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IN TANNING INDUSTRY

   

Recycling and reuse of chromium solutions

Beamhouse, Tanyard

Exhausted tanning floats are reused at either the pickling or...

Substitution of nitrogenous compounds in post-tanning

Post tanning

Substitution of amino resins and ammonia used as a dye...

Preventing the formation of hexavalent chromium in the post-tanning phase

Post tanning

Implementing operational procedures in the post-tanning process...

Increasing the efficiency of chromium tanning

Tanyard

Optimising the physical parameters of the process to increase...

Pretanning with non-chrome tanning agents

Tanyard

Pretanning changes the physical and chemical characteristics of...

Pretanning using aldehydes, producing chromium-free leather

Tanyard

Pretanning with aldehydes, followed by more intensive...

Process changes to reduce metal discharges

Tanyard

Use of high-exhaustion tanning, or ageing of chrome-tanned...

Chromium-free Titanium tanning

Tanyard

Titanium used as a tanning agent has been proven to produce...

Chromium-free oxazolidine tanning

Tanyard

Tanning of hides free of metals using oxazolidine instead of...

Preventing the formation of hexavalent chromium in the tanning phase

Tanyard

Implementing operational procedures in the tanning process that...

Chromium recovery through precipitation and separation

Tanyard

Separation of chromium salts from the aqueous effluent stream by...

Recycle of basic chromium sulphate

Waste water treatment

Recovery of basic chromium sulphate from the tannery's waste...

 

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