title: Pretreatment of rice straw by ultrasound-assisted Fenton process.
abstract: Fenton's reagent, ultrasound, and the combination of Fenton's reagent and ultrasound were used to pretreat rice straw (RS) to increase its enzymatic digestibility for saccharification. The characterization shows that compared with ultrasound, Fenton's reagent pretreatment was more efficient in increasing the specific surface area and decreasing the degree of polymerization (DP) of RS. The enzymatic hydrolysis results showed that the RS pretreated by ultrasound-assisted Fenton's reagent (U/F-RS), which exhibited the largest specific surface area and the lowest DP value, had the highest enzymatic activity, and the amount of reducing sugar released from U/F-RS at 48h of enzymatic saccharification is about 4 times as large as that from raw RS and 1.5 times as large as that from Fenton's reagent pretreated RS. The ultrasound-assisted Fenton process provides a reliable and effective method for RS pretreatment.
authors.affiliation: Key Laboratory of Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
authors.forename: Zi-Yao
authors.initials: ZY
authors.lastname: Xiong
authors.affiliation: Key Laboratory of Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China. Electronic address: qyhsir@qq.com.
authors.forename: Yuan-Hang
authors.initials: YH
authors.lastname: Qin
authors.affiliation: Key Laboratory of Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
authors.forename: Jia-Yu
authors.initials: JY
authors.lastname: Ma
authors.affiliation: Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
authors.forename: Li
authors.initials: L
authors.lastname: Yang
authors.affiliation: Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
authors.forename: Zai-Kun
authors.initials: ZK
authors.lastname: Wu
authors.affiliation: Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
authors.forename: Tie-Lin
authors.initials: TL
authors.lastname: Wang
authors.affiliation: Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
authors.forename: Wei-Guo
authors.initials: WG
authors.lastname: Wang
authors.affiliation: Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China.
authors.forename: Cun-Wen
authors.initials: CW
authors.lastname: Wang
mesh_terms: D019220:High-Energy Shock Waves; D006861:Hydrogen Peroxide; D006868:Hydrolysis; D007501:Iron; D012275:Oryza / Q000737:chemistry*; D058105:Polymerization; D014465:Ultrasonics / Q000379:methods*
chemical_list: C045076:Fenton's reagent; D006861:Hydrogen Peroxide; D007501:Iron
keywords: Fenton reaction; Pretreatment; Rice straw; Ultrasound