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Title: Electrophoretic mass transport analyzer: operational characteristics with aqueous solutions and applicability to organic liquid-solid systems

Abstract

Operation of a Micromeritics Electrophoretic Mass Transport Analyzer (EMTA) is discussed, and preliminary results with both aqueous and organic systems are given. Use of the EMTA with aqueous mixtures has shown promising results. In particular, the behavior of kaolin-water and carbon-water systems is discussed, as well as carbon-benzene (an organic mixture). However, considerable difficulty was encountered with organic mixtures from the Solvent Refined Coal (SRC) process due to the very low conductivities of these systems. The Micromeritics EMTA could not measure conductivities in this range because of limitations on the resistance bridge in the measuring circuit. Additives, although successful in increasing conductivity, failed to provide a sufficient increase to bring the EMTA on scale. (DLC)

Authors:
Publication Date:
Research Org.:
Oak Ridge National Lab., Tenn. (USA)
OSTI Identifier:
7213615
Report Number(s):
CONF-770814-4
DOE Contract Number:  
W-7405-ENG-26
Resource Type:
Conference
Resource Relation:
Conference: American Chemical Society meeting, Chicago, Illinois, United States of America (USA), 29 Aug 1977
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; DISPERSIONS; ELECTROPHORESIS; SOLVENT-REFINED COAL; ADDITIVES; BENZENE; CARBON BLACK; PARTICLES; WATER; AROMATICS; CARBON; ELEMENTS; FUELS; HYDROCARBONS; HYDROGEN COMPOUNDS; NONMETALS; ORGANIC COMPOUNDS; OXYGEN COMPOUNDS; 010600* - Coal, Lignite, & Peat- Properties & Composition; 400201 - Chemical & Physicochemical Properties

Citation Formats

Hewitt, J D. Electrophoretic mass transport analyzer: operational characteristics with aqueous solutions and applicability to organic liquid-solid systems. United States: N. p., 1977. Web.
Hewitt, J D. Electrophoretic mass transport analyzer: operational characteristics with aqueous solutions and applicability to organic liquid-solid systems. United States.
Hewitt, J D. Sat . "Electrophoretic mass transport analyzer: operational characteristics with aqueous solutions and applicability to organic liquid-solid systems". United States.
@article{osti_7213615,
title = {Electrophoretic mass transport analyzer: operational characteristics with aqueous solutions and applicability to organic liquid-solid systems},
author = {Hewitt, J D},
abstractNote = {Operation of a Micromeritics Electrophoretic Mass Transport Analyzer (EMTA) is discussed, and preliminary results with both aqueous and organic systems are given. Use of the EMTA with aqueous mixtures has shown promising results. In particular, the behavior of kaolin-water and carbon-water systems is discussed, as well as carbon-benzene (an organic mixture). However, considerable difficulty was encountered with organic mixtures from the Solvent Refined Coal (SRC) process due to the very low conductivities of these systems. The Micromeritics EMTA could not measure conductivities in this range because of limitations on the resistance bridge in the measuring circuit. Additives, although successful in increasing conductivity, failed to provide a sufficient increase to bring the EMTA on scale. (DLC)},
doi = {},
url = {https://www.osti.gov/biblio/7213615}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1977},
month = {1}
}

Conference:
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