期刊
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
卷 40, 期 22, 页码 2641-2647出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15567036.2018.1495775
关键词
Calcium oxide; nitrogen transformation; NOx precursor; pyrolysis; soybean protein
资金
- National Natural Science Foundation of China [51576135]
- Natural Science Foundation of Liaoning Province of China [20170540710]
To elucidate the effects of CaO on nitrogen transformation during sludge pyrolysis, transformation behavior from char N into NOx precursors during pyrolysis of soybean protein (SP) with CaO at 600-700 degrees C was investigated. Results showed that CaO inhibited the transformation of pyridine N and quaternary N into HCN and promoted HCN conversion into NH3 at 600-700 degrees C. CaO inhibited the conversion of protein N and tar N into NH3 at 600 degrees C but promoted it at 700 degrees C. NOx precursor yield was the lowest when SP was pyrolyzed with CaO/N of 5.5 at 600 degrees C (reduced by 11.66% compared with raw SP pyrolysis).
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