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All Journal Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Jurnal Nasional Pengelolaan Energi MigasZoom
Desy Hikmatul Siami
Unknown Affiliation
Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Engineering Environmental Science Mechanical Engineering

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Microbial Enhanced Oil Recovery (MEOR): Alternatif Peningkatan Produksi Migas di Indonesia Desy Hikmatul Siami; Novi Hery Yono
Jurnal Nasional Pengelolaan Energi MigasZoom Vol. 2 No. 2 (2020): Evaluasi Pemanfaatan Teknologi untuk Energi Berkelanjutan
Publisher : Pusat Pengembangan Sumber Daya Manusia Minyak dan Gas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37525/mz/2020-2/253

Abstract

The need for petroleum is increasing along with the development of the industry, while the production results from the process of recovering oil from the reservoir by using primary recovery and secondary recovery are still very low so that it takes an advanced stage, namely tertiary recovery or, known as EOR. EOR is a method that produces oil production above 50%. EOR is an effort to increase oil production, so it is included in the IOR (Improved Oil Recovery) section. EOR consists of various applications, ranging from water injection, chemical injection, gases injection to microbiology injection. The stages in the injection of water and gas still leave oil trapped in the rocks in the reservoir. MEOR is one method that can be used to bring oil trapped in reservoir rocks to the surface. The effectiveness of the MEOR method is measured based on several parameters that is formation temperature, oil viscosity, permeability, saltwater salinity, water cut, API gravity crude oil, pH, pressure, residual oil saturation, porosity depth and bacterial content in the reservoir.
Production of Persimmon Juice with Technology Ultrafiltration of Membrane to Improve People's Skills Wara Dyah Pita Rengga; Desy Hikmatul Siami; Nisrina Hasna' Nabil; Pratama Senapati Bagus Handoko; Indra Sakti Pangestu; Danang Dwi Saputra; Fauziyah Nurul Hidayah
Rekayasa : Jurnal Penerapan Teknologi dan Pembelajaran Vol 20, No 1 (2022): July 2022
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v20i1.44764

Abstract

COVID-19 impacted the Grabag Village community's economic instability, resulting in the termination of employment. Grabag Village has the potential for persimmons as fresh fruit consumption, which lasts only less than two weeks. It is the background for the community empowerment activities for three months. The program aims to utilize membrane ultrafiltration technology and introduce the use of chitosan preservatives to the community. The implementation method applied includes the preparation, implementation, and evaluation stages. The results of this activity program show an increase in the knowledge of the partner community regarding the basic introduction of persimmon fruit, diversification of persimmon fruit products, and understanding of the production process with an average value of above 80%. However, only 75% of all partners understand online marketing from a technological point of view. Community assistance is needed to face the challenges of digitizing business actors to expand market share and reach increasingly widespread smartphone users. The community knows the potential of persimmon fruit, which can be used to make many processed products into ready-to-drink drinks. The partner also knows chitosan as a natural preservative and practices adding it directly to fruit juice, packaging, and labelling. After the socialization stage, the community is more educated regarding the procedures for making ready-to-sell persimmon juice from persimmon fruit.
Co-Authors Danang Dwi Saputra Fauziyah Nurul Hidayah Indra Sakti Pangestu Nisrina Hasna' Nabil Novi Hery Yono Pratama Senapati Bagus Handoko W.D.P Rengga