Journal
BIORESOURCE TECHNOLOGY
Volume 101, Issue 16, Pages 6368-6373Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2010.03.071
Keywords
Ammonia stripping; Chicken manure; Methane production; Unionized ammonia
Funding
- New Energy and Industrial Technology Development Organization (NEDO)
- Japan Society for the Promotion of Science (JSPS)
Ask authors/readers for more resources
This study demonstrates methane fermentation that was carried out along with ammonia striping to avoid ammonia accumulation that significantly inhibited methane production. Ammonia was successfully removed by means of recycling of biogas followed by gas washing in sulfuric acid to capture ammonia, when chicken manure was anaerobically digested for 4 days at 55 degrees C and at an initial pH of 8-9. By using this method, 80% of total nitrogen in chicken manure was converted to ammonia and 82% of the produced ammonia was removed. A bench scale reactor equipped with an ammonia-stripping unit for methane production from chicken manure was developed and operated in repeated batch mode. At an initial pH of 8 and at 55 degrees C, 195 and 157 ml g-VS-1 of methane was successfully produced from the treated chicken manure and the mixture of treated chicken manure and raw chicken manure in the ratio of 1:1, respectively. In this method, ammonia concentration was maintained at a level lower than 2 g-N kg-wet sludge(-1) in the reactor. (C) 2010 Elsevier Ltd. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available