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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Ilmiah Pendidikan Scholastic
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Improving indonesian writing ability and how to Write the value of money with audio visual media at Second grade students of sd negeri 28 pasar gompong Kecamatan lengayang Nurlis Nurlis
Jurnal Ilmiah Pendidikan Scholastic Vol 1 No 1 (2017): Jurnal ilmiah Pendidikan Scholastic
Publisher : Fakultas Sastra Universitas Ekasakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (111.455 KB) | DOI: 10.36057/jips.v1i1.298

Abstract

This classroom action research is motivated by several factors, including the lack of students' ability to write short stories. The problem in thisresearch is how improve the students' ability to write stories Indonesian (BI) and ways of writing money by using audio-visual media. This study aims to improve students' ability to write stories and ways of writing the value of money by using audio-visual media, writing back with their own words you've already watched the film becomes an example. This study is a quantitative and qualitative. The method used in this research is the method of observation and tests. Setting this study in SDN 28 Gompong Market District of Lengayang , which is in Class II SD Negeri 28 Market Gompong totaling 32 students . The process of execution of the actions carried out in two cycles, and each cycle consists of four stages from planning, action, observation and reflection stages. The results of quantitative research in the first cycle with the results of 69% (average grade) and 69% (the number of students who pass the study). While on the second cycle showed an increase in 84% (average grade) and 100% (the number of students who pass the study). From this study it can be concluded that by using audio-visual media can improve the ability to write short stories and ways of writing the value of money Class II SD Negeri 28 Gompong Market
Pembuatan Biodiesel Dari Minyak Biji Kapuk (Ceiba Pentandra) Dengan Katalis Lempung Teraktivasi; Pengaruh Waktu Reaksi Terhadap Yield Biodiesel Nurlis Nurlis; Syaiful Bahri; Edy Saputra
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Research on production biodiesel from kapok seed oil (ceiba pentandra) using an activated clay catalyst has been performed. It aimed to determine the effect of an activated clay catalyst on producing biodiesel, its quality and to study the effect of reaction time. Clay catalyst was activated by H2SO4 0.47%, 0.62%, 0.78% and NaOH with a concentration of 0.33%, 0.44%, 0.66%. Esterification with methanol in the ratio 1:12 with the addition of H2SO4 as much as 1% of the weight of oil. The next transesterification reaction, the kapok seed oil is reacted with methanol in the ratio of 1: 9 with the acids and bases activated clay catalyst. The reaction temperature of 60 °C, various of reaction time 1 hour, 1.5 hours and 2 hours. The results showed that the use of an activated clay catalyst H2SO4 0.78%, the reaction time of 1.5 hours to produce the highest yield 92.18%. Physical characteristics of biodiesel were obtained density 869 kg/m3, kinematic viscosity of 2.67 cSt, the acid number of 0.45 mg KOH/g sample and the flash point of 209oC. From the results was obtained biodiesel produced in compliance with the SNI 7182: 2015.Keywords: activation, biodiesel, clay, kapok seed oil, transesterification
Co-Authors Edy Saputra SYAIFUL BAHRI