通过向垃圾衍生燃料（RDF）原料中添加尿素来减少焚烧炉烟气中二噁英/呋喃（PCDD/F）的排放。

PCDD/F reduction in incinerator flue gas by adding urea to RDF feedstock.

作者信息

Ruokojärvi P, Tuppurainen K, Mueller C, Kilpinen P, Ruuskanen J

机构信息

Department of Environmental Sciences, University of Kuopio, Finland.

出版信息

Chemosphere. 2001 Apr;43(2):199-205. doi: 10.1016/s0045-6535(00)00135-1.

DOI:10.1016/s0045-6535(00)00135-1

PMID:11297399

Abstract

The effect of urea on PCDD/F formation in a pilot incinerator was studied by incinerating urea with refuse-derived fuel (RDF) at three concentrations (0.1%, 0.5% and 1.0%, of the fuel feed). A distinct reduction in both PCDD/F and chlorophenol concentrations could be noticed when urea was introduced into the system. Partial-least-square (PLS) analysis of the data showed the importance of certain chlorophenol isomers as PCDD/F precursors, pointing to the possibility that the impact point of the urea inhibitor could be before the precursor molecules, i.e. chlorophenols, have been formed.

摘要

通过在中试焚烧炉中以三种浓度（占燃料进料的0.1%、0.5%和1.0%）将尿素与垃圾衍生燃料（RDF）一起焚烧，研究了尿素对多氯二苯并对二噁英/多氯二苯并呋喃（PCDD/F）形成的影响。当将尿素引入系统时，可以注意到PCDD/F和氯酚浓度均有明显降低。对数据进行的偏最小二乘（PLS）分析表明某些氯酚异构体作为PCDD/F前体的重要性，这表明尿素抑制剂的作用点可能在形成前体分子即氯酚之前。