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Advantages Remarks Disadvantages/ limitations cost, high softwood, decrystallization, raw for efficient not lignin content lignin high depolymerization, material, and efficiency high issues environmental for selectivity lignin, with reaction area surface increased absence cellulose, of inhibition of for
action/ and (80°C 150° for psi) period followed soluble hot of use moderate
of 200 400 short min) instantaneous release of and hemicellulose to
Mechanism effects temperature pressure C; very a (5 30 by pressure Removal lignin hydrolysis, water
(Continued) method
5.2 Pretreatment
Table LHW
