DE2550488A1
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Nitrogen oxide removal from waste gas - by using an oxidising wash soln. prior to alkaline wash soln.
Assignee: Individual
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Filing: 1975-11-11
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Granted: —
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Expires: 1995-11-11
Abstract
Abstract For wasching waste gas contg. NOx, SO2, HCl, HF and other undesirable impurities, the gas is contacted with two wash media of different type. One contains an oxidising agent for NOx, pref. H2O2. The other consists of milk of lime or clarified Ca hydroxide soln. for the absorption of SO2, HCl and HF. The soln. contg. the oxidising agent is sprayed into the gas prior to contacting the gas with the second alkaline wash soln.
Inventors
- 👤 Heinz Gresch
- 👤 Heinz Hoelter
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 16:32
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/60; B01D53/68; Y; Y02; Y02A; Y02A50/00; Y02A50/20
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