THE USE OF THE LIGNIN IN THE TECHNOLOGY OF THE CASTING MIXTURE
CIOBANU DOMNICA, IFRIM IRINA, ANDRIOAI GABRIELA
UNIVERSITY OF BACĂU
Abstract
The lignin resulted from the process of flocculation in acid environment from the sulphate waste waters, is a product with specific functional properties which can be used with the best results in the electrical and metallurgical industry and in the wood industrialization.