Thermogravimetric monitoring of oil refinery sludge

被引：19

作者：

Barneto, Agustin G. ^{[1
]}

Molto, Julia ^{[2
]}

Ariza, Jose ^{[1
]}

Conesa, Juan A. ^{[2
]}

机构：

[1] Univ Huelva, Dept Chem Engn Phys Chem & Organ Chem, Huelva 21071, Spain

[2] Univ Alicante, Dept Chem Engn, Alicante, Spain

来源：

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 2014年 / 105卷

关键词：

Oil; Sludge; Autocatalysis; Thermogravimetry; DIFFERENTIAL SCANNING CALORIMETRY; CRUDE OILS; WASTE; KINETICS; MODELS;

D O I：

10.1016/j.jaap.2013.09.007

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The present work has two dimensions: analytical and environmental. On the one hand we proved that thermogravimetric analysis can be used to perform fast characterization of oil refinery sludge. To this end, thermogravimetric curves were deconvoluted by using autocatalytic kinetics to take into account acceleratory phases in a thermal degradation performed in oxygen-containing atmosphere or at high heating rates. Based on thermogravimetric results, oil refinery sludge was modeled in terms of various fractions (pseudo-components) which degrade as major oil cuts. On the other hand, as an alternative to landfill, we have seen that Soxhlet extraction allows recovery almost half of the weight of sludge as a mixture of hydrocarbons, similar to gas-oil, which burns without residue. This ensures both, waste inerting and significant reduction in sludge volume. (C) 2013 Elsevier ay. All rights reserved.

引用

页码：8 / 13

页数：6

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