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中文摘要：
在微滤/超滤-反渗透（MF/UF-RO）工艺运行过程中,需要投加多种药剂,以保障反渗透系统的正常运行.系统分析了北京市某再生水厂MF-RO工艺的药剂使用情况.结果表明,该MF-RO工艺投加了杀菌剂、阻垢剂、还原剂、非氧化性杀菌剂、中和剂、清洗剂等,在产水量约为7000m3/d时,药剂总投加量为3347.3kg/周,每吨产水的平均耗药量为68.32g/m3.该厂每周药剂总费用约为19,120元,每吨产水的药剂成本为39.02分/t,其中阻垢剂费用占药剂成本的比例最大,达47.44%.
英文摘要：
In order to achieve a good performance of a reverse osmosis （RO） system for wastewater reclamation, many kinds of chemical reagents are used in microfiltration（MF）/ultrafiltration （UF）-RO process. The chemical reagents used for a MF-RO process in a wastewater reclamation plant in Beijing were evaluated Disinfectant, anfiscalant, reductant, non-oxidizing biocides, neutralizer and cleaning reagents were used in this plant. The production amount of reclaimed water of the plant was about 7000m3/d. The dosage of total reagents was 3347.3kg per week and the average dosage of reagents was 68.32g per ton permeat. The total cost of the reagents was about 19,120 RMB per week and the cost of reagents was 0.39 RMB per ton permeat. Cost of antiscalant accounted for 47.44% of the total cost of reagents.
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