The purpose of this new technology is to immobilize chromium, which can avoid the secondary pollution so as to make tannery sludge innocent and use it as a resource.
Nike said it was meeting its tannery suppliers and investigating the supply chain.
By using coal fly ash as main material, the alkali fusion-hydrothermal synthesis method was adopted to prepare zeolite-A and apply it to tannery wastewater treatment in this paper.
We've used leather from a Silver-rated tannery, which means the tanning facility has achieved a high environmental rating from a third-party audit.
My father was the son of an uneducated man who owned a tannery and then a glove factory.
A great quantity of neutral salts, mainly produced during the pickling process in leather-making and difficultly separated from waste liquid, have been found in tannery effluent.
Isolation and characterization of bacteria with chromium(Ⅵ) removal capacity from chromium-contaminated tannery sludge
treatment of tannery wastes
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