【摘要】 QH-1型扁环填料已取得国家专利。中、低界面张力的液-液萃取体系以及气-液传质过程的应用研究表明,该填料具有处理能力大、阻力降小、传质效率高和生产成本低等优点.它已在润滑油精制、重芳烃反抽提、溶剂回收和污水处理等场合得到应用,社会效益和经济效益显著.更多还原

【Abstract】 Application of the patented QH-1 type flat ring packing in the liquid-liquid extraction system withlow to medium interface tension and the gas-liquid mass transfer study showed that,the packing has the ad-vantages of high capacity,low pressure drop,high mass transfer efficiency and low manufacturing cost.This type of packing has been used in fields including lube oil refining,aromatics back extraction,solventrecovery as well as waste water treatment.Notable economic and social effects have been gained.更多还原