Words to Describe gasification

How gasification often is described ("________ gasification")

• nuclear
• thermochemical
• situ
• secondary
• coal
• catalytic
• successful
• solid
• high
• sudden
• partial
• forward
• clean
• temperature
• bed
• pressure
• integrated
• exothermic
• supercritical
• advanced
• wood
• mild
• introduction
• conventional
• total
• rapid
• commercial
• subterranean
• pyrolytic
• underground
• droplet
• biological
• low
• catalyzed
• endothermic
• fixed
• scale
• direct
• dry
• atmospheric
• solar
• indirect
• pressurized
• stage
• controlled
• entrained
• char
• hydro
• downdraft
• continuous
• pressurised
• selective
• fluidized
• complete
• wet
• efficient
• incomplete
• satisfactory
• blown
• subsequent
• thermal
• oxygen
• preliminary
• residue