THE PHOSPHORIC ACID INFLUENCE ON THE DEPOLLUTION OF THE WASTE WATERS ORIGINATED IN THE PRODUCTION OF KRAFT PULP
IFRIM IRINA, CIOBANU DOMNICA, ANDRIOAI GABRIELA
UNIVERSITY OF BACĂU, CALEA MARASESTI 157, RO-5500 BACĂU, ROMANIA
Abstract
The obtaining of kraft pulp from softwood through the leaching of lignine in a highly alkaline environment leads to the pollution of the environment because of the existence of the alkalilignin and the tiolignin in the waste waters.