High Exhaust Chrome Tanning

Introduction

While the conventional chrome tanning ensures a maximum of 60-70% exhaustion of chrome resulting in wastage as well as adding to pollution load, this process technology provides a process, whereby more than 90% exhaustion of chrome has been possible. The unique feature of the process lies in providing an economical as well as eco-friendly approach to produce wet blue leather of improved quality.

Industry classification

Primary : Tanning industry
Secondary : Leather making

Product type : Industrial

Manufacturing

a) process used
Primary : Chemical
Secondary : Chemico-mechanical

b) Major machinery used : Conventional machinery available in a tannery

Status : Demonstrated in 15 tanneries through the licenses

i) Year first Licensed : 1995
ii) No. Of License : Three
iii) Whether in Production : Yes

Economic Information:

Not applicable, because it is essentially an improved technology to be used in an existing leather processing unit.

Minimum Economic size: Same as above
Optimum Investment : Same as above

Major Raw Materials Required :

Hide/Skin/Pelt to be chrome tanned

Patent Information

If Patented : No

Contact for more information:

Dr. T. Ramasami,
Director, Central Leather Research Institute (CLRI),
Chennai -600 020, India
Tel: +91-(0)44-4910846
Fax: +91-(0)44-4912150
Email: clrimd@md2.vsnl.net.in