摘要：探讨了pH值对高铁酸盐复合药剂强化混凝除藻效果的影响规律，分别考察了原水pH为5.0、7.0和10.0条件下高铁酸盐复合药剂预氧化对除藻效率的影响规律。试验结果表明，对于微酸性原水(pH＝5.0)，高铁酸盐复合药剂强化混凝除藻效果最好 ；随着pH值的提高，高铁酸盐复合药剂强化混凝除藻效果逐渐降低，但即使在较高pH值条件下(pH＝10.0)仍然可取得明显的强化除藻效果。
关键词：李圭白 除藻 高铁酸盐复合药剂 pH值
中图分类号：TU991.22
文献标识码：A
文章编号：1000-4602(2000)01-0018-03 Effect of pH Values on Enhanced Algae Removal by Pre-Oxidation withCom posite Ferrate Chemicals SHI Ying, MA Jun, LI Guibai
(School of Munic. and Environ. Eng., Harbin Univ. of Civil Eng. and Architec., Harbin 150008,China) Abstract： The effect of pH on the removal of algae by pre oxidation with a composite chemical containing ferrate was investigated by jar tests. The results showed that the pre oxidation greatly enhanced the algae remo val with much reduction of residual algae in both settled and filtered water. It was found that ma ximum removal of algae was achieved at lower pH value of raw water(pH=5) and the n the removal efficiency decrease with increase of pH value. However, it was also found that thedistinctly enhanced algae removal could be achieved even at higher pH value(pH=10.0)
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