METHOD OF PREPARING COMPOSITE HUMIN-CONTAINING SORBENT WITH SILICA MATRIX

• Main Authors: KHRITOKHIN N.A, KERTMAN S.V
• Format: Patent
• Language: English
• Published: 10.06.1999
• Edition: 6
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

FIELD: sorbents. SUBSTANCE: method consists in recovering, with aqueous sodium silicate solution, active functional constituent of sorbent from natural humin material, in which procedure humin acids are bound in condensation reaction. EFFECT: increased sorption capacity. 1 tbl, 4 ex