Base on physical and chemical characteristic of the hogwash oil,the absorption spectrum of the hogwash oil bleached by hydrogen peroxide and activated bleaching earth were studied.

• 基于潲水油理化特征,研究了双氧水、白土对潲水油脱色后的吸收光谱,建立了光谱法监控对潲水油进行双氧水氧化和活性白土吸附脱色的新方法。