Characterization of Biomass Pellet Made from Solid Waste Oil Palm Industry

Munawar, Sasa Sofyan; Subiyanto, Bambang

doi:10.1016/j.proenv.2014.03.042

Cited by 39 publications

(29 citation statements)

References 4 publications

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“…The values obtained for the calorific value (14 181 kJ kg -1 for EFB and 15 830 kJ kg -1 for OPFM) are lower than those reported by Munawar and Subiyanto (2014), which presented values within the range of 15 500 to 17 550 kJ kg -1 for EFB pellets and from 15 950 to 19760 kJ kg -1 for OPFM pellets. With regard to the ash content, Lam et al (2015) report ash contents of 5.47% for EFB pellets, which are slightly lower than those obtained in this work (5.75% and 6.24%).…”

Section: Properties Of the Pelletscontrasting

confidence: 75%

Characterisation of Pellets Made From Oil Palm Residues in Costa Rica

Valaert¹,

Moya²,

Moya³

2016

JOPR

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Section: Properties Of the Pelletscontrasting

confidence: 75%

Characterisation of Pellets Made From Oil Palm Residues in Costa Rica

Valaert¹,

Moya²,

Moya³

2016

JOPR

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“…In study [39], the raw materials used to produce pellets were sawdust and rapeseed cake. The wet sawdust had the moisture content of 52-60 % and it was dried at 200-220 ºC to reach a moisture content of 10-14.4 %.…”

Section: Fig 4 Influence Of Pelletizing Pressure On Pellet Impermeamentioning

confidence: 99%

Influence of biomass moisture content on pellet properties - review

Ungureanu

Vlăduț

Voicu

et al. 2018

Engineering for Rural Development

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Seeking to become more climate-friendly and less energy-consuming, the European Union has pledged to cut its greenhouse gas emissions and milestones to achieve this are set to 20 % by 2020, 40 % by 2030, 60 % by 2040 and 80 % by 2050. Due to its abundance, biomass is gaining more and more importance both for the production of thermal energy by direct combustion or gasification of vegetal materials, for electricity and for the production of biofuels. Direct combustion of biomass generates CO 2 , but the process is neutral in terms of greenhouse gas emissions, because the same amount of CO 2 was absorbed by plants from the air during their life cycle. Ecological solid fuels such as pellets have become rapidly a viable alternative to fossil fuels, due to their high energy content, which makes them suitable for use by both small households and industrial consumers. Pellets are obtained from a variety of raw materials such as: agricultural residues, energy crops, forestry and wood residues, used exclusively or mixed and having different physical-chemical properties. This paper presents a summary of literature on the effect of the moisture content on the properties of pellets obtained from various types of biomass. Moisture content of raw material is one of the most important factors that influence negatively the properties of pellets, such as bulk density or mechanical durability during storage and transportation. Energy consumption increases during pelletizing of high moisture biomass, as moisture is a lubricant that lowers friction in the die. Other studies found a positive correlation between pellets durability and optimal moisture (10 %), because water together with the die temperature, pressure and chemical composition of raw material acts like a binding agent that increases pellet quality. Pellets with 5 % moisture have low strength, become brittle, and large amounts of dust are produced during their storage and transportation. Moisture higher than 15 % damages pellets during storage.

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“…Berat jenis itu sendiri dipengaruhi oleh ukuran partikel dari bahan, dimana semakin kasar atau semakin besar ukuran partikel biopelet maka semakin kecil berat jenisnya, sehingga semakin kecil pula kerapatan yang dihasilkan. Pernyataan serupa juga dikemukakan oleh Munawar et al (2014), beberapa faktor yang mempengaruhi kerapatan biopelet adalah partikel dan ukuran pelet, dimana ukuran partikel yang lebih kasar dan memiliki berat jenis lebih kecil menghasilkan kerapatan yang lebih kecil.…”

Section: Kerapatanunclassified

Studi Pengaruh Ukuran Partikel dan Penambahan Perekat Tapioka terhadap Karakteristik Biopelet dari Kulit Coklat (Theobroma Cacao L.) Sebagai Bahan Bakar Alternatif Terbarukan

Damayanti

Lusiana²,

Prasetyo³

2017

Teknotan

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ABSTRAKLimbah kulit kakao dalam jumlah banyak (75% dari dari bahan baku pengolahan coklat) menjadi permasalahan tersendiri pada industri pengolahan coklat. Pemanfaatan kulit kakao berpotensi sebagai bahan bakar alternatif terbarukan karena ketersediaanya yang cukup melimpah dan pemanfaatannya yang belum maksimal. Pemanfaatan kulit kakao sebagai biopelet menjadi salah satu solusi pengolahan kulit kakao yang tepat untuk menghindari masalah baru bagi lingkungan yaitu pembusukan karena adanya penguraian karbon oleh mikroorganisme. Karakteristik kulit kakao yang mengandung lignin sebesar 12-19% menjadikan kulit kakao sangat potensial digunakan sebagai biopelet. Tujuan dari penelitian ini adalah mengetahui pengaruh ukuran partikel dan penambahan tapioka pada pembuatan biopelet kulit kakao, menentukan perlakuan optimal serta melakukan uji karakteristik fisik dan kimia biopelet kulit kakao. Metode eksperimen dengan pengolahan data secara deskriptif kuantitatif dengan membandingkan hasil uji karakteristik biopelet dari variasi ukuran mesh dan variasi kadar perekat (tepung tapioka) untuk mencari kualitas biopelet yang optimal. Perlakuan optimal terjadi pada ukuran partikel biopelet 20 mesh dengan penambahan perekat tapioka 20% dengan kadar air 3,52%, kadar abu 6,99%, dan kerapatan 0,87 g/cm 3 dan nilai kalor 3090,1 kal/g. Pengembangan penelitian dapat diarahkan kepada penambahan campuran bahan baku yang mempunyai nilai kalor tinggi sehingga dapat meningkatkan nilai kalor biopelet yang dihasilkan.Kata kunci : biopelet, kakao, kadar air, kadar abu, nilai kalor ABSTRACT Waste of cocoa shellsare becoming a problem in cocoa processing industry in large quantities (75% of raw material). Cocoa shells are potential as a renewable alternative fuel because of its availability and not exploited yet. The utilization of cocoa shells as biopelet is one of method to convert a cocoa shell as

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Characterization of Biomass Pellet Made from Solid Waste Oil Palm Industry

Cited by 39 publications

References 4 publications

Characterisation of Pellets Made From Oil Palm Residues in Costa Rica

Characterisation of Pellets Made From Oil Palm Residues in Costa Rica

Influence of biomass moisture content on pellet properties - review

Studi Pengaruh Ukuran Partikel dan Penambahan Perekat Tapioka terhadap Karakteristik Biopelet dari Kulit Coklat (Theobroma Cacao L.) Sebagai Bahan Bakar Alternatif Terbarukan

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