Development of Heterogeneous Alkali Methoxide Catalyst from Fly Ash and Limestone

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dc.citation.epage530
dc.citation.issue4
dc.citation.spage521
dc.contributor.affiliationDiponegoro University
dc.contributor.affiliationAdvanced Material Laboratory
dc.contributor.affiliationInstitut Teknologi Indonesia
dc.contributor.authorWidayat, W.
dc.contributor.authorChristwardana, Marcelinus
dc.contributor.authorSyaiful, S.
dc.contributor.authorSatriadi, Hantoro
dc.contributor.authorKhaibar, Akhmad
dc.contributor.authorAlmaki, Mukhammad Mujahid
dc.coverage.placenameЛьвів
dc.coverage.placenameLviv
dc.date.accessioned2023-12-13T10:02:48Z
dc.date.available2023-12-13T10:02:48Z
dc.date.created2010-03-16
dc.date.issued2010-03-16
dc.description.abstractЗольний пил та вапняк використано як сировину для приготування гетерогенних лужних метоксидних каталізаторів для переестерифікації пальмової олії в біодизельне паливо. Каталізатори синтезовано за допомогою мокрого і сухого методу з наступним прожарюванням за 1073–1273 K. Присутність диспергованих кристалів Ca(OCH3)2 над каркасом золи і вапняку підтверджено даними рентгенівської дифракції та скануючої електронної мікроскопії. Найкращі результати отримані в присутності каталізатора, одержаного мокрим способом і прожаренного за 1073 К (W-800). Показано, що такий каталізатор має більшу площу поверхні і більш однорідні активні ділянки, у порівнянні з іншими каталізаторами. Близько 88,6 % біодизелю одержано з промислової пальмової олії з використанням W-800 як каталізатора. Фізико-хімічні характеристики, такі як густина, кінематична в'язкість і вміст вільних жирних кислот, відповідають міжнародним стандартам для біодизеля. Каталізатор використовувався для виробництва біодизеля протягом чотирьох циклів, а вихід біодизеля підтримувався до 91,87 % від початкового значення.
dc.description.abstractThis study is aimed to use fly ash and limestone as raw materials for preparing alkali methoxide heterogeneous catalysts for transesterification of palm oil into biodiesel. The heterogeneous catalyst was synthesized from fly ash and limestone through wet and dry methods and calcined within 1073–1273 K. X-ray diffraction and scanning electron microscopy analyses indicated the well-dispersed presence of the Ca(OCH3)2 crystal over the fly ash and limestone framework, which was mixed using wet method and calcined at 1073 K (W800). Results showed that W-800 exhibited larger surface area and more uniform active sites than the other catalysts. About 88.6 % of biodiesel was produced from commercial palm oil with W-800 as the catalyst. The product possesses physicochemical characteristics, such as density, kinematic viscosity and free fatty acid content, which satisfy the international biodiesel standard. The catalyst was used for biodiesel production for four cycles, and the biodiesel yield was maintained up to 91.87 % from the initial value.
dc.format.extent521-530
dc.format.pages10
dc.identifier.citationDevelopment of Heterogeneous Alkali Methoxide Catalyst from Fly Ash and Limestone / W. Widayat, Marcelinus Christwardana, S. Syaiful, Hantoro Satriadi, Akhmad Khaibar, Mukhammad Mujahid Almaki // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2020. — Vol 14. — No 4. — P. 521–530.
dc.identifier.citationenDevelopment of Heterogeneous Alkali Methoxide Catalyst from Fly Ash and Limestone / W. Widayat, Marcelinus Christwardana, S. Syaiful, Hantoro Satriadi, Akhmad Khaibar, Mukhammad Mujahid Almaki // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2020. — Vol 14. — No 4. — P. 521–530.
dc.identifier.doidoi.org/10.23939/chcht14.04.521
dc.identifier.urihttps://ena.lpnu.ua/handle/ntb/60562
dc.language.isoen
dc.publisherВидавництво Львівської політехніки
dc.publisherLviv Politechnic Publishing House
dc.relation.ispartofChemistry & Chemical Technology, 4 (14), 2020
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dc.rights.holder© Національний університет “Львівська політехніка”, 2020
dc.rights.holder© Widayat W., Christwardana M., Syaiful S., Satriadi H., Khaibar A., Almaki M., 2020
dc.subjectбіодизель
dc.subjectзольний пил
dc.subjectвапняк
dc.subjectпереетерифікація
dc.subjectпальмова олія
dc.subjectbiodiesel
dc.subjectfly ash
dc.subjectlimestone
dc.subjecttransesteri-fication
dc.subjectpalm oil
dc.titleDevelopment of Heterogeneous Alkali Methoxide Catalyst from Fly Ash and Limestone
dc.title.alternativeОдержання гетерогенного лужного метоксидного каталізатора із зольного пилу та вапняку
dc.typeArticle

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Chemistry & Chemical Technology. – 2020. – Vol. 14, No. 4