Gas Production

Rewarding of extra-avoided GHG emissions in thermochemical biorefineries incorporating Bio-CCS

“…If there was not a reformer in the original design, a reforming unit has to be included. There are different alternatives for the reforming of natural gas: steam methane reforming (SMR), auto-thermal reforming (ATR) and partial oxidation (POx) [61][62][63][64][65][66][67][68]. All cases except SMR require an air separation unit (ASU), which penalizes the process economy.…”

Integrated gasification combined cycle (IGCC) systems

“…The PM-free syngas is mixed with steam and sent to a WGS process, where CO is converted to CO 2 by reaction with water vapor (Hiller et al , 2006 ):…”

“…For systems using water quench, extra steam may not be needed. In a singlestage WGS process with reaction temperature between 300°C and 510°C, about 85-90% CO can be converted, depending on the concentrations of the reactants in the feed gas (Chiesa et al ., 2005a ;Hiller et al , 2006 ). To achieve higher CO conversion effi ciency, multiple-stage WGS processes can be used.…”

“…Physical solvent regeneration can be realized to a certain extent by pressure decrease. The performance of physical solvents increases as the partial pressure of the solute increases (Hiller et al , 2006 ). The CO 2 partial pressure of shifted syngas in oxygen-blown IGCC plants is estimated to be 12-20 bar (Black, 2010 ).…”

Integrated gasification combined cycle (IGCC) power plant design and technology

“…The syngas rich in H 2 and CO is sent to a WGS reactor, in which the bulk of CO is converted into CO 2 by reaction with steam (Hiller et al, 2006) CO þ H 2 O $ CO 2 þ H 2 ½3:1 The syngas rich in H 2 and CO is sent to a WGS reactor, in which the bulk of CO is converted into CO 2 by reaction with steam (Hiller et al, 2006) CO þ H 2 O $ CO 2 þ H 2 ½3:1…”