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Steel & Iron

Jiangsu Baosteel Precision Steel Wire Co., Ltd.

Jiangsu Baosteel Precision Steel Wire Co., Ltd.

Background of the project:

Jiangsu Baosteel Precision Steel Wire Co., Ltd. is a wholly-owned subsidiary of Baosteel Metal Co., Ltd. and mainly produces steel cords in the fields of automotive and energy and photovoltaics. The heavy metal and dilute acid wastewater generated needs to be treated.


Project Address:

Haimen City, Jiangsu Province

Wastewater characteristics:

Steel cord wastewater contains heavy metals (copper, iron, zinc, etc.) and waste acids, which are strictly controlled industrial pollutants. If the control conditions are not good, the amphoteric metal is easy to be dissolved and the water is not easy to reach the standard.

project outcome:

1. Adopt multi-stage micro-flocculation and sedimentation technology to achieve the standard of heavy metal concentration in effluent;

2. Micro-adjustment of acid and alkali, 20% reduction in the use of chemicals , and 30% reduction in sludge ;

3. waste acid pretreatment recycling to the pickling tank, to achieve cleaner production;


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项目地址:

江苏省海门市


废水特点:

钢帘线废水含重金属(铜、铁、锌等)和废酸,属于严格控制工业污染物。若控制条件不好,两性金属易反溶,出水不易达标。


项目成果:

1、采用多级微絮凝沉淀技术,实现出水重金属浓度达标;

2、酸碱微调节,药剂使用量减少20%,污泥减少30%

3、废酸预处理回收至酸洗槽,实现清洁生产;


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