METHOD AND GAS REFINING INSTALLATION FOR PROVIDING A GAS STREAM HAVING A WOBBE INDEX WITHIN A REQUIRED RANGE

摘要

The invention relates to a method an gas refining installation for providing a gas stream having a Wobbe index within a required range. The method and gas refining installation both make use of refining an unrefined gas stream into a refined gas stream with a Wobbe index above said required range, and bypassing or feeding an unrefined gas stream to said refined gas stream, thereby obtaining a combined gas stream having a Wobbe index within said required range. Use can be made of either a feedback loop or a feedforward loop.