Transient mathematical modelling of a fluidized bed incinerator for sewage sludge

被引：15

作者：

Khiari, Besma ^{[1
]}

Marias, Frederic ^{[2
]}

Zagrouba, Fethi ^{[3
]}

Vaxelaire, Jean ^{[2
]}

机构：

[1] Ctr Rech & Technol Energie, Hammam Lif 2050, Tunisia

[2] Univ Pau & Pays Adour, Lab Therm Energet & Proc, F-64075 Pau, France

[3] Inst Super Sci & Technol Environm, Hammam Lif 2050, Tunisia

来源：

JOURNAL OF CLEANER PRODUCTION | 2008年 / 16卷 / 02期

关键词：

Sewage sludge incineration; Fluidized bed combustor; Energy recovery; Modelling;

D O I：

10.1016/j.jclepro.2006.08.020

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Sewage sludge production has been increasing due to the growth of urban wastewater treatment plants. According to the enforcement of current environmental regulations, many efforts must be done to manage the large amount of generated sludge. Incineration is one potential treatment process. As far as control, design and operational guidance of processes are concerned, a successful simulation work may significantly reduce the efforts in experimental study. In this goal, a real-time simulator has been developed to describe bubbling fluidized bed incineration of sewage sludge. In the present work, details of the mathematical model are presented. The two main particularities are the buffer zone characteristics in one hand, and on the sewage sludge pyrolysis, supposed to be flash on the other one. The model results are partially validated by comparison with experimental data issued from the literature. An example of a possible scenario is given. (C) 2006 Elsevier Ltd. All rights reserved.

引用

页码：178 / 191

页数：14

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