CD Skripsi

Pemanfaatan Tandan Kosong Sawit Sebagai Solid Fuel Menggunakan Proses Torefaksi

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Empty fruit bunches can be used as alternative energy source by torrefaction process. Torrefaction is a treatment process of biomass into solid fuel within temperature range of 200-300oC in an inert condition. This research aims to study the effect of process variabel interaction and to study the characteristic of solid fuel resulted. Torrefaction of empty fruit bunch was using fixed bed horizontal reactor with temperature (225-275oC), time (15-45 minutes) and particle size (2-6 cm). Responses resulted was calorific value, mass yield, energy yield and proximate (moisture content, ash content, volatile content and fixed carbon content). The result obtained for calorific value was 17091.03-20697.13 kJ/kg, mass yield was 52.63-84.52% and energy yield was 64.12-99.05%. Analysis result was processed by using Design Expert v7.0.0 Trial Version. Data processing was started by using first order model to see the curvature. Significant curvature showed that model used was second order model. Significance level between variables can be seen from pvalue < 0.05 and lack of fit > 0.05 which show that model was corresponding toward the result. R2 obtained were Y1 = 92.13%, Y2 = 89.37%, Y3 = 84.20%. The most affecting factor significantly towards all the responses was temperature of torrefaction that followed by time and particle size. In optimum condition (temperature of 275oC for 15.09 minutes with particle size of 2 cm) was obtained the optimum value of response for calorific value by 19254.11 kJ/kg, mass yield 74.91%, and energy yield 92.71%.
Keywords: biomass, empty fruit bunches, optimization, RSM, solid fuel, torrefaction.

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Judul Seri

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No. Panggil

07 02. 116 (0046)

Penerbit

Pekanbaru : Universitas Riau - Fakultas Teknik - Teknik Kimia S 1., 2016

Deskripsi Fisik

xiv, 56 hlm.: ill.; 29 cm

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07 02. 116 (0046)

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