Tanning Agents                                            
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Project at a Glance Contents on the CD ROM
  • Tanning is the process of making leather, which does not easily decompose, from the skins of animals, which do.
  • The materials which can tan leather are known as tannins. These can be produced naturally or synthetically.
  • At present tanning agents employed in leather industry are based mainly on chromium - containing tanning agents, which are much better than other inorganic tanning agents, synthetic tanning agents and vegetable tanning agents in terms of the comprehensive performance of the leather tanned by them.
  • The tannery operation consists of converting the raw hide or skin, a highly putrescible material, into leather, a stable material, which can be used in the manufacture of a wide range of products.
  • The process of converting the putrescible hides and skins into non-putrescible leather is called Tanning.
  • The leather which is first tanned with white tanning agents i.e. alum, zirconium, glutaraldehyde tanning agent in replace of chrome tanning agents and then retanned with vegetable tanning materials i.e. mimosa, quebracho etc., syntans, glutaraldehyde tanning materials etc. for making shoe upper leather is known as chrome free vegetable tanned shoe upper leather.
  • Vegetable tannaged leather has excellent fullness, moldering properties, wear resistance, air permeability and solidness; hence, it is of great significance to reduce chrome pollution in leather making process.
  • Before tanning the main important operations for leather manufacturing are done in beam house. Beam house operations consist of Soaking, Liming, Deliming, Bating, Pickling, Depickling and Degreasing.
  • The production of leather depends on the generation of complexes between the tanning  agent and the skin collagen.
  • Chromium metal is widely used as a tanning agent worldwide. The process called chrome-tanning is accomplished in three steps: Pickling, Tanning and Basification.
  • Chrome tanned leather, being the need of people all over the world, has the edge that its manufacture cannot be stopped. This has given some economic advantage to some developing countries including Pakistan to manufacture leather and export it to the developed countries.
Introduction
  • Characterization of tannery chemicals: Retanning agents
  • Retanning
  • Glossary of terms relating to tanning and tanning agents
  • Tanning and retanning
  • Chemicals Handling
    in the Tanning Industry
  • Vegetable Tanning.
  • Tanning

Msds

  • Ammonium Chloride
  • Erythrulose msds
  • Fatty Alcohol Ethoxylate
  • Nonylphenol Ethoxylate
  • Osmocote Total All Purpose
  • Zoldine

Products

  • Cromeno
  • Dolatan
  • DMI
  • Novaltan
  • Sellatan
  • Specialty Chemicals
  • Synthetic Tanning Agent for Leather
  • Tanfix
  • Trupotan
  • Vegetable Tanning Agent

Patents

  • Dicarbamoylsulfonate tanning agent
  • Acrylate tanning agent
  • Tanning agent and process
  • Tanning agent containing a dialdehyde
  • Chrome-tanning
  • Water-soluble synthetic tanning agents
  • Re-tanning process
  • Method for preparing titanium tanning agent
  • Bisulfite-blocked polyisocyanates as tanning agents

Study and Analysis

  • A Study to Analyse chromium in tanning samples using sequential injection analysis
  • Study on the combination tanning property
  • Preparation and Application of a Nanocomposite (MPNS/SMA) in Leather Making
  • Study on Characterizes and Tanning Property of THPS and Fe(II) In - Situ Cooperative Substance

Tanning Process

  • The Investigation, Development and Characterisation of Novel Zirconium - based Tanning Agents
  • Mineral tanning
  • Potential of Vegetable Tanning Materials and basic aluminum sulphate in sudanese leather industry
  • Quantitative analysis of tanning agents by filter method
  • Sustainable and environmentally friendly production of leather
  • Synthesis and Properties of Tannin / vinyl polymer Tanning Agents
  • Tanneries
  • Tanning
  • Tanning Process
  • Wet white tannage
Tanning Agents Manufacturing Process
  • Preparation and Application of Cr-Fe Tanning Agent Reduced by Chrome Shavings and Iron (II)
  • Environmental evaluation of modernisation of the chromium tanning agent process
  • The Formation of tanning matrix and combination tanning synergistic effect
  • Study on the In situ preparation of Nano-Sio2/THPC Nano - Composite Tanning Agent
  • The New Vision on Chrome Tannage

Project and Plant Details

  • Techno-Economic Evaluation of Chromium Recovery Pilot Plant
  • Chrome tannage
  • Project for recovery and reuse of industrial waters and trivalent chromium generated by tannery waste processing
  • Production of a natural plant crosslinker from olive waste for leather tanning
  • Plant from Kolkata
  • Plant from Argentina
  • Another plant from Argentina
  • Plant from Russia

Company Profiles

  • Company from Maharashtra (India)
  • Company from India
  • Company Profile
  • Company from Spain
  • Company from Arbon
  • Company from Maharashtra
  • Another Company from India
  • Company from Chennai (India)
  • Company from Germany
  • Another Company from Chennai (India)
  • Company from China
  • Another Company from Argentina
  • Company from Goa (India)
  • Another Company from Germany

Suppliers

  • Tanning Agent suppliers
  • Indian Suppliers
  • Manufacturers and Exporters
  • Suppliers of Tanning Agent

Reports

  • Metalfree Pretanning

  • Oxazolidines the versatile leather tanning agents
  • The European Tanning
    Industry Sustainability
    Review
  • Executive Summary
  • Lanxess of Germany unveils expansion plans
  • Guidelines for the Tanning Industry

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