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All Journal Jurnal Agricultural Biosystem Engineering
R. A. Bustomi Rosadi
Department of Agricultural Engineering, Faculty of Agriculture, Lampung University
Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology

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Pengaruh Campuran Limbah Tongkol Jagung, Batang Singkong dan Batu Bara dengan Perekat Tapioka terhadap Kualitas Briket Biocoal Aditia Haidar; Tamrin Tamrin; Sandi Asmara; R. A. Bustomi Rosadi
Jurnal Agricultural Biosystem Engineering Vol 1, No 2 (2022): J. Agricultural Biosystem Engineering
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (985.894 KB)

Abstract

Coal briquette is an alternative fuel or as a substitute for other fuels. Biocoal briquettes, the composition not only consists of calcium and adhesive but also added a mixture of biomass in it as a substance to reduce emissions and accelerate combustion. In making briquettes, it require adhesives to bind biomass and coal particles. The biomass use casson stone and corncob. This research purpose to determine the composition the waste mixed of corncob, cassion stone and coal with tapioca glues to be quality of biocoal briquettes. The method of this research is Completely Randomized Design Factorial. This research had two factors, the first factor (P) is comparison of composition material. The second factor (K) is composition of adhesive had three levels composition. Several experiment had repetition (U) by 3 times, with the result get 36 exprimental units. Result of research show the treatment of comparison of compostion material and adhesive is significant of density and shatter resistance value (p > 0,05). From result, treatment of P1K1 produced high density by 0,423 g/cm3. 13,89% from all of experimental units with bigger moisture content than 8% and 86,11% with under moisture content 8%. Optimal heating value produced of P4 by 5150,4 kal/g. The best of combustion rate produced of P2K1 and P4K1 by 0,43 g/minute. The base temperature of the pan base is 6 minutes start duration. Maximum temperature reach of every treatment P about 295-299 oC and minimum temperature is 256 oC and brickets of produce can keep with temperature on 180oC during 14 – 34 minutes. The treatment of P1K1 produce high shatter resistance index value by 99,75%.
Rancang Bangun dan Uji Kinerja Alat Perajang Batang Singkong Tipe TEP-1 Ridho Al Akbar Gustam; Sandi Asmara; Budianto Lanya; R. A. Bustomi Rosadi
Jurnal Agricultural Biosystem Engineering Vol 1, No 2 (2022): Juni 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jurnal abe.v1i2.5579

Abstract

Cassava stems has not been maximally utilized, its existence in the land other than just thrown away and burned.  This condition is the background of the research on the design of cassava stem chopper tool and its performance test.  Methods in this study include the design and experiments cassava stems chopper.  The chopper performance test was performed by calculating the values of the parameters including the working capacity of the tool (kg/hour), the calculation of the weight loss (%), and the calculation of fuel consumption (ℓ/hour) tested on the chopper tool while operating at RPM 560, 870 and 1245.  From the test, the working capacity are 38,67 kg/hour, 59,73 kg/hour and 78 kg/hour; the weight average 4.60%, 3.89%, and 4.09%; the fuel consumption are 0.27 ℓ/hour, 0.68 ℓ/hour and 0.81 ℓ/hour.  For the three chopper size fractions > 0.5 cm, 0,2 <x <0,5 cm, and <0,2 cm, with RPM 560 obtained 12,88%, 45,45% , and 41.47%; for RPM 870 obtained 11.95%, 38.71%, and 49.35%; then for RPM 1245 obtained the result 13.37%, 37.50%, and 49.13%.  From the data, it can be concluded that for the best performance capacity obtained at RPM 1245 with the result of working capacity obtained 78 kg / hour with fuel consumption 0,81 ℓ/hour.
Co-Authors Aditia Haidar Budianto Lanya Ridho Al Akbar Gustam Sandi Asmara Tamrin Tamrin