Research and progress of smoldering combustion technology for oily sludge

doi:10.11949/0438-1157.20191085

Abstract

Abstract:

Oily sludge is one of the main pollutants in petroleum and petrochemical industry, which will not only cause environmental damage, but also cause waste of resources. At present, the traditional methods of treating oily sludge mainly include solid-liquid separation, chemical demulsification, solvent extraction, thermal washing, biological treatment and incineration. To a certain extent these methods can reduce the oil content of oily sludge, however, various problems as relatively high processing costs, sophisticated technology and relatively long process become the obstacles. Smoldering combustion is an international burgeoning technology which can make up for the shortcomings of the above traditional methods. In this paper, the research history, working principle, technology classification, research progress and engineering application of smoldering combustion are systematically explained. The main problems of smoldering combustion are analyzed and the research directions are proposed.

Key words: oily sludge, smoldering combustion, research progress

摘要：

含油污泥是石油石化行业的主要污染物之一，不仅会造成环境破坏，而且会带来资源浪费。目前，处理含油污泥的传统方法主要有固液分离法、化学破乳法、溶剂萃取法、热洗涤法、生物处理法以及焚烧法等，这些方法能在一定程度上降低含油污泥的含油率，但存在处理成本相对较高、工艺较为复杂、流程相对较长等问题。阴燃处理法是国际上一种新兴处理技术，能够较好地弥补上述传统处理方法的不足。从阴燃的研究历史、工作原理、数值分析、研究进展及工程应用等方面开展了系统说明，分析了该技术目前存在的主要问题，并指出了该技术的研究方向。

关键词: 含油污泥, 阴燃, 研究进展

CLC Number:

X 53

Tianyu WANG, Wenming JIANG, Yang LIU. Research and progress of smoldering combustion technology for oily sludge[J]. CIESC Journal, 2020, 71(4): 1411-1423.

王天宇, 蒋文明, 刘杨. 含油污泥阴燃处理技术研究与进展[J]. 化工学报, 2020, 71(4): 1411-1423.

Figures/Tables 5

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