Integrated fixed-film activated sludge (IFAS) systems for biological nutrient removal in municipal wastewater treatment plants
Integrated fixed-film activated sludge (IFAS) systems for biological nutrient removal in municipal wastewater treatment plants
批准号:
468197-2014
负责人:
Liu, Yang
金额:
$1.82万
依托单位:
依托单位国家:
加拿大
项目类别:
Engage Grants Program
财政年份:
2014
资助国家:
加拿大
项目状态:
已结题
起止时间:
2014-01-01 至 2015-12-31
中文摘要
有效去除城市污水中的营养物质,主要是氮和磷,已经成为一个重要的关注问题,因为它们是河流和湖泊富营养化的限制来源,从而对鱼类和其他动物种群造成毒性。活性污泥生物脱氮(BNR)系统是污水生物脱氮工艺的核心技术。然而,在加拿大,这些类型的系统在寒冷的冬季和高流量(融雪)季节经常受到影响。
英文摘要
Efficient removal of nutrients, mainly nitrogen and phosphorus, from municipal wastewater has become an important concern because of their being the limiting sources for eutrophication in rivers and lakes with consequent toxicity to fish and other animal populations. Biological nutrient removal (BNR) systems using activated sludge are the core technology of the biological wastewater treatment process for ammonia removal. However, these types of systems are often compromised in Canada during cold winter and high flow (snow melting) seasons.
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