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All Journal Jurnal Teknik Jurnal Simetris Jurnal Simantec Rekayasa Mesin Kodifikasia: Jurnal Penelitian Islam Nurani: Jurnal Kajian Syariah dan Masyarakat REKAYASA JAWI : Journal of Southeast Asia Islamic Contemporary Issues PALITA: Journal of Social - Religion Research International Journal of Science, Engineering and Information Technology Sains Data Jurnal Studi Matematika dan Teknologi Jurnal Polimesin Widya Teknik
Ibnu Irawan
Fakultas Farmasi Universitas 17 Agustus 1945 Jakarta
Religion Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences

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Tinjauan Hukum Islam Terhadap Kawin Pineng pada Masyarakat Adat Abung Nunyai Firhan, Firhan; Irawan, Ibnu
Palita: Journal of Social Religion Research Vol. 5 No. 1 (2020): Palita: Journal of Social Religion Research
Publisher : LP2M IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/pal.v5i1.1270

Abstract

Abstract [English]:In the customary of low,  marriage is a matter that is blessed with kinship, family and community. until now some communities have consistently carried out weddings that are based on the culture of the local community. Pineng marriage to Abung Nunyai in North Lampung is one example of this traditional marriage. The author is interested in researching the marriage practices of indigenous Abung Nunyai and a review of Islamic law regarding the practice of traditional marriage. The purpose of this study was to determine the local culture of the community in marriage, as well as the legal status of implementing the practice of marriage. This research is field research, using al-Urf theory and descriptive analysis method.Abstrak[Indonesia]: Secara hukum, adat pernikahan merupakan urusan yang berkaitan dengan kekerabatan, keluarga dan masyarakat, sehingga sampaisaat ini beberapa masyarakat tetap konsisten melaksanakan pernikahan yang berlandasakan kebudayaan masyarakat lokal, salah satunya adalah pernikahan Pineng masyarakat adat Abung Nunyai di Lampung Utara. Hal tersebut yang menarik penulis untuk meneliti terkait  praktik pernikahan masyarakat adat Abung Nunyai dantinjauan hukum Islam mengenai praktik pernikahan adat tersebut. Tujuan penelitian ini adalah untuk mengetahui kebudayaan lokal masyarakat di dalam pernikahan, serta status hukum pelaksanaan praktik pernikahan tersebut. Penelitian ini merupakan penelitian lapangan, dengan menggunakan teori al-Urf dan metode deskriptif analisisustomary of low,  marriage is a matter that is blessed with kinship, family and community. until now some communities have consistently carried out weddings that are based on the culture of the local community. Pineng marriage to Abung Nunyai in North Lampung is one example of this traditional marriage. The author is interested in researching the marriage practices of indigenous Abung Nunyai and a review of Islamic law regarding the practice of traditional marriage. The purpose of this study was to determine the local culture of the community in marriage, as well as the legal status of implementing the practice of marriage. This research is field research, using al-Urf theory and descriptive analysis method.
Development of appropriate technology for converting cassava peel biomass with sugar cane peel into bioethanol Irawan, Ibnu; Widiaswanti, Ernaning; Pranjoto, Hartono; Choir, Qalibun Ghalidh
Widya Teknik Vol. 24 No. 2 (2025): November
Publisher : Fakultas Teknik, Universitas Katolik Widya Mandala Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33508/wt.v24i2.6118

Abstract

Alternative fuels are waste-derived materials that can be converted into substitutes for petroleum-based fuels. Alternative fuels can be derived from agricultural waste, which is often underutilized and no longer viable for direct use. Among various types, cassava peels and sugarcane peels are promising feedstocks for bioethanol production due to their high carbohydrate and glucose content. Cassava and pineapple peels are rich in fermentable sugars, making them suitable for producing liquid fuels such as bioethanol with concentrations exceeding 80%. The fermentation results of these materials were followed by distillation at 80°C to obtain initial stage of bioethanol. The highest water content of 76% was recorded at a fermentation time of 9, while the maximum bioethanol yield reached 35.2%, with a corresponding calorific value of 1490.46 kcal/kg. At the same fermentation duration, the lowest flash point was observed at 20°C. This low flash point indicates that the resulting bioethanol evaporates easily at lower temperatures, a behavior influenced by the fuel's density and water content. Furthermore, significant interactions were observed between the raw material composition, the addition of EM4 bioactivator, and yeast during fermentation. These factors collectively influenced the methane (CH4) content generated, highlighting their role in optimizing the fermentation process.
Argumentasi Keluarga berencana dalam Hukum Islam (Studi Fatwa Syaikh Mahmud Syaltut) Irawan, Ibnu; Nasrullah, Nasrullah
JURNAL JAWI Vol 3 No 2 (2020)
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jw.v3i2.8078

Abstract

This according to the perspective of Mahmud Syaltut when there is an agreement there is no need to be disputed and there are new opinions. Mahmud SyaltutAbout Family Planning. This research is a library research study or library research, that is research conducted through data collection or scientific papers with research objects or data collection that is. The results of the study show that Family Planning (KB) law, so that this research can be developed for the benefit of a wider range of family planning programs that will be able to sort the desired community groups, so that the number must be increased and undesirable community groups so that the number must control. The implementation of the Family Planning (KB) program must be based on good intentions and the Implementation of Family Planning (KB) must be in accordance with Islamic Law.
Mahar Hafalan Al-Qur’an Perspektif Hukum Islam Irawan, Ibnu; Jayusman, Jayusman
Palita: Journal of Social Religion Research Vol. 4 No. 2 (2019): Palita: Journal of Social Religion Research
Publisher : LP2M IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/pal.v4i2.804

Abstract

Mahar merupakan pemberian dari mempelai pria kepada wanita yang berupa materi, baik berupa seperangkat alat salat, cincin, uang atau barang berharga lainnya. Belakangan ini hafalan al-Qur’an juga kerap digunakan sebagai mahar pernikahan, dengan berbagai alasan; mahar yang meringankan, mengikuti tren, dan keinginan pribadi. Fenomena ini tidak sama dengan kasus Sahl bin Said al-Sa’idi. Tinjauan hukum Islam, dan teori maqasid al-syariyah sangat tepat digunakan dalam menentukan kepastian hukum dari fenomena tersebut. Penelitian ini merupakan kajian pustaka (library research) dengan menggunakan metode deskriptif analisis.
Tinjauan Hukum Islam Terhadap Kawin Pineng pada Masyarakat Adat Abung Nunyai Firhan, Firhan; Irawan, Ibnu
Palita: Journal of Social Religion Research Vol. 5 No. 1 (2020): Palita: Journal of Social Religion Research
Publisher : LP2M IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/pal.v5i1.1270

Abstract

Abstract [English]:In the customary of low,  marriage is a matter that is blessed with kinship, family and community. until now some communities have consistently carried out weddings that are based on the culture of the local community. Pineng marriage to Abung Nunyai in North Lampung is one example of this traditional marriage. The author is interested in researching the marriage practices of indigenous Abung Nunyai and a review of Islamic law regarding the practice of traditional marriage. The purpose of this study was to determine the local culture of the community in marriage, as well as the legal status of implementing the practice of marriage. This research is field research, using al-Urf theory and descriptive analysis method.Abstrak[Indonesia]: Secara hukum, adat pernikahan merupakan urusan yang berkaitan dengan kekerabatan, keluarga dan masyarakat, sehingga sampaisaat ini beberapa masyarakat tetap konsisten melaksanakan pernikahan yang berlandasakan kebudayaan masyarakat lokal, salah satunya adalah pernikahan Pineng masyarakat adat Abung Nunyai di Lampung Utara. Hal tersebut yang menarik penulis untuk meneliti terkait  praktik pernikahan masyarakat adat Abung Nunyai dantinjauan hukum Islam mengenai praktik pernikahan adat tersebut. Tujuan penelitian ini adalah untuk mengetahui kebudayaan lokal masyarakat di dalam pernikahan, serta status hukum pelaksanaan praktik pernikahan tersebut. Penelitian ini merupakan penelitian lapangan, dengan menggunakan teori al-Urf dan metode deskriptif analisisustomary of low,  marriage is a matter that is blessed with kinship, family and community. until now some communities have consistently carried out weddings that are based on the culture of the local community. Pineng marriage to Abung Nunyai in North Lampung is one example of this traditional marriage. The author is interested in researching the marriage practices of indigenous Abung Nunyai and a review of Islamic law regarding the practice of traditional marriage. The purpose of this study was to determine the local culture of the community in marriage, as well as the legal status of implementing the practice of marriage. This research is field research, using al-Urf theory and descriptive analysis method.
Studi Ekperimental Produksi Bioetanol sebagai Bahan Bakar Alternatif menggunakan Limbah Kulit Nanas dan Kulit Pisang Irawan, Ibnu; Wahyudi, Mujib
Sains Data Jurnal Studi Matematika dan Teknologi Vol 3, No 1: January - June 2025
Publisher : Sekolah Tinggi Agama Islam Nurul Islam Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52620/sainsdata.v3i1.206

Abstract

Kebutuhan bahan bakar minyak setiap tahunnya meningkat namun ditengah meningkatnya bahan bakar minyak sebagai kebutuhan primer. Bahan bakar minyak mengalami kelangkaan yang disebabkan oleh meningkatnya volume kendaraan tiap tahunnya. Solusi untuk menanggulangi kelangkaan bahan bakar ini dengan cara menggunakan bahan bakar alternatif seperti bioetanol yang dapat diproduksi menggunakan bahan baku yang berasal dari limbah pertanian. Penelitian ini bertujuan untuk mencari kombinasi terbaik dari bahan baku kulit pisang dan kulit nanas untuk dijadikan bioetanol. Penelitian ini menggunakan metode hidrolisis, fermentasi, dan destilasi. Kombinasi bahan baku terbaik terdapat pada 0 gr kulit nanas dan 200 gr kulit pisang dengan menggunakan campuran mikroorganisme Sachromyces Cerevise (17) gr saat proses fermentasi yang menghasilkan kadar alkohol sebesar 60,3 %. Kombinasi ini memiliki nilai randeman sebesar 0,92% dan nilai kalor sebesar 7,6. Kombinasi bahan baku yang memiliki kadar bioetanol paling rendah adalah 200 gr kulit nanas dan 0 gr kulit pisang dengan campuran mikroorganisme Effectif Microorganisme 4 (17 ml) saat proses fermentasi yang menghasilkan kadar alkohol sebesar 47,0 % kombinasi ini memiliki nilai randeman sebesar 8,5 dan nilai kalor sebesar 0,93. Penelitian ini menyimpulkan bahwa kombinasi bahan baku terbaik adalah 0 gr kulit nanas dan 200 gr kulit pisang dengan campuran mikroorganisme Sachromyces Cerevise (17 gr).
PERANCANGAN SISTEM MONITORING EVACUATED TUBE SOLAR DRYER STUDI KASUS PROSES PENGERINGAN RUMPUT LAUT Prasetyo, Teguh; Irawan, Ibnu
Jurnal Rekayasa Mesin Vol. 16 No. 1 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i1.2142

Abstract

This research applies the simples moving average (SMA) method with period of 5 and 10 to filter monitoring data from solar drying system using an evacuated tube collector. Data filtering was used to eliminate measurement noise. Data was collected at five-minutes intervals. These SMA periods were also suitable for measuring humidity both in the environment and inside the drying cabinet. However, for temperature measurements inside the drying cabinet, only the 5-period SMA method could be used, as applying a 10-period SMA resulted in deviations exceeding the specified accuracy limits. In contrast, the monitoring of seaweed mass data did not required the use of SMA method, since its application led to significant measurement deviation from the actual values.
Performance evaluation of a steam-assisted incinerator using used oil fuels for diaper waste treatment under natural convection Irawan, Ibnu; Budiarto, Hairil; Mubarok, Khamdi; Amandha, Yaumil Nurchoir
Jurnal Polimesin Vol 23, No 3 (2025): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i3.6932

Abstract

Incinerators offer an effective solution for waste processing by maintaining high combustion temperatures in a well-insulated and enclosed chamber. The combustion process using an incinerator has the ability to convert waste into steam gas and ash that can be utilized. The advantage of the incineration process is its ability to reduce the volume of waste significantly, with a reduction rate of more than 65%.  In this research, a water steam stove was fuelled by liquid waste namely used motor oil and used cooking oil. It was tested for its performance in burning diaper waste under natural convection. The stove used has a height of 370 cm, a nozzle diameter of 2 cm, and a water vapor flow rate of 0.75 kg/hour. This study aimed to evaluate the thermal efficiency of the incinerator and analyze the influence of natural convection, fuel type, and the number of air holes on combustion performance. Experimental results showed that using eight air holes produced optimal results. Combustion with used motor oil reached the highest temperature of 397°C, burned for 65 minutes, and left 0.68 kg of ash residue. In comparison, used cooking oil reached 381°C, burned for 89 minutes, and left 0.95 kg of ash. The difference in fuel boiling points and viscosity significantly affected combustion efficiency. The highest thermal efficiency was 87% when using used motor oil, compared to 35% for used cooking oil. These findings suggest that used motor oil is a more effective and efficient fuel for diaper waste incineration in naturally ventilated systems.
Pemanfaatan Limbah Oli Bekas Sebagai Bahan Bakar Alternatif Untuk Kompor Bertekanan Udara Umami, Mahrus Khoirul; Irawan, Ibnu; Alim, Wildan; Arifin, Zainal
Jurnal Teknik Vol 23 No 2 (2025): Jurnal Teknik
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37031/jt.v23i2.671

Abstract

As the number of vehicles increases, the amount of used oil waste also increases. Used oil waste can be used as an alternative fuel energy for stoves. In the combustion process of used oil, the mixture of air and fuel can affect the achievement of optimal temperature by applying the right AFR (Air Fuel Ratio). The chemical formula of used oil can be known using the GC-MS (Gas Chromatography-Mass Spectrometry) test. The purpose of this study is to calculate the stoichiometric AFR, determine the resulting combustion temperature, then the combustion time at each variation of air mass rate of 0.00193 kg/s, 0.00276 kg/s, 0.00359 kg/s, 0.00442 kg/s and 0.00525 kg/s. The results of the GC-MS test of used oil obtained the chemical formula C22H46, so the stoichiometric AFR is 14.8:1. Stoichiometric combustion occurs at an air mass rate of 0.00359 kg/s producing a flame temperature of 876.8°C and a furnace temperature of 535.2°C, with a combustion duration of 1627 seconds, producing a blue flame across the furnace surface as an indicator of low emission values ​​and no soot. The combustion value with the highest temperature occurs at an air mass rate of 0.00525 kg/s, namely 1124°C, on the flame and 694.6°C on the furnace with a combustion duration of 1229 seconds. The lowest temperature occurs at a mass rate of 0.00193 kg/s, namely 767.5°C on the flame and 290.8°C on the furnace with a combustion duration of 2224 seconds. This study can be concluded that the greater the air mass rate, the higher the combustion temperature value so that the combustion is faster. This used oil stove can be an alternative new technology, which can replace people's dependence on gas stoves and become a solution for environmentally friendly stoves that do not emit soot in their combustion.
Co-Authors Achmad Kusairi Samlawi Agus Hermanto Alim, Wildan Amandha, Yaumil Nurchoir Anam, Sayidil Annisa, Rullie Aprilita Rina Yanti Budiarto, Khairil Choir, Qalibun Ghalidh Doni Abdul Fatah Ernaning Widiaswanti Firhan, Firhan Hairil Budiarto Harfia Mudahar Jayusman Jayusman Mahrus Khoirul Umami Mubarok, Khamdi Nasrullah Nasrullah Nizar Amir Pranjoto, Hartono Rifky Maulana Yusron Sri Wahyuni Teguh Prasetyo Tidar, Feri Prakus Wahyudi, Mujib Zainal Arifin