Table 1.

Comparison of delignification methods and some criteria/condition.

Type of Delignification	Parameter	Used Agent or Condition	References
Biodelignification	Active agent	microbial cell (mold or bacteria) or enzymes	[22]
	Temperature/Pressure	Low/light,	[5]
	Energy used	Lower	[5]
	Cost/value of process	Cheap/safe and environmentally friendly	[37]
	Inhibitor formation	Low	[38, 39]
Chemical Delignification-	Active agent	Basic and Acid chemicals agent & hazardous waste	[1, 40]
	Temperature/Pressure	High	[3]
	Inhibitor/waste formation	High	[19]