The problems of disulfide and caustic liquid entrainment and waste caustic residue existed in caustic sweetening process are discussed. The improving technical route is proposed.
同时分析了液化气碱法脱臭工艺存在的二硫化物夹带、碱液夹带和废碱渣等问题，提出了改进的工艺技术路线。
Presently, there've been no new breakthroughs in comprehensive utilization of the waste caustic liquid from ethylene cracking both domestically and internationally.
目前，国内外在乙烯裂解废碱液综合利用方面尚无新的突破。
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