CN1247464C - Multicomponent media composite purifying waste water processing method - Google Patents
Multicomponent media composite purifying waste water processing method Download PDFInfo
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- CN1247464C CN1247464C CN 02123919 CN02123919A CN1247464C CN 1247464 C CN1247464 C CN 1247464C CN 02123919 CN02123919 CN 02123919 CN 02123919 A CN02123919 A CN 02123919A CN 1247464 C CN1247464 C CN 1247464C
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- waste water
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- purifying waste
- composite purifying
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Abstract
The present invention relates to a multicomponent medium composite purifying waste water processing method which is suitable for processing common industrial waste water, electroplating waste water containing cyanogen or dyeing waste water with high chrominance. The present invention is characterized in that with respect to the common industrial waste water, after the common industrial waste water is processed by a first level purifying tower in a first level filtering mode, waste water is discharged into a traditional muddy water separation system; after the waste water reaches the standard, the waste water is outwards discharged; with respect to the electroplating waste water containing cyanogen or the dyeing waste water with high chrominance, after the electroplating waste or the dyeing waste water is processed by a second level purifying tower in a second level filtering mode, the electroplating waste or the dyeing waste water is discharged into the traditional muddy water separation system; after the electroplating waste or the dyeing waste water reaches the standard, the electroplating waste or the dyeing waste water is outwards discharged. The multicomponent medium composite purifying waste water processing method of the present invention reduces engineering investment by more than 20%, reduces the processing cost of the waste water by more than 50%, reduces slag quantity by 20 to 30%, has no secondary pollution of the ions of heavy metal, and has the advantages of simple technological process, no electricity consumption, no need of adding medicine or a coagulating agent, etc.
Description
Technical field: the present invention relates to organic waste water, inorganic wastewater and organic and inorganic mixed type wastewater treatment method thereof.
Background technology: in background technology, because the restriction of method of wastewater treatment, cause that its construction investment is big, cost for wastewater treatment is high, the quantity of slag is many, and produce defectives such as secondary pollution, technical process complexity, for overcoming these defectives, carried out the development of method of wastewater treatment.
Summary of the invention: the technical problem to be solved in the present invention is that a kind of multicomponent media composite purifying waste water processing method will be provided, it can make effectively wastewater treatment long-time running stably reaching standard, the quantity of slag few, do not produce the heavy metal ion secondary pollution, technical process is simple, and construction investment is little, cost for wastewater treatment is low.
The technical solution adopted for the present invention to solve the technical problems is:
Dyeing waste water for electroplating wastewater that does not contain the cyanogen root and low colourity, it is that the waste water in the wastewater disposal basin is pumped into first step scavenging tower, through first step water distribution board, again with first step scavenging tower in the cleaning action that polynary matchmaker's compounded mix carries out oxidation, reduction, neutralization, precipitation, adsorbs, contains, catalysis, mineral ion exchange multiple function handle after, after waste water enters traditional sludge-water separating system separation, clear water external standard up to standard;
Dyeing waste water for electroplating wastewater that contains the cyanogen root or high chroma, it is that waste water is entered second stage scavenging tower again through the waste water that above-mentioned first step scavenging tower carries out after the one-level filter type is handled, through second stage water distribution board, then with second stage scavenging tower in the cleaning action that the effect of polynary matchmaker's compounded mix is carried out secondary oxidation, reduction, neutralization, precipitation, adsorbs, contained, catalysis, mineral ion exchange multiple function handle after, after entering traditional sludge-water separating system separation, the clear water standard discharge;
Described first and second grade scavenging tower is the filtering type device, and the structure of tower is identical, and the polynary matchmaker's compounded mix composition in the tower is identical, and it is by the weight percent of following composition
Iron filings 80~90% carbon granules 5~18%
Sulfurous iron ore 2~5%
Form.
Polynary matchmaker's compounded mix in described first and second grade scavenging tower is by the weight percent of following composition
Iron filings 82% carbon granules 15%
Sulfurous iron ore 3%
Form.
Polynary matchmaker's compounded mix in described first and second grade scavenging tower is by the weight percent of following composition
Iron filings 85% carbon granules 12.5%
Sulfurous iron ore 2.5%
Form.
Polynary matchmaker's compounded mix in described first and second grade scavenging tower is by the weight percent of following composition
Iron filings 88% carbon granules 7.5%
Sulfurous iron ore 4.5%
Form.
Described iron filings can be pig scrap, cast iron filing, iron and steel bits.
Described carbon granules can be graphite carbon, coke, activated carbon, and diameter is 5~10 millimeters.
Polynary matchmaker's compounded mix in described first and second grade scavenging tower is a kind of composite purification material, be to be that the multiple scavenging material of major ingredient is formed with iron filings, it can utilize the potential difference between self component, and the electrochemical reaction energy is provided, need not additional power source, electrochemical reaction is carried out as usual; The electrochemical reaction product participates in chemical reaction, need not add medicine, and chemical reaction carries out as usual; Chemical reaction product is that physical action carrier, mineral ion exchange screen out material with the film class, need not add coagulating agent, and physical action carries out as usual; Some element has extraordinary katalysis in the component, can dissolve many technological difficulties such as decolouring, deodorizing, contact break.The foundation and the application of this roller degree of depth energy saver mode reduce waste water running cost significantly.This absorption of technology classical electrochemical theory, chemical reaction mechanism, physical action and modern mineral ion exchange theory, membrane technique, ultrafine particulate theory, and these purification functions are combined together, at waste water during by polynary matchmaker's compounded mix, the cleaning action that oxidation, reduction, neutralization, precipitation take place simultaneously, adsorb, contain, catalysis, mineral ion exchanges multiple function, thus wastewater treatment obtains effect up to standard steady in a long-term.
The present invention compares the beneficial effect that is produced with background technology:
1, according to the difference of waste water, adopts one-level or secondary purification tower, and in scavenging tower, put into polynary matchmaker's compounded mix, make waste water fully act on purifying treatment, the long-time running stably reaching standard.Through test, can reduce the waste water treatment engineering investment more than 20%, can reduce cost for wastewater treatment more than 50%, can reduce the quantity of slag 20~30%, and heavy metal ion slag non-secondary pollution.
2, technical process is simple, not power consumption, need not dosing and coagulating agent.
Description of drawings: Fig. 1 handles the process flow sheet of the dyeing waste water of the electroplating wastewater that do not contain the cyanogen root and low colourity for first class purification of the present invention.
Fig. 2 handles the process flow sheet of the dyeing waste water of the electroplating wastewater that contains the cyanogen root or high chroma for secondary purification of the present invention.
Embodiment: referring to accompanying drawing 1, dyeing waste water (as the waste water except that the dyeing waste water of electroplating wastewater that contains the cyanogen root and high chroma such as surplus look decolouring of board wastewater, cyanideless electro-plating waste water, light degree dyeing waste water and biochemical back dyeing waste water) for electroplating wastewater that does not contain the cyanogen root and low colourity, it is that the waste water in the water collecting basin is pumped into first step scavenging tower, through first step water distribution board, with the polynary matchmaker's compounded mix effect in the first step scavenging tower, after carrying out the filter type processing, after waste water enters traditional sludge-water separating system separation, the clear water standard discharge.
Referring to accompanying drawing 2, for the dyeing waste water of electroplating wastewater that contains the cyanogen root or high chroma (as high chroma dye vat waste liquid, contain the electroplating wastewater of cyanogen root), it is that the waste water in the water collecting basin is pumped into first step scavenging tower, through first step water distribution board, with the polynary matchmaker's compounded mix effect in the first step scavenging tower, after carrying out the filter type processing, waste water enters second stage scavenging tower, through second stage water distribution board, then with second stage scavenging tower in the effect of polynary matchmaker's compounded mix, carry out once more after filter type handles, after entering traditional sludge-water separating system and separating, the clear water standard discharge.
Contact break ability of the present invention is strong, when having multiple complexing agent to exist, the removal of heavy metal ions in wastewater, not after processing, can be up to standard, when being used for the improvement of board wastewater, can solve ammonia to the severe jamming of copper treatment effect, solve board wastewater and process employing coagulant sedimentation Cu2+Common fault that can not be up to standard and contain cyanogen The difficult problem of comprehensive heavy metal in electroplating wastewater ion difficulty up to standard, meanwhile complexing Thing is decomposed, and does not affect subsequent treatment, obtains preferably clean-up effect.
Decoloring ability of the present invention is strong, in the decolouring and the improvement that are used for the dye tank waste liquid The time, to the decolouring of hydrophobic dye waste water, mainly remove by means of electrocoagulation; Right The decolouring of hydrophilic dye wastewater mainly destroys dye molecule by addition reaction Two keys disappear color. Can solve the difficult problem of decolorizing printing and dyeing waste water difficulty, have and take off Look fast, cost is low, the few texts of the quantity of slag.
Claims (10)
1, a kind of multicomponent media composite purifying waste water processing method is characterized in that:
Dyeing waste water for electroplating wastewater that does not contain the cyanogen root and low colourity, it is that the waste water in the wastewater disposal basin is pumped into first step scavenging tower, through first step water distribution board, again with first step scavenging tower in the cleaning action that polynary matchmaker's compounded mix carries out oxidation, reduction, neutralization, precipitation, adsorbs, contains, catalysis, mineral ion exchange multiple function handle after, after waste water enters traditional sludge-water separating system separation, the clear water standard discharge;
For electroplating wastewater that contains the cyanogen root or high chroma dyeing waste water, it is that waste water is entered second stage scavenging tower again through the waste water that above-mentioned first step scavenging tower carries out after the first class purification effect is handled, through second stage water distribution board, then with second stage scavenging tower in the cleaning action that polynary matchmaker's compounded mix carries out secondary oxidation, reduction, neutralization, precipitation, adsorbs, contains, catalysis, mineral ion exchange multiple function handle after, after entering traditional sludge-water separating system separation, the clear water standard discharge;
Described first and second grade scavenging tower is the filtering type device, and the structure of tower is identical, and the polynary matchmaker's compounded mix composition in the tower is identical, and it is by the weight percent of following composition
Iron filings 80~90% carbon granules 5~18%
Sulfurous iron ore 2~5%
Form.
2, multicomponent media composite purifying waste water processing method according to claim 1 is characterized in that polynary matchmaker's compounded mix in described first and second grade scavenging tower is by the weight percent of following composition
Iron filings 82% carbon granules 15%
Sulfurous iron ore 3%
Form.
3, multicomponent media composite purifying waste water processing method according to claim 1 is characterized in that polynary matchmaker's compounded mix in described first and second grade scavenging tower is by the weight percent of following composition
Iron filings 85% carbon granules 12.5%
Sulfurous iron ore 2.5%
Form.
4, multicomponent media composite purifying waste water processing method according to claim 1 is characterized in that polynary matchmaker's compounded mix in described first and second grade scavenging tower is by the weight percent of following composition
Iron filings 88% carbon granules 7.5%
Sulfurous iron ore 4.5%
Form.
5, multicomponent media composite purifying waste water processing method according to claim 1 is characterized in that described iron filings are pig scrap.
6, multicomponent media composite purifying waste water processing method according to claim 1 is characterized in that described iron filings are cast iron filing.
7, multicomponent media composite purifying waste water processing method according to claim 1 is characterized in that described iron filings are the iron and steel bits.
8, multicomponent media composite purifying waste water processing method according to claim 1 is characterized in that described carbon granules is a graphite carbon.
9, multicomponent media composite purifying waste water processing method according to claim 1 is characterized in that described carbon granules is a coke.
10, multicomponent media composite purifying waste water processing method according to claim 1 is characterized in that described carbon granules is an activated carbon.
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CN 02123919 CN1247464C (en) | 2002-07-10 | 2002-07-10 | Multicomponent media composite purifying waste water processing method |
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CN 02123919 CN1247464C (en) | 2002-07-10 | 2002-07-10 | Multicomponent media composite purifying waste water processing method |
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CN1247464C true CN1247464C (en) | 2006-03-29 |
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CN102092836A (en) * | 2010-09-09 | 2011-06-15 | 浙江亿康环保工程有限公司 | Ferric carbon tower for sewage treatment |
PL2447220T3 (en) * | 2010-11-02 | 2016-03-31 | Montanuniv Leoben | Continuously removing contaminants from aqueous fluids |
CN103288305B (en) * | 2013-07-01 | 2014-07-16 | 大唐国际化工技术研究院有限公司 | Slack coal pressure gasification wastewater recycling treatment method and treatment system as well as application |
CN104891704A (en) * | 2015-05-05 | 2015-09-09 | 岳嵩 | High-salt content waste water treatment method |
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