Daily chemical enterprises: increased drainage, how to expand and transform, and long-term stable discharge
Release time:
2022-07-28 15:34
With the increase of production lines of a daily chemical enterprise, the wastewater produced by it has gradually increased, and the existing sewage treatment facilities can no longer treat the wastewater of a daily chemical enterprise. Therefore, the company plans to expand and reconstruct the sewage treatment facilities in order to achieve the purpose of long-term stable standard discharge of wastewater. According to this, what method can be used to treat the waste water discharged from daily chemical enterprises?
The situation of a daily chemical company
A daily chemical company mainly produces shampoo, shower gel, laundry detergent, skin care products, facial masks and other products.
Wastewater situation of a daily chemical enterprise
The design capacity of the existing sewage treatment facility of a daily chemical company is 100t/d. Not only has the wastewater already exceeded this quota, but more production lines will need to be added in the future, and more wastewater will be generated. Therefore, the company plans to expand and transform the sewage treatment facilities to treat 300-400 tons per day, so that the wastewater can be treated stably and up to the standard for a long time.
The wastewater of this enterprise mainly comes from the cleaning of equipment in various product lines, vacuum pump drainage, wastewater from some product processes, and domestic wastewater.
These wastewaters will contain a large amount of anionic surfactants, suspended solids, other additives, spices, sesame oil and other substances, so that the wastewater cannot be directly entered into the biochemical system, which increases the difficulty of wastewater treatment.
How to deal with daily chemical wastewater to achieve long-term and stable discharge of standard discharge? If you like it, you can like, follow and share.
Wastewater treatment method
The commonly used methods for this kind of wastewater are physicochemical method for pretreatment, biochemical method for secondary treatment, and subsequent advanced treatment can achieve long-term stable standard discharge.
The physical and chemical methods are mainly coagulation sedimentation method and coagulation air flotation method, which can effectively reduce macromolecular pollutants and suspended solids in wastewater by dosing.
The biochemical method can adopt the combination of anaerobic biological treatment method and aerobic biological treatment method, such as: hydrolysis acidification method + multi-stage contact oxidation method. The wastewater can be treated by microorganisms and secondary sedimentation tanks to reduce the COD concentration to about 50mg/L, so as to achieve standard discharge.
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With the increase of production lines of a daily chemical enterprise, the wastewater produced by it has gradually increased, and the existing sewage treatment facilities can no longer treat the wastewater of a daily chemical enterprise. Therefore, the company plans to expand and reconstruct the sewage treatment facilities in order to achieve the purpose of long-term stable standard discharge of wastewater. According to this, what method can be used to treat the waste water discharged from daily chemical enterprises?
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Shanghai Huanqiu Industrial Development Co., Ltd.
Address: No. 52, Jiehu Road, Qingpu District, Shanghai, China
Contact: Jaye Hu
Tel: +86-18994476807
Email: hj@huanqiu-chem.net
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