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Ultrafiltration of Kraft Black Liquor. Final report, Phase I

Technical Report ·
OSTI ID:6451252
Kraft Black Liquor (KBL) is ultrafiltered to favorably affect the properties of the KBL permeate. The major property to be changed is viscosity. If the high molecular weight lignin is removed by ultrafiltration, the KBL permeate should show a significant drop in viscosity. An objective of the work reported was to examine how much KBL viscosity is lowered relative to membrane and membrane pore size used in the ultrafiltration. Another objective was an initial evaluation of ultrafiltration equipment and membranes. Operating characteristics were determined for selected equipment and membranes. Decreases in KBL permeate viscosity were indeed seen. (LEW)
Research Organization:
Maine Univ., Orono (USA)
DOE Contract Number:
AC02-82CE40606
OSTI ID:
6451252
Report Number(s):
DOE/CE/40606-T3; ON: DE86005233
Country of Publication:
United States
Language:
English

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Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320303* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
FILTRATION
INDUSTRIAL WASTES
LIQUID WASTES
MEMBRANES
SEPARATION PROCESSES
SPENT LIQUORS
ULTRAFILTRATION
VISCOSITY
WASTES