Method of sulfur dioxide removal from gaseous streams with...

B - Operations – Transporting – 01 – D

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

B01D 53/14 (2006.01) B01D 53/50 (2006.01) C01F 11/46 (2006.01)

Patent

CA 2097996

A method is provided for removing sulfur dioxide from a hot gaseous stream while directly producing .alpha.-hemihydrate gypsum from a scrubber effluent. A portion of an aqueous scrubbing medium containing calcium and magnesium sulfite is removed from a scrubbing unit and passed to a pressurized oxidation vessel where the sulfites are contacted with an oxidizing gas at an elevated temperature to convert calcium sulfite directly to .alpha.-hemihydrate gypsum and magnesium sulfite to magnesium sulfate. The .alpha.-hemihydrate is separated from the aqueous medium removed from the pressurized oxidation vessel.

On divulgue une méthode pour éliminer le dioxyde de soufre d'un circuit gazeux chaud tout en produisant du gypse alpha semi-hydraté directement à partir d'effluents d'une tour de lavage. Une partie d'un milieu de lavage aqueux contenant des sulfites de calcium et de magnésium est retirée d'une unité de lavage et introduite dans un réacteur d'oxydation sous pression, où les sulfites entrent en contact avec un gaz oxydant à température élevée, afin de convertir le sulfite de calcium directement en gypse alpha semi-hydraté et le sulfite de magnésium en sulfate de magnésium. Le semi-hydrate alpha est séparé du milieu aqueux retiré du réacteur d'oxydation sous pression.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Method of sulfur dioxide removal from gaseous streams with... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of sulfur dioxide removal from gaseous streams with..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of sulfur dioxide removal from gaseous streams with... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1457334

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.