Betz Laboratories, Inc.

Joe C Steelhammer

David M Polizzotti

Ian D Morrison

Lawrence S Wittenbrook

Paul J Hutta

Method for enhancing the removal of particles from a particle-laden gas stream utilizing an electrostatic precipitator, which comprises treating the gas with morpholine or derivatives thereof. Treated particles are found to also have desirable flow characteristics. Particularly effective compositions for the purpose comprise a combination of the morpholine, or derivative thereof, with an electrostatic precipitator efficiency enhancer, and in particular an alkanolamine.

Electrostatic precipitator efficiency enhancement

An improved method for inhibiting sulfite oxidation in scrubber liquor of the type containing sulfite species is disclosed. A topping agent selected from the group consisting of polyphosphate compounds, and organo-phosphonic acid compounds, and mixtures thereof, is added to the scrubbing liquor to supplement and enhance the antioxidant activity of sulfite antioxidant agents such as the linear polyethyleneamines and substituted secondary and tertiary aromatic amines.

Method of improving sulfite antioxidant performance in high solids

A method for reducing the oxidation of sulfite to sulfate in a sulfite-containing aqueous medium is disclosed and comprises adding to the medium water-soluble polyethyleneamine having at least one secondary amine and two primary amines.

Polyethyleneamines as sulfite antioxidants

A method for passing an additive comprising morpholine across gas stream in an electrostatic precipitator to improve particle removal.

A method is disclosed for improving operation of an electrostatic precipitator. By adding free base amino alcohol to a particle-laden gas being treated by the precipitator, the efficiency of particle removal is significantly enhanced.

Growing community of inventors

Lansdale, PA, United States of America

Joe C Steelhammer