CN108395065B - Triple hollow fiber membrane printing and dyeing sewage treatment system - Google Patents
Triple hollow fiber membrane printing and dyeing sewage treatment system Download PDFInfo
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- CN108395065B CN108395065B CN201810574776.2A CN201810574776A CN108395065B CN 108395065 B CN108395065 B CN 108395065B CN 201810574776 A CN201810574776 A CN 201810574776A CN 108395065 B CN108395065 B CN 108395065B
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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Abstract
The invention discloses a triple hollow fiber membrane printing and dyeing sewage treatment system, wherein a stirring chamber, a filling chamber, an acidification chamber, a first treatment chamber and a second treatment chamber which are communicated are sequentially arranged between a water inlet pipeline and a water outlet pipeline, the first treatment chamber is communicated with a first acid liquor chamber, the second treatment chamber is respectively communicated with a second acid liquor chamber and an alkali liquor chamber, a primary filtering device is arranged at the communication position of the filling chamber and the acidification chamber, an organic dye removing hollow fiber membrane component is arranged at the communication position of the acidification chamber and the first treatment chamber, an ultrafiltration hollow fiber membrane component is arranged in the water outlet pipeline, the upper parts of the first treatment chamber and the second treatment chamber are communicated with a gas pipeline, the gas pipeline is also communicated with a nickel metal hollow fiber membrane component, and the nickel metal hollow fiber membrane component is also communicated with a hydrogen collecting device. Meanwhile, hydrogen generated in the waste liquid treatment can be effectively collected for recycling.
Description
Technical Field
The invention relates to a printing and dyeing sewage treatment system, in particular to a triple hollow fiber membrane printing and dyeing sewage treatment system.
Background
The printing and dyeing wastewater is wastewater discharged from printing and dyeing factories which mainly process cotton, hemp, chemical fibers and blended products thereof. The amount of the printing and dyeing wastewater is large, 100 to 200 tons of water are consumed for every 1 ton of textiles which are processed by printing and dyeing, and 80 to 90 percent of the water becomes wastewater. The textile printing and dyeing wastewater has the characteristics of large water quantity, high organic pollutant content, large alkalinity, large water quality change and the like, belongs to one of industrial wastewater difficult to treat, and contains dye, slurry, auxiliary agent, oil agent, acid and alkali, fiber impurities, sand substances, inorganic salt and the like. However, most of the conventional methods for treating printing and dyeing wastewater mainly include biological treatment, neutralization treatment, and water purification material, but the above treatment methods are single in effect, only one or two pollutants can be removed, and usually require secondary or tertiary treatment, and because of differences in treatment methods, it is difficult to integrate all devices in a limited space, and the steps of waste liquid are also complicated, and multiple devices are required, which is a problem to be solved in the art.
Disclosure of Invention
The invention aims to provide a triple hollow fiber membrane printing and dyeing sewage treatment system which can effectively remove organic wastes, solid wastes and organic dyes in printing and dyeing wastewater and simultaneously improve the acidity and alkalinity of the waste liquor.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the triple hollow fiber membrane printing and dyeing sewage treatment system comprises a water inlet pipeline and a water outlet pipeline, wherein a stirring chamber, a filling chamber, an acidification chamber, a first treatment chamber and a second treatment chamber which are communicated are sequentially arranged between the water inlet pipeline and the water outlet pipeline, the first treatment chamber is communicated with a first acid liquid chamber, the second treatment chamber is respectively communicated with a second acid liquid chamber and an alkali liquid chamber, a primary filtering device is arranged at the communication position of the filling chamber and the acidification chamber, an organic dye removing hollow fiber membrane component is arranged at the communication position of the acidification chamber and the first treatment chamber, an ultrafiltration hollow fiber membrane component is arranged in the water outlet pipeline, the upper parts of the first treatment chamber and the second treatment chamber are communicated with a gas pipeline, the gas pipeline is also communicated with a nickel metal hollow fiber membrane component, and the nickel metal hollow fiber membrane component is also communicated with a hydrogen collecting device, the packing chamber is used for filling an oxidizing agent and a flocculating agent.
Further, the method comprises the following steps: the stirring chamber comprises a cavity, a first stirrer is arranged in the cavity, and a heating mechanism is arranged on the outer side of the cavity.
Further, the method comprises the following steps: and a second stirrer is arranged in the filling chamber.
Further, the method comprises the following steps: the nickel metal hollow fiber membrane component comprises a fixing piece, the fixing piece divides the nickel metal hollow fiber membrane component into an upper cavity and a lower cavity, the fixing piece is used for fixing the nickel metal fiber membrane in the lower cavity, the upper cavity is provided with an exhaust port, and the exhaust port is connected with the hydrogen collecting device.
Further, the method comprises the following steps: the organic dye removal hollow fiber membrane module is composed of a plurality of organic dye removal hollow fiber bundles arranged in parallel along the water flow direction, and the organic dye removal hollow fiber bundles are specifically hollow fiber bundles prepared from a nano ZnO-containing membrane casting solution.
Further, the method comprises the following steps: the water yield of the ultrafiltration hollow fiber membrane component is controlled to be 87-93%.
Further, the method comprises the following steps: the first acid liquid chamber is internally stored with a hydrochloric acid solution with concentration of between% and the second acid liquid chamber is internally stored with a hydrochloric acid solution with concentration of less than 20%.
Further, the method comprises the following steps: and a metering pump is arranged between the first acid liquid chamber and the first treatment chamber and is used for quantitatively pumping the solution in the first acid liquid chamber into the first treatment chamber.
Further, the method comprises the following steps: and a metering pump is arranged between the second acid liquid chamber and the second treatment chamber and is used for quantitatively pumping the solution in the second acid liquid chamber into the second treatment chamber.
Further, the method comprises the following steps: and a metering pump is arranged between the alkali liquor chamber and the second treatment chamber and is used for quantitatively pumping the solution in the alkali liquor chamber into the second treatment chamber.
The invention has the beneficial effects that: this application is through setting up teeter chamber, filler room, acidizing room, first process chamber and second process chamber to cooperate three kinds of hollow fiber bundles simultaneously, can effectually get rid of the organic waste in the waste liquid, and can be simultaneously to waste liquid decoloration and improve waste liquid acidity and alkalinity, produced hydrogen retrieves recycling in the waste liquid treatment of collection that simultaneously can also be effectual.
Drawings
Fig. 1 is a schematic diagram of the present application.
The labels in the figure are: the device comprises a water inlet pipeline 1, a water outlet pipeline 2, a stirring chamber 3, a first stirrer 31, a heating mechanism 32, a filling chamber 4, a second stirrer 41, an acidification chamber 5, a first treatment chamber 6, a first acid liquid chamber 61, a second treatment chamber 7, a second acid liquid chamber 71, an alkali liquid chamber 72, a primary filtering device 8, an organic dye removal hollow fiber membrane module 91, an ultrafiltration hollow fiber membrane module 92, a nickel metal hollow fiber membrane module 93, a gas pipeline 931, a hydrogen collecting device 932 and a metering pump 10.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
As shown in figure 1, triple hollow fiber membrane printing and dyeing sewage treatment system, including inlet channel 1 and outlet conduit 2, wherein inlet channel 1 is used for being connected with the drain of printing and dyeing equipment, outlet conduit 2 is used for discharging the sewage after handling through this application, inlet channel 1 with agitator chamber 3, filler chamber 4, acidizing chamber 5, first treatment chamber 6 and the second treatment chamber 7 that set gradually between the outlet conduit 2, through the pipeline intercommunication between above-mentioned agitator chamber 3, filler chamber 4, acidizing chamber 5, first treatment chamber 6 and the second treatment chamber 7, can set up the break-make of above-mentioned pipeline of valve control in this a pipeline for the intercommunication. Wherein be provided with first agitator 31 in the teeter chamber 3, in this application, this agitator is the stirring rake, and this stirring rake is connected with the motor, under the drive of motor, this stirring rake can stir in teeter chamber 3, can make wastes such as solid waste, organic waste intensive mixing even in the waste liquid through the stirring, make during comparatively even mixture enters into packing chamber 4 to avoid only having the condition that the supernatant enters into packing chamber 4 to take place to lead to the waste liquid to handle complete inadequately, packing chamber 4 includes the cavity, and the dog-house is installed to this cavity top, and oxidant and flocculating agent are thrown in to packing chamber 4 to this dog-house of accessible to this dog-house, acidizing chamber 5 carries out hydrolytic acidification promptly to the waste liquid, and its structure can be the conventional acidizing chamber 5 in this field.
As shown in fig. 1, the first treatment chamber 6 is communicated with a first acid chamber 61, the first acid chamber 61 is used for adding an acid solution to the waste liquid in the first treatment chamber 6 for neutralization, the adding amount can be controlled by arranging a valve at the position where the first acid chamber 61 is communicated with the first treatment chamber 6, preferably, a metering pump 10 is arranged in a pipeline communicated between the first acid chamber 61 and the first treatment chamber 6, the solution in the first acid chamber 61 is pumped into the first treatment chamber 6 through the metering pump 10 so as to realize quantitative liquid discharge, the second treatment chamber 7 is respectively communicated with a second acid chamber 71 and an alkali chamber 72, and similarly, the second acid chamber 71 and the alkali chamber 72 can also add the acid solution or alkali solution to the second treatment chamber 7 through the valve or the metering pump 10.
As shown in fig. 1, since a large amount of hydrogen may be generated by performing neutralization reaction in the first processing chamber 6 and the second processing chamber 7, a three-way pipe is further provided above the first processing chamber 6 and the second processing chamber 7 as a gas pipe 931, both transverse ends of the gas pipe 931 are respectively communicated with the first processing chamber 6 and the second processing chamber 7, the gas pipe 931 is longitudinally opened upward, an opening at one longitudinal end of the gas pipe 931 is communicated with the nickel metal hollow fiber membrane module 93, the nickel metal hollow fiber membrane module 93 is further communicated with the hydrogen collecting device 932, the nickel metal hollow fiber membrane module 93 specifically includes a housing, a fixing member is fixed in the housing, the fixing member divides the housing into an upper chamber and a nickel metal chamber, a plurality of clamping grooves are installed in the fixing member, the nickel metal fiber membrane module is longitudinally clamped in the clamping grooves, and hydrogen can enter into the upper chamber through the metal fiber module, the lower end of the nickel metal fiber bundle is open, the upper end of the nickel metal fiber bundle is sealed and connected with the upper chamber, the nickel metal fiber bundle forms a nickel metal fiber membrane, the nickel metal fiber membrane is fixed in the lower chamber through a fixing piece, the side wall of the upper chamber is further provided with an exhaust port, and the exhaust port is connected with the hydrogen collecting device 932.
As shown in fig. 1, a primary filtering device 8 is disposed at the communication position of the filling chamber 4 and the acidification chamber 5, the primary filtering device 8 can be a filter screen installed at the opening of the communication pipeline between the filling chamber 4 and the acidification chamber 5 or a filter element filled in the communication pipeline, and the primary filtering device 8 is used for filtering large solid impurities and part of dye.
As shown in fig. 1, an organic dye removing hollow fiber membrane module 91 is fixedly installed at a communication position between the acidification chamber 5 and the first treatment chamber 6, the organic dye removing hollow fiber membrane module 91 is composed of a housing and a plurality of organic dye removing hollow fiber bundles which are arranged in the housing and fixed in parallel along a water flow direction, in the present application, the water flow is a transverse flow, that is, the organic dye removing hollow fiber bundles are arranged along the transverse direction, waste water can enter the first treatment chamber 6 through the organic dye removing hollow fiber bundles, specifically, the organic dye removing hollow fiber bundles are hollow fiber bundles made of a casting solution containing nano ZnO, and the nano ZnO can degrade the organic dye under a photocatalytic condition, so that the purposes of decoloring and removing organic waste are achieved.
As shown in fig. 1, an ultrafiltration hollow fiber membrane module 92 is fixedly installed in the water outlet pipe 2, and the wastewater is discharged through the ultrafiltration hollow fiber membrane module 92, so that small solid particles in the wastewater can be effectively filtered, and preferably, the water yield of the ultrafiltration hollow fiber membrane module 92 is controlled to be 87% to 93%.
The specific working flow of the application is that the waste liquid enters the stirring chamber 3 from the water inlet pipeline 1, the stirring paddle starts stirring, so that all components in the waste liquid are uniformly dispersed together, then the uniformly dispersed waste liquid enters the filling chamber 4, at the moment, an oxidant is added into the filling chamber 4 firstly, so that the components capable of being oxidized in the waste liquid are oxidized and decomposed, then the components incapable of being oxidized and decomposed in the waste liquid are condensed by adding a flocculating agent, preferably, the flocculating agent selects a microbial flocculating agent, then the waste liquid in the filling chamber 4 is put into the first treatment chamber 6, as the primary filtering device 8 is arranged between the filling chamber 4 and the acidification chamber 5, large-particle solid and condensed particulate matters can be filtered, then the waste liquid enters the acidification chamber 5 for hydrolytic acidification, most organic wastes, dyes and solid wastes can be removed through the processes, however, a small amount of organic dyes and organic wastes cannot be removed, and the organic matters and the dyes are difficult to be solved in the field, at this time, the waste liquid enters the first treatment chamber 6, because the hollow fiber membrane module 91 for removing the organic dyes is arranged between the first treatment chamber 6 and the acidification chamber 5, and the residual organic dyes and the organic wastes are degraded through the catalysis of nano ZnO, so as to achieve the purpose of decoloring, at this time, the first treatment of the first acid liquid chamber 61 discharges acid liquid to neutralize the waste liquid, because the waste liquid at this time is not subjected to any neutralization treatment, the waste liquid has a high alkalinity, and therefore, a hydrochloric acid solution with a high concentration can be selected for neutralization treatment, for example, in the application, a hydrochloric acid solution with a concentration of 25% -30% is adopted in the first acid liquid chamber 61 for neutralization treatment, because the acid liquid concentration in the first acid liquid chamber 61 is high, therefore, partial acid or partial alkali can be generated after neutralization, so that the solution is subjected to secondary neutralization treatment by using acid liquor and alkali liquor with lower concentration in the second treatment chamber 7 so as to make the pH value of the solution closer to neutral, for example, in the present application, the second acid chamber 71 stores a hydrochloric acid solution having a concentration of less than 20%, hydrogen gas, which is generated during the neutralization treatment in the first and second treatment chambers 6 and 7, is introduced upward into the nickel metal hollow fiber membrane module 93 via the gas pipe 931, since the nickel metal hollow fiber bundle has good hydrogen permeability, the hydrogen gas can be transported into the upper chamber by the nickel metal hollow fiber membrane module 93, and then enters a hydrogen collecting device 932 from an exhaust port to achieve the purpose of collecting hydrogen, and finally the waste liquid is discharged through an ultrafiltration fiber membrane component, so that fine particle waste in the waste liquid is removed.
On the basis, as shown in fig. 1, in order to further uniformly disperse the solid in the stirring chamber 3 in the waste liquid, a heating mechanism 32 is wrapped outside the stirring chamber 3, specifically, the heating mechanism 32 is a heating jacket which is sleeved on the outer side wall of the stirring chamber 3 for a circle, and the heating mechanism 32 heats the stirring chamber 3 to roll the inside of the waste liquid in the stirring chamber 3, so that the solid floats on the surface of the waste liquid.
In addition, as shown in fig. 1, in order to sufficiently mix the materials and the waste liquid added into the filling chamber 4, a second stirrer 41 is arranged in the filling chamber 4, and the second stirrer 41 may also be a stirring paddle which is driven by a motor to stir in the filling chamber 4, so that the pure water materials and the waste liquid added into the filling chamber 4 are sufficiently mixed.
This application is through setting up teeter chamber 3, packing chamber 4, acidizing room 5, first process chamber 6 and second process chamber 7 to cooperate three kinds of hollow fiber bundles simultaneously, can effectually get rid of the organic waste in the waste liquid, and take off colour and improve waste liquid acid-base nature simultaneously, produced hydrogen retrieves recycling in the waste liquid treatment of can also effectual collection simultaneously.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (9)
1. Triple hollow fiber membrane printing and dyeing sewage treatment system, including inlet channel (1) and outlet conduit (2), its characterized in that: the device comprises a water inlet pipeline (1) and a water outlet pipeline (2), wherein a communicated stirring chamber (3), a filling chamber (4), an acidification chamber (5), a first treatment chamber (6) and a second treatment chamber (7) are sequentially arranged between the water inlet pipeline (1) and the water outlet pipeline (2), the first treatment chamber (6) is communicated with a first acid liquid chamber (61), the second treatment chamber (7) is communicated with a second acid liquid chamber (71) and an alkali liquid chamber (72) respectively, a primary filtering device (8) is arranged at the communication position of the filling chamber (4) and the acidification chamber (5), an organic dye removal hollow fiber membrane component (91) is arranged at the communication position of the acidification chamber (5) and the first treatment chamber (6), an ultrafiltration hollow fiber membrane component (92) is arranged in the water outlet pipeline (2), and a gas pipeline (931) is communicated above the first treatment chamber (6) and the second treatment chamber (7), the gas pipeline (931) is also communicated with a nickel metal hollow fiber membrane module (93), the nickel metal hollow fiber membrane module (93) is also communicated with a hydrogen collecting device (932), and the filler chamber (4) is used for filling an oxidant and a flocculating agent;
the organic dye removal hollow fiber membrane module (91) is composed of a plurality of organic dye removal hollow fiber bundles arranged in parallel along the water flow direction, and the organic dye removal hollow fiber bundles are specifically hollow fiber bundles made of nano ZnO-containing membrane casting liquid.
2. The triple hollow fiber membrane printing and dyeing wastewater treatment system according to claim 1, characterized in that: the stirring chamber (3) comprises a cavity, a first stirrer (31) is arranged in the cavity, and a heating mechanism (32) is arranged on the outer side of the cavity.
3. The triple hollow fiber membrane printing and dyeing wastewater treatment system according to claim 1, characterized in that: and a second stirrer (41) is arranged in the filling chamber (4).
4. The triple hollow fiber membrane printing and dyeing wastewater treatment system according to claim 1, characterized in that: nickel metal hollow fiber membrane subassembly (93) includes the mounting, the mounting will nickel metal hollow fiber membrane subassembly (93) is cut apart into last cavity and lower cavity, the mounting is used for being fixed in nickel metal fiber membrane in the lower cavity, it is provided with the gas vent to go up the cavity, the gas vent with hydrogen collection device (932) is connected.
5. The triple hollow fiber membrane printing and dyeing wastewater treatment system according to claim 1, characterized in that: the water yield of the ultrafiltration hollow fiber membrane component (92) is controlled between 87% and 93%.
6. The triple hollow fiber membrane printing and dyeing wastewater treatment system according to claim 1, characterized in that: the first acid liquid chamber (61) is internally stored with a hydrochloric acid solution with the concentration of 25-30%, and the second acid liquid chamber (71) is internally stored with a hydrochloric acid solution with the concentration of less than 20%.
7. The triple hollow fiber membrane printing and dyeing wastewater treatment system according to claim 1, characterized in that: a metering pump (10) is arranged between the first acid liquid chamber (61) and the first treatment chamber (6), and the metering pump (10) is used for quantitatively pumping the solution in the first acid liquid chamber (61) into the first treatment chamber (6).
8. The triple hollow fiber membrane printing and dyeing wastewater treatment system according to claim 1, characterized in that: a metering pump (10) is arranged between the second diacid liquid chamber (71) and the second processing chamber (7), and the metering pump (10) is used for quantitatively pumping the solution in the second diacid liquid chamber (71) into the second processing chamber (7).
9. The triple hollow fiber membrane printing and dyeing wastewater treatment system according to claim 1, characterized in that: a metering pump (10) is arranged between the alkali liquor chamber (72) and the second treatment chamber (7), and the metering pump (10) is used for quantitatively pumping the solution in the alkali liquor chamber (72) into the second treatment chamber (7).
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| CN201810574776.2A CN108395065B (en) | 2018-06-05 | 2018-06-05 | Triple hollow fiber membrane printing and dyeing sewage treatment system |
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| CN201810574776.2A CN108395065B (en) | 2018-06-05 | 2018-06-05 | Triple hollow fiber membrane printing and dyeing sewage treatment system |
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| CN108395065B true CN108395065B (en) | 2020-06-09 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US8480905B2 (en) * | 2011-03-03 | 2013-07-09 | Jr-Jung Iang | Method and system for recycling and treating dyeing wastewater |
| CN106746180A (en) * | 2016-11-25 | 2017-05-31 | 惠州金茂源环保科技有限公司 | Electroplating wastewater integrated approach and recovery system and method |
| CN206538302U (en) * | 2017-02-28 | 2017-10-03 | 苏州贝彩纳米科技有限公司 | A kind of water purification machine |
| CN107244786A (en) * | 2017-08-02 | 2017-10-13 | 郑州嘉晨化工科技有限公司 | A kind of coal chemical industry device for high concentration waste water treatment |
| CN107640874A (en) * | 2017-11-14 | 2018-01-30 | 安徽名创新材料科技有限公司 | The technique that a kind of MBR is combined processing dyeing waste water with membrane separation process |
| CN207313335U (en) * | 2017-09-04 | 2018-05-04 | 苏州贝彩纳米科技有限公司 | A kind of drinking water purification equipment |
-
2018
- 2018-06-05 CN CN201810574776.2A patent/CN108395065B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8480905B2 (en) * | 2011-03-03 | 2013-07-09 | Jr-Jung Iang | Method and system for recycling and treating dyeing wastewater |
| CN106746180A (en) * | 2016-11-25 | 2017-05-31 | 惠州金茂源环保科技有限公司 | Electroplating wastewater integrated approach and recovery system and method |
| CN206538302U (en) * | 2017-02-28 | 2017-10-03 | 苏州贝彩纳米科技有限公司 | A kind of water purification machine |
| CN107244786A (en) * | 2017-08-02 | 2017-10-13 | 郑州嘉晨化工科技有限公司 | A kind of coal chemical industry device for high concentration waste water treatment |
| CN207313335U (en) * | 2017-09-04 | 2018-05-04 | 苏州贝彩纳米科技有限公司 | A kind of drinking water purification equipment |
| CN107640874A (en) * | 2017-11-14 | 2018-01-30 | 安徽名创新材料科技有限公司 | The technique that a kind of MBR is combined processing dyeing waste water with membrane separation process |
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