Pyrolysis of oil sludge with calcium-containing additive

被引：63

作者：

Panek, Petr ^{[1
,3
]}

Kostura, Bruno ^{[1
]}

Cepelakova, Iveta ^{[2
]}

Koutnik, Ivan ^{[1
]}

Tomsej, Tomas ^{[3
]}

机构：

[1] VSB TU Ostrava, Fac Mat Sci & Met, Ostrava 708033, Czech Republic

[2] Dekonta As, Stehelceves 27342, Czech Republic

[3] VSB TU, Inst Clear Technol, Ostrava 708033, Czech Republic

来源：

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 2014年 / 108卷

关键词：

Oil sludge; Slow pyrolysis; Calcium oxide additive; Thermogravimetry; Calorific value; Polyaromatic hydrocarbons (PAHs); POLYCYCLIC AROMATIC-HYDROCARBONS; LOW-TEMPERATURE PYROLYSIS; REDUCTIVE DECOMPOSITION; INFRARED-SPECTRA; SULFATE; MECHANISM; RECOVERY; GYPSUM;

D O I：

10.1016/j.jaap.2014.04.005

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The focus of recent research is the utilization of oil sludge as a potential source of hydrocarbons via pyrolysis with the presence of calcium oxide as an additive. Pyrolysis of oil sludge was studied by thermogravimetry and in a laboratory-scale reactor. Results obtained by both methods are consistent. Formation of char, common for slow pyrolysis was very limited. A possible explanation could be in the reaction of calcium sulfate with char which leads to the consumption of carbon and formation of CaS. Oil sludge produced a large amount of oil rich on aliphatic compounds with a higher calorific value of about 42 MJ kg(-1) and low sulfur content. A large increase in polyaromatic hydrocarbons during the pyrolysis was observed. Precursors of polyaromatic hydrocarbons were identified in the gas phase. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：274 / 283

页数：10

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