Preventingbarium sulfate scales is difficultbecause the sulfate ion is ubiquitous in apulp mill andbleachplant. The sulfate dianion is the netproduct ofbound sulfur onbrown stockpulp, sulfur carryover frombrown stock washing, and acid used forpH adjustment in thebleachplant. Barium sulfate scale is difficult to removebecause sulfate is a strong ...
Read On