西巴里的RIM-NUT工艺去除废水中的营养物质:第二次示范

Resources and Conservation Pub Date : 1987-06-01 DOI:10.1016/0166-3097(87)90040-X

Lorenzo Liberti, Antonio Laricchiuta, Antonio Lopez, Roberto Passino, Gianfranco Boari

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引用次数: 9

摘要

RIM-NUT是一种基于选择性离子交换和化学沉淀的先进物理化学工艺，在为期3个月的第二次示范中，证实了通过去除城市二级废水中的铵离子和磷酸盐离子来防止富营养化的可能性，以及以简单和技术上负担得起的方式定量回收磷酸铵镁(一种缓释放的优质肥料)的可能性。对5.3 MGD (20,000 m3/d)工厂的经济预测表明，RIM-NUT具有成本效益。总成本几乎完全由回收的肥料价值和排放的废水的非富营养化潜力所覆盖。根据这些结果，美国环境保护署和意大利国家研究委员会将于1986年在密歇根州南里昂市进行美国RIM-NUT示范。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The RIM-NUT process at west bari for removal of nutrients from wastewater: second demonstration

A second, 3-month demonstration of RIM-NUT, an advanced physico-chemical process based on selective ion exchange and chemical precipitation, confirmed the possibility to prevent eutrophication by removing ammonium and phosphate ions from municipal secondary effluents and to recover quantitatively magnesium ammonium phosphate, a slow-release premium quality fertilizer, in a simple and technically affordable manner. Economic projections for a 5.3 MGD (20,000 m³/d) plant indicate that RIM-NUT is cost effective. The overall costs are almost completely covered by the value of the fertilizer recovered and the non-eutrophic potential of the wastewaters discharged. Based on these results, a U.S. RIM-NUT demonstration will be performed in 1986 by the U.S. Environmental Protection Agency and the Italian National Research Council in the City of South Lyon, Michigan.

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