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Preparation of FMA flocculant and its effect on the flocculating properties in printing and dyeing wastewater

DANG You sheng,GUO Yan,LU Feng ji (School of Chemical Engineering, Xi'an Jiaotong University, Xi'an 710049, China)  
This paper presents a new type of complex flocculant FMA, which is prepared by using aluminium hydroxide, ferric chloride, magnesium chloride and hydrochloride acid as raw materials, and studies flocculating properties of FMA and other three flocculants in printing and dyeing wastewater. The results show that FMA flocculant is superior to the other three flocculants and completly suited to treat printing and dyeing wastewater. The dosage of FMA is 50~70 mg/L
【CateGory Index】: X791
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