Biological Nitrogen Removal from wastewater via a Suspended and immobilized ANAMMOX Membrane Bioreactor

• Main Authors: Chien-An Chiang, 蔣建安
• Other Authors: Chun-Ming Ho
• Format: Others
• Language: zh-TW
• Published: 2013
• Online Access: http://ndltd.ncl.edu.tw/handle/01181905576861093432

碩士 === 東南科技大學 === 防災科技研究所 === 101 === Taiwan's EPA has conducted the effluent standard of ammonia. Therefore, ammonia removal from wastewater becomes an important issue recently. Traditional biological ammonia removal includs nitrification and denitrification, in addition,external organic carbon is needed. Therefore, increasing the cost of ammonia removal organic carbon is needed. There is a new ammonia removal technology called ANAMMOX process, which reduces the cost of ammonia removal. However, the ANAMMOX bacteria is difficult to cultivate and grows slowly. Therefore, avoid washing out of the ANAMMOX bacteria from the bioreactor is very important for actual application. This rearch combines the ANAMMOX process and membrane bioreactor technology to remove ammonia from wastewater. The research results indicate that membrane filtration avoided washing out of ANAMMOX bacteria, A serious experiments show that the ammonia loading,inorganic carbon addition. Magnesium addition and phosphorus addition has different effects on the ammonia removal rate of the bioreactor ln addition, Immobilization technology protected the ANAMMOX bacteria from Nitrite damage. The ammonia removal rate of the membrane bioreactor containing the suspended ANAMMOX bacteria is approximately 57.48 mg-N/day/g-MLSS, whereas, the rate is 20.33 mg-N/L/day for the bioreactor containing 15% immobilized ANAMMOX bacteria.