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All Journal Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam International Research Journal of Business Studies (E-Journal) Rangkiang: Jurnal Pengabdian Pada Masyarakat RANGKIANG: Jurnal Pengabdian Pada Masyarakat
Rini Setiowati
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PRODUKSI BIODISEL DARI MINYAK GORENG BEKAS MENGGUNAKAN KATALIS CaO CANGKANG KERANG DARAH KALSINASI 900 °C Rini Setiowati; Nurhayati '; Amilia Linggawati
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 1, No 2 (2014): Wisuda Oktober 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Abstract

Biodiesel is one of the most potential alternative energy for diesel machine since it isrenewable and environmental friendly. Biodiesel can be produced by transesterificationreaction of vegetable oil or animal fat with alcohol and catalyst addition. In this study,biodiesel was produced by transesterification reaction of waste cooking oil andmethanol using a CaO catalyst of blood cockle shells (Anadara granosa). Blood cockleshells (Anadara granosa) can be used as heterogeneous catalysts for biodieselproduction because it contains CaCO 3 that can be decomposed into CaO.Decomposition of the blood cockle shells as heterogeneous catalyst for biodieselproduction was carried out at 900 oC for 5 hours. The yield of biodiesel optimum was81.67% with 3% weight of catalyst, 1:15 of oil and methanol mole ratio, 3 hours ofreaction time and 60±2 oC of reaction temperature.
Understanding ICT Adoption Determinants among Indonesian SMEs in Fashion Subsector Rini Setiowati; Hartoyo Hartoyo; Heny K. Daryanto; Bustanil Arifin
INTERNATIONAL RESEARCH JOURNAL OF BUSINESS STUDIES Vol 8, No 1 (2015): April-July 2015
Publisher : Universitas Prasetiya Mulya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21632/irjbs.8.1.1136

Abstract

PKM IMPLEMENTATION OF 5R IN SDIT CITRA AZ-ZAHRA Ratih Ikha Purnama Sari; Rini Setiowati; Nur Arifiya
RANGKIANG: Jurnal Pengabdian Pada Masyarakat Vol 4, No 2 (2022)
Publisher : STKIP PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/rangkiang.2022.v4i2.6521

Abstract

This PKM aims to: (1) determine the application of 5R (Clean, Concise, Neat, Careful, Diligent), (2) determine the effect of 5R implementation on the readiness of school children to receive lessons from teachers in SDIT Citra Az-Zahra's class. This PKM is carried out on an ex post facto basis. The population in the implementation of this community service is in Class V SDIT Citra Az-Zahra, totaling 30 students. Based on the results of the PKM, it is hoped that a positive relationship can be obtained on the implementation of 5R at SDIT Citra Az-Zahra.
PKM IMPLEMENTATION OF 5R IN SDIT CITRA AZ-ZAHRA Ratih Ikha Purnama Sari; Rini Setiowati; Nur Arifiya
RANGKIANG: Jurnal Pengabdian Pada Masyarakat Vol 4, No 2 (2022)
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (867.655 KB) | DOI: 10.22202/rangkiang.2022.v4i2.6521

Abstract

This PKM aims to: (1) determine the application of 5R (Clean, Concise, Neat, Careful, Diligent), (2) determine the effect of 5R implementation on the readiness of school children to receive lessons from teachers in SDIT Citra Az-Zahra's class. This PKM is carried out on an ex post facto basis. The population in the implementation of this community service is in Class V SDIT Citra Az-Zahra, totaling 30 students. Based on the results of the PKM, it is hoped that a positive relationship can be obtained on the implementation of 5R at SDIT Citra Az-Zahra.
Co-Authors Amilia Linggawati Bustanil Arifin Hartoyo Hartoyo Heny K Daryanto Nur Arifiya NURHAYATI ' Ratih Ikha Purnama Sari