Assignee
CHEMREC AB
SE15 patents
Top patents by PatentIndex Score
US5486269AJan 23, 1996
Gasification of carbonaceous material in a reactor having a gasification zone and a combustion zone
CHEMREC AB43 citations92
US7294225B2Nov 13, 2007
Process for production of synthesis gas in combination with the maintenance of the energy balance for a pulp mill
CHEMREC AB11 citations77
US5660685AAug 26, 1997
Gasifying black liquor with recycling of generated hydrogen sulphide gas to the gasifier
CHEMREC AB7 citations74
US5407455AApr 18, 1995
Reactor for gasification of cellulose-waste liquors especially black liquor
CHEMREC AB15 citations74
US5370771ADec 6, 1994
Process for recovering energy and chemicals from spent liquor using low frequency sound
CHEMREC AB9 citations74
US5683549ANov 4, 1997
Process for the partial combustion of cellulose spent liquor using twin fluid nozzle burner
CHEMREC AB9 citations73
US5556605ASep 17, 1996
Method of seperating sulphur compounds
CHEMREC AB7 citations73
US5205908AApr 27, 1993
Purification of process gas from a partial combustion of black liquor
CHEMREC AB7 citations65
US6790246B1Sep 14, 2004
Apparatus for gasification of spent liquor
CHEMREC AB4 citations63
US5556602ASep 17, 1996
Device in a reactor for gasifying spent liquor
CHEMREC AB3 citations63
US5352333AOct 4, 1994
Process for the partial combustion of cellulose spent liquor using twin-fluid nozzle burner
CHEMREC AB2 citations62
US5405496AApr 11, 1995
Process for the preparation of cooking liquors having high sulphidity for sulphate pulp cooking
CHEMREC AB2 citations59
US7217302B1May 15, 2007
Process for cooling solid and gaseous material during gasification of spent liquor
CHEMREC AB1 citations52
US6500301B1Dec 31, 2002
Apparatus for gasification of spent liquor
CHEMREC AB1 citations52
US6780211B1Aug 24, 2004
Device for gasification of spent liquor
CHEMREC AB1 citations42