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All Journal International Journal of Renewable Energy Development Jurnal Pengabdian Masyarakat dan Inovasi Teknologi
Martinus Edy Sianto
Department of Industrial Engineering, Faculty of Engineering Widya Mandala Catholic University Surabaya, Kalijudan 37, Surabaya 60114
Chemistry Computer Science & IT Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Biodiesel Production From the Microalgae Nannochloropsis by Microwave Using CaO and MgO Catalysts Hindarso, Herman; Aylianawati, Aylianawati; Edy Sianto, Martinus
International Journal of Renewable Energy Development Vol 4, No 1 (2015): February 2015
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.4.1.72-76

Abstract

The needs of world petroleum are increased; in contrast, the fuel productions are getting decreased. Therefore, it has lead to the search for bio-fuel as an alternative energy. There are several different types of biofuel, such as biodiesel, ethanol, bioalcohol, and biogas. Biodiesel is typically made by chemically reacting lipids from a vegetable oil or animal fat with an alcohol producing fatty acid esters, such as methyl or ethyl ester. The present study aimed to study the effect of temperature (50, 60 and 65°C), reaction time (1 to 5 minutes) dan types of catalyst (CaO dan MgO of 1 and 3 %) in the production of biodiesel from microalgae by the transesterification process using microwave methods. It also studied the characteristics of biodiesel which had the greatest yield in the present study, i.e. flash point, cetane number, density, viscosity, and FAME. The greatest yield was 99.35% and obtained with combination of 3% MgO catalyst quantity at temperature of 60°C, in 3 minutes reaction time. At this process conditions, the biodiesel has a flash point of 122°C, cetane number of 55, density of  0.89, viscosity of 5 cP and FAME of 75.12 %.
Pelatihan Identifikasi dan Analisis Pemborosan (Waste) sebagai Implementasi Lean Management di Sekolah Sari Dewi, Dian Retno; Gunawan, Ivan; Trihastuti, Dian; Herwinarso, Herwinarso; Edy Sianto, Martinus; Mulyana, Ig. Jaka
Pengabdian Masyarakat dan Inovasi Teknologi (DIMASTEK) Vol 2 No 02 (2023): Oktober 2023
Publisher : Fakultas Teknik-Universitas Wijaya Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38156/dimastek.v2i02.50

Abstract

Lean management merupakan sebuah konsep perbaikan manajemen yang telah terbukti berdampak positif dalam peningkatan kinerja di berbagai sektor industri. Pada satu dasawarsa terakhir banyak kajian terkait penerapan lean management di sektor pendidikan. Lean management dinilai sangat cocok untuk diterapkan di sektor pendidikan agar manajemen pendidikan semakin lincah dan adaptif mengahadapi perubahan zaman. Kondisi ini memunculkan ide untuk melakukan kegiatan pengabdian masyarakat dengan membekali pengetahuan dan implementasi lean management pada pelaku dan pemangku kepentingan dalam dunia pendidikan. Yayasan Yohanes Gabriel 2 yang dipercaya Keuskupan Surabaya untuk mengelola 15 sekolah menjadi mitra pengabdian masyarakat. Guru, karyawan, dan pimpinan yang ada di Yayasan Yohanes Gabriel 2 diberikan pelatihan mengenai identifikasi dan analisis waste atau pemborosan. Melalui pelatihan yang dilaksanakan sebanyak tiga kali, banyak waste atau pemborosan yang berhasil terungkap dari sektor pendidikan. Peserta pelatihan mengharapkan agar solusi yang diberikan dari hasil pelatihan ini segera ditindaklanjuti sehingga manajemen sekolah menjadi semakin baik. Peserta mengakui pelatihan ini memberikan manfaat bagi mereka.
Co-Authors Aylianawati Aylianawati Dian Retno Sari Dewi Dian Trihastuti Herman Hindarso Herwinarso . Ig. Jaka Mulyana Ivan Gunawan