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All Journal Nozel : Jurnal Pendididikan Teknik Mesin
Herman Saputro
MECHANICAL ENGINEERING EDUCATION PROGRAM The Faculty of Teacher Training and Education Sebelas Maret University

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PENGARUH PRE-HEATING PADA PIROLISIS BIOMASSA LIMBAH AREN TERHADAP CHAR PADA REAKTOR HORIZONTAL MODEL CONTINUOUS Roli Russiadi; Herman Saputro; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 1 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i1.72188

Abstract

Utilization of palm waste in the form of charcoal briquettes makes the fuel more efficient and in a better form. Thus, charcoal briquette fuel with sugar palm waste is a solution or alternative to solving the waste problem caused by palm trees. This research was conducted with the aim of knowing the effect of pre-heating on the pyrolysis process of palm sugar waste biomass on gas fraction, bio-oil and char. This study used an experimental method conducted in the Mechanical Engineering Education Laboratory of Sebelas Maret University. The research variable is the variation of pre-heating time in the pyrolysis of palm waste biomass against gas fraction, bio-oil and char in a continuous model horizontal reactor. The result of this study is that pre-heating has an effect on the gas fraction. The longer the pre-heating process is carried out, the lower the amount of O2 gas produced. Pre-heating affects the char, so the quality and quantity can be measured.
STUDI KARAKTERISTIK PROSES PIROLISIS CEPAT RDF-5 BEBRBAHAN DASAR LIMBAH AREN DAN KOPI DENGAN PENGIKAT LIMBAH PLASTIK TERHADAP KUANTITAS BIO-OIL Muhammad Riswanda; Herman Saputro; Danar Susilo Wijayanto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 4 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i4.72277

Abstract

Currently, the Indonesian people are faced with various problems in terms of waste management, both organic and inorganic waste. Some of the wastes that can be used are palm waste, coffee grounds and HDPE plastic waste which can be used as alternative fuels, one of which is through the pyrolysis process. Pyrolysis is a process of chemical decomposition of a material thermally in the absence of oxygen. This pyrolysis process converts RDF-5 biomass into a liquid smoke product in the form of bio-oil. This study aims to determine the quantity of pyrolysis oil through the best variation of the composition ratio used. In this study used composition ratio variables, namely 50%:30%:20%, 40%:40%:20%, and 30%:50%:20%. The results of this study obtained the best quantity from a mixture ratio of 50% palm waste, 30% coffee grounds and 20% HDPE plastic to produce 200 ml. The composition ratio affects the quantity of pyrolysis oil results. RDF-5 from palm waste and coffee grounds with HDPE plastic waste binder produces a quantity that tends to decrease as the composition ratio of palm waste waste decreases.
STUDI KESIAPAN MAGANG INDUSTRI (MI) MAHASISWA PROGRAM STUDI PENDIDIKAN TEKNIK MESIN FKIP UNS Ngatou Rohman; Herman Saputro
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 1 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i1.72282

Abstract

The FKIP UNS Mechanical Engineering Education study program is one of the clusters in vocational education that produces vocational teacher candidates. To equip the competencies required to become a SMK teacher in the field of Mechanical Engineering and Automotive Engineering, it is necessary to gain experience in the industry. Industrial Internship is one of the subjects that must be taken by students of the Mechanical Engineering Education Study Program FKIP UNS as a graduation requirement. To examine the extent to which students carry out industrial apprenticeship programs in terms of the aspects of students and study programs, it is necessary to conduct research on the analysis of Industrial Internship readiness of students of the Mechanical Engineering Education Study Program FKIP UNS which can then be used as a basis for making policies regarding industrial apprenticeships. The design in this research is descriptive quantitative. The data collection technique was carried out in a survey using a questionnaire. The respondents in this study were all students of the Mechanical Engineering Education Study Program FKIP UNS class of 2020 or semester IV who will carry out the Industrial Internship program in 2022. The research data were analyzed descriptively with the help of the SPSS program. The results showed that 1) the readiness for industrial internships for students of the Mechanical Engineering Education Study Program FKIP UNS class of 2020 was 3.93 which was in the good category. 2) in providing industrial apprenticeship services for students, the Mechanical Engineering Education study program FKIP UNS makes an industrial apprentice manual and appoints an industrial apprentice coordinator.
Co-Authors Danar Susilo Wijayanto Husin Bugis Muhammad Riswanda Ngatou Rohman Roli Russiadi