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All Journal Science and Technology Indonesia JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Jurnal Teori dan Aplikasi Fisika Journal of Applied Engineering and Technological Science (JAETS) Jurnal Abdi Masyarakat Indonesia Journal of Engineering Environtmental Energy and Science Jurnal Penelitian dan Karya Ilmiah Lembaga Penelitian Universitas Trisakti INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Jurnal AKAL: Abdimas dan Kearifan Lokal Petro : Jurnal Ilmiah Teknik Perminyakan JURNAL ABDI MASYARAKAT INDONESIA (JAMIN) Journal of Earth Energy Science, Engineering, and Technology International Journal of Science and Environment JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah)
Samura, Lisa
Universitas Trisakti
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Evaluasi Formasi dan Penentuan Zona Hidrokarbon pada Lapangan LV dengan Data Log Levi Martin Christoper Simanjuntak; Samsol; Lisa Samura
Journal of Engineering Environmental Energy and Science Vol 2 No 1 (2023): January 2023
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/joes.v2i1.1487

Abstract

Lapangan LV memiliki tiga sumur yang dapat dianalisis yaitu XD-02, XD-04, dan XD-05. Penelitian ini dilakukan untuk mengevaluasi formasi dan menentukan zona hidrokarbon untuk selanjutnya dilakukan perhitungan saturasi air. Penelitian dilakukan dengan menganalisis log secara kualitatif dan kuantitatif dengan menggunakan software Interactive Petrophysics. Analisis log secara kualitatif bertujuan untuk menentukan lithology formasi serta menentukan zona hidrokarbon, sedangkan analisis log secara kuantitatif bertujuan untuk melakukan perhitungan volume shale, porositas, resistivitas air formasi, dan saturasi air. Perhitungan saturasi air pada penelitian ini akan menggunakan metode simandoux. Metode simandoux biasa digunakan untuk formasi yang mempunyai kandungan shale sebesar 5-30%. Harga kandungan shale pada sumur XD-02, XD-04, dan XD-05 secara berturut-turut yaitu sebesar 15,38 %, 7,14 %, 14,29 %. Harga saturasi air dengan menggunakan metode Simandoux pada sumur XD-02, XD-04, dan XD-05 secara berturut-turut yaitu sebesar 19,90 %, 19,25 %, dan 12,32 %. Kemudian setelah didapat harga saturasi air, maka dapat dicari harga saturasi hidrokarbon yang terkandung didalam lapisan tersebut. Harga saturasi hidrokarbon pada sumur XD-02, XD-04, dan XD-05 secara berturut-turut yaitu sebesar 80,10 %, 80,25 %, dan 87,68 %. Dari hasil perhitungan ini disimpulkan bahwa sumur di lapangan LV cocok menggunakan metode simandoux untuk perhitungan saturasi air dikarenakan kandungan shale pada sumur-sumur tersebut masuk ke dalam kisaran 5-30%.
PELATIHAN PEMURNIAN MINYAK JELANTAH MENGGUNAKAN ZEOLITE ALAM TERKATIVASI ASAM BAGI MASYARAKAT WILAYAH TANJUNG GEDONG, JAKARTA BARAT Fadliah Fadliah; Lisa Samura; Subandrio Soemali; Syamidi Patian
Jurnal AKAL: Abdimas dan Kearifan Lokal Vol. 4 No. 1 (2023): Jurnal AKAL : Abdimas dan Kearifan Lokal
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/akal.v4i1.14693

Abstract

Used cooking oil is an oil that has been used repeatedly in the process of frying food. Repeated use of cooking oil will cause a decrease in the quality of used cooking oil and if consumed will be harmful to health. The decrease in the quality of used cooking oil due to the formation of more double bonds in the structure of used cooking oil causes the oil to be more easily oxidized. The oxidation experienced by used cooking oil causes the quality of used cooking oil to decrease marked by the increasing value of peroxide number, free fatty acid content, water content and acid number of used cooking oil. One of the efforts that can be done to improve the quality of used cooking oil is to add an adsorbent to the used cooking oil. The added adsorbent serves to adsorb the impurities contained in the used cooking oil. One of the adsorbents that can be used is zeolite, zeolite can be used as an adsorbent because of the wide surface area of ​​zeolite which makes it easier for zeolite to adsorb chemical compounds on its surface. To test the quality of the oil can be done by measuring the peroxide number, free fatty acid content, water content and acid number. In this community service, training activities for refining used cooking oil will be carried out to the people of the Tanjung Gedong area, Tomang, West Jakarta. The link between PkM training in refining used cooking oil using natural zeolite for residents of the Tanjung Gedong area, West Jakarta and PkM flagship usakti, namely in the areas of regional development, ecogreen, and alternative energy. Namely using natural materials such as zeolite which is environmentally friendly to improve the quality of used cooking oil.
EVALUASI PENANGGULANGAN LOST CIRCULATION LAPANGAN X Pauhesti Pauhesti; Alfiandi Sembiring; Maman Djumantara; Lisa Samura; Cahaya Rosyidan
PETRO: Jurnal Ilmiah Teknik Perminyakan Vol. 12 No. 2 (2023): JUNI
Publisher : Jurusan Teknik Perminyakan Fakultas Teknologi Kebumian dan Energi Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/petro.v12i2.14383

Abstract

Lost Circulation adalah sebuah kasus hilangnya sebagian atau seluruh sirkulasi lumpur pemboran masuk ke dalam formasi yang sedang dibor sehingga sirkulasi lumpur pemboran tidak sempurna. Pada kegiatan pemboran di Lapangan X ini, terdapat sumur yang diindikasi mengalami masalah yaitu Lost Circulation. Lost Circulation yang terjadi terindikasi berada pada Formasi Bekasap dengan lithologi batuan limestone. Pada sumur ini terjadi total lost, dimana penyebab Lost Circulation dikarenakan formasi yang memiliki lubang pori yang cukup besar sehingga terbentuk rongga-rongga atau terbentuk gua(cavern) dan tekanan Formasi lebih kecil daripada tekanan Hidrostatik begitu juga tekanan Formasi lebih kecil dari Tekanan Surge. Dimana setelah dilakukan perhitungan pada kedalaman 634 ft terjadi lost circulation atau hilangnya sirkulasi pada kedalaman 356 ft yang dimana sumur ini mengalami total lost. Didapatkan tekanan formasi 45 psi,tekanan hidrostatik 151.79 psi, tekanan rekah formasi 146.24 psi, EMW 7.9 psi, ECD 9.0 psi, BHCP 163.56 psi, dan Pressure surge 163.56 psi. Dapat disimpulkan lost terjadi karena Tekanan Hidrostatik lumpur yang melebihi tekanan formasi dan Tekanan Surge yang melebihi Tekanan Formasi sehingga menyebabkan formasi menjadi rekah. Kemudian dilakukan metode penanggulangan menggunakan Lost Circulation Material (LCM) CaCO3 Coarse dan Blind Drilling. Kata kunci: Hilang Lumpur, Lost Circulation
USE OF ANOVA STATISTICAL METHOD IN EVALUATION OF TOFU WASTEWATER USED FOR SPIRULINA CULTURE MEDIUM ENRICHED WITH UREA AND NaHCO3 Mustamina Maulani; Gabriella Jasmine; Rosmalia Dita Nugraheni; Maman Djumantara; Asri Nugrahanti; Bayu Satiyawira; Cahaya Rosyidan; Lisa Samura; Harin Widiyatni; Pauhesti Pauhesti
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 6, NUMBER 2, OCTOBER 2023
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v6i2.16933

Abstract

Indonesia has a large amount of liquid waste originating from the tofu industry. Currently, the treatment of tofu industrial wastewater is carried out using both anaerobic and aerobic methods, but both methods still have several weaknesses. In this study, the tofu industrial wastewater was utilized as a culture medium for Spirulina sp. to provide economic value from wastewater that can be used as bioethanol, pharmaceuticals, and food products rich in omega 3, chlorophyll, carotenoids. Aim: The growth of Spirulina sp. is closely related to the availability of macro and micronutrients as nutrients and the influence of environmental conditions, so this study was aimed to see the best variation of the addition of urea and NaHCO3 as additional nutrients to maximize growth and cell density of Spirulina sp. with tofu industrial wastewater media. Methodology and Results: This study was done by culvitating Spirulina sp in the growth media, measuring the Optical Density (OD), and analyzing quantitatively and using ANOVA on IBM SPSS Statistics version 20. The study indicated that adding urea and NaHCO3 to Spirulina sp. had no effect on cell density and growth rate. Treatment with addition of urea 0.36 g/500 ml without additional of NaHCO3 had the highest growth rate, 0.00852/day, and the highest cell density value on Spirulina sp. growth. Conclusion, significance, and impact study: The tofu liquid waste can be used as a new alternative used as fertilizer because in the liquid tofu waste, it provides the nutrients needed by Spirulina sp.
The Effect of Temperature on Filtration Loss and Mud Cake on The Concentration of Corn Starch Using the KCl-Polymer Sludge System Safira Azzahra fira; Lestari; Lisa Samura; Asri Nugrahanti; Rachmi Kartini
Journal of Earth Energy Science, Engineering, and Technology Vol. 6 No. 2 (2023): JEESET VOL. 6 NO. 2 2023
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jeeset.v6i2.17685

Abstract

Drilling mud is a type of fluid that can help smoothing a drilling. The function of the drilling mud in the drilling process is to lift the drilling cutting. In this laboratory research, corn starch was used as a substitute for starch to reduce filtration loss. Corn starch is made by cleaning, drying, grinding, and sieving. The purpose of this research is to make mud with the addition of corn starch. its effect on filtration loss and mud cake at two temperature conditions. In this study the use of corn starch to be mixed into the mud with concentrations of 3 grams, 5 grams, 7 grams, 9 grams, and 11 grams. Accordingly, it can be seen which mud composition complies with the standard drilling mud specifications. Laboratory test results showed that the addition of corn starch additives caused a decrease in filtration loss for each difference in concentration and temperature. With the addition of 11 grams of corn starch, filtration loss decreased from 6.2 ml to 4.4 ml at 80°F, and it decreased from 5.2 ml to 3.9 ml at 200°F. In addition, corn starch additives cause the thickness of the mud cake formed to decrease. At a temperature of 80 oF the thickness of the mud cake decreased from 0.76 mm to 0.46 mm, while at a temperature of 200 oF it decreased from 0.62 to 0.42 mm. Based on the research results, corn starch additives and temperature influence changes in filtration loss and mud cake.
Nickel Salt Dependency as Catalyst in the Plating Bath on the Film Properties of Cu/Cu-Ni Rosyidan, Cahaya; Kurniawan, Budhy; Soegijono, Bambang; Maulani, Mustamina; Samura, Lisa; Nababan, Frederik Gresia; Putra, Valentinus Galih Vidia; Susetyo, Ferry Budhi
Science and Technology Indonesia Vol. 9 No. 3 (2024): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.3.529-538

Abstract

Metal plating frequently employs nickel (Ni) and copper (Cu) as anodes. Cu/ Cu-Ni film formed has many advantages, such as better corrosion resistance and high hardness characteristics. This study aims to assess the properties of Cu/Cu-Ni film, such as phase, surface morphology, crystallographic orientation, hardness, corrosion analysis, and contact angle, which were fabricated using electrodeposition with various Ni salt additions (0.3, 0.5 and 0.7 M). In addition, the cathode current efficiency (CCE) and deposition rate of the Cu/Cu-Ni electrodeposition were also investigated. An increase in Ni salt in the plating bath could enhance the pH, promoting higher CCE and depleting hydrogen evolution at the cathode, leading to the presenting Ni phase in the alloy. The higher concentration of Ni salt in the solution could also enhance the deposition rate due to a shift to a pH value, which affects the roughening of the surface morphology, promoting a higher contact angle. All crystal structures generated by Cu/Cu-Ni electrodeposition were FCC, with the preferred orientation of the (111) plane. Crystallite size and lattice strain depend on the deposition rate. Less crystallite size and lattice strain affect the film’s hardness and corrosion resistance. Moreover, the third bath had the resulting Cu-Ni layer with the best hardness and corrosion rate of around 136 HV and 0.081 mmpy.
Evaluasi Formasi dan Penentuan Zona Hidrokarbon pada Lapangan LV dengan Data Log Christoper, Levi Martin; Samsol, Samsol; Samura, Lisa
Journal of Engineering Environtmental Energy and Science Vol. 2 No. 1 (2023): January 2023
Publisher : LPPMP Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/3gf8pn77

Abstract

Lapangan LV memiliki tiga sumur yang dapat dianalisis yaitu XD-02, XD-04, dan XD-05. Penelitian ini dilakukan untuk mengevaluasi formasi dan menentukan zona hidrokarbon untuk selanjutnya dilakukan perhitungan saturasi air. Penelitian dilakukan dengan menganalisis log secara kualitatif dan kuantitatif dengan menggunakan software Interactive Petrophysics. Analisis log secara kualitatif bertujuan untuk menentukan lithology formasi serta menentukan zona hidrokarbon, sedangkan analisis log secara kuantitatif bertujuan untuk melakukan perhitungan volume shale, porositas, resistivitas air formasi, dan saturasi air. Perhitungan saturasi air pada penelitian ini akan menggunakan metode simandoux. Metode simandoux biasa digunakan untuk formasi yang mempunyai kandungan shale sebesar 5-30%. Harga kandungan shale pada sumur XD-02, XD-04, dan XD-05 secara berturut-turut yaitu sebesar 15,38 %, 7,14 %, 14,29 %. Harga saturasi air dengan menggunakan metode Simandoux pada sumur XD-02, XD-04, dan XD-05 secara berturut-turut yaitu sebesar 19,90 %, 19,25 %, dan 12,32 %. Kemudian setelah didapat harga saturasi air, maka dapat dicari harga saturasi hidrokarbon yang terkandung didalam lapisan tersebut. Harga saturasi hidrokarbon pada sumur XD-02, XD-04, dan XD-05 secara berturut-turut yaitu sebesar 80,10 %, 80,25 %, dan 87,68 %. Dari hasil perhitungan ini disimpulkan bahwa sumur di lapangan LV cocok menggunakan metode simandoux untuk perhitungan saturasi air dikarenakan kandungan shale pada sumur-sumur tersebut masuk ke dalam kisaran 5-30%.
PENGURANGAN KADAR MG2+ DAN MN2+ DALAM AIRMELALUI PEMANFAATAN ARANG AKTIF DAN BENTONITE Maulani, Mustamina; Nugrahanti, Asri; Satiyawira, Bayu; Rosyidan, Cahaya; Samura, Lisa; Arkaan, Muhammad Dzaki; Michael, David; Nuryana, Suherman Dwi
Jurnal AKAL: Abdimas dan Kearifan Lokal Vol. 6 No. 1 (2025): Jurnal AKAL : Abdimas dan Kearifan Lokal
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/21065

Abstract

Cikarawang Village, Dramaga, Bogor is a village with a large potential for water resources. However, the water in this village has high levels of Mg2+ and Mn2+. High levels of Mg2+ and Mn2+ can cause eye and nose irritation, as well as influenza symptoms. To reduce the levels of Mg2+ and Mn2+ in water, this study used the adsorption method using activated carbon and bentonite. The results of the study showed that the levels of Mg2+ and Mn2+ in water can be significantly reduced using the adsorption method. In sample 1, the level of Mg2+ decreased from 14.64% to 11.64% after adsorption for 30 minutes. In sample 2, the level of Mg2+ dropped to 0% after adsorption for 30 minutes. In sample 3, the level of Mg2+ decreased from 9.60% to 5.76% after adsorption for 30 minutes. In general, the longer the contact time between the sample and the adsorbent, the greater the decrease in the levels of Mg2+ and Mn2+. However, for sample 2, the level of Mg2+ dropped to 0% after adsorption for 30 minutes. This indicates that sample 2 has a very high level of Mg2+ that can be adsorbed perfectly by bentonite in a short time. This study concluded that the adsorption method using activated carbon and bentonite is an effective method for reducing the levels of Mg2+ and Mn2+ in water.
The Application of Non-Thermal Plasma and Electrocoagulation as Purifier of Liquid Waste in Home Industries Samura, Lisa; Maulani, Mustamina; Rosyidan, Cahaya; Putra, Valentinus Galih Vidia
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 6 No. 1 (2022): May Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v6i1.992

Abstract

This study aims to examine the decomposition method of liquid waste in the home industry, especially in the tofu industry, by using non-thermal plasma and electrocoagulant methods that are environmentally friendly and with low energy. In this study, the plasma method, electro-coagulant method, and a combination of both (electro-coagulant followed by plasma method and plasma followed by electro-coagulant method) were used to decompose liquid waste in the tofu industry. The results showed that non-thermal plasma followed by the electrocoagulation method was the most effective in reducing the T.D.S. value of 1983 ppm (the minimum value of the total control T.D.S. was around 2702 ppm), the minimum value of electrical conductivity (E.C.) was around 3967 (μs/cm), and also obtained a value of 3967 (μs/cm). pH 7.0. Based on the research results, non-thermal plasma combined with the electrocoagulant method can be applied to more optimally decompose liquid waste, especially in the tofu industry. The combination method of plasma and electrocoagulation to decompose the tofu industrial wastewater, which is environmentally friendly, is the novelty of this research
Effect of Zinc Addition in Copper to Structure, Hardness, Corrosion, and Antibacterial Activity Lisa Samura; Mustamina Maulani; Cahaya Rosyidan; Kartika Fajarwati Hartono; Suryo Prakoso; Evi Ulina Margareta Situmorang; Daniel Edbert; Bambang Soegijono; Muhammad Yunan Hasbi; Ferry Budhi Susetyo
Journal of Applied Engineering and Technological Science (JAETS) Vol. 6 No. 1 (2024): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v6i1.6098

Abstract

Brass (CuZn) is widely used today due to better mechanical, thermal, and chemical properties. The present research fabricated CuZn alloy by adding various Zn (6, 9, and 12 wt.%) to the Cu using gravity casting. Casts CuZn alloy by adding various Zn to the Cu to investigate optimum composition were resulting highest inhibited of bacterial activity. In addition, the structure, hardness, and electrochemical behavior of the alloy were also investigated using XRD, Vickers hardness, and potentiostat equipment. XRD confirmed that CuZn alloy has an alpha phase, and a FCC crystal structure. The rise of the Zn content in the alloy led to an increase in crystallite size, a decrease in the hardness and a shift to a more negative OCP potential at 1200 s measurement. Enhancing the Zn content to 9 wt.% in the alloy lead to decrease the corrosion rate. Moreover, 24-hour post-contact observation found that the sample places removed remained clear of bacteria. The Cu6Zn sample successfully inhibited the growth of Escherichia coli in the 3rd hour, while Staphylococcus aureus was 100 % reduced in the 7th hour. The Cu6Zn sample could be used as an alternative material for medical equipment in ambulances.
Co-Authors Ainurridha, Kemas Akhmad Alfiandi Sembiring Andry Prima Aqlyna Fattahanisa Arkaan, Muhammad Dzaki Aryanto, Reza Asri Nugrahanti Asri Nugrahanti, Asri Auliya, Hilyah Bambang Soegijono Bambang Soegijono Bayu Satiyawira Bayu Satyawira, Bayu Budhy Kurniawan Cahaya Rosyidan Christoper, Levi Martin Daniel Edbert Djunaedi Agus Wibowo Dwi Nuryana, Suherman Evi Ulina Margareta Situmorang Fadliah, Fadliah Fadliah, Fadliah Fajarwati, Kartika Ferry Budhi Susetyo Ferry Budhi Susetyo Gabriella Jasmine Gemintang Atlantika Urbiyanto hanz seca rifansyah cipta maheza Harin Widiyatni Havidh Pramadika Hidayat, Hifdzan Rizki Hidayat, Hifzhan Rizki Hilyah Auliya Jasmine, Gabriella Kartika Fajarwati kartika fajarwati hartono Kashah, Muhammad Refli Kurniawati, Riskaviana Lestari Levi Martin Christoper Simanjuntak lilik zabidi Lilik Zabidi, Lilik Listiana Satiawati, Listiana Lukas Pearlo, Kevin Maman Djumantara Maman Djumantara, Maman Maulani, Mustamina Michael, David Muhammad Burhannudinnur Muhammad Burhannudinnur Muhammad Burhannudinnur Muhammad Yunan Hasbi Mulia Ginting Mulia Ginting, Mulia Mustamina Maulani Mustamina Maulani Nababan, Frederik Gresia Nugraheni, Rosmalia Dita Onnie Ridaliani Pauhesti Pauhesti Pauhesti Pauhesti Pauhesti Pauhesti, Pauhesti Pearlo, Kevin Lukas Prapansya, Onnie Ridaliani Puri Wijanti Putra, Raka Handika Putra, Valentinus Galih Vidia Rachmi Kartini Raisha Marsha Raka Handika Putra Risyad Baihaqi Rosmalia Dita Nugraheni Safira Azzahra fira Samsol Soekardy, Mentari Gracia Subandrio Soemali Suherman Dwi Nuryana Suryo Prakoso, Suryo Syamidi Patian Syamsul Irham Syamsul Irham, Syamsul Urbiyanto, Gemintang Atlantika Valentinus Galih Vidia Putra Widia Yanti, Widia Wiwik Dahani wiwik dahani, wiwik