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开展了ClO2预氧化与PDM复合药剂联用提高常规处理工艺除藻效果的试验研究。结果表明,对于藻类数为1.3×108个/L、浊度为10.32～15.50 NTU、温度为27～30℃的黄河下游引黄水库水,当ClO2投量为1.0 mg/L、PDM复合药剂投量为60 mg/L时,滤后水浊度能降至0.2NTU以下,对CODMn的去除率达到46.6%,对藻类的去除率高达99%以上。ClO2预氧化与PDM复合药剂联用技术是强化常规工艺处理高藻水库水的有效措施。
A pilot study on the effect of pre-oxidation of ClO2 and PDM compound on the algae removal effect of conventional treatment process was carried out. The results showed that when the dosage of ClO2 was 1.0 mg / L, the dosage of PDM compound pesticide was 1.3 × 108 cells / L, the turbidity was 10.32 ~ 15.50 NTU and the temperature was 27 ~ 30 ℃. When the amount is 60 mg / L, the turbidity of the filtered water can be reduced below 0.2 NTU, the removal rate of CODMn reaches 46.6%, and the removal rate of algae is over 99%. ClO2 pre-oxidation combined with PDM composite technology is an effective measure to strengthen the conventional process of algae reservoir water treatment.