THE INFLUENCE OF ADDITIVES UPON HEAVY METALLS MIGRATION BEHAVIOR IN THE FLUIDIZED BED INCINERATION PROCESS OF SLUDGES

LI Rundong; LIU Lianfang; LI Aimin

doi:10.19666/j.rlfd.2004.10.004

English

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THE INFLUENCE OF ADDITIVES UPON HEAVY METALLS MIGRATION BEHAVIOR IN THE FLUIDIZED BED INCINERATION PROCESS OF SLUDGES

Thermal Power Generation Issue 10, Pages: 11-14(2004)

更新时间：2025-09-28

- THE INFLUENCE OF ADDITIVES UPON HEAVY METALLS MIGRATION BEHAVIOR IN THE FLUIDIZED BED INCINERATION PROCESS OF SLUDGES
- 作者机构：
  
  1. 沈阳航空工业学院,辽宁,沈阳,110034
  2. ,辽宁,沈阳,110034
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2004.10.004
  CLC： X705
- Published：2004
- 稿件说明：
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LI Rundong, LIU Lianfang, LI Aimin. THE INFLUENCE OF ADDITIVES UPON HEAVY METALLS MIGRATION BEHAVIOR IN THE FLUIDIZED BED INCINERATION PROCESS OF SLUDGES[J]. Thermal Power Generation, 2004, (10): 11-14.
DOI：

LI Rundong, LIU Lianfang, LI Aimin. THE INFLUENCE OF ADDITIVES UPON HEAVY METALLS MIGRATION BEHAVIOR IN THE FLUIDIZED BED INCINERATION PROCESS OF SLUDGES[J]. Thermal Power Generation, 2004, (10): 11-14. DOI： 10.19666/j.rlfd.2004.10.004.

摘要

通过流化床焚烧试验

主要考察了焚烧温度、添加剂 (CaO和NaCl)对污泥焚烧过程中重金属元素 (Cu、Zn、Pb、Cr、Ni和Cd)的残留特性和固化率的影响情况

以寻找重金属在焚烧底灰中的迁移规律。研究表明

添加NaCl导致大多数重金属的固化率降低

说明氯含量的增加会妨碍重金属在焚烧过程中向底灰中迁移

但对Ni而言

其影响并不显著。随着焚烧温度的升高

6种重金属元素的固化率顺序为 :Pb Cu CrNiCd Zn

与它们的挥发性呈明显的负相关关系

Abstract

Through fluidizedbed incineration test

it has been mainly observed that the incineration temperature and additives (such as CaO and NaCl) upon the residual behavior and solidification rate of heavy metals (such as Cu

Ni and Cd) in the process of sludge incineration

to find out the migration regularity of the said heavy metals in bottom ash of incineration. Results of study show that the addition of NaCl leads the solidificatin rate of many heavy metals to decrease

explaining the increase of Cl content may hinder heavy metals to migrate into bottom ash during the course of incineration. But for Ni

the said influence isn't obvious along with the rising of temperature

the sequence of six heavy metals' solidification rate to be as follows; PbCuCrNiCdZn

this is an obvious negative correlation to their volatility.

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