B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 46/00 (2006.01) B65G 53/60 (2006.01) C10J 3/84 (2006.01)
Patent
CA 2750431
The invention relates to a method for discharging the dust arising from pressure gasification using a dust precipitator having an associated discharge container, designed such that nitrogen entry into the raw gas is minimized or completely prevented, in order to keep subsequent chemical syntheses from experiencing nitrogen entry as much as possible in advance. The aim is achieved in that the filter elements positioned in the dust precipitator are backflushed using a gas comprising carbon dioxide or pure CO2 gas.
L'invention concerne un procédé destiné à décharger la poussière produite de la gazéification sous pression en utilisant un séparateur de poussière avec récipient de décharge associé qui doit être conçu de telle manière qu'un chargement d'azote dans le gaz brut soit réduit ou totalement évité pour libérer dans toute la mesure du possible dès le départ des synthèses chimiques ultérieures d'un chargement d'azote. Ce but est atteint du fait que les éléments filtrants positionnés dans le séparateur de poussière sont lavés à contre-courant au moyen d'un gaz contenant du dioxyde de carbone ou de CO2 gazeux pur.
Fetherstonhaugh & Co.
Uhde Gmbh
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