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- W3015962297 abstract "• A simple method for Ni-doped ZnO with oxygen vacancies was developed. • 3ZnO with 3 wt% of Ni 2+ doping got 94% depolymerization of sodium lignosulfonate. • The optimal yields of vanillic acid and guaiacol were 9.3% and 1.5%, respectively. • Suitable concentration of oxygen vacancies promotes the production of of •O 2 - . • O 2 − is useful to depolymerization of sodium lignosulfonate into valuable product. Oxygen vacancies are efficient to promote the separation of photogenerated electrons and holes, thereby enhancing the photocatalytic performance of the catalyst. In this work, Ni-doped ZnO with oxygen vacancies was successfully synthesized. 3ZnO with 3 wt% of Ni 2+ doping has an optimum photocatalytic activity. The optimal depolymerization rate of sodium lignosulfonate (SLS) was 94%, and the optimal yields of vanillic acid and guaiacol were 9.3% and 1.5%, respectively. 3ZnO can effectively depolymerize SLS to valuable products, CO 2 and H 2 O due to proper concentration of surface oxygen vacancies induced by Ni 2+ doped, which promotes the formation of •O 2 – . •O 2 – is considered to be more conducive to depolymerization of SLS to valuable products. Proper concentration of oxygen vacancies is very necessary for depolymerizing SLS into valuable products. This work will give an innovative vision for efficient depolymerizing biomass to valuable products through photocatalytic reactions." @default.
- W3015962297 created "2020-04-17" @default.
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- W3015962297 date "2020-08-01" @default.
- W3015962297 modified "2023-10-14" @default.
- W3015962297 title "Synergy of Ni dopant and oxygen vacancies in ZnO for efficient photocatalytic depolymerization of sodium lignosulfonate" @default.
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- W3015962297 doi "https://doi.org/10.1016/j.cej.2020.125050" @default.
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