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    Testing Methods And Evaluation Criteria For Environmental Friendliness Of Tannery And Chemical Materials

    2007/12/1 15:17:00 41700

    Relevant technical situation at home and abroad


    The environmental friendliness of the products was qualitatively predicted according to the raw materials used for the production of leather chemicals. Germany has studied the biodegradability of tanning fatliquors.



    Research and development contents


    Characterization and standardization of biochemical activity of activated sludge


    Degradation of tannery chemicals by activated sludge and standardization of testing methods


    Evaluation standards and methods for biodegradation of different tannery chemicals



    innovation point


    For the first time, we systematically studied the biodegradability of tannery and chemical materials, and established a standard method and an evaluation index system that could be used to objectively evaluate the environmental friendliness of tannery chemicals.

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