... made fibers at high temperature, and other special catalytic process is made beyond the efficient absorption of granular activated ... PPM level adsorbate remains high adsorption capacity, while the GAC and other adsorbent materials are often adsorption capacity at low ... , NH3, etc.), odor, body odor and other harmful gases; 3. Water purification: can the removal of heavy metals, carcinogens, odors, ...