Process for the removal of oil from an oil-in-water dispersion
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United States of America Patent
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Jun 18, 1985
Grant Date -
N/A
app pub date -
Feb 14, 1984
filing date -
Feb 17, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a process for the separation of oil from an oil-in-water dispersion by coalescence followed by separation of coalesced drops, coalescence is carried out at the surface of a solid material manufactured by contacting a solid material having active H atoms in surface groups or a polyolefin in the presence of water with a compound Si(R.sup.1)(R.sup.2)(R.sup.3)(R.sup.4), in which R.sup.1 is a (cyclo)aliphatic group containing one or more amino groups, R.sup.2 a hydrolyzable group and R.sup.3 and R.sup.4 a hydrolyzable or non-hydrolyzable organic group or a hydrolyzable atom.
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