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An Efficient Catalytic Approach for Epoxidation of Styrene over Activated Marble Powder
- Authors
- Yadagiri, Jyothi; Kannapu, Hari Prasad Reddy; Suh, Young-Woong; Puppala, Veera Somaiah; Kamaraju, Seetha Rama Rao; Burri, David Raju
- Issue Date
- Aug-2018
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- Activated marble powder; basicity; styrene; styrene epoxide; TBHP
- Citation
- CHEMISTRYSELECT, v.3, no.29, pp.8473 - 8478
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMISTRYSELECT
- Volume
- 3
- Number
- 29
- Start Page
- 8473
- End Page
- 8478
- ISSN
- 2365-6549
- Abstract
- Styrene to styrene epoxide is conducted for the first time over marble powder (MP), consisting of CaO (62.12%), MgO (26.8%), SiO2 (9.24%) and minor amount of Fe (1.94%), Na (0.70%), P (0.019%), K (0.11%) and Mn (0.13%) under aqueous t-butyl hydroperoxide as a simple and green process. Due to the calcium enriched marble, higher basicity (ca. CO2 3980 mu mol g(-1)) was observed from temperature programmed desorption (TPD) of CO2. The excellent catalytic activity with styrene conversion of 98% and styrene epoxide selectivity of 84% during the course of recyclability test for five consecutive cycles is mainly attributed to the constant basicity of the marble.
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Collections - 서울 공과대학 > 서울 화학공학과 > 1. Journal Articles
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Related Researcher
- Suh, Young Woong
- COLLEGE OF ENGINEERING (DEPARTMENT OF CHEMICAL ENGINEERING)