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All Journal IJoLE: International Journal of Language Education Jurnal Teknik Kimia
Waluyo, Untung
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Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Education Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Social Sciences

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REVIEW: PENJERNIHAN MINYAK GORENG BEKAS MENGGUNAKAN BERBAGAI JENIS ADSORBEN ALAMI Waluyo, Untung; Ramadhani, Aldi; Suryadinata, Alvina; Cundari, Lia
Jurnal Teknik Kimia Vol 26 No 2 (2020): Jurnal Teknik Kimia
Publisher : Chemical Engineering Department, Faculty of Engineering, Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jtk.v26i2.588

Abstract

 Abstrak Minyak goreng yang digunakan secara berulang pada temperatur tinggi akan menyebabkan penurunan mutu dan nilai gizi pada makanan yang digoreng. Penggunakan minyak secara berulang juga akan berdampak buruk bagi kesehatan. Perbaikan kualitas minyak goreng dapat dilakukan dengan berbagai cara sehingga minyak dapat digunakan kembali secara aman. Perbaikan kualitas dapat dilakukan dengan cara pemurnian dengan menggunakan sejumlah adsorben. Pemurnian minyak goreng bekas secara adsorpsi menggunakan berbagai adsorben dengan berbagai variasi suhu dan waktu kontak telah dipelajari. Proses adsorpsi dilakukan pada minyak goreng bekas yang dikontakkan dengan sejumlah adsorben. Mahalnya harga adsorben kimia membuat para peneliti mengembangkan adsorben alami yang berasal dari limbah pertanian. Terdapat beberapa limbah pertanian yang memiliki potensi sebagai adsorben. Limbah pertanian yang dapat digunakan sebagai adsorben dalam adsorpsi minyak goreng bekas yaitu seperti karbon aktif dari tempurung kelapa, karbon aktif dari tandan kosong kelapa sawit, karbon aktif dari kulit sukun, bentonit, mengkudu, arang aktif dari kulit pisang kepok, arang aktif dari biji kelor, arang aktif biji salak, arang aktif dari ampas tebu, adsorben dari pati aren, dan biji alpukat. Kapasitas adsorpsi dari beberapa jenis adsorben berbeda-beda bergantung pada struktur, konsentrasi adsorbat, jumlah adsorben, tingkat keasaman, kondisi operasi, dan waktu kontak.
SKDI-Based Needs Analysis for Designing English for Students of Medicine in Indonesia Sujana, I Made; Waluyo, Untung; Fitriana, Eka; Suryani, Dewi
International Journal of Language Education Vol. 4, No. 2, 2020
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/ijole.v4i2.13489

Abstract

Abstract. This longitudinal study aims to seek for solutions concerning the teaching and learning English at the Faculty of Medicine University of Mataram (UNRAM). The first year of the study is emphasized on the outcomes of needs analysis, which encompasses the Present Situation Analysis (PSA), the Target Situation Analysis (TSA), and the Learning Situation Analysis (LSA). Various data were collected form the documents of Standar Kompetensi Dokter Indonesia (SKDI) a.k.a. Competency Standards of Medical Doctors in Indonesia, the Graduates Profile of Faculty of Medicine UNRAM and the documents of student English proficiency levels within the last 5 years. Other sources of data were taken from a number of focused group discussions and in-depth interviews with students, alumni, subject specialists, management of Block, and various techniques. The data were then analyzed descriptively and qualitatively. Findings of the study show that the level of English of students at Medical Faculty was still far from being adequate to meet the SKDI. As such, three learning goals were generated from this study, i.e. the short-tem, mid-term, and long-term goals. The study suggests that to bridge the gap, the Faculty of Medicine needs to develop a number of language programs to prepare these students to achieve competencies that meet the standard of Graduate Profile and SKDI.
Co-Authors Dewi Suryani Eka Fitriana I MADE SUJANA . Ramadhani, Aldi Suryadinata, Alvina Yundari, Yundari