THE PHOSPHORIC ACID INFLUENCE ON THE DEPOLLUTION OF THE WASTE WATERS ORIGINATED IN THE PRODUCTION OF KRAFT PULP

  • IFRIM IRINA
    UNIVERSITY OF BACĂU
  • CIOBANU DOMNICA
    UNIVERSITY OF BACĂU
  • ANDRIOAI GABRIELA
    UNIVERSITY OF BACĂU

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.

Cuvinte cheie

kraft pulp wastewaters phosphoric acid depollution