Výsledky vyhledávání - "Robison P. Scherer"

Akademický článek

Estudo da adsorção de compostos sulfurados empregando zeólitas contendo zinco Study of adsorption of sulphur compounds employing zeolites containing zinc

Autor: Álvaro L. Malvesti, Marcelo L. Mignoni, Robison P. Scherer, Fábio G. Penha, Sibele B. C. Pergher

Publikováno v: Química Nova, Vol 32, Iss 6, Pp 1491-1494 (2009)

This paper deals with an adosrption of sulphur compounds employing zeolites containing zinc. The zeolites employed were commercial NaY and Beta. The zinc was incorporated in three levels: 0.5; 1.0 and 5%. The sulphur compounds studied were benzothiop

Externí odkaz: https://doaj.org/article/410c83f0ba5141d49c4fe450e7c41617

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Akademický článek

Estudo de adsorção de compostos sulfurados utilizando um diesel comercial dopado com benzotiofeno e dibenzotiofeno Study of adsorption of sulphur compounds employing a comercial diesel dopped with benzothiophene and dibenzothiophene

Autor: Robison P. Scherer, Álvaro L. Malvesti, Sibele B. C. Pergher, Wladmir Ferraz de Souza

Publikováno v: Química Nova, Vol 32, Iss 1, Pp 34-37 (2009)

Desulphurization process by adsorption was studied employing a commercial diesel dooped with 1000 mg/L of benzothiophene and dibenzothiophene. The adsorbents materials employed were three types of activated alumina (acid, basic and neutral). For comp

Externí odkaz: https://doaj.org/article/97a9472745a94eb8af1d1982ac38bb90

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Comparison of macauba and soybean oils as substrates for the enzymatic biodiesel production in ultrasound-assisted system

Autor: Simone Michelin, Débora de Oliveira, J. Vladimir Oliveira, Alexsandra Valério, Marco Di Luccio, Robison P. Scherer, C. M. T. Santin

Publikováno v: Ultrasonics Sonochemistry. 35:525-528

The objective of this study is to evaluate the batch enzymatic production of biodiesel in solvent-free system under ultrasound using as substrates ethanol, soybean oil and macauba fruit oil. For this purpose, a Plackett & Burman experimental design w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c2398e43a898bda41774f3c645e640b
https://doi.org/10.1016/j.ultsonch.2016.10.024

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Kinetics of ultrasound-assisted enzymatic biodiesel production from Macauba coconut oil

Autor: J. Vladimir Oliveira, Melania M. Sychoski, Débora de Oliveira, Simone Michelin, Alexsandra Valério, Helen Treichel, Robison P. Scherer, Frederico Marques Penha, M. Di Luccio

Publikováno v: Renewable Energy. 76:388-393

This work reports the production of fatty acid ethyl esters (FAEE) by means of Macauba ( Acrocomia aculeata ) coconut oil (MCO) solvent-free enzymatic transesterification reactions using a commercial immobilized lipase (Novozym 435) under the influen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0f26441bd1bd50f6a506a31dd3ea9a9
https://doi.org/10.1016/j.renene.2014.11.067

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Batch esterification of fatty acids charges under ultrasound irradiation using candida antarctica B immobilized in polyurethane foam

Autor: Robison P. Scherer, Débora de Oliveira, Rogério Marcos Dallago, C. M. T. Santin, Clarissa Dalla Rosa, J. Vladimir Oliveira, Nádia Ligianara Dewes Nyari

Publikováno v: Biocatalysis and Agricultural Biotechnology. 3:90-94

The main objective of this short communication is to show the technical feasibility of biodiesel production using a low-cost polyurethane support for C. antarctica B (CAL-B) immobilization. For this purpose, batch experiments were performed under ult

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::27f416bfaa5ab10591fe7b5f5990d640
https://doi.org/10.1016/j.bcab.2014.02.005

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Continuous lipase-catalyzed esterification of soybean fatty acids under ultrasound irradiation

Autor: Robison P. Scherer, Helen Treichel, Claudia M. Trentin, Débora de Oliveira, C. Dalla Rosa, J. Vladimir Oliveira

Publikováno v: Bioprocess and Biosystems Engineering. 37:841-847

This work investigates the continuous production of alkyl esters from soybean fatty acid (FA) charges using immobilized Novozym 435 as catalyst. The experiments were performed in a packed-bed bioreactor evaluating the effects of FA charge to alcohol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d396c33e421fab57b8436e6571733ebf
https://doi.org/10.1007/s00449-013-1052-x

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Natural montmorillonite as support for the immobilization of inulinase from Kluyveromyces marxianus NRRL Y-7571

Autor: Marceli Fernandes Silva, J. Vladimir Oliveira, Robison P. Scherer, Chaline C. Coghetto, Sibele B. C. Pergher, Helen Treichel, Débora de Oliveira, Simone Maria Golunski

Publikováno v: Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN

The objective of this study was to investigate the process of immobilization of inulinases using natural montmorillonite as inorganic support. The enzyme to buffer ratio of 3:10 and 10 min of immobilization led to the highest specific activity, 375.0

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::048d248129adc3a8e5795805d79661ef
https://doi.org/10.1016/j.bcab.2012.06.005

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Screening of supports for immobilization of commercial porcine pancreatic lipase

Autor: Vladimir de Oliveira, Robison P. Scherer, Sibele B. C. Pergher, Débora de Oliveira

Publikováno v: Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN

The aim of this work is to report the performance of different supports for the immobilization of commercial porcine pancreatic lipase. The immobilization tests were carried out in several types of Accurel, activated alumina, kaolin, montmorillonite,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::defdb2f7f82802a35984020787a9b656
https://doi.org/10.1590/s1516-14392011005000079

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Immobilization of porcine pancreatic lipase in zeolite MCM 22 with different Si/Al ratios

Autor: Robison P. Scherer, Cléber Calgaroto, Selma Calgaroto, J. Vladimir Oliveira, Sibele B. C. Pergher, Débora de Oliveira

Publikováno v: Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN

The use of zeolites as support for immobilization of enzymes has been a matter of great interest recently due to the potential properties of these materials. In this work, the MCM 22 zeolite with different Si/Al ratios (15, 25 and 50) was used as sup

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c29be83d318c92f713a16d199bbc60f3
https://doi.org/10.1016/j.apcata.2010.12.032

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Estudo da adsorção de compostos sulfurados empregando zeólitas contendo zinco

Autor: Robison P. Scherer, Sibele B. C. Pergher, Marcelo Luis Mignoni, Fábio Garcia Penha, Álvaro L. Malvesti

Publikováno v: Química Nova v.32 n.6 2009
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 32, Issue: 6, Pages: 1491-1494, Published: 2009

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da57ce4b498b16a94f979dc7c931775d
https://doi.org/10.1590/s0100-40422009000600024

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