Temperature influence and distribution of bio-oil from pyrolysis of granular sewage sludge

被引：35
作者：
Huang, Fei [1 ]
Yu, Yang [2 ]
Huang, He [1 ]
机构：
[1] Nanjing Tech Univ, Coll Pharm, Nanjing 211800, Jiangsu, Peoples R China
[2] Nanjing Tech Univ, Sch Environm & Engn, Nanjing 211800, Jiangsu, Peoples R China
来源：
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 2018年 / 130卷
关键词：
Sewage sludge; Pyrolysis; Bio-oil; PAHs; NMR; POLYCYCLIC AROMATIC-HYDROCARBONS; CARBONACEOUS CATALYST; OPERATING PARAMETERS; FLUIDIZED-BED; M-CRESOL; PRETREATMENT; COMBUSTION; MICROWAVE; MECHANISM; OXIDATION;
D O I：
10.1016/j.jaap.2018.01.030
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The temperature influence on bio-oil distribution of granular sewage sludge (GSS) pyrolysis from 500 degrees C to 800 degrees C in a horizontal tube reactor was investigated. The maximum yield of bio-oil was 43.6% of weight-lost percent during GSS pyrolysis. The bio-oil mainly contained polycyclic aromatic hydrocarbons (PAHs) and long chain nitriles. The nuclear magnetic resonance (NMR) results of bio-oil indicated that PAHs were formed during pyrolysis, which were in agreement with gas chromatography-mass spectrometer (GC-MS) results that PAHs in bio-oil were mainly made up of tricyclic and tetracyclic PAHs. The yield of PAHs strongly increased with temperature, reaching a maximun value at 700 degrees C. The present results might be valuable for assessing sewage sludge pyrolysis as thermal treatment method and also for studying the formation mechanism of PAHs during sewage sludge pyrolysis.
引用
收藏
页码：36 / 42
页数：7
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