Abstract: A method using retardant to inhibit solidification of slurried fly ash particles that were collected on a collection surface. The slurried particles are transported in a pipeline to a collection or disposal site during or after the addition of the retardant to the slurry. The retardant can be a dispersant, a deflocculant, a scale inhibitor or a sequestering agent such as a phosphate, organic phosphate, polymer, and mixtures thereof.
Type:
Grant
Filed:
January 26, 1999
Date of Patent:
April 24, 2001
Assignee:
ADA Environmental Solutions LLC
Inventors:
John Philip Comer, Kenneth Eugene Baldrey, John Wurster, Robert P. Sterner