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All Journal Hydrogen: Jurnal Kependidikan Kimia Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran
Miftahul Aini, Miftahul
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Chemistry Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Pengaruh Waktu Adsorpsi Minyak Jelantah Sebagai Bahan Pembuatan Biodiesel Dengan Tanah Liat Terhadap Kualitas Biodiesel Ahmadi, Ahmadi; Suyanti, Ika; Tikrahsari, Sri Astuti; Aini, Miftahul
Hydrogen: Jurnal Kependidikan Kimia Vol 6, No 2 (2018): Hydrogen: Jurnal Kependidikan Kimia
Publisher : IKIP Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (756.533 KB) | DOI: 10.33394/hjkk.v6i2.1606

Abstract

Population growth and industrial development cause oil fuel consumptionincreases, so availability will thinning because it cannot be renewed. So toovercome that the government issued Presidential Decree No.10 of 2006concerning Development of Vegetable Fuels. Biodiesel is one of themrenewable alternative energy sources which are processed from vegetable oilswith use alcohol and NaOH as catalysts through the transesterificationprocess. Used cooking oil is one source of vegetable oil that can used as rawmaterial for making biodiesel through the process transesterification. But theuse of used cooking oil directly without through the adsorption process willaffect the quality of the biodiesel produced. The purpose of this study is todetermine the effect of adsorption time used cooking oil for the quality ofbiodiesel produced from used cooking oil. This research aimed to know thereis or no effect of odsorption time of cooking oil using the clay towardsbiodiesel quality. Object of this research used cooking oil which is adsorptedwith varieties time of adsorption was 0 hour (Control), 12 hours, 36 hoursand 48 hours. Based on the result of research showed that adsorption timehas effect towards quality, where high adsorption time was 12 hours. Qualityof biodiesel has been suitable with SNI. The quality was dencity 0,860 gr/cm3,water degree 0,035% vol, flame coordinate 170oC and acid number 0,71 mgKOH/g oil % the result of biodiesel 55,29%.
Urgensi Pengembangan Pembelajaran Kimia Berbasis Kearifan Lokal dan Kepariwisataan untuk Menumbuhkan Literasi Sains Siswa Khery, Yusran; Rosma Indah, Dahlia; Aini, Miftahul; Asma Nufida, Baiq
Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Vol 6, No 3: November 2020
Publisher : Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jk.v6i3.2718

Abstract

This study aims to (1) describe the urgence of developing local wisdom based Chemistry learning and Lombok community tourism in the UNDIKMA Chemistry education study program and (2) describe the learning potential of growing student scientific literacy. This research was conducted in the form of a survey involving 65 students in the UNDIKMA Chemistry education study program. The data were collected using two Likert scale questionnaires. Data were analyzed using the category percentage technique. The results of the study showed that the application of local wisdom based Chemistry learning and tourism in the Lombok community in the UNDIKMA Chemistry education study program still lacked. Student responses to the idea of local wisdom based Chemistry learning and the tourism of the people of Lombok were categorized very well. Students had a high level of confidence that this learning method would increase motivation and attitudes towards learning and provided provisions that were in accordance with the needs of graduates as problem solvers and agents of change in a society that had the uniqueness of local wisdom and tourism potential.
Co-Authors A.A. Ketut Agung Cahyawan W Asma Nufida, Baiq Baiq Asma Nufida Rosma Indah, Dahlia SRI RAHAYU Suryati, S. Suyanti, Ika Tikrahsari, Sri Astuti Yusran Khery, Yusran