
Microwave-assisted organosolv extraction of coconut shell lignin by Brønsted and Lewis acids catalysts
Keywords: Agrowaste; Biopolymer; Microwave; Organosolv; Structural elucidation; GDP; gross domestic product; CS; coconut shell; CSP; coconut shell powder; H; p-hydroxyphenyl; PB; p-hydroxybenzoate; G; guaiacyl; S; syringyl; MWAE; microwave-assisted extraction; MWI;