... the international quality system ISO-9001 certificate and U.S. NSF certificate. Activated carbon ... adsorption capacity.its pores include micropores,mesopores and macropore of diameter>2nm,20-2000nm,>200nm ... and catalyst carrier and widely uesd in industrial productionagriculture,environmental proection,nation defence industry,water purification,decolorization of pharmaceutical intermediates and raw ...