Emission characteristics of thermal processing of tannery sludge in paddle dryer

ZHU Xiaowan; DENG Wenyi; WANG Fei; JIANG Xuguang; YAN Jianhua; CHI Yong; CEN Kefa

您当前的位置：

首页 >

文章列表页 >

Emission characteristics of thermal processing of tannery sludge in paddle dryer

更新时间：2025-12-10

- Emission characteristics of thermal processing of tannery sludge in paddle dryer
- CIESC Journal Issue 8, Pages: 2083-2088(2008)
- 作者机构：
  
  浙江大学能源清洁利用国家重点实验室,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 August 2008，
  
  Published：05 August 2008
- 稿件说明：
移动端阅览
ZHU Xiaowan, DENG Wenyi, WANG Fei, et al. Emission characteristics of thermal processing of tannery sludge in paddle dryer[J]. CIESC Journal, 2008, (8): 2083-2088.
DOI：

ZHU Xiaowan, DENG Wenyi, WANG Fei, et al. Emission characteristics of thermal processing of tannery sludge in paddle dryer[J]. CIESC Journal, 2008, (8): 2083-2088. DOI：

摘要

进行了使用桨叶式干燥机进行污泥热干燥处理的实验研究，分析在不同的温度下污泥的干燥效果、气体排放和冷凝水产生情况。实验结果表明，污泥在干燥过程中会释放出氨气、挥发性有机酸（甲酸、丙酸）和烷烃（庚烷）等挥发性有机污染物，且升高温度能够降低干燥机出料含水率，并能够通过影响水解及脱羧反应从而增加干燥过程排放的气体量及冷凝水的COD值。通过对比冷凝前后的气体排放量，表明冷凝操作有利于降低二次污染。

Abstract

Thermal drying experiments of tannery sludge were conducted in a sludge paddle dryer.The drying characteristics of sludge

emission characteristics of flue gases and condensed water quality were analyzed.The result indicated that three kinds of volatile compounds

i.e.

ammonia

volatile fatty acid (CHCOOH

CH3CH2COOH) and alkane (heptane) were found in the thermal drying process.The water content of sludge decreased by increasing the temperature of heat-transfer oil.The concentration of volatile compounds and the COD value of condensed water were also influenced by the hydrolysis and decarboxylation in this process.The concentration of volatile compounds was measured before and after condensation.It was found that condensation could markedly reduce the emission of gaseous pollutants.

关键词

Keywords

references

Views

196

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Thermo-oxidative degradation characteristics of TPT backsheet from end-of-life photovoltaic modules

Study on dissolution kinetics of erythromycin thiocyanate

Thermodynamic study of germanium-impurity competitive deposition in GeCl4-MxCly-H2 system

Performance of alkali metal-loaded SrMnO3 oxygen carriers in chemical looping oxidative dehydrogenation of ethylbenzene

Study on impact of impurities in coal chemical waste salt on solvation of NaCl and Na2SO4

Related Author

No data

Related Institution

No data

⁰