CN102464397A - Composite zinc removing agent for treating wastewater containing zinc - Google Patents
Composite zinc removing agent for treating wastewater containing zinc Download PDFInfo
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- CN102464397A CN102464397A CN2011103193591A CN201110319359A CN102464397A CN 102464397 A CN102464397 A CN 102464397A CN 2011103193591 A CN2011103193591 A CN 2011103193591A CN 201110319359 A CN201110319359 A CN 201110319359A CN 102464397 A CN102464397 A CN 102464397A
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Abstract
The invention discloses a composite zinc removing agent for treating wastewater containing zinc, belonging to the field of sewage treatment in environmental protection. The composite zinc removing agent is prepared by compounding organic matters and inorganic matters, wherein the organic matters comprise one or two of sodium citrate, tricalcium citrate, sodium oxalate, potassium oxalate and hydroxyethylidene bisphosphonate, and the inorganic matters comprise two or more of sodium sulfide, magnesium sulfide, ferrous sulfate and aluminum sulfate; in terms of mass ration, the sodium citrate accounts for 20 to 80 percent, the tricalcium citrate accounts for 20 to 80 percent, the sodium oxalate accounts for 20 to 80 percent, the potassium oxalate accounts for 20 to 80 percent, the hydroxyethylidene bisphosphonate accounts for 20 to 80 percent, the sodium sulfide accounts for 10 to 40 percent, the magnesium sulfide accounts for 10 to 40 percent, the ferrous sulfate accounts for 10 to 40 percent, and the aluminum sulfate accounts for 10 to 40 percents; and the composite zinc removing agent prepared according to the proportion is added into the wastewater containing the zinc under the condition that a pH value is between 4.0 and 6.0, the wastewater is stirred for 10 to 30 minutes and is subjected to air flotation treatment, a layer of residue floating on the surface of the wastewater is finally scraped by using a scraping machine, and yielding water can be lower the national discharge standard I. The composite zinc removing agent has the characteristics of simple process flow, lower running cost, no sludge generation, high zinc removing effect and the like.
Description
Technical field
The present invention relates to a kind of compound dezincification agent of Treatment of Zinc-containing Wastewater, particularly handle the waste water of zinc concentration in 10～100mg/L scope, belong to field of waste water treatment in the environment protection.
Background technology
The discharging of zinc-containing water has serious harm to HUMAN HEALTH and industrial or agricultural activity; Have harm such as persistence, toxicity be big, seriously polluted; In case can not be behind the entering environment by biological degradation, great majority are participated in the food chain circulation, and finally accumulation in vivo; Destroy organism normal physiological Metabolic activity, be detrimental to health.Along with the day by day increase of the mankind to activities in production such as the exploitation of heavy metal, smelting, processing, the heavy metal wastewater thereby of generation is all to increase greatly in quantity or on the kind, has caused serious environmental to pollute and the wasting of resources.Therefore the improvement of zinc-containing water is still one in environmental protection field, the world has problem to be solved.
At present; Handle the difference of means both at home and abroad according to it; Can be divided into physico-chemical process and biological process, the form that in solution, exists according to zinc is different, and treatment process commonly used is divided two types: the first kind is to make the zine ion that is dissolved state in the waste water change insoluble heavy metal compound into; Remove from waste water through deposition or the floating method that goes up, concrete grammar has chemical precipitation method, ion exchange method, absorption method etc.; Second type is heavy metal in the waste water is concentrated under the condition that does not change its chemical form and to separate, and concrete grammar has reverse osmosis method, electroosmose process, evaporation concentration method.Problems such as these class methods can effectively be removed the zinc in the waste water, but it is big all to exist investment, and working cost is high, and the shipwreck after the improvement is with up to standard, and sludge yield is big.
Therefore for overcoming the deficiency of prior art; The invention provides a kind of compound dezincification agent of Treatment of Zinc-containing Wastewater; This inventive method technical process is simple, and running cost is low, obvious processing effect; The entrapped zinc ionic concn is lower than 0.2mg/L in the water after primary treatment, is lower than the first discharge standard of national regulation; Do not have deposition and produce, can not cause secondary pollution, and all recyclable utilization of the MOX in water outlet and the waste water.
Summary of the invention
The objective of the invention is for overcoming the deficiency of prior art; Provide a kind of the processing to contain the compound dezincification agent that zinc concentration is 10mg/L～100mg/L in the waste water; This compound dezincification agent technical process is simple, and running cost is low, obvious processing effect; The entrapped zinc ionic concn is lower than 0.2mg/L in the water after primary treatment, is lower than the first discharge standard of national regulation; Do not have deposition and produce, can not cause secondary pollution, and all recyclable utilization of the MOX in water outlet and the waste water.
The technical scheme that the present invention adopts is:
This compound dezincification agent is by organism and inorganics is composite forms.
Described organism is Trisodium Citrate, citric acid tricalcium, sodium oxalate, potassium oxalate, hydroxyl and in the ethylene-diphosphonic hydrochlorate one or both.
Described inorganics is two or more in sodium sulphite, magnesium sulfide, ferrous sulfate, the Tai-Ace S 150.
By accounting for compound dezincification agent total mass per-cent, described organism is Trisodium Citrate 20%～80%, citric acid tricalcium 20%～80%, sodium oxalate 20%～80%, potassium oxalate 20%～80%, hydroxyl and ethylene-diphosphonic hydrochlorate 20%～80%; Described inorganics is sodium sulphite 10%～40%, magnesium sulfide 10%～40%, ferrous sulfate 10%～40%, Tai-Ace S 150 10%～40%.
The application method of this compound dezincification agent is: organism and the composite dezincification agent that forms of inorganics are joined in the zinc-containing water; The amount that adds is 5～20ppm; With acid the pH value is adjusted to 4.0～6.0, stirs after 10～30min, the waste water of gained carries out air supporting again to be handled; Strike off one deck residue that floats over the waste water surface with slag scraper at last, water outlet can reach national grade one discharge standard.
The invention has the beneficial effects as follows:
(1) technical process is simple, and running cost is low;
(2) obvious processing effect, the entrapped zinc ionic concn is lower than 0.2mg/L in the water after primary treatment, is lower than the first discharge standard of national regulation;
(3) do not have deposition and produce, can not cause secondary pollution, and all recyclable utilization of the MOX in water outlet and the waste water.
Embodiment
The compound dezincification agent of the present invention is by organism and inorganics is composite forms, and described organism is Trisodium Citrate, citric acid tricalcium, sodium oxalate, potassium oxalate, hydroxyl and in the ethylene-diphosphonic hydrochlorate one or both; Described inorganics is two or more in sodium sulphite, magnesium sulfide, ferrous sulfate, the Tai-Ace S 150.
The shared mass ratio of above-mentioned compound dezincification agent is respectively: described organism is Trisodium Citrate 20%～80%, citric acid tricalcium 20%～80%, sodium oxalate 20%～80%, potassium oxalate 20%～80%, hydroxyl and ethylene-diphosphonic hydrochlorate 20%～80%; Described inorganics is sodium sulphite 10%～40%, magnesium sulfide 10%～40%, ferrous sulfate 10%～40%, Tai-Ace S 150 10%～40%.
The dezincification method of Treatment of Zinc-containing Wastewater is: the compound dezincification agent that aforementioned proportion is joined joins and contains in the waste water of zinc concentration in 10mg/L～100mg/L scope, and add-on is 5～20ppm; With acid waste water is regulated pH to 4.0～6.0, stir after 10～30min, the waste water of gained carries out air supporting again to be handled, and strikes off one deck residue that floats over the waste water surface with slag scraper at last, and water outlet can reach national grade one discharge standard.
Instance 1
By accounting for compound dezincification agent total mass per-cent, sodium oxalate 20%, magnesium sulfide 40%, ferrous sulfate 40% are made into compound dezincification agent, handle containing zinc in certain pharmacy waste water; Zinc content 100mg/L in the waste water gets 15mL dezincification agent and joins in the zinc-containing water during test, the pH value is adjusted to 4.5; Stir 15min; The waste water of gained carries out air supporting again to be handled, and strikes off one deck residue that floats over the waste water surface with slag scraper at last, does not detect zinc in the water outlet.
Instance 2
By accounting for compound dezincification agent total mass per-cent, just potassium oxalate 80%, magnesium sulfide 10%, Tai-Ace S 150 10% are made into compound dezincification agent, handle containing zinc in certain wastewater from chemical industry; Zinc content 80mg/L in the waste water gets 13mL dezincification agent and joins in the zinc-containing water during test, the pH value is adjusted to 5.0; Stir 20min; The waste water of gained carries out air supporting again to be handled, and strikes off zinc content 0.04mg/L in the water outlet to one deck residue that floats over the waste water surface with slag scraper at last.
Instance 3
By accounting for compound dezincification agent total mass per-cent, with Trisodium Citrate 35%, hydroxyl and ethylene-diphosphonic hydrochlorate 30%, sodium sulphite 15%, magnesium sulfide 20% are made into compound dezincification agent, handle containing zinc in certain wastewater from chemical industry; Zinc content 70mg/L in the waste water gets 16mL dezincification agent and joins in the zinc-containing water during test, the pH value is adjusted to 5.3; Stir 25min; The waste water of gained carries out air supporting again to be handled, and strikes off one deck residue that floats over the waste water surface with slag scraper at last, and water outlet does not detect zinc.
Instance 4
By accounting for compound dezincification agent total mass per-cent; With hydroxyl and ethylene-diphosphonic hydrochlorate 45%, potassium oxalate 25%, ferrous sulfate 10%, Tai-Ace S 150 20% are made into compound dezincification agent, handle zinc content 50mg/L in the waste water to containing zinc in certain pharmacy waste water; Getting 15mL dezincification agent during test joins in the zinc-containing water; The pH value is adjusted to 5.6, stirs 20min, the waste water of gained carries out air supporting again to be handled; Strike off one deck residue that floats over the waste water surface with slag scraper at last, zinc content is 0.05mg/L in the water outlet.
Instance 5
By accounting for compound dezincification agent total mass per-cent, with hydroxyl and ethylene-diphosphonic hydrochlorate 55%, sodium oxalate 20%, sodium sulphite 10%, Tai-Ace S 150 15% are made into compound dezincification agent, handle containing zinc in certain wastewater from chemical industry; Zinc content 20mg/L in the waste water gets 15mL dezincification agent and joins in the zinc-containing water during test, the pH value is adjusted to 5.8; Stir 30min; The waste water of gained carries out air supporting again to be handled, and strikes off one deck residue that floats over the waste water surface with slag scraper at last, and water outlet does not detect zinc.
Claims (6)
1. the compound dezincification agent of a Treatment of Zinc-containing Wastewater; It is characterized in that: this compound dezincification agent is by organism and inorganics is composite forms, and described organism is Trisodium Citrate, citric acid tricalcium, sodium oxalate, potassium oxalate, hydroxyl and in the ethylene-diphosphonic hydrochlorate one or both; Described inorganics is two or more in sodium sulphite, magnesium sulfide, ferrous sulfate, the Tai-Ace S 150.
2. the compound dezincification agent of a kind of Treatment of Zinc-containing Wastewater according to claim 1 is characterized in that: by accounting for compound dezincification agent total mass per-cent, sodium oxalate 20%, magnesium sulfide 40%, ferrous sulfate 40% are made into compound dezincification agent.
3. the compound dezincification agent of a kind of Treatment of Zinc-containing Wastewater according to claim 1 is characterized in that: by accounting for compound dezincification agent total mass per-cent, sodium oxalate 80%, magnesium sulfide 10%, Tai-Ace S 150 10% are made into compound dezincification agent.
4. the compound dezincification agent of a kind of Treatment of Zinc-containing Wastewater according to claim 1; It is characterized in that: by accounting for compound dezincification agent total mass per-cent, with Trisodium Citrate 35%, hydroxyl and ethylene-diphosphonic hydrochlorate 30%, sodium sulphite 15%, magnesium sulfide 20% are made into compound dezincification agent.
5. the compound dezincification agent of a kind of Treatment of Zinc-containing Wastewater according to claim 1; It is characterized in that: by accounting for compound dezincification agent total mass per-cent, with hydroxyl and ethylene-diphosphonic hydrochlorate 45%, methyl ethyl oxalate 25%, ferrous sulfate 10%, Tai-Ace S 150 20% are made into compound dezincification agent.
6. the compound dezincification agent of a kind of Treatment of Zinc-containing Wastewater according to claim 1; It is characterized in that: by accounting for compound dezincification agent total mass per-cent, with hydroxyl and ethylene-diphosphonic hydrochlorate 55%, sodium oxalate 20%, sodium sulphite 10%, Tai-Ace S 150 15% are made into compound dezincification agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103193591A CN102464397A (en) | 2011-10-20 | 2011-10-20 | Composite zinc removing agent for treating wastewater containing zinc |
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| CN2011103193591A CN102464397A (en) | 2011-10-20 | 2011-10-20 | Composite zinc removing agent for treating wastewater containing zinc |
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| CN102464397A true CN102464397A (en) | 2012-05-23 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102976466A (en) * | 2012-12-11 | 2013-03-20 | 常州大学 | Compound barium remover for treating baric wastewater |
| CN103014760A (en) * | 2013-01-09 | 2013-04-03 | 广西有色金属集团汇元锰业有限公司 | Production method of electrolytic manganese metal |
| CN103043769A (en) * | 2012-12-07 | 2013-04-17 | 常州大学 | Compound agent for removing lead from waste water |
| CN103074490A (en) * | 2013-01-09 | 2013-05-01 | 广西有色金属集团汇元锰业有限公司 | Purification method in electrolytic metal manganese production process by multi-mine method |
| CN105399215A (en) * | 2015-12-18 | 2016-03-16 | 苏州市金星工艺镀饰有限公司 | Wastewater treatment agent used for electroplating wastewater treatment |
| CN105565507A (en) * | 2015-12-18 | 2016-05-11 | 苏州市金星工艺镀饰有限公司 | Method for preparing electroplating wastewater treating agent |
| CN106830261A (en) * | 2017-03-07 | 2017-06-13 | 苏州清控环保科技有限公司 | A kind of heavy metal chelating agent and preparation method thereof |
| CN110642425A (en) * | 2019-10-12 | 2020-01-03 | 广州超邦化工有限公司 | Treatment method of trivalent chromium passivation wastewater containing hydrofluoric acid and carboxylic acid |
| CN110642395A (en) * | 2019-10-12 | 2020-01-03 | 广州超邦化工有限公司 | Method for treating fluoride ion-containing sulfate trivalent chromium plating wastewater |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740099A (en) * | 2004-08-25 | 2006-03-01 | 长彰德 | Coagulant for cleaning polluted water or contaminated water |
-
2011
- 2011-10-20 CN CN2011103193591A patent/CN102464397A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740099A (en) * | 2004-08-25 | 2006-03-01 | 长彰德 | Coagulant for cleaning polluted water or contaminated water |
Non-Patent Citations (1)
| Title |
|---|
| 蒋文天 等: "复合高分子絮凝剂在废水处理中的应用发展", 《工业水处理》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043769A (en) * | 2012-12-07 | 2013-04-17 | 常州大学 | Compound agent for removing lead from waste water |
| CN102976466A (en) * | 2012-12-11 | 2013-03-20 | 常州大学 | Compound barium remover for treating baric wastewater |
| CN103014760A (en) * | 2013-01-09 | 2013-04-03 | 广西有色金属集团汇元锰业有限公司 | Production method of electrolytic manganese metal |
| CN103074490A (en) * | 2013-01-09 | 2013-05-01 | 广西有色金属集团汇元锰业有限公司 | Purification method in electrolytic metal manganese production process by multi-mine method |
| CN103074490B (en) * | 2013-01-09 | 2014-03-12 | 广西有色金属集团汇元锰业有限公司 | Purification method in electrolytic metal manganese production process by multi-mine method |
| CN103014760B (en) * | 2013-01-09 | 2015-04-15 | 广西有色金属集团汇元锰业有限公司 | Production method of electrolytic manganese metal |
| CN105399215A (en) * | 2015-12-18 | 2016-03-16 | 苏州市金星工艺镀饰有限公司 | Wastewater treatment agent used for electroplating wastewater treatment |
| CN105565507A (en) * | 2015-12-18 | 2016-05-11 | 苏州市金星工艺镀饰有限公司 | Method for preparing electroplating wastewater treating agent |
| CN106830261A (en) * | 2017-03-07 | 2017-06-13 | 苏州清控环保科技有限公司 | A kind of heavy metal chelating agent and preparation method thereof |
| CN110642425A (en) * | 2019-10-12 | 2020-01-03 | 广州超邦化工有限公司 | Treatment method of trivalent chromium passivation wastewater containing hydrofluoric acid and carboxylic acid |
| CN110642395A (en) * | 2019-10-12 | 2020-01-03 | 广州超邦化工有限公司 | Method for treating fluoride ion-containing sulfate trivalent chromium plating wastewater |
| CN110642395B (en) * | 2019-10-12 | 2021-10-08 | 广州超邦化工有限公司 | Method for treating fluoride ion-containing sulfate trivalent chromium plating wastewater |
| CN110642425B (en) * | 2019-10-12 | 2021-10-08 | 广州超邦化工有限公司 | Treatment method of trivalent chromium passivation wastewater containing hydrofluoric acid and carboxylic acid |
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Application publication date: 20120523 |