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Metal exchanged zeolites for catalytic decomposition of N2O

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Title: Metal exchanged zeolites for catalytic decomposition of N2O
Authors: Labhsetwar, Nitin1 nk_labhsetwar@neeri.res.in, Dhakad, M.1, Biniwale, R.1, Mitsuhashi, T.2, Haneda, H.2, Reddy, P.S.S.3, Bakardjieva, S.4, Subrt, J.4, Kumar, Suresh1, Kumar, Vivek1, Saiprasad, P.3, Rayalu, S.1
Source: Catalysis Today. Mar2009, Vol. 141 Issue 1/2, p205-210. 6p.
Subjects: Metal catalysts, Zeolites, Chemical decomposition, Nitrous oxide, Ruthenium compounds, Cobalt compounds
Abstract: Abstract: Ru+Ag/US-Y and Ru+Co/US-Y based catalysts have been studied for their catalytic activity towards N2O decomposition, a reaction of current environmental importance. Ruthenium-cobalt based catalyst shows higher catalytic activity than the ruthenium-silver-based catalyst. Almost 90% conversion of N2O is achieved over Ru+Co/US-Y at 583K with a maximum of 0.134mmol of N2O decomposed per gram of the catalyst per unit time. These catalytic materials have been characterized for their structure, composition, morphology etc. using XRD, SEM, EDX, ICP, BET techniques. The synergistic effect of transition metals as well as chemical properties of US-Y are responsible for the excellent catalytic activity for N2O decomposition reaction. The redox capacity of Co may also be responsible for the relatively better activity of Ru+Co based catalyst as compared to that of Ru+Ag based catalyst. These catalysts are thermally stable and can be used for the direct decomposition of N2O emissions even under high concentration. [Copyright &y& Elsevier]
Copyright of Catalysis Today is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Metal exchanged zeolites for catalytic decomposition of N<subscript>2</subscript>O
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  Data: <searchLink fieldCode="AR" term="%22Labhsetwar%2C+Nitin%22">Labhsetwar, Nitin</searchLink><relatesTo>1</relatesTo><i> nk_labhsetwar@neeri.res.in</i><br /><searchLink fieldCode="AR" term="%22Dhakad%2C+M%2E%22">Dhakad, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Biniwale%2C+R%2E%22">Biniwale, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Mitsuhashi%2C+T%2E%22">Mitsuhashi, T.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Haneda%2C+H%2E%22">Haneda, H.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Reddy%2C+P%2ES%2ES%2E%22">Reddy, P.S.S.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Bakardjieva%2C+S%2E%22">Bakardjieva, S.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Subrt%2C+J%2E%22">Subrt, J.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Kumar%2C+Suresh%22">Kumar, Suresh</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kumar%2C+Vivek%22">Kumar, Vivek</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Saiprasad%2C+P%2E%22">Saiprasad, P.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Rayalu%2C+S%2E%22">Rayalu, S.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Catalysis+Today%22">Catalysis Today</searchLink>. Mar2009, Vol. 141 Issue 1/2, p205-210. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Metal+catalysts%22">Metal catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Zeolites%22">Zeolites</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+decomposition%22">Chemical decomposition</searchLink><br /><searchLink fieldCode="DE" term="%22Nitrous+oxide%22">Nitrous oxide</searchLink><br /><searchLink fieldCode="DE" term="%22Ruthenium+compounds%22">Ruthenium compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Cobalt+compounds%22">Cobalt compounds</searchLink>
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  Data: Abstract: Ru+Ag/US-Y and Ru+Co/US-Y based catalysts have been studied for their catalytic activity towards N2O decomposition, a reaction of current environmental importance. Ruthenium-cobalt based catalyst shows higher catalytic activity than the ruthenium-silver-based catalyst. Almost 90% conversion of N2O is achieved over Ru+Co/US-Y at 583K with a maximum of 0.134mmol of N2O decomposed per gram of the catalyst per unit time. These catalytic materials have been characterized for their structure, composition, morphology etc. using XRD, SEM, EDX, ICP, BET techniques. The synergistic effect of transition metals as well as chemical properties of US-Y are responsible for the excellent catalytic activity for N2O decomposition reaction. The redox capacity of Co may also be responsible for the relatively better activity of Ru+Co based catalyst as compared to that of Ru+Ag based catalyst. These catalysts are thermally stable and can be used for the direct decomposition of N2O emissions even under high concentration. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Catalysis Today is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – SubjectFull: Zeolites
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