No.24 微粉炭火力発電プロセスにおけるフライアッシュ中粒子状水銀の形態(灰・微量元素(3))

概要

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Mercury desorption profiles of fly ashes were investigated to observe mercury forms for 12 different fly ashes collected from pulverized coal fired power plants. In the desorption experiments, mercury form was almost all elemental mercury for all coal fly ashes. However, the profiles were different in coal types. Standard desorption experiments using activated carbon with and without HCl gas were carried out to elucidate difference of the desorption profiles. It was clearly that adsorbed mercury through HCl on the carbon surface was evolved as elementary mercury.
2010-09-21