A new integrated evaluation method of heavy metals pollution control during melting and sintering of MSWI fly ash
A new integrated evaluation method of heavy metals pollution control during melting and sintering of MSWI fly ash
复制标题
垃圾焚烧飞灰熔融烧结过程中重金属污染控制综合评价新方法
DOI：
10.1016/j.jhazmat.2015.02.055
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发表时间：
2015-05-30
影响因子：
13.6
通讯作者：
Wang, Weiyun
中科院分区：
文献类型：
--
作者：
Li, Rundong;Li, Yanlong;Wang, Weiyun
重金属治理技术评价主要考察单一重金属的残留率和浸出率，已开发的评价方法缺乏协调性和唯一性，不适用于危害治理效果评价。建立了综合污染毒性指数（OPTI），并以此为基础建立了重金属污染控制的综合评价方法。将该方法应用于粉煤灰的熔融烧结过程，结果表明：熔融过程的综合控制效率均高于烧结过程。熔炼综合控制效率最低为56.2%，烧结综合控制效率最高为46.6%。使用相同的技术，可以在较低的温度和较短的时间内实现更高的综合控制效率条件。本研究证明了该方法的统一性和一致性。(C)2015 Elsevier B.V.版权所有。
Evaluations of technologies for heavy metal control mainly examine the residual and leaching rates of a single heavy metal, such that developed evaluation method have no coordination or uniqueness and are therefore unsuitable for hazard control effect evaluation. An overall pollution toxicity index (OPTI) was established in this paper, based on the developed index, an integrated evaluation method of heavy metal pollution control was established. Application of this method in the melting and sintering of fly ash revealed the following results: The integrated control efficiency of the melting process was higher in all instances than that of the sintering process. The lowest integrated control efficiency of melting was 56.2%, and the highest integrated control efficiency of sintering was 46.6%. Using the same technology, higher integrated control efficiency conditions were all achieved with lower temperatures and shorter times. This study demonstrated the unification and consistency of this method. (C) 2015 Elsevier B.V. All rights reserved.