B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/14 (2006.01) B01D 53/50 (2006.01)
Patent
CA 2436727
Sulfur dioxide is removed from a gaseous stream using an aqueous scrubbing slurry of magnesium and calcium scrubbing components where the process is carried out where lime and magnesium hydroxide are blended to give a molar ration of between about 1.0 to 2.0, so as to provide a solids content in the aqueous scrubbing slurry of between about 12 to 20 percent, which includes about 10 to 15 percent suspended solids and 2 to 5 percent dissolved solids, and a dissolved sulfite content of about 13,000 to 20,000 ppm and a pH of between about 5.8-6Ø
On supprime du dioxyde de soufre d'un flux gazeux au moyen d'une boue aqueuse de lavage contenant des constituants de lavage de magnésium et de calcium, ce procédé consistant à mélanger de la chaux et hydroxyde de magnésium afin d'obtenir un rapport molaire entre 1 et 2, de manière à obtenir une teneur en solides dans la boue aqueuse entre 12 et 20 %, ce qui contient 10 à 15 % de solides en suspension et 2 à 5 % de solides dissous, ainsi qu'une teneur en sulfite dissous entre 13 000 et 20 000 ppm et un pH entre 5,8 et 6.
Carmeuse Lime (canada) Limited
Dravo Lime Inc.
Smart & Biggar
LandOfFree
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