... Applicable scope: fine filter application instance for oil refining industry.-Catalytic reformer and gas filtering;-Hydrofining unit, hydrogen ... filter;- Oil blending lubricant filtering. Petroleum and chemical industry;- Ethylene, propylene, butadiene, acetylene, benzene, xylene and ... such as acetone, ethanol and glycerol. The chemical industry;- Various kinds of solvents, caprolactam, fat, alcohol ...