * | 2017-03-30 | 2017-05-31 | 江苏永益环保科技有限公司 | Defatting-bonderizing Waste Water Treatment |
| CN108017190A (en) * | 2017-10-27 | 2018-05-11 | 上海金昌不锈钢管制造有限公司 | A kind of sour water workshop sewage disposal circulatory system |
| CN109592817A (en) * | 2018-12-20 | 2019-04-09 | 四川水沐环保科技有限公司 | A kind of sewage deep dephosphorization treatment system and technique |
| CN110776161A (en) * | 2019-12-07 | 2020-02-11 | 新晃县污水处理有限责任公司 | Wastewater treatment system and process thereof |
| CN111115954A (en) * | 2019-12-28 | 2020-05-08 | 无锡夏利达漂染有限公司 | Yarn dyeing wastewater reclaimed water recycling system |
| CN115572027A (en) * | 2022-12-06 | 2023-01-06 | 宁德邦普循环科技有限公司 | Ternary precursor raw material recovery system |
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