SYNTHESIS OF A SILICA AEROGEL BASED ON TMOS AND FEASIBILITY STUDY OF ITS CAPABILITY FOR SEPARATION OF MOLYBDENUM FROM WASTEWATERS IN COMPARISON WITH ACTIVATED CARBON

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SADEGHI S.; RABBANI M.; KHOSRAVI M.; AHARI HASHEMI F.; BAYAT I.

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Journal: JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY Year:2008 | Volume:- | Issue:4 (42) Page(s): 14-18

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Title

SYNTHESIS OF A SILICA AEROGEL BASED ON TMOS AND FEASIBILITY STUDY OF ITS CAPABILITY FOR SEPARATION OF MOLYBDENUM FROM WASTEWATERS IN COMPARISON WITH ACTIVATED CARBON

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Keywords

ADSORPTIONQ3

MOLYBDENUMQ3

SILICA AEROGELQ3

ACTIVATED CARBONQ3

HYDROPHOBICQ3

PRECURSORQ3

Abstract

In this research, ADSORPTION of MOLYBDENUM has been investigated by a new SILICA AEROGEL. This HYDROPHOBIC SILICA AEROGEL synthesized on the basis of TMOS (tetra methyl ortho silicate) PRECURSOR and in the presence of two co-precursors, tri fluoro propyl-tri methoxy silane and di-ethyl tri-methyl silyl phosphite. As the obtained results show, this aerogel is highly capable to uptake Mo in an optimum concentration of metal solution of about 10ppm, the optimum pH about 4, contact time, about 5 hours and the adsorbent dose about 3gr for 50ml of metal solution. The kinetics approaches show that the rate of this ADSORPTION follows a first order reaction and the rate constant (Kad) is equal to 0.1248 (h-1). The thermodynamic approaches have also been studied, and thereby the feasibility and the spontaneous nature of. Mo ions ADSORPTION on aerogel have been demonstrated. A comparison between obtained results from SILICA AEROGEL and the ACTIVATED CARBON shows the more capability of the synthesized SILICA AEROGEL.

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APA: Copy

SADEGHI, S., RABBANI, M., KHOSRAVI, M., AHARI HASHEMI, F., & BAYAT, I.. (2008). SYNTHESIS OF A SILICA AEROGEL BASED ON TMOS AND FEASIBILITY STUDY OF ITS CAPABILITY FOR SEPARATION OF MOLYBDENUM FROM WASTEWATERS IN COMPARISON WITH ACTIVATED CARBON. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, -(4 (42)), 14-18. SID. https://sid.ir/paper/97618/en

Vancouver: Copy

SADEGHI S., RABBANI M., KHOSRAVI M., AHARI HASHEMI F., BAYAT I.. SYNTHESIS OF A SILICA AEROGEL BASED ON TMOS AND FEASIBILITY STUDY OF ITS CAPABILITY FOR SEPARATION OF MOLYBDENUM FROM WASTEWATERS IN COMPARISON WITH ACTIVATED CARBON. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY[Internet]. 2008;-(4 (42)):14-18. Available from: https://sid.ir/paper/97618/en

IEEE: Copy

S. SADEGHI, M. RABBANI, M. KHOSRAVI, F. AHARI HASHEMI, and I. BAYAT, “SYNTHESIS OF A SILICA AEROGEL BASED ON TMOS AND FEASIBILITY STUDY OF ITS CAPABILITY FOR SEPARATION OF MOLYBDENUM FROM WASTEWATERS IN COMPARISON WITH ACTIVATED CARBON,” JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, vol. -, no. 4 (42), pp. 14–18, 2008, [Online]. Available: https://sid.ir/paper/97618/en

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