Estudio Fitoquimicos De Plantas Medicinales Taninos

Quebracho extracts for the production of: • leather, • wood panels, • cardboards, • mining, • dispersants, • emulsifiers. A presence of more than 100 years in the international markets.

Twofactories in the Argentine northeast with a production capacity of more than 45.000 tonnes per annum of quebracho extracts. A staff of 500 people dedicated to the development, investigation, productionand sale of quebracho extracts.

Production of Quebracho extracts
Selection of the wood
• Selection of the wood from deposits  (more than six months of stock).
• Loading / feeding of factorieswith trailers.

Production process
• Grinding and diffusion • Primary evaporation • Autoclave and spray-dried • Quality controls • Envasado • Stocks and shipping

Production of Quebracho extractsProduction Process
Grinding and diffusion
Primary evaporation
Spray-dried and chemical treatment

Production of Quebracho extracts
Grinding and diffusion
• Chipping > perpendicular cut offibres.
• Extraction with water at 130º C in a counter-current process in stainless steel “autoclave” batteries.
• Obtention of tannin juice at 10/11% of solid material.
Liquid tannin
Cold waterHot water
Steam

Production of Quebracho extracts
Grinding and diffusion

Chipping

Diffusion

Boiler

Production of Quebracho extracts
Primary evaporation
• Concentration instainless steel evaporators with multiple effects
( 55% of solids)
Liquid tannin
Cold water
Steam

Production of Quebracho extracts
Chemical treatment and spraydrying
• Solubility treatment instainless steel “autoclaves” with sodium bisulphite. • Constant process controls of colour, salts and insolubles. • Colour adjustments. • Chemical treatments for special extracts. • Final drying inspray-dry plants for products in powder form. • Final drying in evaporators of descending film for block extracts (with up to 20/22 % of water).

Liquid tannin
Steam

Production of Quebracho...