SBIR Phase I: Developing Innovations to the Deep-Bed Biological Denitrification Process

SBIR 第一阶段：开发深床生物反硝化工艺的创新

• 批准号: 1013558
• 负责人: Malcolm Fabiyi
• 金额: $ 14.99万
• 依托单位: Environmental Operating Solutions, Inc
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2010
• 资助国家: 美国
• 起止时间: 2010-07-01 至 2010-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1013558&HistoricalAwards=false
• 关键词: SBIR; Phase; Developing; Innovations; Deep

This SBIR Phase I project will improve operation of deep-bed filter biological denitrification through a number of modifications to the current process. These include (i) Replacement of air usage with compressed Nitrogen gas for bump, scour, and airlift. (ii) Elimination of nuisance biological growth on weir walls by dosing carbon right over the filter bed using Venturi eductor principles. (iii) Inclusion of alkalinity buffering rock materials in bed media.The broader/commercial impact of the project will be more efficient treatment of municipal wastewater in order to reduce total nitrogen concentrations entering the nation's waters. A secondary benefit is reduction in the use of methanol that is currently used as a carbon source in the filtration process.

该SBIR一期项目将通过对现有工艺的一些修改来改善深床过滤器生物脱氮的操作。 这些措施包括（i）用压缩氮气替代用于撞击、冲刷和气升的空气。(ii)利用文丘里喷射器原理，在滤床上方投加碳，消除堰壁上的有害生物生长。(iii)在河床介质中加入碱性缓冲岩石材料。该项目的更广泛/商业影响将是更有效地处理城市废水，以降低进入全国沃茨的总氮浓度。 第二个好处是减少了目前在过滤过程中用作碳源的甲醇的使用。