褐煤半焦水蒸气活化法制备活性炭的工艺研究  

Research on the technique for producing activated carbon by water-steam activation of the semi-coke from lignite

作　　者：范艳青[1] 陈雯[2] 蒋训雄[1] 汪胜东[1] 

机构地区：[1]北京矿冶研究总院,北京100044 [2]昆明理工大学材料与冶金工程学院,云南昆明650093

出　　处：《煤炭加工与综合利用》2005年第3期35-39,共5页Coal Processing & Comprehensive Utilization

摘　　要：通过对褐煤半焦水蒸气活化法制备活性炭原理的探讨及实验研究,分析了活化温度及时间、水蒸气流量等影响因素;用煤焦油做粘结剂制得的活性炭具有优越的物理和化学性能;在褐煤半焦粒度- 1 0 0目,活化温度70 0℃,活化时间4h ,水蒸气流量1 0 88 .89ml/min时,制得的活性炭碘吸附值达到了1 1 36. 39mg/g。The mechanism and experiment investigation on preparing activated carbon by water-steam activation of semi-coke from lignite conducted;influential factor as the activation temperature and time,and flowrate of water-steam analyzed;with coal tar as binder,the activated carbon thus produced has excellent physical and chemical properties;with the parameter as: semi coke size -100 mesh,activation temperature 700℃,activation time 4h,and water-steam flowrate 1088.89ml/min,the iodine value of prepared activated carbon up to 1136.39mg/g.

关 键 词：褐煤 半焦 水蒸气 活化 活性炭 碘值 

分 类 号：TQ424.1[化学工程]