Alcrotan

Introduction

Used as a retanning as well as self tanning material.The process involves sulfonation of aromatic products, condensation, complexation and spray drying.

Application/Uses:

The product affords rich and uniform dyeing that helps to obtain soft and full leathers without a loaded feel. The product exhibits high exhaustibility(>96%) and high affinity to the vegetable tanned leathers.

Environmental Aspects :

Needs appropriate effluent disposal systems

Machinery / Equipments :

Spray drier; Glass lined reactor; Neutralisation vessels; Filtration assembly, Boilers etc.
Raw Materials: Aromatic compounds; Sulphuric acid; Amino resins; Chromium compounds; Aluminium compounds.

Techno Economics :

Estimated investment for a plant of 1 TPD (2 shifts) is around Rs. 8 millions. Alutan another retanning agent can also be made in the same plant.

Technology Package :

Process knowhow, process demonstration, quality assurance methods, project report, training of personal, assistance in implementation, data on effluents.

Are of application :

Leather & Animal Waste Utilization

For further information please contact :

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