Research on backwater of mineral processing at Anning
dressing plant
phosphate ore
; backwater of mineralprocessing
; treatment通过对云磷公司安宁磷矿选矿回水进行试验研究,确定影响磨
矿作业的悬浮物量为2 000 mg/L,确定影响浮选作业的钙离子量为
150 mg/L.废水处理以消除SO2-4、PO3-4、Ca2+等有害残留离子为
主,尽可能确保这三种离子含量与自来水相近,从而避免杂质离子对
浮选产生影响.处理后回水返回浮选作业,浮选指标接近清水指标,
不影响浮选作业及其后续加工作业.
A research on backwater of mineral processing
at Anning dressing plant of Yunnan Phosphate Chemical
Group.,LTD is carried out to determine the influence
factors. The suspended matter content that impacts on
grinding operation is 2 000 mg/L, and the calcium ion
content that affects flotation operation is 150
mg/L.The wastewater treatment is mainly aimed at
removing harmful and residual ions to make those ions
content similar to the tap water, so as to avoid
influences of impurities to flotation operation. The
backwater after well treated returns to flotation
operation, and the flotation indexes are similar by
using the regular water and the backwater, which has
no effects on flotation operation and its following
operations.
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收稿日期:20101130作者简介:赵凤婷(1984)
,女,云南弥勒人.研究方向:磷矿选矿技术.