Effects of modification and calcination conditions on the adsorption performance of red mud for low-concentration formaldehyde in air

• Autorzy: Xiaolan Z. , Yanrong C. , Juntao Z. , Yifei S. , Tianle Z.
• Języki publikacji: EN

Abstrakty

EN

The effects of modification and calcination conditions on the performance of red mud (RM) to absorb low-concentration formaldehyde in air were investigated using a fixed-bed flow reactor. The results show that the adsorption of RM for formaldehyde increases upon decreasing calcination temperature, with the optimum calcination temperature of 300 °C. H 2O2 modification can improve the adsorption performance, with the optimum modification concentration at 20 wt. %. Pore structure analysis indicated that low-temperature calcination improves the formation of micropores (0.9 nm to 2.7 nm), and maximizes the specific surface area and total pore volume thereby facilitating formaldehyde adsorption.

Słowa kluczowe

EN

calcination; adsorption; formaldehyde; red mud

PL

prażenie; kalcynowanie; adsorpcja; formaldehyd; szlam czerwony; masa Bayera

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2013
• Tom: Vol. 39, nr 1
• Strony: 47--57
• Opis fizyczny: Bibliogr. 17 poz., tab., rys., wykr.

Twórcy

autor

Xiaolan Z.

• School of Chemistry and Environment, Beihang University, Beijing 100191, PR China

autor

Yanrong C.

• School of Chemistry and Environment, Beihang University, Beijing 100191, PR China

autor

Juntao Z.

• School of Chemistry and Environment, Beihang University, Beijing 100191, PR China

autor

Yifei S.

• School of Chemistry and Environment, Beihang University, Beijing 100191, PR China

autor

Tianle Z.

• School of Chemistry and Environment, Beihang University, Beijing 100191, PR China

Bibliografia

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