We herein disclosed an efficient multiphase Fenton-like catalytic system for oxidative degradation of chitosan. By utilizing Fe-MCM-41, featured with regular mesoporous structure and high specific surface area, the activation efficiency of H2O2 was significantly enhanced and the chitosan degradation efficiency proved by 28.1% higher than the conventional system using H2O2 alone. Under optimized conditions (5 g/L chitosan, 0.5 g/L Fe-MCM-41, 0.16 mol/L CH3COOH, 0.86 mol/L H2O2, 50 degrees C, 140 min), the viscosity reduction rate of chitosan reached an impressive 98.2%. Among the catalysts tested, Fe-MCM-41 with a loading factor of x = 0.12 demonstrated optimal degradation performance. After four recycles, the degradation efficiency maintained > 93.6%, demonstrating its excellent stability and recyclability for potential industrial applications. Kinetic studies provided further elucidation of the reaction mechanism, which indicated that the degradation process of chitosan followed a first-order kinetic model, with an apparent activation energy (E-a) of 48.91 kJ/mol. This novel and efficient strategy for chitosan degradation, addressed the challenges of catalyst recovery and secondary pollution typically associated with traditional Fenton systems, and posed broad application potential for polysaccharide material processing.
机构:
Chongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R China
Benchamas, Gunsriwiang
;
Huang, Gangliang
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机构:
Chongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R China
Huang, Gangliang
;
Huang, Shiyu
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机构:
Chongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R China
Huang, Shiyu
;
Huang, Hualiang
论文数: 0引用数: 0
h-index: 0
机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Novel Reactor & Green Chem Technol Hubei, Key Lab Green Chem Proc,Minist Educ, Wuhan 430074, Peoples R ChinaChongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R China
机构:
Univ Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
Biomed Res Ctr Network CIBER, Av Monforte de Lemos 3-5, Madrid 28029, Spain
Hosp 12 Octubre, Imas12 Res Inst, Av Cordoba S-N, Madrid 28041, SpainUniv Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
Castillo, Rafael R.
;
de la Torre, Lorena
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h-index: 0
机构:
Univ Complutense Madrid, Fac Chem, Dept Chem & Mat Engn, Madrid 28040, SpainUniv Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
de la Torre, Lorena
;
Garcia-Ochoa, Felix
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h-index: 0
机构:
Univ Complutense Madrid, Fac Chem, Dept Chem & Mat Engn, Madrid 28040, SpainUniv Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
Garcia-Ochoa, Felix
;
Ladero, Miguel
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h-index: 0
机构:
Univ Complutense Madrid, Fac Chem, Dept Chem & Mat Engn, Madrid 28040, SpainUniv Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
Ladero, Miguel
;
Vallet-Regi, Maria
论文数: 0引用数: 0
h-index: 0
机构:
Univ Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
Biomed Res Ctr Network CIBER, Av Monforte de Lemos 3-5, Madrid 28029, Spain
Hosp 12 Octubre, Imas12 Res Inst, Av Cordoba S-N, Madrid 28041, SpainUniv Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
Chen, Yifan
;
Huang, Weixuan
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机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
Huang, Weixuan
;
Chen, Yang
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h-index: 0
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
Chen, Yang
;
Wu, Minqian
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h-index: 0
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
Wu, Minqian
;
Jia, Ruohan
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h-index: 0
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
Jia, Ruohan
;
You, Lijun
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h-index: 0
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
机构:
Chongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R China
Benchamas, Gunsriwiang
;
Huang, Gangliang
论文数: 0引用数: 0
h-index: 0
机构:
Chongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R China
Huang, Gangliang
;
Huang, Shiyu
论文数: 0引用数: 0
h-index: 0
机构:
Chongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R China
Huang, Shiyu
;
Huang, Hualiang
论文数: 0引用数: 0
h-index: 0
机构:
Wuhan Inst Technol, Sch Chem & Environm Engn, Key Lab Novel Reactor & Green Chem Technol Hubei, Key Lab Green Chem Proc,Minist Educ, Wuhan 430074, Peoples R ChinaChongqing Normal Univ, Act Carbohydrate Res Inst, Chongqing Key Lab Green Synth & Applicat, Chongqing 401331, Peoples R China
机构:
Univ Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
Biomed Res Ctr Network CIBER, Av Monforte de Lemos 3-5, Madrid 28029, Spain
Hosp 12 Octubre, Imas12 Res Inst, Av Cordoba S-N, Madrid 28041, SpainUniv Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
Castillo, Rafael R.
;
de la Torre, Lorena
论文数: 0引用数: 0
h-index: 0
机构:
Univ Complutense Madrid, Fac Chem, Dept Chem & Mat Engn, Madrid 28040, SpainUniv Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
de la Torre, Lorena
;
Garcia-Ochoa, Felix
论文数: 0引用数: 0
h-index: 0
机构:
Univ Complutense Madrid, Fac Chem, Dept Chem & Mat Engn, Madrid 28040, SpainUniv Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
Garcia-Ochoa, Felix
;
Ladero, Miguel
论文数: 0引用数: 0
h-index: 0
机构:
Univ Complutense Madrid, Fac Chem, Dept Chem & Mat Engn, Madrid 28040, SpainUniv Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
Ladero, Miguel
;
Vallet-Regi, Maria
论文数: 0引用数: 0
h-index: 0
机构:
Univ Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
Biomed Res Ctr Network CIBER, Av Monforte de Lemos 3-5, Madrid 28029, Spain
Hosp 12 Octubre, Imas12 Res Inst, Av Cordoba S-N, Madrid 28041, SpainUniv Complutense Madrid, Fac Pharm, Dept Chem Pharmaceut Sci, Madrid 28040, Spain
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
Chen, Yifan
;
Huang, Weixuan
论文数: 0引用数: 0
h-index: 0
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
Huang, Weixuan
;
Chen, Yang
论文数: 0引用数: 0
h-index: 0
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
Chen, Yang
;
Wu, Minqian
论文数: 0引用数: 0
h-index: 0
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
Wu, Minqian
;
Jia, Ruohan
论文数: 0引用数: 0
h-index: 0
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
Jia, Ruohan
;
You, Lijun
论文数: 0引用数: 0
h-index: 0
机构:
South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China