B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/86 (2006.01) B01D 53/90 (2006.01)
Patent
CA 2724781
A mixture of surfactants from alkylene oxide adducts with different degrees of alkoxylation is used in a urea solution to be added to an exhaust stream for reduction of nitrous gases.
Cette invention concerne un mélange de tensioactifs provenant d'adduits d'oxyde d'alkylène ayant différents degrés d'alcoxylation, utilisé dans une solution d'urée devant être ajoutée à un flux d'échappement en vue de réduire les gaz nitreux.
Strutz Ernst Olav
Wasow Guenther
Fetherstonhaugh & Co.
Yara International Asa
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