... on bo ch hn dch gii c cha than hot 19 - Mụ t cỏc giai on bo ch hn dch cha than hot: + Sy than hot t sy 100c gi, rõy than hot qua rõy cú ng kớnh mt rõy l 0,125mm Cõn than hot ó rõy theo cụng thc ... cỏc loi than hot cú ngun gc khỏc thỡ kh nng hp ph s khỏc chn c loi than hot cú kh nng hp ph tt, chỳng tụi tin hnh ỏnh giỏ kh nng hp ph ca loi than hot sau: than hot c sn xut ti Vit Nam, than hot ... 208mg than hot Nht Bn l 46,88mg, chim 93,76% lng xanh methylen ban u, ln hn 25 khong 1,2 ln so vi than hot Vit Nam; 1,7 ln so vi than hot Trung Quc v 4,4 ln so vi than hot ca Anh - Mu than hot...