Volumen 70: nº 1

Closed-loop liming and chrome tanning processing: A solution to pollution

This paper concerns a radical new approach to the unhairing/liming and chrome tanning processes for wet blue manufacture.

Clean Salt recovery and water recycling using Nanofiltration and Reverse Osmosis

Tannery wastewater is a complex mixture of organic substances derived from the hide and inorganic substances such as salts and chemicals, which are added during the Beamhouse and Tanyard processing.

Enzymatic unhairing: Permeability assay of bovine skin epidermis with fungal enzyme extracts

The aim of enzymatic unhairing is to allow the separation of the outer sheath of hair root from the dermal connective tissue. This is considered an ecofriendly process.