Treatment of desulfurization wastewater with TMT and performance analysis on the precipitates

LIAO Dongmei; WANG Zhengjiang; GUO Jingdong; WANG Xiaowei; CHEN Zhigang

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Treatment of desulfurization wastewater with TMT and performance analysis on the precipitates

Thermal Power Generation Issue 8, (2016)

更新时间：2025-09-28

- Treatment of desulfurization wastewater with TMT and performance analysis on the precipitates
- 作者机构：
  
  1. 武汉大学动力与机械学院,湖北,武汉,430072
  2. 西安热工研究院有限公司,陕西,西安,710032
  3. 华能海口电厂,海南,海口,570105
  4. 武汉中伟化工科技有限责任公司,湖北,武汉,430070
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK09
- Published Online：15 September 2016，
  
  Published：2016
- 稿件说明：
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LIAO Dongmei, WANG Zhengjiang, GUO Jingdong, et al. Treatment of desulfurization wastewater with TMT and performance analysis on the precipitates[J]. Thermal Power Generation, 2016, (8).
DOI：

LIAO Dongmei, WANG Zhengjiang, GUO Jingdong, et al. Treatment of desulfurization wastewater with TMT and performance analysis on the precipitates[J]. Thermal Power Generation, 2016, (8). DOI：

摘要

针对湿法脱硫废水的特点

研究了三巯基均三嗪三钠盐(TMT)去除重金属的原理与工艺流程。合成并表征了镉、铅等金属TMT沉淀物；采用电厂实际脱硫废水制备了以金属TMT混合沉淀物为主的脱硫废水泥渣。用等离子发射光谱仪、热重分析仪和X射线衍射等对金属TMT沉淀物的浸出毒性和热稳定性作了初步研究。结果表明:TMT能与多种重金属离子强力结合；产生的金属TMT沉淀物在硫酸硝酸、纯水中的浸出毒性低

可作为第Ⅰ类一般工业固体废物直接填埋；金属TMT沉淀物的热稳定性较高

在250～300 ℃左右开始分解

730～740 ℃时结束

分解产物为相应的硫化物。研究结果对选择脱硫废水泥渣的处置方式有指导意义。

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