Nalco Chemical Company

Peter H Vossos

Ralph R Nielsen

Carl J Guardia

Richard F Tuka

Larry P Koskan

Morris Mindick

A method for the electrostatic precipitation of dust particles entrained in a gas stream which comprises adding predetermined amounts of an alkanol amine phosphate into the particle-laden gas stream in a location preceding the precipitation apparatus where the gas is at a temperature not greater than 650.degree. F.

Alkanol amine phosphate for improving electrostatic precipitation of

SO.sub.3 is removed from flue gas by injecting liquid sodium aluminate, achieving essentially complete SO.sub.3 removal.

Sodium aluminate to reduce flue gas corrosion

A process for preparing a dilute aqueous solution of a cationically modified polyacrylamide from a water-in-oil emulsion of a finely divided water soluble acrylamide polymer, a secondary amine containing 2 - 4 carbon atoms and formaldehyde is disclosed.

Continuous process for the preparation of a cationically modified

A process for preparing a dilute aqueous solution of a cationically modified polyacrylamide from a water-in-oil emulsion of a finely divided water soluble acrylamide polymer, a secondary amine containing 2-4 carbon atoms and formaldehyde is disclosed.

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Lisle, IL, United States of America

Peter H Vossos