Discussion
Carbonate conditioning precipitates calcium sulphate as calcium carbonate by maintaining an excess of
Answer: B
Correct answer: sodium carbonate in the boiler water
Maintaining an excess of carbonate ions ensures that calcium precipitates as the carbonate, which is a loose sludge, before it can reach saturation as the sulphate and crystallise on the tube as scale. It converts a scale-forming salt into a sludge-forming one, and the sludge is removed by blowdown.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development