1.1
Reagents:
Sodium hydroxide
Catalysts:
Zinc acetate
Solvents:
Water
;
3 MPa, 255 °C; 30 min, 3 MPa, 255 °C; 255 °C → 120 °C; 30 min, < 120 °C
1.2
Reagents:
Sulfuric acid
Solvents:
Water
;
< 80 °C; 70 °C; 40 min, 70 °C; 1 h, 70 °C

643971 












