CN101041483A - Industrial wastewater treatment method and system - Google Patents
Industrial wastewater treatment method and system Download PDFInfo
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- CN101041483A CN101041483A CN 200710084870 CN200710084870A CN101041483A CN 101041483 A CN101041483 A CN 101041483A CN 200710084870 CN200710084870 CN 200710084870 CN 200710084870 A CN200710084870 A CN 200710084870A CN 101041483 A CN101041483 A CN 101041483A
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Abstract
The invention discloses a disposing method of industrial waste water, which comprises the following steps: 1) choosing species of reactant resin through component and density of the waste water; adding into exchange device; 2) physically filtering the waste water; removing suspended matter and foreign matter; 3) leading into multistage reactant resin exchange device; using this reactant resin to absorb precious metal in the waste water; 4) breaking hydrogen; purifying; discharging tail water. This invention also discloses a system of adopting industrial waste water disposing method, which is characterized by the following: including a waste water receiving tank, a lift water pump, several pipes and valve equipping on each section of the pipe; connecting filtering column device, first exchanging column device, second exchanging device, third exchanging device consecutively according to flow path; connecting the above devices through water pump, pipe, valve and related accessory; compositing waste water disposing system; setting resinous exchanging device in the exchanging column.
Description
Technical field
The present invention relates to the technology for treating industrial waste water field, more particularly, relate to and be used for handling a kind of process for treating industrial waste water and the system that contains the precious metal ion trade effluent.
Background technology
At present,, also cause the pollution of the increase of industrial pollution, particularly industrial gaseous waste, waste water etc. in China's economy, industrial develop rapidly, progressively modern while of industry, increasing to the influence of environment.So the recirculated water utilization reaches the comprehensive treating process to trade effluent, it is extremely important just to become.Wherein, trade effluent is electroplating wastewater particularly, the water quality complexity, composition is wayward, toxicity such as noble metals such as the chromium that wherein contains, copper, cadmium, zinc, gold and silver, palladium, platinum, rhodium, nickel and prussiate are bigger, the highly toxic substance that some metal is carcinogenic, teratogenesis, mutagenicity is strong, if directly discharging, to environment and biological very harmful.Yet method of wastewater treatment more of the prior art and equipment adopt activated carbon that wherein valuable metal is adsorbed more, and then this activated carbon are carried out high-temperature calcination and obtains noble metal.This method exists that the adsorption effect difference rate of recovery is low, activated carbon can not reuse, cause shortcomings such as atmospheric pollution when calcining activated carbon, thereby can not effectively handle above-mentioned objectionable impurities, more can not under the situation of non-secondary pollution it be turned waste into wealth.Therefore, how big trade effluent of this harm is reasonably handled and utilized, become the technical task that presses for very much solution.
I disclose a kind of industrial wastewater treatment system in Chinese patent 200420102598.7, but this system is comparatively loaded down with trivial details to the desorb of reactive resin, operation aspect the regeneration, and adsorption effect also needs further raising.
Summary of the invention
One of purpose of the present invention is that the deficiency at existing method of wastewater treatment and equipment provides a kind of and can handle the process for treating industrial waste water that contains precious metal ion, it is turned waste into wealth, to its comprehensive utilization.
The objective of the invention is to also be, a kind of system that is used for realizing above-mentioned process for treating industrial waste water is provided.
For achieving the above object, technical scheme provided by the invention is:
A kind of process for treating industrial waste water is characterized in that, it may further comprise the steps:
1) selects the kind of reactive resin according to the composition of trade effluent and concentration and it is added in switch;
2) trade effluent is carried out physical filtering, remove impurity such as suspended substance;
3) make it flow into multistage reactive resin switch, this reactive resin is to processing such as materials such as the noble metal in the waste water adsorb;
4) tail water after the absorption, discharging after purifying treatment is up to standard.
Described process for treating industrial waste water is characterized in that, described step 2), also comprise the steps:
31) to the reactive resin of loaded metal ion, immerse the ammonium thiocyanate solution desorb, recover the resin activity;
32) solution and the reactive resin after the filtration desorb, and, make this resin regeneration with this solution and resin isolation;
33) will recover active resin and refill trade effluent, repeating step 3)～4).
Described process for treating industrial waste water is characterized in that, described step 32), also comprise the steps:
321) solution that will filter after the desorb carries out chemical treatment, makes metal enrichment thing and displaced liquid after the filtration;
322) will filter back liquid and add the basic solution neutralization, after the filtration solid mixture that makes be reclaimed, the filtrate repeating step 3 that makes)～4).
Described process for treating industrial waste water is characterized in that, the multistage reactive resin switch of described step 3) is connected together in series by the reactive resin switch more than three grades or three grades.
A kind of industrial wastewater treatment system that adopts preceding method, it comprises that a waste water tank, promotes water pump, plurality of conduits and is arranged on valve on each section of pipeline, it is characterized in that, it also comprises Filter column device, the first exchange column device, the second exchange column device, the 3rd exchange column device that connects by treatment scheme successively, said apparatus connects and composes Waste Water Treatment by water pump, pipeline, valve and related accessory, is provided with the resins exchange device in the described exchange column device.
Described industrial wastewater treatment system is characterized in that: it also comprises a regeneration liquid bath, and its output terminal is connected with the described first exchange column device, the second exchange column device and the 3rd exchange column device respectively; Be provided with regenerator in the described regeneration liquid bath, the regeneration liquid bath is connected with described each exchange column device by pipeline and valve.
Described industrial wastewater treatment system is characterized in that: it also comprises a desorb liquid bath, and its output terminal is connected with the described first exchange column device, the second exchange column device and the 3rd exchange column device respectively; Described each exchange column device is the cylindrical container that two ends respectively are provided with an opening about in the of, and its housing is to adopt transparent material to make.
Described industrial wastewater treatment system is characterized in that: described waste water tank and the pipeline that promotes between the water pump are provided with a valve V1; The pipeline that promotes between water pump and the filter column device is provided with a valve V2; Pipeline between importing and exporting on the import and export and the first exchange column device under the Filter column device is provided with a valve V3; Pipeline between go up the importing and exporting of the following import and export of the first exchange column device and the second exchange column device is provided with the pipeline of going up between the import and export that a valve V5, the second exchange column device import and export down with the 3rd exchange column device and is provided with a valve V7; Be provided with a valve V8, V10 successively on the pipeline on the 3rd exchange column device between import and export and the regeneration liquid bath; Pipeline on the 3rd exchange column device between import and export and the desorb liquid bath is provided with a valve V11; The pipeline that the 3rd exchange column device is imported and exported down is provided with two valve V15 in parallel, V16, and wherein V16 is communicated with a wastewater treatment discharge outlet.
Described industrial wastewater treatment system is characterized in that: between described regeneration liquid bath and the desorb liquid bath, be provided with a pipeline L1 who is communicated with; This pipeline is connected logical with regeneration liquid bath, V10, V11, desorb liquid bath successively, and by import and export on valve V4 and the first exchange column device, by importing and exporting V6 on valve V6 and the second exchange column device, being communicated with by importing and exporting on valve V8 and the 3rd exchange column device, the one end also is provided with a backwash water port and a valve V9; Described the 3rd exchange column device is imported and exported down and desorb is reclaimed between the liquid bath, is provided with a pipeline L2 who is communicated with; This pipeline is communicated with valve V12, V15 successively, and imports and exports, is communicated with the second exchange column device by valve V14 down with the first exchange column device by valve V13; It also is provided with a backwash water-in, and this mouth is provided with a valve V17; It also is provided with a regeneration discharge of wastewater mouth, and this mouth is provided with a valve V18.
Described industrial wastewater treatment system is characterized in that: when described system operation trade effluent exchanged treatment scheme, described valve V1, V2, V3, V5, V7, V16 were conducting state, and all the other valves are closing condition; When described system moved the backwash treatment scheme, described valve V17, V15, V7, V5, V4, V9 were conducting state, and all the other valves are closing condition; When described system moved exchange resin desorb treatment scheme, described valve V11, V4, V5, V7, V15, V12 were conducting state, and all the other valves are closing condition; When described system moved exchange resin manipulation of regeneration flow process, described valve V10, V4, V5, V7, V15, V18 were conducting state, and all the other valves are closing condition.
The invention has the advantages that:
1, method and system provided by the invention, easy and simple to handle, level of automation is high: the adding of reactive resin, taking-up, backwash, the desorb of loaded metal ion resin and the whole process of resin regeneration, an on off state that only needs to start different valves can be finished;
2, system provided by the invention, reasonable in design, novel structure is unique: the exchange column that the present invention adopts is that plexi-glass tubular is made, be fixed on the stainless steel stent, adopt the PVC valve to connect between each device, in system's operational process, can observe resin operation conditions in the exchange column at any time;
3, strong, the applied range of suitability of the present invention: owing to adopted the reactive resin that exchange capacity is big, selectivity is good, difference is electroplated the purpose that noble metals such as precious metal such as gold and silver in (industry) waste water, palladium, platinum and copper, nickel, zinc, chromium all can reach directed exchange.
4, system provided by the invention, floor space is little, production cost is low: utility appliance areas occupied such as system body equipment of the present invention and storage tank are less than 10 square meters, because of reactive resin renewable, production automation degree height, thereby production cost is quite low.
The present invention is further described below in conjunction with embodiment.
Description of drawings
Fig. 1 is the schema of process for treating industrial waste water of the present invention;
Fig. 2 is the structural representation of this present invention industrial wastewater treatment system.
Embodiment
Embodiment:, provide a kind of metal plating waste water treatment process and the system thereof that adopt the invention technical scheme below referring to Fig. 1.
A kind of process for treating industrial waste water, it may further comprise the steps:
1) selects the kind of reactive resin according to the composition of trade effluent and concentration and it is added in switch;
2) trade effluent is carried out physical filtering, remove impurity such as suspended substance;
3) make it flow into multistage reactive resin switch, this reactive resin is to processing such as materials such as the noble metal in the waste water adsorb;
4) tail water after the absorption, discharging after purifying treatment is up to standard.
Described step 2), also comprise the steps:
31) to the reactive resin of loaded metal ion, immerse the ammonium thiocyanate solution desorb, recover the resin activity;
32) solution and the reactive resin after the filtration desorb, and, make this resin regeneration with this solution and resin isolation;
33) will recover active resin and refill trade effluent, repeating step 3)～4).
Described step 32), also comprise the steps:
321) solution that will filter after the desorb carries out chemical treatment, makes metal enrichment thing and displaced liquid after the filtration;
322) will filter back liquid and add the basic solution neutralization, after the filtration solid mixture that makes be reclaimed, the filtrate repeating step 3 that makes)～4).
Described process for treating industrial waste water, the multistage reactive resin switch of described step 3) is connected together in series by the reactive resin switch more than three grades or three grades.
Referring to Fig. 2, a kind of industrial wastewater treatment system that adopts preceding method, it comprises that a waste water tank 1, promotes water pump 2, plurality of conduits L1, L2 and is arranged on valve on pipeline L1, each section of L2, also it comprises Filter column device 3, the first exchange column device 4, the second exchange column device 5, the 3rd exchange column device 6 that connects by treatment scheme successively, said apparatus connects and composes Waste Water Treatment by water pump, pipeline, valve and related accessory, is provided with the resins exchange device in described each exchange column device 3,4,5.
Described industrial wastewater treatment system, it also comprises a regeneration liquid bath 8, its output terminal is imported and exported with going up of the described first exchange column device 4, the second exchange column device 5 and the 3rd exchange column device 6 respectively and is connected by pipeline L1; Be provided with regenerator in the described regeneration liquid bath 8, regeneration liquid bath 8 is connected with described each exchange column device 4,5,6 by pipeline L1 and a plurality of valve.
Described industrial wastewater treatment system, it also comprises a desorb liquid bath 7, its output terminal is connected by pipeline L1 with the following import and export of the described first exchange column device 4, the second exchange column device 5 and the 3rd exchange column device 6 respectively; Described each exchange column device 4,5,6 is cylindrical containers that two ends respectively are provided with an opening about in the of, and its housing is to adopt transparent material to make.
Described waste water tank 1 and the pipeline that promotes between the water pump 2 are provided with a valve V1; The pipeline that promotes between water pump 2 and each the filter column device 4,5,6 is provided with a valve V2; Pipeline between importing and exporting on the 3 times import and export of Filter column device and the first exchange column device 4 is provided with a valve V3; The upward pipeline between the import and export of the following import and export of the first exchange column device 4 and the second exchange column device 5 is provided with a valve V5, the second exchange column device is imported and exported for 5 times and the pipeline of going up between importing and exporting of the 3rd exchange column device 6 is provided with a valve V7; Be provided with a valve V8, V10 successively on the pipeline on the 3rd exchange column device 6 between import and export and the regeneration liquid bath 8; Pipeline on the 3rd exchange column device 6 between import and export and the desorb liquid bath 7 is provided with a valve V11; The pipeline that the 3rd exchange column device 6 times is imported and exported is provided with two valve V15 in parallel, V16, and wherein V16 is communicated with a wastewater treatment discharge outlet, and treated discharge of wastewater is returned in waste water tank 1 or other containers, the pipeline.
Between described regeneration liquid bath 8 and the desorb liquid bath 7, be provided with a pipeline L1 who is communicated with; This pipeline L1 is connected with regeneration liquid bath 8, valve V10, V11, desorb liquid bath 7 successively, and by import and export on valve V4 and the first exchange column device 4, by importing and exporting V6 on valve V6 and the second exchange column device 5, being communicated with by importing and exporting on valve V8 and the 3rd exchange column device 6, the one end also is provided with a backwash water port and a valve V9; Described the 3rd exchange column device is imported and exported for 6 times and desorb is reclaimed between the liquid bath 9, is provided with a pipeline L2 who is communicated with; This pipeline L2 is communicated with valve V12, V15 successively, and imports and exports for 4 times, is communicated with the second exchange column device 5 by valve V14 with the first exchange column device by valve V13; It also is provided with a backwash water-in, and this mouth is provided with a valve V17; It also is provided with a regeneration discharge of wastewater mouth, and this mouth is provided with a valve V18.
When described system operation trade effluent exchanged treatment scheme, described valve V1, V2, V3, V5, V7, V16 were conducting state, and all the other valves are closing condition; When described system moved the backwash treatment scheme, described valve V17, V15, V7, V5, V4, V9 were conducting state, and all the other valves are closing condition; When described system moved exchange resin desorb treatment scheme, described valve V11, V4, V5, V7, V15, V12 were conducting state, and all the other valves are closing condition; When described system moved exchange resin manipulation of regeneration flow process, described valve V10, V4, V5, V7, V15, V18 were conducting state, and all the other valves are closing condition.
As the described identical or proximate method of the above embodiment of the present invention, and adopt the identical or proximate system of the present invention, resultant other process for treating industrial waste water and system are all within protection domain of the present invention.
Claims (10)
1, a kind of process for treating industrial waste water is characterized in that, it may further comprise the steps:
1) selects the kind of reactive resin according to the composition of trade effluent and concentration and it is added in switch;
2) trade effluent is carried out physical filtering, remove impurity such as suspended substance;
3) make it flow into multistage reactive resin switch, this reactive resin is to processing such as materials such as the noble metal in the waste water adsorb;
4) tail water after the absorption, discharging after purifying treatment is up to standard.
2, process for treating industrial waste water according to claim 1 is characterized in that, described step 2), also comprise the steps:
31) to the reactive resin of loaded metal ion, immerse the ammonium thiocyanate solution desorb, recover the resin activity;
32) solution and the reactive resin after the filtration desorb, and, make this resin regeneration with this solution and resin isolation;
33) will recover active resin and refill trade effluent, repeating step 3)～4).
3, process for treating industrial waste water according to claim 2 is characterized in that, described step 32), also comprise the steps:
321) solution that will filter after the desorb carries out chemical treatment, makes metal enrichment thing and displaced liquid after the filtration;
322) will filter back liquid and add the basic solution neutralization, after the filtration solid mixture that makes be reclaimed, the filtrate repeating step 3 that makes)～4).
4, process for treating industrial waste water according to claim 1 and 2 is characterized in that, the multistage reactive resin switch of described step 3) is connected together in series by the reactive resin switch more than three grades or three grades.
5, a kind of industrial wastewater treatment system that adopts the described method of claim 1, it comprises that a waste water tank, promotes water pump, plurality of conduits and is arranged on valve on each section of pipeline, it is characterized in that, it also comprises Filter column device, the first exchange column device, the second exchange column device, the 3rd exchange column device that connects by treatment scheme successively, said apparatus connects and composes Waste Water Treatment by water pump, pipeline, valve and related accessory, is provided with the resins exchange device in the described exchange column device.
6. industrial wastewater treatment system according to claim 5 is characterized in that: it also comprises a regeneration liquid bath, and its output terminal is connected with the described first exchange column device, the second exchange column device and the 3rd exchange column device respectively; Be provided with regenerator in the described regeneration liquid bath, the regeneration liquid bath is connected with described each exchange column device by pipeline and valve.
7. according to claim 5 or 6 described industrial wastewater treatment systems, it is characterized in that: it also comprises a desorb liquid bath, and its output terminal is connected with the described first exchange column device, the second exchange column device and the 3rd exchange column device respectively; Described each exchange column device is the cylindrical container that two ends respectively are provided with an opening about in the of, and its housing is to adopt transparent material to make.
8, industrial wastewater treatment system according to claim 7 is characterized in that: described waste water tank and the pipeline that promotes between the water pump are provided with a valve (V1); The pipeline that promotes between water pump and the filter column device is provided with a valve (V2); Pipeline between importing and exporting on the import and export and the first exchange column device under the Filter column device is provided with a valve (V3); Pipeline between go up the importing and exporting of the following import and export of the first exchange column device and the second exchange column device is provided with the pipeline of going up between the import and export that a valve (V5), the second exchange column device import and export down with the 3rd exchange column device and is provided with a valve (V7); Be provided with a valve (V8), (V10) successively on the pipeline on the 3rd exchange column device between import and export and the regeneration liquid bath; Pipeline on the 3rd exchange column device between import and export and the desorb liquid bath is provided with a valve (V11); The pipeline that the 3rd exchange column device is imported and exported down is provided with two valves in parallel (V15), (V16), and wherein (V16) is communicated with a wastewater treatment discharge outlet.
9, industrial wastewater treatment system according to claim 8 is characterized in that: between described regeneration liquid bath and the desorb liquid bath, be provided with a pipeline (L1) that is communicated with; This pipeline is connected logical with regeneration liquid bath, valve (V10), (V11), desorb liquid bath successively, and by import and export on valve (V4) and the first exchange column device, by import and export (V6) on valve (V6) and the second exchange column device, be communicated with by importing and exporting on valve (V8) and the 3rd exchange column device, the one end also is provided with a backwash water port and a valve (V9); Described the 3rd exchange column device is imported and exported down and desorb is reclaimed between the liquid bath, is provided with a pipeline (L2) that is communicated with; This pipeline is communicated with valve (V12), (V15) successively, and imports and exports, is communicated with the second exchange column device by valve (V14) down with the first exchange column device by valve (V13); It also is provided with a backwash water-in, and this mouth is provided with a valve (V17); It also is provided with a regeneration discharge of wastewater mouth, and this mouth is provided with a valve (V18).
10, industrial wastewater treatment system according to claim 9, it is characterized in that: when described system operation trade effluent exchanges treatment scheme, described valve (V1), (V2), (V3), (V5), (V7), (V16) are conducting state, and all the other valves are closing condition; When described system moved the backwash treatment scheme, described valve (V17), (V15), (V7), (V5), (V4), (V9) were conducting state, and all the other valves are closing condition; When described system moved exchange resin desorb treatment scheme, described valve (V11), (V4), (V5), (V7), (V15), (V12) were conducting state, and all the other valves are closing condition; When described system moved exchange resin manipulation of regeneration flow process, described valve (V10), (V4), (V5), (V7), (V15), (V18) were conducting state, and all the other valves are closing condition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710084870 CN101041483A (en) | 2007-02-16 | 2007-02-16 | Industrial wastewater treatment method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710084870 CN101041483A (en) | 2007-02-16 | 2007-02-16 | Industrial wastewater treatment method and system |
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| CN101041483A true CN101041483A (en) | 2007-09-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058420A (en) * | 2013-01-23 | 2013-04-24 | 永兴鑫裕环保镍业有限公司 | Industrial wastewater treatment system |
| CN103243348A (en) * | 2013-05-03 | 2013-08-14 | 广东新大禹环境工程有限公司 | Method and equipment for recovering heavy metal in electroplating wastewater |
| CN103476956A (en) * | 2011-03-09 | 2013-12-25 | Rti化学工程有限公司 | Method for recovering precious metal from polyketone polymerization reaction waste liquid |
| CN104326528A (en) * | 2014-11-19 | 2015-02-04 | 许天浩 | Novel resin trapper |
| CN105671317A (en) * | 2016-03-24 | 2016-06-15 | 中山品高电子材料有限公司 | Recovery system for noble metals for electroplating |
| CN110723781A (en) * | 2019-11-11 | 2020-01-24 | 四川建筑职业技术学院 | Sewage treatment device and method for removing heavy metal ions |
-
2007
- 2007-02-16 CN CN 200710084870 patent/CN101041483A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103476956A (en) * | 2011-03-09 | 2013-12-25 | Rti化学工程有限公司 | Method for recovering precious metal from polyketone polymerization reaction waste liquid |
| CN103058420A (en) * | 2013-01-23 | 2013-04-24 | 永兴鑫裕环保镍业有限公司 | Industrial wastewater treatment system |
| CN103243348A (en) * | 2013-05-03 | 2013-08-14 | 广东新大禹环境工程有限公司 | Method and equipment for recovering heavy metal in electroplating wastewater |
| CN103243348B (en) * | 2013-05-03 | 2014-09-17 | 广东新大禹环境工程有限公司 | Method and equipment for recovering heavy metal in electroplating wastewater |
| CN104326528A (en) * | 2014-11-19 | 2015-02-04 | 许天浩 | Novel resin trapper |
| CN105671317A (en) * | 2016-03-24 | 2016-06-15 | 中山品高电子材料有限公司 | Recovery system for noble metals for electroplating |
| CN110723781A (en) * | 2019-11-11 | 2020-01-24 | 四川建筑职业技术学院 | Sewage treatment device and method for removing heavy metal ions |
| CN110723781B (en) * | 2019-11-11 | 2024-06-07 | 四川建筑职业技术学院 | Sewage treatment device and treatment method for removing heavy metal ions |
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