Review of regenerable sorbents for mercury removal from coal-fired flue gas
Zhou Yuming
Yang Jianping
Zhao Yongchun
Zhang Junying
Zheng Chuguang
Abstract：Briefly reviewing the synergic mercury removal technology and regenerable sorbents for mercury removal from coal-fired flue gas especially those loaded with noble metals and metal oxides,the advantages and disadvantages were analyzed.A outlook of magnetic recyclable sorbents was given.A new idea that using magnetospheres from fly ash as recyclable sorbent was proposed to avoid the application limitations of the conventional mercury control technologies.The optimized method to produce Co3O4/CuCl2 modified sorbent was investigated to improve the mercury removal efficiency and resistance of complicated flue gas with low HCl content.Finally,a feasible technological process for the application of magnetospheres was proposed.This process can achieve high efficiency mercury removal with low cost to avoid mercury pollution of environment.
Keywords：regenerable sorbentmercury removalcoal-fired flue gasmagnetospheres sorbent
Publication Date：2017-01-01