CN1579967B - Integrated urban waste water treating apparatus and process - Google Patents
Integrated urban waste water treating apparatus and process Download PDFInfo
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- CN1579967B CN1579967B CN 03154257 CN03154257A CN1579967B CN 1579967 B CN1579967 B CN 1579967B CN 03154257 CN03154257 CN 03154257 CN 03154257 A CN03154257 A CN 03154257A CN 1579967 B CN1579967 B CN 1579967B
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- 238000000034 method Methods 0.000 title claims description 22
- 239000002351 wastewater Substances 0.000 title description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 44
- 230000003311 flocculating effect Effects 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 13
- 239000010841 municipal wastewater Substances 0.000 claims description 9
- 238000004065 wastewater treatment Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 239000007772 electrode material Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 244000005700 microbiome Species 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 230000001850 reproductive effect Effects 0.000 claims description 3
- 238000012549 training Methods 0.000 claims description 2
- 238000011001 backwashing Methods 0.000 claims 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims 1
- 238000009987 spinning Methods 0.000 claims 1
- 210000005239 tubule Anatomy 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 7
- 238000005189 flocculation Methods 0.000 abstract description 5
- 230000016615 flocculation Effects 0.000 abstract description 5
- 238000011282 treatment Methods 0.000 abstract description 5
- 238000005868 electrolysis reaction Methods 0.000 abstract description 3
- 235000013305 food Nutrition 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 230000037213 diet Effects 0.000 abstract 1
- 235000005911 diet Nutrition 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 8
- 239000002957 persistent organic pollutant Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- -1 phosphonium ion Chemical class 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 206010067868 Skin mass Diseases 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 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
- 239000003818 cinder Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000002659 electrodeposit Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000007764 o/w emulsion Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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Abstract
The invention discloses equipment of processing incorporate urban sewage and its technics. The equipment is made of armor plate. It includes internal electrolysis reaction area, machine-adding mixing system, helix flocculation depressed area and biolobical reaction area. Sewage can reach GB8978-1996 discharging standard through internal electrolysis reaction, flocculating settling (to remove phosphor), aerobic biological reaction, anaerobic reaction and filtration. Adopting incorporate treatment technics, the invention has a little floor space, low investment and a good effect. It adapts to urban subzones, blocks in villages and towns and micromidi companies such as urban diet, food processing and abattoir.
Description
Technical field
The present invention relates to a kind of municipal wastewater treatment process device, particularly high density urban restaurant trade sewage, butcher, the treatment process device of food-processing industry waste water.
Technical background
At present, for municipal wastewater particularly high density municipal wastewater such as catering trade, butchery, anaerobism is adopted in wastewater treatments such as food-processing industry mostly, aerobic traditional activated sludge process technology and the derivative oxidation ditch thereof of waiting, the AB method, technologies such as SBR method, but it is big that this class technology has floor space, installations and facilities investment and working cost height, treatment time is long, the effluent quality instability, be difficult to urban cells and food and drink, butcher, medium and small sized enterprises such as food-processing can accept, in recent years from the BAF biological aerated filter process of external introduction, it is big to have volumetric loading, the biomass height, treatment effect is good, and floor space, construction investment, working cost is than advantage such as traditional activated sludge process is less, but because the characteristics of BAF technology, whole filter tank all is in aerobic running status, the breeding growth of anaerobic type denitrifying bacteria is suppressed, though also there is anaerobic environment in the deep layer at aerobic biologic membrane, but denitrification is very limited in this small anaerobic environment, therefore in the BAF of routine BAF, the denitrification denitrogenation process is difficult to fully carry out, this has directly influenced the removal of total nitrogen in the waste water, make BAF technology when removing organic pollutant, can reach the purpose of denitrogenating again, just must increase by a cover in addition and denitrogenate BAF, this invisible floor space that strengthens facility, increase construction investment, make BAF technology lose the advantage of striving unexpectedly, in addition, because BAF technology adopts individual layer filter tank structure mostly, therefore also ubiquity the physics retaining power in general filter tank poor, filtering layer easily stops up, shortcomings such as recoil is frequent, and the cycle of operation is short.
Summary of the invention
The objective of the invention is to propose a kind of municipal wastewater, high density municipal wastewater treatment process device particularly, to overcome the shortcoming in the background technology, this device is integrated, floor space is little, low equipment investment, and working cost is low, and having a good denitrification dephosphorization function, medium and small sized enterprises such as assorted branch is suitable for urban catering, butchers, food-processing install and use.
The present invention is by interior electrolytic reaction district, the dosing mixing system, spiral flocculating settling district, the integrated waste-water treater that bio-reaction zone is formed, be filled with iron (the aluminium)-carbon electrode material of activated processing in the interior electrolytic reaction district, when waste water as a kind of ionogen in water-in enters into flow lifting type during the electrolytic reaction district, a series of electrochemical reaction has promptly taken place, organic pollutant molecule produces fission in the waste water under interior electrolytic action, macromolecular substance is dissolved and is small-molecule substance, indissoluble difficult degradation thing is converted into easily molten easy degradation product, and generation intensive electricity coagulates wadding, the electricity settlement action, make that suspended substance removes rapidly in the waste water, magnetic valve in being installed on simultaneously in the dosing mixing system on top, electrolytic reaction district is opened, coagulant aids in the pharmacy jar and the waste water after interior electrolysis treatment, enter into the thorough mixing of system through tube mixer, in addition, combine with phosphonium ion in the waste water through iron (aluminium) ion that interior electrolytic action produced and to generate the insoluble throw out, the spiral flocculating settling district that enters into communicating pipe from top carries out flocculating settling and separates with pulp water with waste water, and reaches the purpose of dephosphorization simultaneously.Supernatant liquor enters equably the water distributor from perforation and carries out biology in the bio-reaction zone and dissolve with physics and cut dirty process, be filled with two-layer porous crack biofilter material in the bio-reaction zone by different grain size and different densities, constitute anti-granularity biological filter, the upper strata is the aerobe filtrate, lower floor is the anaerobe filtrate, and the training reproductive growth a large amount of with organic pollutant, NH in the two-layer filtrate
3-N, nitrate, nitrite are all kinds microorganism of foodstuff, the boring aeration pipe that is installed between the two-layer filtrate is pressed into air from inlet mouth, upper strata aerobe filtrate is carried out aeration aerating, in bio-reaction zone, formed aerobic and the double-deck bacteria filter structure of anaerobic, waste water is in interior electrolytic reaction and flocculating settling (dephosphorization) effect through interior electrolytic reaction district and spiral flocculating settling district, add aerobic in the bio-reaction zone, anaerobism Two-Stage Biochemical and handle and nitrated-denitrification process, make organic pollutant, NH in the waste water
3-N, TP etc. are effectively removed, simultaneously, because bio-reaction zone adopts the two filtering layer filter tanks of anti-granularity structure, strengthened the physics retaining power widely, prolong the cycle of operation, relevant anti-granularity biological filtering tank process structure, the present inventor also has same argumentation in " having the water-purifying process device of removing little pollution function " (patent No. 03251442.5) patent.Pebble bed and plurality of rows are housed on the supporting plate of bio-reaction zone bottom show the recoil filter of preface, in order to support filtrate and recoil water distribution, both impelled by regular recoil that biomembranous renewal keeps biomembranous activity in the biofilter material layer, playing the cleaning filtering layer again prevents from the effect of stopping up to make whole bio-reaction zone can be in good running status for a long time.
Description of drawings
Fig. 1 is a structure iron of the present invention
Fig. 2 is the diagram of overlooking of apparatus of the present invention
Fig. 3 is this device swirler synoptic diagram
Embodiment
As shown in Figure 1, waste water is pumped to the perforation water distributor (1) that communicates with water-in by water pump, electrolytic reaction district in entering into, bottom, interior electrolytic reaction district is equipped with perforate supporting plate (2), pebble bed (4) is housed above the supporting plate, be equipped with the perforation gas distribution pipe (3) that is communicated with inlet mouth in the middle of the pebble bed, be filled with iron (aluminium)-carbon electrode material (5) on the pebble bed, ventilative chimney (6) is installed on the top cover, iron (aluminium)-carbon electrode material forms numerous internal electric field in interior electrolytic reaction district, when waste water enters into internal electric field as a kind of ionogen, a series of interior electrolytic reaction just takes place, fission promptly takes place and takes off steady and electric wadding and the electrodeposit reaction of coagulating of generation in the organic pollutant molecule in the waste water, make the suspension dirt in the waste water separate removal rapidly, the macromole organic pollutant then is converted into small organic molecule by interior electrolytic reaction in the waste water, the indissoluble hard-degraded substance is converted into easily molten easy degradation material, for subsequent sedimentation is separated and biological respinse provides favourable condition, water outlet after interior electrolytic reaction district handles, overflow in the communicating pipe (9) that tube mixer is housed, at this moment, the magnetic valve in parallel with the intake pump circuit (8) is open-minded simultaneously, coagulant aids through adjusting flow in the pharmacy jar (7) constantly is added drop-wise in communicating pipe (9) with behind the raw wastewater thorough mixing and flows in the spiral stream guidance pipe (10) in spiral flocculating settling district, carry out the flocculating settling reaction, under the water conservancy diversion of spiral stream guidance pipe (10), extended the widely flow process of dosing waste water of waste water, prolonged the flocculation reaction time, make the flocculation reaction of waste water carry out more fully with complete, waste water along the spiral flow deflector rotation downwards in the flocculation reaction process, play good sloping plate deposition effect, flow out from the swirler (11) that is arranged on the thrust-augmenting nozzle lower end again, in the formation to eddy-currents, under action of centrifugal force, throw out in the waste water is deposited to bottom along garden wall in the spiral flocculating settling district, phosphoric in the waste water is also constantly separated out by cohesion in flocculation reaction and is settled down with other throw out, discharge from the wash water valve (12) that is placed in the bottom regularly, thus reach the purpose of decontamination dephosphorization.Supernatant liquor then enters into bio-reaction zone from the perforation water distributor (13) on top, be filled with the variant porous crack biofilter material of two-layer density and particle diameter in the bio-reaction zone to constitute anti-granularity filter tank structure, the upper strata is that aerobe filtrate (14) lower floor is anaerobe filtrate (16), perforation gas distribution pipe (15) is housed between the two-layer biofilter material, pressurized air carries out aeration aerating by gas distribution pipe (15) for upper strata aerobe filtrate (14), air water flows to opposite, increased the probability of gas-water contact and current cutting bubble, help the transfer of oxygen, bring into play biomembranous oxidative degradation in the aerobic biofilter material layer better, aerobe filtrate (14) adopts activated carbon, cinder, the porous crack filtrate that fibrous nodules or other light weight grain are big, anaerobe filtrate (16) adopts haydite, expansion pattra leaves rock, zeolite, the porous crack filtrate that slag or the heavier particle diameter of other quality are little is trained reproductive growth respectively and a large amount of aerobic in the two-layer biofilter material, double oxygen, the anaerobic type microorganism makes the organic pollutant in the waste water, NH
3-N etc. are effectively dissolved in bio-reaction zone and are removed.The bio-reaction zone bottom is equipped with by pebble bed (17), and the supporting layer that supporting plate (18) is formed, supporting plate (18) upward device have some recoil filters (19).
Waste water reacts, cuts dirty process through aerobic-anaerobe reaction process and physics again through interior electrolytic reaction, flocculating settling in device, final treat effluent reaches the GB8978-1996 first discharge standard, and the outlet valve (20) of last water outlet through the device bottom effluxes and collect as the recoil water.Normal operation in order to ensure the filter tank, quicken the biomembranous renewal of filtering layer and keep biomembranous activity, in service must regularly recoil the at device, close outlet valve (20) during recoil earlier, water outlet after utilization is handled is as the recoil water, advance in the bio-reaction zone from recoil mouthful (a 21) pump with pump, and compress into air from gas distribution pipe (15), carry out air water and unite recoil, filtering layer is expanded, utilize the intergranular mutual collision of biofilter material, rub, add the associating souring of current and air-flow, old film and dirt are washed away filtering layer together, for fear of the loss of biofilter material in the recoil process, along bio-reaction zone top circumference water leg (22) is set, the water leg lower edge is provided with water outlet (23), water leg is advanced in recoil water outlet overflow, effluxes from water outlet (23) again.
Example
Per day number 1000 people that have dinner in large-scale hotel, Guigang, the peak can reach 1500 people, day discharging food and drink waste water 40m
3Contain the ight soil that a large amount of swills, oil slick, oil in water emulsion and a large amount of activated detergents also have the guest that partly has a dinner in the waste water, water quality is muddy shape and dense peculiar smell is arranged, COD content is very high, through this process unit is installed, this hotel's waste water is handled, handle as clear as crystal, the colorless and odorless of back water outlet, pass through Guigang region environment-friendly engineering smoothly and checked and accepted, obtained the qualified discharge conformity certification.Monitoring result such as following table:
Hotel, Guigang waste water quality monitoring information slip
Claims (3)
1. integrated municipal wastewater treatment process device, electrolytic reaction district in comprising, the dosing mixing system, spiral flocculating settling district, bio-reaction zone, it is characterized in that the perforation water distributor (1) that is communicated with water-in being housed in bottom, interior electrolytic reaction district, the bottom is equipped with perforate supporting plate (2), pebble bed (4) is housed above the supporting plate, be equipped with the perforation gas distribution pipe (3) that is communicated with inlet mouth in the middle of the pebble bed, be filled with iron-carbon electrode material (5) on the pebble bed, top cover is provided with transom (6), pharmacy jar (7), magnetic valve (8), pharmacy jar and the communicating pipe (9) that has tube stirrer are connected with tubule by magnetic valve, top, electrolytic reaction district and communicate in being located at communicating pipe (9) with spiral flocculating settling district, spiral stream guidance pipe (10) is housed in the middle of the spiral flocculating settling district, swirler (11) is equipped with in thrust-augmenting nozzle (10) lower end, wash water valve (12) is equipped with the lower end in the flocculating settling district, whole spiral flocculating settling district is a round shape settling tank, the upper end communicates with bio-reaction zone with perforation water distributor (13), biological respinse is divided into two-layer, the upper strata is filled with aerobic type biofilter material (14), lower floor is filled with anaerobic type biofilter material (16), training reproductive growth in the two-layer biofilter material respectively aerobic, double oxygen, the anaerobic type microorganism, the perforation gas distribution pipe (15) that is communicated with inlet mouth is housed between two filter material layers, the bio-reaction zone below is provided with pebble bed (17), supporting plate (18), some recoil filters (19) are housed on the supporting plate, outlet valve (20) and backwashing intake valve (21) are equipped with in the bio-reaction zone bottom, at bio-reaction zone top circumference water leg (22) is set, water outlet (23) is located at position, water leg lower edge.
2. a kind of integrated municipal wastewater treatment process device according to claim 1 is characterized in that being provided with in the spiral stream guidance pipe (10) monolithic or multi-disc flight in the same way.
3. a kind of integrated municipal wastewater treatment process device according to claim 1 is characterized in that the spinning disk direction of installing swirler (11) the inside is identical with the flight direction of spiral stream guidance pipe (10) the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03154257 CN1579967B (en) | 2003-08-17 | 2003-08-17 | Integrated urban waste water treating apparatus and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03154257 CN1579967B (en) | 2003-08-17 | 2003-08-17 | Integrated urban waste water treating apparatus and process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1579967A CN1579967A (en) | 2005-02-16 |
| CN1579967B true CN1579967B (en) | 2010-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03154257 Expired - Lifetime CN1579967B (en) | 2003-08-17 | 2003-08-17 | Integrated urban waste water treating apparatus and process |
Country Status (1)
| Country | Link |
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| CN (1) | CN1579967B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445303B (en) * | 2008-12-03 | 2010-09-29 | 王静丽 | Method for recycling sewage for cleaning waste plastic and device thereof |
| CN102001769B (en) * | 2010-11-23 | 2012-05-02 | 西安建筑科技大学 | Integrated water purifying and processing equipment |
| CN102949868B (en) * | 2011-08-22 | 2014-10-22 | 陈学明 | Rapid sewage purifying machine |
| CN102329053A (en) * | 2011-09-06 | 2012-01-25 | 同济大学 | Combined set for treating micro-polluted source water in counties and towns |
| CN102701519B (en) * | 2012-05-17 | 2013-09-04 | 杭州共创环保科技有限公司 | Method for ecological control on black-odor watercourse by combining electrochemistry with biology |
| CN103112964B (en) * | 2013-01-25 | 2014-06-11 | 陈骐 | Wastewater treatment system and technological process of wastewater treatment |
| CN103951117B (en) * | 2014-03-24 | 2017-03-29 | 广西国宏智鸿环境科技发展有限公司 | A kind of processing meanss of removable slaughtering wastewater middle and high concentration ammonia nitrogen |
| CN105174557B (en) * | 2015-10-19 | 2018-10-09 | 无锡市明洲机械环保设备厂 | Constant pressure injecting type water purifier |
| CN106316004B (en) * | 2016-11-07 | 2017-09-01 | 江西盖亚环保科技有限公司 | A kind of method of the direct deep purifying of high concentrated organic wastewater |
| CN106746217B (en) * | 2016-12-22 | 2018-08-24 | 山东问清环境科技有限公司 | A kind of processing method of the sanitary sewage containing ammonia nitrogen in high density |
| CN107973456A (en) * | 2017-11-27 | 2018-05-01 | 江苏中超环保股份有限公司 | A kind of small-sized domestic sewage treater and its processing method |
| CN109694132B (en) * | 2019-02-23 | 2021-12-17 | 何江涛 | Sewage treatment method of sequencing batch temperature and pressure control biological membrane |
| CN110589994B (en) * | 2019-10-09 | 2021-11-12 | 南宁市力拓环保投资有限公司 | Domestic sewage treatment equipment and treatment method thereof |
| CN111499126A (en) * | 2020-06-04 | 2020-08-07 | 江西康乾环保科技有限公司 | Sewage treatment system and water treatment process thereof |
| CN113666572B (en) * | 2021-07-30 | 2022-12-30 | 蓝淼科技(广州)有限公司 | Device and method for treating aquaculture tail water |
| CN115466010B (en) * | 2022-09-01 | 2023-07-04 | 南京信息工程大学 | Mariculture wastewater treatment system and control method |
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| CN1178776A (en) * | 1996-10-03 | 1998-04-15 | 曹曼 | Technology for treating waste water of paper making |
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| CN1579967A (en) | 2005-02-16 |
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