CN102897960A - Industrial sewage treatment device - Google Patents
Industrial sewage treatment device Download PDFInfo
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- CN102897960A CN102897960A CN2012104461597A CN201210446159A CN102897960A CN 102897960 A CN102897960 A CN 102897960A CN 2012104461597 A CN2012104461597 A CN 2012104461597A CN 201210446159 A CN201210446159 A CN 201210446159A CN 102897960 A CN102897960 A CN 102897960A
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Abstract
The invention provides an industrial sewage treatment device comprising a shell, a central cylinder, a supporting filter board, a filler inside the central cylinder, a water distributor, a water collector, a water collection groove, a water outlet pipe, a water inlet pipe, a chemical feed pipe, and a sludge discharging or emptying pipe. The industrial sewage treatment device is characterized in that a stirring paddle, the water distributor and the iron carbon filler are arranged inside the central cylinder in the shell; the stirring paddle is connected with a transmission shaft of a stirring motor fixedly arranged at the top of the shell; the iron carbon filter and the bottom of the central cylinder are located on the supporting filter board; and the water inlet pipe is connected with the water distributor. One end of the water outlet pipe is connected with the water collection groove around the upper part of the central cylinder, and the other end of the water outlet pipe penetrates through the shell and is led out. The chemical feed pipe connected with the water inlet pipe is connected with equipment for adding hydrogen peroxide outside the shell. Ultraviolet lamp tubes are uniformly arranged on the circumference of the middle part of the central cylinder. The industrial sewage treatment device has the advantages that the structure is reasonable and compact, the iron-carbon micro-electrolysis technology is organically combined with a hydrogen peroxide oxidation Fenton treatment technology and an ultraviolet treatment technology, so that the good quality of outgoing water and the high efficiency can be realized.
Description
Technical field
The invention belongs to technical field of sewage, is a kind of industrial sewage treater specifically.
Background technology
The industrial sewage of high-concentration hardly-degradable is difficult point and the focus of sewage treatment area always, Pollutant levels are high in the sewage, toxicity is large, water treatment micro-organism is had poison and restraining effect, must carry out pre-treatment before biochemical treatment, in addition, because some pollutent Stability Analysis of Structures is difficult to biological degradation, often need after biological treatment, to carry out advanced treatment, at present, a lot of technical matters are difficult to up to standard, although and some technology can be up to standard, the processing cost height allows again enterprise be difficult to accept.
Product is stable because having for hydrogen peroxide, safety, with water complete miscibility, non-secondary pollution, oxidation selectivity high, can process sulfocompound (particularly sulfide), phenols, prussiate and contain the trade effluent of the metal ions such as Cu, Pb, Zn and receive publicity, but the restriction because of mass transfer, the organism of denier is difficult to by hydrogen peroxide oxidation in the water, for the organic pollutant of high-concentration hardly-degradable, only use the hydrogen peroxide oxidation effect also undesirable.And the introducing of UV-light and other oxygenants or catalyzer such as Fenton technology, ultraviolet/hydrogen peroxide technology etc., has improved the treatment effect of hydrogen peroxide greatly.
Hydrogen peroxide and ferrous ion are combined as Fenton reagent, generate the very strong hydroxyl radical free radical of oxidation capacity, are usually used in the waste water advanced processes, to remove COD, colourity and foam etc.But the problem that traditional Fenton technology exists ferrous ion easily to run off, and use separately ultraviolet/hydrogen peroxide technology, ultraviolet/Fenton technical fee higher.
In recent years, in the treatment technology of non-degradable industrial sewage, micro electrolysis tech comes into one's own just day by day, and it is having its distinctive feature aspect the colourity of removing high-concentration sewage, reduction COD and the raising wastewater biodegradability.But there are the problems such as filler easily hardens, forms short stream or dead angle, the replacement difficulty is large, sludge output is large in traditional micro electrolysis tech, and the water outlet after processing is can not a step up to standard, must carry out subsequent disposal.
Therefore, by to the rational structure design of apparatus for treating sewage, maximize favourable factors and minimize unfavourable ones, reach that effluent quality is good, shock-resistant, strong adaptability, management easy to operate, economical and practical effect be the pursuit of the art always.
Summary of the invention
The present invention is the problem that exists for solving prior art, a kind of industrial sewage treater is provided, by rational structure design, change the fixedly filler mode of traditional micro electrolysis tech into stirring suspension filler mode, the mass transfer enhancement effect, improve speed of reaction, thorough solution is hardened, short stream or Dead Core Problems, and organically combine with hydrogen peroxide treatment technology, Fenton treatment technology, ultraviolet/hydrogen peroxide treatment technology, ultraviolet/Fenton treatment technology, effluent quality is good, processing efficiency is high, shock-resistant, strong adaptability, cost are low, simple to operate, easy to maintenance.
The present invention adopts following technical scheme: a kind of industrial sewage treater, comprise housing, central cylinder in the housing, support filter plate, filler in the central cylinder, water distributor, water leg around the central cylinder, the rising pipe on housing top, water inlet pipe, the spoil disposal of housing bottom or evacuated tube, described chemical feed pipe is connected on the water inlet pipe, it is characterized in that, the top, center arranges an agitator motor in the described central cylinder, the transmission shaft of described agitator motor vertically arranges downwards, the transmission shaft lower end connects a stirring rake, filler in the central cylinder is the iron carbon filler, described support filter plate is arranged on the bottom in the housing, the opening of described iron carbon filler and central cylinder bottom is seated on the described support filter plate, described water distributor is arranged on the central cylinder internal upper part, described water inlet pipe is introduced in the central cylinder and with described water distributor by housing top and is linked to each other, described housing disposes the equipment that adds hydrogen peroxide outward, connect a chemical feed pipe on the water inlet pipe outside the described housing, chemical feed pipe links to each other with the equipment that housing adds hydrogen peroxide outward, and the periphery at described central cylinder middle part evenly arranges ultraviolet lamp tube; Described water leg is arranged between central cylinder top and the housing top, is the water leg that is surrounded the formula of being open upwards by an annular water collecting dike, and described rising pipe one end links to each other with described water leg, and the other end passes described housing and draws.
To improvement of the technical scheme: described water distributor is the annular perforations tubular type, is looped around around the stirring rake, is positioned at the top of iron carbon filler.
To further improvement in the technical proposal: have permeable hole on the described support filter plate, and the central cylinder lower end covers the permeable aperture of part less than the permeable aperture around central cylinder lower port part.
To further improvement in the technical proposal: described housing is circular cylindrical shell, and top is cylindrical, and the bottom be taper shape, described support filter plate be arranged on housing cylindrical in.
To further improvement in the technical proposal: described lower housing portion conical tip arranges spoil disposal or evacuated tube, shore pipe or emptying on spoil disposal or exhaust-valve are set.During normal operation, spoil disposal or emptying solenoid valve are closed, and just open when needing spoil disposal or maintenance.
To further improvement in the technical proposal: described top arranges electric machine support, described agitator motor is arranged on electric machine support, described stirring rake inserts in the described iron carbon filler, described housing disposes electric supply installation outward, and the electric supply installation that described ultraviolet lamp tube and agitator motor connect respectively outside electric wire and the housing joins.Agitator motor can make the iron carbon filler become stirring suspension formula state.
The present invention compared with prior art has the following advantages and positively effect:
Apparatus for treating sewage design science of the present invention, rational in infrastructure, the senior oxidation technologies such as micro electrolysis tech and hydrogen peroxide treatment technology, Fenton technology, ultraviolet technology are combined, it is produced strengthens Fenton effect, reinforcement ultraviolet/hydrogen peroxide effect, reinforcement ultraviolet/Fenton effect, thereby have following advantage:
1, efficient is high, cost is low: the present invention finishes the multiple actions such as electrochemistry to sewage, oxidation-reduction, physical adsorption, coagulative precipitation, hydrogen peroxide oxidation, ultraviolet/hydrogen peroxide oxidation, Fenton oxidation, ultraviolet/Fenton in same tank body, capacity of resisting impact load is strong, speed of reaction is fast, processing efficiency is high, and cost is low;
2, applied range is applicable to the processing of various industrial sewages, especially to the obvious processing effect of the organic industry sewage (as: containing azo, the two keys of carbon, nitro, halogeno-group structure etc.) of the high density of bio-refractory or toxic effect;
3, compare conventional micro electrolysis tech, since hydrogen peroxide add and the effect of agitator motor stirring rake to the raising of mass transfer effect, little electrolytic action is strengthened, had the processing efficiency height, effluent quality is good, sludge output is few, avoid filler easily to harden, form the situations such as short stream or dead angle occurs;
4, compare conventional Fenton oxidation technology, at first, owing to the little electrolytic action of ferrous ion from iron carbon, thereby saved the expense that adds ferrous medicament, and had the meaning of the treatment of wastes with processes of wastes against one another with iron filings as micro-electrolysis stuffing; Secondly, the little galvanic cell that iron carbon forms produces an electric field around it, and the colloidal particle, polar molecule and the tiny pollutent that are dispersed in the waste water can produce electrophoresis under electric field, condensed and attached collection by the effect of electrostatic force, surface energy.Because ferrous ion and [H] of the nascent state that little electrolytic action forms in water all have higher chemically reactive, iron itself also has stronger reductive action simultaneously, can with high concentration hard-degraded organic waste water in conjugated structure group allyl group, nitro, halogeno-group structure etc. redox occurs, thereby reduced the load of Fenton oxidation, reduced the dosage of hydrogen peroxide.Therefore moving medicament expense reduces greatly;
5, the introducing of ultraviolet processing, on the one hand, the medicament in the water and UV-light form ultraviolet/hydrogen peroxide and ultraviolet/Fenton further acts synergistically, and improve effluent quality, have the effect of checking on; On the other hand, through processing early stage, the Pollutant levels in the water reduce greatly, and it is low that ultraviolet is processed load, and processing costs reduces greatly;
6, reduced investment, floor space is little, and is easy for installation, is easy to management;
7, both can be used for the preposition pre-treatment of biochemical treatment, also can be used for the advanced treatment after the biochemical treatment.
Description of drawings
Fig. 1 is the johning knot composition of industrial sewage treater of the present invention.
Among the figure: 1, electric wire; 2, annular water collecting dike; 3, water leg; 4 rising pipes; 5, housing; 6, ultraviolet lamp tube; 7, central cylinder; 8, support filter plate; 9, electric machine support; 10, stirring rake; 11 agitator motors; 12, water distributor; 13, chemical feed pipe; 14, water inlet pipe; 15, iron carbon filler; 16, spoil disposal or emptying solenoid valve; 17, spoil disposal or evacuated tube.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Referring to Fig. 1, the embodiment of a kind of industrial sewage treater of the present invention, the housing 5 of industrial sewage treater is done conglobate cylindrical shell by certain thickness steel plate (as: carbon steel adds the glass steel or stainless steel), and top is cylindrical, the bottom is conical, and by base supports.Support filter plate 8 is set in housing 5 cylindrical interior bottoms.
Add equipment and the electric supply installation of hydrogen peroxide in the outer configurations of the housing 5 of industrial sewage treater, in housing 5 interior centres central cylinder 7 is set, the equal opening of central cylinder 7 upper and lower ends is equipped with iron carbon filler 15 in the central cylinder 7, and places and support on the filter plate 8.Have permeable hole supporting filter plate 8, and to cover the permeable aperture of part little in central cylinder 7 lower ends, large around the permeable aperture of central cylinder 7 lower port part.Establish water distributor 12 above the iron carbon filler 15 in central cylinder 7, water distributor 12 is annular perforations tubular type or spray-type, there is an end of a water inlet pipe 14 that is connected with water distributor 12 to be drawn by the top of housing 5, water inlet pipe 14 end outside housing 5 connects a chemical feed pipe 13, and chemical feed pipe 13 links to each other with the equipment of housing 5 outer interpolation hydrogen peroxide.
At the top of housing 5 electric machine support 9 is set, the top center of central cylinder 7 arranges an agitator motor 11, and agitator motor 11 is fixing by electric machine support 9, and the transmission shaft of agitator motor 11 vertically arranges downwards, and the transmission shaft lower end connects a stirring rake 10.Stirring rake 10 is comprised of the blade of agitator arm and agitator arm lower end, and the agitator arm upper end is fixedly connected with the transmission shaft lower end.Agitator motor 11 joins by the electric supply installation outside electric wire and the housing 5.Annular space outside housing 5 interior central cylinder 7 arranges a plurality of ultraviolet lamp tubes 6, and ultraviolet lamp tube 6 is vertical to be arranged and evenly distribute, and the electric wire 1 that is connected with ultraviolet lamp tube 6 is drawn by housing 5 tops, and joins with the electric supply installation of housing 5 outsides.
There is the water leg 3 of the upper opened type that an annular water collecting dike 2 surrounds the top of ultraviolet lamp tube 6, around being arranged between central cylinder 7 tops and housing 5 tops.There are rising pipe 4 one ends that are connected with water leg 3 to draw housing 5 outsides, and are arranged on the housing 5 columniform sidewalls.
Connect a spoil disposal or evacuated tube 17 in housing 5 bottom conical tip, connect a spoil disposal or emptying solenoid valve 16 on shore pipe or the evacuated tube 17.During normal operation, spoil disposal or emptying solenoid valve 16 are closed, and just open when needing spoil disposal or maintenance.
The processing mechanism of industrial sewage treater of the present invention:
A. little electrolytic action
When the iron carbon filler contacts with sewage, the current potential height of carbon is negative electrode, the current potential of iron is low to be anode, can form countless microbattery systems between them, do not need additional power source just can consist of an electric field at its action space, the colloidal particle, polar molecule and the tiny pollutent that are dispersed in the waste water can produce electrophoresis under electric field, condensed and attached collection by the effect of electrostatic force, surface energy.Simultaneously, the nascent state ferrous ion that anodic reaction produces has stronger reducing power, can make some organism reduction, two keys of some unsaturated group (such as carboxyl, azo-group) are opened, make part difficult degradation ring-type become the small organic molecule of readily biodegradable with the long-chain organic substance decomposing, the reductibility of ferrous ion can be reduced into the little or nontoxicity material of toxicity to poisonous compound or ion.Cathodic reaction produces a large amount of nascent states [H], under acidic conditions, can with sewage in many component generation redox reactions, make organic macromolecule generation chain-scission degradation, thereby eliminated the colourity of organic sewage.
B. hydrogen peroxide independent role
Hydrogen peroxide is strong oxidizer, the organic and inorganic toxic pollutants in the sewage can be oxidized to the compound of nontoxic or easier decomposed by microbial, reduces COD and BOD in the sewage
5
C. Fenton effect
Fenton reagent is the combination of ferrous ion and hydrogen peroxide, ferrous ion and hydroperoxidation are very fast, the two reaction generates the hydroxyl radical free radical with high reaction activity and very strong oxidation capacity, hydroxyl has higher electronegativity or electron affinity, it can be by capturing the H atom in the organic pollutant molecule, fill unsaturated C-reaction paths such as C key and make various organic pollutant structure generation carbochain fractures and rapidly degraded, ferrous ion is as catalyzer simultaneously, finally can be oxidized to ferric ion, and ferric ion and hydrogen peroxide can slowly generate ferrous ion, its key is to excite and transfer function having reacted by ferrous ion, makes chain reaction can continue to carry out until hydrogen peroxide exhausts.The hydroxyl radical free radical non-selectivity can make its degraded so that mineralising with most of organism effects.Fenton reagent can react when processing organic industrial sewage and produce the molten iron complex compound in addition, when pH value is 3～5, and the molten iron complex compound generation throwing out that can change, therefore, Fenton reagent processing organic industrial sewage can be obtained better treatment effect.
D. ultraviolet/hydrogen peroxide effect
The principle of ultraviolet/hydrogen peroxide technology is that ultraviolet proton can make H
20
2Fast decoupled becomes two hydroxyl radical free radicals, and highly active hydroxyl radical free radical can be sent out with organism generation oxidation and answer, and organism is degraded.In addition, some organic pollutants also can directly be degraded under action of ultraviolet light.
E. ultraviolet/Fenton effect
Ultraviolet/Fenton process is the compound of classical Fenton process and two kinds of systems of ultraviolet/hydrogen peroxide.Ultraviolet/similar the Fenton's reaction of Fenton process ultimate principle, what namely play a major role in processing the process of organic pollutant is still hydroxyl radical free radical, but reaction system that different is under UV-irradiation in ferric ion and the water compound ion of hydroxide ion can directly produce hydroxyl radical free radical and ferrous ion, ferrous ion can further react the generation hydroxyl radical free radical with hydrogen peroxide, thereby accelerate the degraded of organic pollutants, ferrous ion and ferric ion are kept good circulating reaction under ultra violet lamp.The reason of light enhancement mainly contains 2 points, and the one, there are synergy in ultraviolet ray and ferrous ion to Catalytic Decomposition of Hydrogen Peroxide; The 2nd, ferric carboxylate complex compound light decarboxylation.
The principle of work of apparatus for treating sewage of the present invention:
The hydrogen peroxide that sewage adds with chemical feed pipe 13 is in water inlet pipe 14 is mixed into the internal layer central cylinder 7 of industrial sewage treater, behind water distributor 12 water distribution uniformities, flow into iron carbon filler 15 zones downwards, in this zone, mainly carry out hydrogen peroxide oxidation effect and little electrolytic action during beginning, continuity along with the reaction times, the ferrous ion that little electrolytic action produces and ferric ion and hydrogen peroxide form Fenton reagent and produce again the Fenton effect, the agitator motor 11 that is arranged by the top simultaneously drives stirring rake 10 and stirs, accelerated reaction is carried out, under the multiple action, organism in the water and hazardous and noxious substances concentration reduce greatly, reduce the processing load of ultraviolet region.The bottom zone of transition that central cylinder 7 water outlets enter housing 5 through supporting filter plate 8, the water of zone of transition enters peripheral ultraviolet region from bottom to top, in this zone, because the effect of ultraviolet lamp tube 6, hydrogen peroxide oxidation effect and Fenton effect are excited and strengthen, the pollutent in the water further is removed, and the water collecting dike 2 that water outlet arranges through top enters water leg 3, drawn outside the housing 5 by the rising pipe 4 that joins with water leg 3 again, finish the whole treating processes of sewage.It is conical that the flco of housing 5 interior generations and impurity sink to the bottom, regularly discharged outside the housing through spoil disposal or emptying solenoid valve 16 controls by spoil disposal or the evacuated tube 17 of bottom conical tip setting.During normal operation, spoil disposal or emptying solenoid valve 16 are closed, and just open when only having spoil disposal or equipment to overhaul.
Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention is not limited to above-mentioned giving an example, those skilled in the art, and in essential scope of the present invention, the variation of making, remodeling, interpolation or replacement all should belong to protection scope of the present invention.
Claims (10)
1. industrial sewage treater, comprise housing, central cylinder in the housing, support filter plate, filler in the central cylinder, water distributor, water leg around the central cylinder, the rising pipe on housing top, water inlet pipe, the spoil disposal of housing bottom or evacuated tube, described chemical feed pipe is connected on the water inlet pipe, it is characterized in that, the top, center arranges an agitator motor in the described central cylinder, the transmission shaft of described agitator motor vertically arranges downwards, the transmission shaft lower end connects a stirring rake, filling out in the central cylinder is the iron carbon filler, described support filter plate is arranged on the bottom in the housing, the opening of described iron carbon filler and central cylinder bottom is seated on the described support filter plate, described water distributor is arranged on the central cylinder internal upper part, described water inlet pipe is introduced in the central cylinder and with described water distributor by housing top and is linked to each other, described housing disposes the equipment that adds hydrogen peroxide outward, connect a chemical feed pipe on the water inlet pipe outside the described housing, chemical feed pipe links to each other with the equipment that housing adds hydrogen peroxide outward, and the periphery at described central cylinder middle part evenly arranges ultraviolet lamp tube; Described water leg is arranged between central cylinder top and the housing top, is the water leg that is surrounded the formula of being open upwards by an annular water collecting dike, and described rising pipe one end links to each other with described water leg, and the other end passes described housing and draws.
2. according to industrial sewage treater claimed in claim 1, it is characterized in that described water distributor is the annular perforations tubular type, be looped around around the stirring rake, be positioned at the top of iron carbon filler.
3. according to claim 1 or 2 described industrial sewage treaters, it is characterized in that, have permeable hole on the described support filter plate, and the central cylinder lower end covers the permeable aperture of part less than the permeable aperture around central cylinder lower port part.
4. according to claim 1 or 2 described industrial sewage treaters, it is characterized in that described housing is circular cylindrical shell, top is cylindrical, and the bottom be taper shape, described support filter plate be arranged on housing cylindrical in.
5. according to industrial sewage treater claimed in claim 3, it is characterized in that described housing is circular cylindrical shell, top is cylindrical, and the bottom be taper shape, described support filter plate be arranged on housing cylindrical in.
6. according to industrial sewage treater claimed in claim 4, it is characterized in that described lower housing portion conical tip arranges spoil disposal or evacuated tube, shore pipe or emptying on spoil disposal or exhaust-valve are set.
7. according to industrial sewage treater claimed in claim 5, it is characterized in that described lower housing portion conical tip arranges spoil disposal or evacuated tube, shore pipe or emptying on spoil disposal or exhaust-valve are set.
8. according to claim 1 or 2 described industrial sewage treaters, it is characterized in that, described top arranges electric machine support, described agitator motor is arranged on electric machine support, described stirring rake inserts in the described iron carbon filler, described housing disposes electric supply installation outward, and the electric supply installation that described ultraviolet lamp tube and agitator motor connect respectively outside electric wire and the housing joins.
9. according to industrial sewage treater claimed in claim 4, it is characterized in that described top arranges electric machine support, described agitator motor is arranged on electric machine support, described stirring rake inserts in the described iron carbon filler, described housing disposes electric supply installation outward, and the electric supply installation that described ultraviolet lamp tube and agitator motor connect respectively outside electric wire and the housing joins.
10. according to industrial sewage treater claimed in claim 7, it is characterized in that, described top arranges electric machine support, described agitator motor is arranged on electric machine support, described stirring rake inserts in the described iron carbon filler, described housing disposes electric supply installation outward, and the electric supply installation that described ultraviolet lamp tube and agitator motor connect respectively outside electric wire and the housing joins.
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| CN201210446159.7A CN102897960B (en) | 2012-11-09 | 2012-11-09 | Industrial sewage treatment device |
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| CN201210446159.7A CN102897960B (en) | 2012-11-09 | 2012-11-09 | Industrial sewage treatment device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104193110A (en) * | 2014-09-17 | 2014-12-10 | 安徽省绿巨人环境技术有限公司 | Wastewater treatment device and method |
| CN106830210A (en) * | 2017-03-07 | 2017-06-13 | 南昌大学 | A kind of three-diemsnional electrode couples iron-carbon micro-electrolysis sewage disposal system |
| CN108862774A (en) * | 2018-07-13 | 2018-11-23 | 青岛万源环境科技有限公司 | A kind of high-leveled and difficult sewage treatment equipment |
| CN109607702A (en) * | 2019-01-23 | 2019-04-12 | 成都市和谐环保工程技术有限公司 | A kind of device and technique improving Biodegradability of Wastewater |
| CN110127890A (en) * | 2018-02-08 | 2019-08-16 | 河北容公环保科技有限公司 | A kind of trade effluent regeneration treatment equipment |
| CN110282689A (en) * | 2019-06-05 | 2019-09-27 | 北京矿冶科技集团有限公司 | A kind of processing method of beneficiation wastewater |
| CN111517581A (en) * | 2020-05-14 | 2020-08-11 | 逸辰环保科技(厦门)有限公司 | Chemical nickel wastewater treatment system and treatment process |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193110A (en) * | 2014-09-17 | 2014-12-10 | 安徽省绿巨人环境技术有限公司 | Wastewater treatment device and method |
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| CN108862774B (en) * | 2018-07-13 | 2021-10-26 | 青岛万源环境科技有限公司 | High-difficulty wastewater treatment equipment |
| CN109607702A (en) * | 2019-01-23 | 2019-04-12 | 成都市和谐环保工程技术有限公司 | A kind of device and technique improving Biodegradability of Wastewater |
| CN110282689A (en) * | 2019-06-05 | 2019-09-27 | 北京矿冶科技集团有限公司 | A kind of processing method of beneficiation wastewater |
| CN111517581A (en) * | 2020-05-14 | 2020-08-11 | 逸辰环保科技(厦门)有限公司 | Chemical nickel wastewater treatment system and treatment process |
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