... 1.High absorption, 2.High purification efficiency, 3.Low resistance, reusable Jh type air-purification activated carbon,coal ... , developed micro porous, high absorption, high purification efficiency, low resistance, reusable, Its application is mainly purifying the air ... gas, making of H2, absorbing and recovering of the low boiling point material, deodorizing and oil removing etc. Subject Index(mm ...