An improved process for the treatment of tannery effluents

Introduction

The process involves anaerobic treatment followed by wet air oxidation using granular activated carbon eliminating almost 92% of suspended solids, 98% BOD, 85% COD, 100% sulfide, 100% odour while the pH of the processed liquor lies very close to neutral range facilitating easy disposal of the processed water

Machinery / Equipments :

Wet air oxidation reactor, activated carbon, compressor, primary clarifier

Raw Materials :

Activated Carbon

Status Of Commercialization :

Patent applied. Licensed in 1997 (9 Licenses to Sri Camundi Leather, Chennai, Shameel Tanners, Warangal, Shuttle Weaves colour Pvt. Ltd., Karur, India Dyeing Pvt. Ltd. ErodeJayamurugan Sago factory, salem, ARG Raja Sago factory, salem, Celebrity fashion P

Techno Economics :

10 m3 waste water treatment capacity. Optimum investment Rs. 5 lakhs per 10 m3 waste water

Contact for more information:

Central Leather Research Institute (CLRI),
Director
Adyar
Chennai 600020
Tamil Nadu,
India