Technology Of Modified Sodium-Aluminum Catalysts For Nitrogen Gas Purification Systems
Keywords:
Abstract
The introduction of the method of chemical trapping of nitrogen oxides in a complex with selective catalytic purification of tail gases from industrial production makes it possible to increase the service life of the catalyst regardless of the NOx concentration, create a cycle of low-waste technology and achieve significant savings in the consumption of the scarce AVK-10 catalyst ... Reuse of the spent catalyst AVK-10 in the process of cleaning tail gases of industrial production from NOx and absorption-catalytic cleaning of the latter with the use of solid waste products allows simultaneously solving environmental and economic problems in the production of weak nitric acid.
The prospect of using the waste of lead-concentrating factories as a natural sorbent-catalyst in gemological is substantiated. processes of purification of waste gases of sulfuric acid production.
The proposed chemisorption-catalytic method for purifying waste gas mixtures from sulfur dioxide does not require special preparation of a wet, high-temperature dusty gas. The use of natural materials within the framework of this method allows you to extract from them valuable raw materials - metal oxides.
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