Recovering ultraclean lignins of controlled molecular weight from Kraft black-liquor lignins

2015 ◽  
Vol 51 (64) ◽  
pp. 12855-12858 ◽  
Author(s):  
A. S. Klett ◽  
P. V. Chappell ◽  
M. C. Thies
Keyword(s):  
Molecular Weight ◽  
Acetic Acid ◽  
Black Liquor ◽  
Acid Water ◽  
Liquid Equilibrium ◽  
Kraft Black Liquor ◽  
Acetic Acid Water

By operating in a region of liquid–liquid equilibrium, hot acetic acid–water mixtures can be used to simultaneously clean, fractionate, and solvate Kraft black-liquor lignins.

scholarly journals The Fractionation of the Nitrogen Compounds of Wheat Flour on Sephadex Collumns

1968 ◽  
Vol 21 (5) ◽  
pp. 1077 ◽  
Author(s):  
HPC Galluse ◽  
AC Jennings
Keyword(s):  
Molecular Weight ◽  
Acetic Acid ◽  
Wheat Flour ◽  
Trichloroacetic Acid ◽  
Acid Water ◽  
Nitrogen Compounds ◽  
Low Molecular Weight ◽  
Acetic Acid Water

Bagdasarian et al. (1964) have discussed the difficulties in separating compounds of low molecular weight from proteins, and the advantages of using a volatile solvent, such as phenol~acetic acid~water (1 : 1 : 1, w/v/v) (referred to as solvent A in the remainder of this paper), to achieve this separation. Trichloroacetic acid is also efficient in effecting this separation (Bagdasarian et al. 1964), but it dissolves glycoproteins (Bell 1963; Stenzel et al. 1964 ; Jennings and Watt 1967) and some of the wheat flour proteins (Bell 1963) and is difficult to remove from solutions.

Ternary liquid equilibrium systems ethanol-water-methyl isobutyl carbinol and acetic acid-water-ethyl butyrate

1972 ◽  
Vol 17 (3) ◽  
pp. 379-383 ◽  
Author(s):  
Pidaparthy Dakshinamurty ◽  
Chelikani Chiranjivi ◽  
Pulipaka Venkateswara Rao ◽  
Vangala Subrahmanyam
Keyword(s):  
Acetic Acid ◽  
Ethyl Butyrate ◽  
Acid Water ◽  
Methyl Isobutyl ◽  
Liquid Equilibrium ◽  
Acetic Acid Water
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