an adsorbent clay that will remove coloring from oils
bleaching clay 例句
英汉例句
With the raw material of spent bleaching clay of castor oil refining, castor oil was recovered by 6# solvent extraction with special equipment designed and manufactured by oneself.
Either bleaching clay or clarifying clay possesses larger area, higher absorbability and better decoloration as both are resulted from activation (or acidification) process of bentonite.