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Conference on Environmental Pollution and Public Health (CEPPH 2010 E-BOOK)

Wuhan,China,China,9.10-9.12,2010

ISBN: 978-1-935068-16-7 Scientific Research Publishing, USA

E-Book 1502pp Pub. Date: October 2010

Category: Engineering

Price: $80

Title: Reseach on Removing Ammonium Nitrogen from Wasterwater by Immobilized of Nitrosobacteria and Denitrobacteria
Source: Conference on Environmental Pollution and Public Health (CEPPH 2010 E-BOOK) (pp 990-993)
Author(s): Linxia Song, College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin，China, 300134
Suying Wang, College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin, China, 300134
Abstract: It mainly introduces immobilized Nitrosobacteria and Denitrobacteria technology in this paper. After comparing some immobilized means, the results indicated that 10% polyvinyl alcohol (PVA), 1vol.bacteria in 2 vol. gelatin, 32h crosslinked time were the optimal conditions. Moreover, Waste water contained ammonia nitrogen was treated by immobilized microbial beads that were made in best conditions. The experimental results showed that the content of ammonia nitrogen, nitrite and COD in artificial wastewater was decreased significantly, the ammonia nitrogen removal rate was 85.5% and the COD decrement rate was 84.8% respectively.
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