ball mill irie shokai japan
ball mill equipment irie shokai japan beebies. ball mill (Retsch type MM200) for 15 min with vibration of 30 Hz, and then were subjected to alkaline nitrobenzene oxidation, ozonation, and acidolysis analysis. Preparation of Bj#246;rkman lignin The extracted meal was ground nely with a vibratory ball mill VS2 (Irie Shokai, Tokyo, Japan) for