活性炭的特性:
活性炭是一种经特殊处理的炭,将有机原料(果壳、煤、木材等)在隔绝空气的条件下加热,以减少非碳成分(此过程称为炭化),然后与气体反应,表面被侵蚀,产生微孔发达的结构 (此过程称为活化)。由于活化的过程是一个微观过程,即大量的分子碳化物表面侵蚀是点状侵蚀 ,所以造成了活性炭表面具有无数细小孔隙。活性炭表面的微孔直径大多在2~50nm之间,即使是少量的活性炭,也有巨大的表面积,每克活性炭的表面积为500~1500m2,活性炭的一切应用,几乎都基于活性炭的这一特点。
活性炭的规格:
品 名: | 充填密度 | CTC | 灰 分 | 水 分 | 强 度 | 粒 径 | 着火点 | BWC | 脱附率 | PH | 微粉量 | 碘 值 | 亚甲蓝 | 有效径 | 粒度分布 | |
单 位: | g/ml | % | % | % | % | mm | ℃ | g/dl | % | mg/g | ml/g | mm | % | |||
标 准: | JIS | JIS | JIS | JIS | JIS | - | JIS | JIS | - | JIS | 自测 | JIS | JIS | JIS | ||
4GG-EC | 0.45-0.50 | ≧62 | ≦12 | 3≧ | ≧99 | 4-5.5mesh | 95≦ | |||||||||
4GG-EC PSA | 0.45-0.50 | ≧62 | ≦12 | 3≧ | 4-5.5mesh | 95≦ | ||||||||||
3GG-EC | 0.50-0.60 | ≧62 | ≦10 | 5≧ | 4.7-7.5Mesh | (95≦ ) | ||||||||||
3GG-EC72 | 0.43-0.50 | ≧72 | ≦10 | 3≧ | ≧98 | 4.7-7.5Mesh | (95≦ ) | |||||||||
EC9.0mm | 0.47-0.54 | ≧48 | 5≧ | ≧95 | ≧950 | -2.5Mesh | 95≦ | |||||||||
EC7.0mm | 0.43-0.50 | ≧66 | 3≧ | ≧98 | ≧450 | -3.5Mesh | ≧95 | |||||||||
EC5.0mm | 0.43-0.51 | ≧66 | 3≧ | ≧98 | ≧450 | -5.5Mesh | ≧95 | |||||||||
EC4.0mm | 0.43-0.51 | ≧66 | 3≧ | ≧98 | ≧450 | -6.5Mesh | ≧95 | |||||||||
EC2DXS | 0.50-0.62 | ≧46 | ≦10 | ≦5 | 2.0-2.4 | ≧900 | 6.5-12Mesh | ≧95 | ||||||||
EC2GK-100 | 0.30-0.38 | ≦5 | ≧90 | ≧65 | ≧1350 | -6.5mesh , 12mesh- | ≦5,≦5 | |||||||||
EC2GK-95 | 0.35-0.40 | ≦5 | ≧90 | ≧11 | ≦0.3 | ≧1300 | 5.5-10mesh | ≧90 | ||||||||
EC2GKH | 0.30-0.38 | ≦5 | ≧90 | 12.5-13.5 | ≧67 | -6.5mesh , 12mesh- | ≦5,≦5 | |||||||||
EC2GKHD | 0.30-0.38 | ≦5 | ≧90 | 12.5-13.3 | ≧67 | ≦0.3 | -6.5mesh , 12mesh- | ≦5,≦5 | ||||||||
EC3,0mm | ≧0.50 | ≧80 | ≦8 | ≦3 | 3.3-3.5 | 4.7-6.5mesh | ≧95 | |||||||||
ECS-70 | 0.45-0.55 | ≧57 | ≦10 | ≦3 | ≧95 | 2.5-5.5Mesh | ≧95 | |||||||||
EC-SW1.5mm | 0.45-0.52 | ≦11 | ≦5 | ≧97 | ≧1050 | ≧190 | 7.5-18mesh | ≧95 | ||||||||
EC-SW1.0mm | 0.47-0.52 | ≧65 | ≦11 | ≦5 | ≧97 | ≧1000 | ≧180 | 10-30Mesh | ≧95 | |||||||
EC-SW-Y1.3mm | 0.40-0.50 | - | ≦7 | ≧95 | ≧1200 | ≧200 | 1.2±0.05 | 8.6-18Mesh | ≧90 | |||||||
EC-SW-Y1.0mm | 0.40-0.50 | - | ≦7 | ≧95 | ≧1200 | ≧200 | 0.9±0.05 | 10-30Mesh | ≧90 | |||||||
EC-SKW10/30 | 0.44-0.50 | ≦10 | ≦5 | ≧95 | ≧1020 | ≧190 | 10-30Mesh | ≧95 | ||||||||
EC-KWA10/30 | 0.40-0.48 | ≦10 | ≦4 | ≧93 | 6-8 | ≧1000 | ≧180 | 10-30mesh | ≧95 | |||||||
EC-KW8/16 | 0.40-0.50 | ≦11 | ≦5 | ≧1030 | 7.5-16mesh | ≧90 | ||||||||||
EC-KW10/42 | 0.35-0.45 | ≦11 | ≦5 | ≧1030 | 10-42mesh | ≧90 | ||||||||||
EC-P200 | ≦20 | ≦5 | ≧900 | -200Mesh | ≧90 | |||||||||||
EC-P325 | ≦20 | ≦5 | ≧900 | -325Mesh | ≧90 | |||||||||||
注:( )内为参考値。 |
活性炭的生产工艺流程: