Urea pyrolysis chamber and process for reducing lean-burn engine
Urea reduction of NO.sub.x in combustion effluents
Urea reduction of NO.sub.x in fuel rich combustion effluents
Use of a tiO 2 composition as catalyst for hydrolyzing COS...
Use of aromatic salts for simultaneously removing SO.sub.2 and N
Use of manganese dioxide absorbent in treating waste gases
Use of manganese nodules or deep-sea ores containing manganese f
Use of solid hydroxides as scavenging materials for cyanide gas
Using flue gas energy to vaporize aqueous reducing agent for red
Using molecular sieve SSZ-63 for reduction of oxides of...
Using zeolite SSZ-58 for reduction of oxides of nitrogen in...