Process for desulfurizing waste gases

Details Process for desulfurizing waste gases Process for desulfurizing waste gases

1987-04-27

1989-06-06

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

204 59R, C01B 1700

Patent

active

048369926

ABSTRACT:
A process for desulfurizing waste gas is described, wherein an SO.sub.2 containing waste gas is absorbed in an aqueous solution and the resultant solution containing sulfite is treated electrolytically which is much less expensive than the prior art methods, is simpler to implement and avoids the danger of producing explosive gases which is possible in prior art methods based on anodic O.sub.2 formation and cathodic H.sub.2 formation. In this process, electrochemical oxidation of SO.sub.3.sup.2- ions into SO.sub.4.sup.2- ions occurs at the anode as well as a simultaneous formation of H.sup.+ ions, thereby producing H.sub.2 SO.sub.4, while avoiding the production of oxygen. Apparatus suitable for carrying out this process is also described.

REFERENCES:
patent: 3475122 (1969-10-01), McRae et al.
patent: 3524801 (1970-08-01), Parsi
patent: 4082835 (1978-04-01), Chlanda et al.
patent: 4629545 (1986-02-01), Mani et al.

Affiliated with

Also associated with

Rating

Process for desulfurizing waste gases does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for desulfurizing waste gases, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for desulfurizing waste gases will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-39285