2 The activation of new starting materials
21 2、The activation of new starting materials
The synthesis of catechol邻苯二酚 Traditionally 1)O280-130℃ CH3 CHCH2H3PO 2)SO260100 CH6CHS CH(CH3)- CHSCHSOH+ CH3 COCH3 70%,O2, EDTAFe2+orc2+ OH 70-800C Benzene is harmful, continue Too many steps, By-products(ketene hydroquinone) SO is not safe chemicals
22 The synthesis of catechol (邻苯二酚) Traditionally: C6H6 CH3 CH CH2H3 PO4 CH6 CH5 CH(CH3 ) 2 1) O2 /80-130 OC 2) SO2 /60-100 OC CH6 CH5OH + CH3 COCH3 70-80OC 70%H2O2 ,EDTAFe 2+orc 2+ OH OH OH OH + Benzene is harmful， Too many steps， By-products (ketene hydroquinone)， SO2 is not safe chemicals
Draths frost glucose as starting marial OH OH O E. Coli HO OH OH OH Avoid the usage of toxic and harmful chemicals and sharply decrease the yield of by-products
23 Draths & Frost glucose as starting martial Avoid the usage of toxic and harmful chemicals and sharply decrease the yield of by-products. O OH OH OH OH HO E. Coli OH OH
Conversion of Biomass New Catalysts Small molecules Bamboos Such as: CH COOH CHOH etc
24 Conversion of Biomass Bamboos Small Molecules Such as: CH3COOH, CH3OH etc. New Catalysts
3. Catalysis and process Promotion 25
25 3. Catalysis and Process Promotion