CN108793482A - One kind containing Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid - Google Patents
One kind containing Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid Download PDFInfo
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- CN108793482A CN108793482A CN201810776621.7A CN201810776621A CN108793482A CN 108793482 A CN108793482 A CN 108793482A CN 201810776621 A CN201810776621 A CN 201810776621A CN 108793482 A CN108793482 A CN 108793482A
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- Prior art keywords
- waste water
- sulfuric acid
- smelting wastewater
- dyeing waste
- combined treatment
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- 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
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Removal Of Specific Substances (AREA)
Abstract
One kind containing Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid, belong to technical field of waste water processing.It is as follows：Containing Cu2+Dosage with adsorbent in the smelting wastewater of sulfuric acid is 20g/L~40g/L, for adsorbing the Cu in waste water2+, adsorption time is 1~3h；Cu will be contained after adsorption reaction2+Press filtration is carried out with the smelting wastewater of sulfuric acid, supernatant discharges after carrying out advanced treating；It will be through peracid treatment and loaded Cu2+Filter residue afterwards, which is added in dyeing waste water, carries out adsorption reaction, and adsorption time is 2~4h；Dyeing waste water after adsorption reaction is separated by solid-liquid separation through press filtration；It is recycled after being separated by solid-liquid separation obtained supernatant advanced treating or qualified discharge, filter residue enters firepower factory combustion power generation secondary use.The present invention will contain Cu by the suction-operated of adsorbent2+Combined Treatment is carried out with dyeing waste water with the smelting wastewater of sulfuric acid, has achieved the purpose that while having handled two kinds of waste water, significantly reduced the cost of wastewater treatment, there is higher economic benefit.
Description
Technical field
The present invention relates to a kind of waste water combined treatment process, especially one kind containing Cu suitable for smelting process2+And sulfuric acid
Smelting wastewater and dyeing waste water combined treatment process, belong to field of waste water treatment.
Background technology
A large amount of waste water are will produce in smelting process, wherein containing Cu2+Smelting wastewater with sulfuric acid is in copper metallurgy production process
The waste water of discharge, water sample acidity is higher, and contains a large amount of Cu2+Etc. heavy metal ion.Processing contains Cu at present2+With the smelting of sulfuric acid
There are many technology category of waste water, and most common processing method is that milk of lime is added into water sample to be neutralized, and heavy metal is made to generate
Hydroxide precipitates.But this method cost is higher, and a large amount of sludge is will produce, secondary pollution is generated to environment.
Dyeing waste water is the general name of the waste water of printing and dyeing each road technique discharge, and water-quality constituents is complex, has that water is big, has
The features such as machine pollutant load is high, coloration is deep, biodegradability is poor, belongs to one of intractable industrial wastewater, and common printing and dyeing are useless
Method for treating water has bioanalysis, Physical and chemical method.Dyeing waste water has stronger intoxicating, carcinogenicity, to Ecological Stabilization and people
Class health has huge threat.
If it follows that containing Cu2+With the smelting wastewater of sulfuric acid and dyeing waste water direct emission, to environmental and human health impacts meeting
Generate greatly harm, it is necessary to be pocessed to it, make its qualified discharge.Therefore providing a kind of can handle both waste water
Method is of crucial importance.
Invention content
Technical problem：The invention aims to overcome shortcoming in the prior art, provide a kind of containing Cu2+And sulfuric acid
Smelting wastewater and dyeing waste water combined treatment process, connected two kinds of waste water of processing using absorption method, make to contain Cu2+With the smelting of sulfuric acid
Refining two kinds of waste water energies of waste water and dyeing waste water, which access, to be effectively treated, and reaches discharge standard, has efficient, easy to operate, economical
The features such as at low cost, energy conservation and environmental protection.
Technical solution：To realize the above-mentioned technical purpose, of the invention to contain Cu2+Join with dyeing waste water with the smelting wastewater of sulfuric acid
Treatment process is closed, is handled using absorption method and contains Cu2+With the smelting wastewater of sulfuric acid, its step are as follows：
(1) to containing Cu2+Adsorbent is added in the smelting wastewater of sulfuric acid, for adsorbing the Cu in waste water2+, the absorption
The dosage of agent is 20~40g/L；
(2) Cu will be contained after adsorption reaction2+Press filtration is carried out with the smelting wastewater of sulfuric acid, the supernatant after press filtration is carried out deep
It is discharged after degree processing, the filter residue of loaded Cu 2+ and sulfuric acid after press filtration is added in dyeing waste water and carry out adsorption reaction；
(3) it is separated by solid-liquid separation after carrying out press filtration to the dyeing waste water after adsorption treatment of connecting；
(4) it is recycled after carrying out advanced treating to the obtained supernatant of separation of solid and liquid or qualified discharge, gained filter residue can
It is sent into firepower factory combustion power generation to be utilized again, avoids causing secondary pollution to environment.
The adsorbent is activated carbon, semicoke or coke.
It is that first supernatant is sent in filtering and ultrafiltration system to be filtered that the supernatant, which carries out advanced treating, so
Backward by filtered waste water plus sodium hydroxide, carrying out acid-base neutralization processing, adjust the acid-base value of water outlet to PH be neutrality.
Described contains Cu2+With the waste water acidity of sulfuric acid up to 10%.
The adsorption time for adsorbing the Cu2+ in waste water is 1~3h.
The loaded Cu by after press filtration2+When being added to the absorption for carrying out adsorption reaction in dyeing waste water with the filter residue of sulfuric acid
Between be 2~4h.
Advantageous effect：By adopting the above-described technical solution, suction-operated of the present invention by adsorbent, will contain Cu2+With
The smelting wastewater of sulfuric acid carries out Combined Treatment with dyeing waste water, makes to contain Cu2+It is useless with two kinds of the smelting wastewater and dyeing waste water of sulfuric acid
Water can be effectively addressed, and achieved the purpose that while having handled two kinds of waste water, significantly reduced the cost of wastewater treatment, have
Higher economic benefit.Its method is simple, easy to operate, while handling two kinds of waste water and reaching discharge standard, has efficient, operation
Simply, the features such as economic cost is low, energy conservation and environmental protection.
Specific implementation mode
The present invention's contains Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid, is handled and contained using absorption method
Cu2+With the smelting wastewater of sulfuric acid, it is as follows：
(1) to containing Cu2+Adsorbent is added in the smelting wastewater of sulfuric acid, for adsorbing the Cu in waste water2+, adsorption time
For 1~3h；The dosage of the adsorbent is 20~40g/L, and the adsorbent is activated carbon, semicoke or coke.
(2) Cu will be contained after adsorption reaction2+Press filtration is carried out with the smelting wastewater of sulfuric acid, the supernatant after press filtration is carried out deep
It is discharged after degree processing, the filter residue of loaded Cu 2+ and sulfuric acid after press filtration is added in dyeing waste water and carry out adsorption reaction, adsorbed
Reaction time is 2~4h；Described contains Cu2+With the waste water acidity of sulfuric acid up to 10%.Contain Cu since activated carbon first adsorbs2+And sulphur
The smelting wastewater of acid, the acidity of waste water can reach 10%, and it is exactly to carry out acid to it that activated carbon impregnates several hours inside waste water
The process of processing, acid adding again that need not be additional are handled.
The advanced treating is that waste water enters filtering and ultrafiltration system is handled, and is finally being carried out at acid-base neutralization
Reason.
The acid processing is adsorbent containing Cu2+Immersion treatment is carried out with the smelting wastewater of sulfuric acid.
(3) it is separated by solid-liquid separation after carrying out press filtration to the dyeing waste water after two kinds of waste water connect adsorption treatment；
(4) it is recycled after carrying out advanced treating to the obtained supernatant of separation of solid and liquid or qualified discharge, gained filter residue can
It is sent into firepower factory combustion power generation to be utilized again, avoids causing secondary pollution to environment.
With reference to specific implementation case, invention is further described in detail：
Embodiment 1, one kind containing Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid：Containing Cu2+And sulphur
Adsorbent is added in the smelting wastewater of acid, the dosage of adsorbent is 20g/L, for adsorbing the Cu in waste water2+, adsorption time is
1h；Cu will be contained after adsorption reaction2+Press filtration is carried out with the smelting wastewater of sulfuric acid, supernatant discharges after carrying out advanced treating, through acid
Processing and loaded Cu2+Filter residue afterwards, which is added in dyeing waste water, carries out adsorption reaction, adsorption time 2h；Print after adsorption reaction
Waste water is contaminated through press filtration, is separated by solid-liquid separation；It is recycled after being separated by solid-liquid separation obtained supernatant advanced treating or qualified discharge, filter
Slag enters firepower factory combustion power generation secondary use.
Embodiment 2, one kind containing Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid：Containing Cu2+And sulphur
Adsorbent is added in the smelting wastewater of acid, the dosage of adsorbent is 30g/L, for adsorbing the Cu in waste water2+, adsorption time is
2h；Cu will be contained after adsorption reaction2+Press filtration is carried out with the smelting wastewater of sulfuric acid, supernatant discharges after carrying out advanced treating, through acid
Processing and loaded Cu2+Filter residue afterwards, which is added in dyeing waste water, carries out adsorption reaction, adsorption time 3h；Print after adsorption reaction
Waste water is contaminated through press filtration, is separated by solid-liquid separation；It is recycled after being separated by solid-liquid separation obtained supernatant advanced treating or qualified discharge, filter
Slag enters firepower factory combustion power generation secondary use.
Embodiment 3, one kind containing Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid：Containing Cu2+And sulphur
Adsorbent is added in the smelting wastewater of acid, the dosage of adsorbent is 40g/L, for adsorbing the Cu in waste water2+, adsorption time is
3h；Cu will be contained after adsorption reaction2+Press filtration is carried out with the smelting wastewater of sulfuric acid, supernatant discharges after carrying out advanced treating, through acid
Processing and loaded Cu2+Filter residue afterwards, which is added in dyeing waste water, carries out adsorption reaction, adsorption time 4h；Print after adsorption reaction
Waste water is contaminated through press filtration, is separated by solid-liquid separation；It is recycled after being separated by solid-liquid separation obtained supernatant advanced treating or qualified discharge, filter
Slag enters firepower factory combustion power generation secondary use.
Claims (6)
1. one kind containing Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid, it is characterised in that：At absorption method
Reason contains Cu2+With the smelting wastewater of sulfuric acid, its step are as follows：
（1）To containing Cu2+Adsorbent is added in the smelting wastewater of sulfuric acid, for adsorbing the Cu in waste water2+, the throwing of the adsorbent
Dosage is 20 ~ 40 g/L；
（2）Cu will be contained after adsorption reaction2+Press filtration is carried out with the smelting wastewater of sulfuric acid, depth is carried out to the supernatant after press filtration
It is discharged after reason, by the loaded Cu after press filtration2+It is added in dyeing waste water with the filter residue of sulfuric acid and carries out adsorption reaction；
（3）It is separated by solid-liquid separation after carrying out press filtration to the dyeing waste water after two kinds of waste water connect adsorption treatment；
（4）It is recycled after carrying out advanced treating to the supernatant that separation of solid and liquid obtains or qualified discharge, gained filter residue can be sent into
Firepower factory combustion power generation is utilized again, avoids causing secondary pollution to environment.
2. according to claim 1 a kind of containing Cu2+It is special with the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid
Sign is：The adsorbent is activated carbon, semicoke or coke.
3. according to claim 1 a kind of containing Cu2+It is special with the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid
Sign is：It is that first supernatant is sent in filtering and ultrafiltration system to be filtered that the supernatant, which carries out advanced treating, so
Backward by filtered waste water plus sodium hydroxide, carrying out acid-base neutralization processing, adjust the acid-base value of water outlet to PH be neutrality.
4. according to claim 1 a kind of containing Cu2+It is special with the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid
Sign is：Described contains Cu2+With the waste water acidity of sulfuric acid up to 10%.
5. according to claim 1 a kind of containing Cu2+It is special with the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid
Sign is：The adsorbent is for adsorbing Cu in waste water2+Adsorption time be 1 ~ 3 h.
6. according to claim 1 a kind of containing Cu2+It is special with the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid
Sign is：The loaded Cu by after press filtration2+When being added to the absorption for carrying out adsorption reaction in dyeing waste water with the filter residue of sulfuric acid
Between be 2 ~ 4 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776621.7A CN108793482A (en) | 2018-07-13 | 2018-07-13 | One kind containing Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776621.7A CN108793482A (en) | 2018-07-13 | 2018-07-13 | One kind containing Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid |
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| CN108793482A true CN108793482A (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810776621.7A Pending CN108793482A (en) | 2018-07-13 | 2018-07-13 | One kind containing Cu2+With the smelting wastewater and dyeing waste water combined treatment process of sulfuric acid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115779873A (en) * | 2022-11-04 | 2023-03-14 | 西北矿冶研究院 | Magnetic biomass charcoal material and copper smelting acidic wastewater treatment method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101908A (en) * | 1987-03-10 | 1987-12-02 | 南京大学 | Absorption-coagulation or flotation treatment of dyeing and printing |
-
2018
- 2018-07-13 CN CN201810776621.7A patent/CN108793482A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101908A (en) * | 1987-03-10 | 1987-12-02 | 南京大学 | Absorption-coagulation or flotation treatment of dyeing and printing |
Non-Patent Citations (2)
| Title |
|---|
| 孟祥和等: "《重金属废水处理》", 31 May 2000 * |
| 张俊琪等: "催化铁内电解法处理酸性化工废水后混合印染废水进行混凝处理的研究", 《水处理技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115779873A (en) * | 2022-11-04 | 2023-03-14 | 西北矿冶研究院 | Magnetic biomass charcoal material and copper smelting acidic wastewater treatment method |
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Application publication date: 20181113 |