8Langmaier F,Kolomaznik K, Sukop S. Products of enzymatic decomposition of chrome-tanned leather waste [ J ]. Journal of the Society of Leather Technologists and Chemists, 1999,83 (4) : 187 - 195.
9Thanikaivelan P,Rao J R,Nair B U,et al. Zero discharge tanning a shift from chemical to biocatalytic leather processing [ J]. Environmental Science and Technology, 2002,36 ( 19 ) : 4187 - 4194.
10Palop R, Marsal A, Cot J. Optimization of the aqueous degreasing process with enzymes and its influence on reducing the contaminant load [ J ]. Journal of the Society of Leather Technologists and Chemists ,2000,84 : 170 - 176.
