Dear Julian you can find some literature in the group library.
1. Chemical and biological treatment technologies for leather tannery chemicals and wastewaters: A review. A research Paper by - Giusy Lofrano, Sureyya Meriç, Gülsüm Emel Zengin, and Derin Orhon. http://bit.ly/1AMmMue
2. Best Available Techniques (BAT) Reference Document for the Tanning of Hides and Skins - by Institute for Prospective Technological Studies Sustainable Production and Consumption Unit European http://bit.ly/1MEBlIC
3. Treatment of leather industrial effluents by filtration and coagulation processes - http://bit.ly/1CmEsDR
4. Wastewater Treatment Technology For Tanning Industry - http://bit.ly/1Clh0Fm
1. Chemical and biological treatment technologies for leather tannery chemicals and wastewaters: A review. A research Paper by - Giusy Lofrano, Sureyya Meriç, Gülsüm Emel Zengin, and Derin Orhon. http://bit.ly/1AMmMue
2. Best Available Techniques (BAT) Reference Document for the Tanning of Hides and Skins - by Institute for Prospective Technological Studies Sustainable Production and Consumption Unit European http://bit.ly/1MEBlIC
3. Treatment of leather industrial effluents by filtration and coagulation processes - http://bit.ly/1CmEsDR
4. Wastewater Treatment Technology For Tanning Industry - http://bit.ly/1Clh0Fm