84621 ⎘
Sulfur; Compounds thereof; Sulfur trioxide; Sulfuric acid; Separation; Purification; Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids by liquid-liquid extraction
METHOD FOR THE SEPARATION OF A NON-VOLATILE STRONG ACID FROM A SALT THEREOF AND COMPOSITIONS PRODUCED THEREBY
#2Method for recovering sulfuric acid from concentrated acid hydrolysate of plant cellulose material
#3Methods for the manufacture of cellulose nanocrystals