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Direkt omvandling av en polymerisationsreaktion som katalyseras av en ziegler-typskatalysator tillen polymerisationsreaktion som katalyseras av en krombaserad katalysator
Processo per il bloccaggio dicomposti dello zolfo, che risultino come prodotti di reazione nella combustione di sostanze combustibili contenenti zolfo, in un impianto di combustione, mediante l'aggiunta di additivi.
Catalyseur destine a la polymerisation d'alpha-olefines, procede de preparation d'un tel catalyseur et procede de polymerisation utilisant ce dernier
Processo para inibicao de formacao de encrustacoes em reatores utilizados para a polimerizacao de alfaolefinas em presenca de particulas de solidos cataliticos contendo titanio e cloro no estado combinado