Waste shells of mollusk and egg as biodiesel production catalysts

Viriya‐empikul, Nawin; Krasae, Pawnprapa; Puttasawat, Buppa; Yoosuk, Boonyawan; Chollacoop, Nuwong; Faungnawakij, Kajornsak

doi:10.1016/j.biortech.2009.12.079

Cited by 368 publications

(184 citation statements)

References 13 publications

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“…To make reaction more economic and sustainable, the use of natural calcium oxide from waste products such as shell of mollusk has been of recent interest [8]. Several shell mollusk has been evaluated as heterogeneous base catalysts for transesterification [9]. Our preliminary study also reveals the efficiency of Achatina fulica as catalyst for biodiesel production due to calcium oxide properties [10].…”

Section: Introductionmentioning

confidence: 80%

Transesterification of Tropical Edible Oils to Biodiesel Using Catalyst From Scylla serrata

Mohadi

Harahap²,

Hidayati³

et al. 2016

sje

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Scylla serata shell was decomposed at various temperatures ranging from 700-1100 o C to obtain calcium oxide. Calcium oxide from decomposed Scylla serrata shell was characterized through X-Ray analysis, FTIR spectroscopy, and morphology analysis. Furthermore, decomposed Scylla serrata shell was used as catalyst for transesterification of tropical edible oils to form biodiesel. Biodiesel was characterized through density, viscosity, fatty acid value, and iodine number. The results showed that decomposed Scylla serrata shell at 900 o C could produce calcium oxide similar with standard, which was indicated from X-ray powder diffraction pattern of decomposed shell with JCPDS data. FTIR spectrum showed that main vibration of calcium oxide was observed at 393 cm -1 . Morphology analysis using SEM indicated that uniform calcium oxide was obtained after decomposition. The use of decomposed shell as base catalyst for transesterification of tropical edible oils resulted biodiesel with density, viscosity, fatty acid value, and iodine number appropriated with SNI standard. Keywords: transesterification, edible oils, biodiesel, Scylla serrataAbstrak (Indonesian): Scyalla serrata telah didekomposisi pada berbagai suhu dari 700-1100 o C untuk diperoleh kalsium oksida. Kalsium oksida hasil dekomposisi dari cangkang Scylla serrata dikarakterisasi melalui pengukuran sinar X, analisis FTIR, dan analisis morfologi. Lebih lanjut, dekomposisi cangkang Scylla serrata digunakan sebagai katalis transesterifikasi minyak yang dimakan dari daerah tropis menjadi biodisel. Biodiesel dikarakterisasi melalui penentuan densitas, viskositas, nilai asam lemak, dan bilangan iod. Hasil penelitian menunjukkan bahwa dekomposisi cangkang Scylla serrata pada 900 o C dapat menghasilkan kalsium oksida mirip kalsium oksida standar yang diindikasikan dari pola difraksi XRD yang mirip data JCPDS. Spektrum FTIR menunjukkan vibrasi utama kalsium oksida teramati pada bilangan gelombang 393 cm -1 . Analisis morfologi menggunakan SEM menunjukkan bahwa bentuk yang lebih seragam diperoleh setelah proses dekomposisi. Penggunaan cangkang hasil dekomposisi sebagai katalis basa untuk transesterifikasi minyak yang dimakan dari daerah tropis menghasilkan biodisel dengan densitas, viskositas, nilai asam lemak, dan bilangan iod yang sesuai dengan standar SNI. Kata kunci: transesterifikasi, minyak yang dimakan dari daerah tropis, biodiesel, Scylla serrata

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Section: Introductionmentioning

confidence: 80%

Transesterification of Tropical Edible Oils to Biodiesel Using Catalyst From Scylla serrata

Mohadi

Harahap²,

Hidayati³

et al. 2016

sje

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“…Based on the several works mentioned above, CaCO 3 in the mollusk shells presented almost the same calcination temperature, i.e. ≥700 °C [1][2][3][4][5][6][7][8] However, the study conducted by Yang et al [14] has brought us to a conclusion that the calcination process occurred at a low temperature. They worked at temperature intervals of 250-450 °C.…”

Section: Introductionmentioning

confidence: 98%

“…Only a few studies on the utilization of of marine mollusk shells as a catalyst, adsorbent or desulfurizer can be found [1][2][3][4][5][6][7][8]. All the studies used the calcined mollusk shell with a treatment temperature higher than 600 °C and most of them used it as a catalyst in biodiesel production.…”

Section: Introductionmentioning

confidence: 99%

Use of Green Mussel Shell as a Desulfurizer in the Blending of Low Rank Coal-Biomass Briquette Combustion

Mahidin¹,

Gani²,

Hani³

et al. 2016

MST

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Calcium oxide-based material is available abundantly and naturally. A potential resource of that material comes from marine mollusk shell such as clams, scallops, mussels, oysters, winkles and nerites. The CaO-based material has exhibited a good performance as the desulfurizer or adsorbent in coal combustion in order to reduce SO 2 emission. In this study, pulverized green mussel shell, without calcination, was utilized as the desulfurizer in the briquette produced from a mixture of low rank coal and palm kernel shell (PKS), also known as bio-briquette. The ratio of coal to PKS in the briquette was 90:10 (wt/wt). The influence of green mussel shell contents and combustion temperature were examined to prove the possible use of that material as a desulfurizer. The ratio of Ca to S (Ca = calcium content in desulfurizer; S = sulfur content in briquette) were fixed at 1:1, 1.25:1, 1.5:1, 1.75:1, and 2:1 (mole/mole). The burning (or desulfurization) temperature range was 300-500 °C; the reaction time was 720 seconds and the air flow rate was 1.2 L/min. The results showed that green mussel shell can be introduced as a desulfurizer in coal briquette or bio-briquette combustions. The desulfurization process using that desulfurizer exhibited the first order reaction and the highest average efficiency of 84.5%. AbstrakPemanfaatan Cangkang Kerang Hijau sebagai Desulfurizer dalam Pembakaran Briket Campuran Batubara Peringkat Rendah-Biomassa. Bahan alam berbasis kalsium oksida (CaO) tersedia secara melimpah. Salah satu sumberdaya yang potensial dari bahan alam tersebut berasal dari cangkang moluska laut antara lain kerang, simping (kerang kampak), remis, tiram, keong dan siput (siput terompet). Bahan berbasis CaO tersebut memperlihatkan unjuk kerja yang baik sebagai desulfurizer atau adsorben dalam pembakaran batubara untuk mereduksi emisi SO2. Dalam kajian ini, serbuk cangkang kerang hijau, tanpa kalsinasi, digunakan sebagai desulfurizer dalam produksi briket dari campuran batubara peringkat rendah dan cangkang kelapa sawit (CKS), yang juga dikenal dengan bio-briket. Rasio batubara terhadap CKS dalam briket adalah 90:10 (dalam berat). Pengaruh kandungan cangkang kerang hijau dan temperatur pembakaran dikaji dalam rangka untuk membuktikan kemungkinan pemanfaatan bahan tersebut sebagai desulfurizer. Perbandingan Ca terhadap S (Ca = kandungan kalsium dalam desulfurizer; S = kandungan sulfur dalam briket) ditetapkan sebesar 1:1, 1.25:1, 1.5:1, 1.75:1, dan 2:1 (dalam mol). Temperatur pembakaran (atau desulfurisasi) berkisar antara 300-500 °C; waktu reaksi adalah 720 detik dan laju alir udara ditetapkan pada 1,2 L/menit. Hasil penelitian menunjukkan bahwa cangkang kerang hijau dapat ditambahkan dalam pembakaran briket batubara atau biobriket sebagai desulfurizer. Proses desulfurisasi menggunakan desulfurizer tersebut memperlihatkan reaksi order pertama dan efisiensi penyerapan SO2 rata-rata tertinggi adalah 84,5%.

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“…The research to obtain CaO with low cost from renewable feedstock is intriguing topic until this time. The potential candidate for this aim is shell from several mollusk and eggshell [12] Yang et al [13] used shrimp shell enriched by potassium fluoride for biodiesel production with high catalytic activity. Shrimp shell was carbonized and potassium fluoride was added by impregnation method.…”

Section: Introductionmentioning

confidence: 99%

PREPARATION OF CALCIUM OXIDE FROM <i>Achatina fulica</i> AS CATALYST FOR PRODUCTION OF BIODIESEL FROM WASTE COOKING OIL

et al. 2013

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Waste shells of mollusk and egg as biodiesel production catalysts

Cited by 368 publications

References 13 publications

Transesterification of Tropical Edible Oils to Biodiesel Using Catalyst From Scylla serrata

Transesterification of Tropical Edible Oils to Biodiesel Using Catalyst From Scylla serrata

Use of Green Mussel Shell as a Desulfurizer in the Blending of Low Rank Coal-Biomass Briquette Combustion

PREPARATION OF CALCIUM OXIDE FROM <i>Achatina fulica</i> AS CATALYST FOR PRODUCTION OF BIODIESEL FROM WASTE COOKING OIL

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