开发和评估运河水饮用过滤器

IF 2.4 4区 环境科学与生态学 Q2 WATER RESOURCES Water Quality Research Journal Pub Date : 2023-11-17 DOI:10.2166/wqrj.2023.009
V. Tiwari, J. Singh, P. Sahota, N. N. Singh, K. Singh
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引用次数: 0

摘要

设计、开发和制造了低成本便携式滤水器,滤水量为 15 升,适合普通小家庭使用。经计算,滤料的体积和厚度分别为 4 544 立方厘米和 5.6 厘米。注入次氯酸钠溶液是为了去除细菌污染物,并校准为每 15 升水注入 1.5 毫升次氯酸钠溶液,以保持所需的余氯含量(百万分之 2-5)。将吸附在过滤介质上的污染物放入 3 升沸水中煮 2 分钟即可去除。实验确定了悬浮固体在运河水中的沉降时间,结果发现沉降时间为 8 小时,然后进行过滤。通过分析过滤前后运河水的水质参数,对所开发过滤器的性能进行了评估。结果发现,过滤水的生化需氧量(BOD)、化学需氧量(COD)、中性粒径(MPN)、总淀粉含量(TDS)、pH 值和余氯值均在允许范围内。据估计,所开发过滤器的成本为 1,300 印度卢比,经济上可行,技术上可行,而且便于携带。
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Development and evaluation of filter for canal water potability
Low-cost portable water filter having a capacity of 15 l for an average small family size was designed, developed, and fabricated for canal water potability. The volume and thickness of filter media were computed and found to be 4,544 cm3 and 5.6 cm, respectively. The provision for injection of sodium hypochlorite solution was made for the removal of bacterial contaminants and calibrated to be 1.5 mL for 15 l of water to maintain the required level of residual chlorine content (2–5 ppm) which was supplied through the pumping unit. The adsorbed contaminants on the filter media could be removed by placing them in 3 l of boiled water for 2 min. The experiment was conducted to determine the settlement duration of suspended solids in canal water and found to be 8 h, thereafter allowing it for filtration. The performance of the developed filter was evaluated by analyzing water quality parameters of the canal water before and after filtration. The values of BOD, chemical oxygen demand (COD), MPN, TDS, pH, and residual chlorine of filtered water were found to be within the permissible limit. The cost of the developed filter was estimated to be INR 1,300 which is economically viable, technically feasible, and easily portable.
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CiteScore
4.50
自引率
8.70%
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