In a series of exploration and exploitation of oil and gas, well log (Well Logging) plays an important role to determine the condition of subsurface formations such as petrophysical properties of rock and fluid types which include porosity, permeability, and water saturation. Study of petrophysical properties, and potential hydrocarbon fluid types can be done by qualitative analysis (reading lo…
Biofloc technology is a system of utilizing inorganic nitrogen waste with probiotic bacteria so that it can be eaten by fish. One important component in biofloc is a carbon source such as molasses. However, the use of molasses as a carbon source is difficult to obtain. Therefore, alternative carbon sources are needed, one of which is tapioca starch. This study aims to determine the effect of th…
Oil palm (Elaeis guineensis Jacq.) is an annual crop that has the potential to absorb carbon emissions. In oil palm plantations, it is common to find weeds of various species that grow under stands of oil palm trees (understory). Undergrowth in oil palm plantations can be a land cover plant as well as a significant carbon store in addition to oil palm plants themselves. This study aims to deter…
Peatlands have great potential for carbon storage but are vulnerable to degradation due to land conversion and fires, which increase carbon emissions into the atmosphere. Oil palm (Elaeis guineensis Jacq.) Can absorb carbon through photosynthesis and store it in biomass. This study aims to estimate the amount of carbon stored in 10 years old oil palm trees in the peatlands of PT. Waimusi Agroin…
Untuk menentukan cadangan hidrokarbon suatu reservoir dapat dilakukan dengan metode kurva penurunan produksi (decline curve). Berdasarkan hasil evaluasinya, maka metode kurva penurunan produksi hanya menggunakan data laju produksi, data kumulatif produksi dan waktu produksi. Metode kurva penurunan produksi ini digunakan untuk menentukan Ultimale Recovery, Remaining Reserves, dan Remaining Life.…
Conversion of Carbon Dioxide into Methanol with Cu2O/C and Cu2O-ZnO/C Catalysts with Varying Electrical Voltage and Reaction Time is carried out using MEA consisting of an proton exchange membrane and electrodes. The electrodes were characterized using the Scanning Electron Microscope - Energy Dispersive X-Ray (SEM-EDX) method to show the morphology, electrode thickness and Cu content contained…
Palm oil mill effluent (POME) is a type of agro-industrial organic waste in the form of water, oil and organic solids originating from the by-products of the processing of fresh fruit bunches (FFB) of oil palm to produce Crude Palm Oil (CPO). Palm oil waste pollution can reduce environmental quality which will indirectly be harmful to the environment and human health. This research was conducte…
Analisis petrofisik pada batuan dilakukan untuk mengetahui kedalaman zona produktif hidrokarbon dan ketebalan zona tersebut. Analisis ini dilakukan pada sumur X lapangan Y pada kedalaman 2270 m - 2402.59 m. Analisa ini menggunakan data log. Jenis log yang digunakan yaitu log sinar gamma, log resistivitas , log neutron dan log densitas. Data digital logging diolah secara statistik guna mendapatk…
Medium carbon steel has a carbon content of about 0.42% to 0.60%. In use, carbon steel is being used as a component of automobile axles, crankshafts, boiler rails. The purpose of this study was to determine the effect of temperature variations on the hardness of medium carbon steel. The method used in this research is the experimental method. Specimens are heated using a heating furnace with a …
Baja ST 30 memiliki kandungan karbon kurang dari 0,30 % sehingga memiliki sifat yang lunak dan kekuatan yang lemah dibandingkan baja karbon menengah dan baja karbon tinggi. Quenching merupakan suatu proses pengerasaan pada baja yang dilakukan dengan cara di panaskan mencapai batas austenite. Tujuan penelitian untuk mengetahui pengaruh media pendingin magnesium sulfat pada proses quencing terhad…
Inhibitor yaitu suatu zat yang jika ditambahkan dalam jumlah sedikit dapat menghambat laju korosi. Penelitian ini menggunakan inhibitor daun rambutan yang diberikan pada spesimen baja AISI 1045 dengan cara diberi perlakuan quenching dengan suhu 850 oC agar inhibitorn ya bisa terserap kedalam spesimen dengan baik. Tujuan dari penelitian ini yaitu untuk mengetahui pengaruh inhibitor daun rambutan…
Penelitian ini bertujuan untuk mengetahui perbandingan kekuatan tarik, dan struktur mikro pada material baja karbon sedang AISI 1050 setelah dilakukan pengelasan GMAW dengan kampuh X dan arus listrik yang digunakan 95 A dan 105 A. Metode penelitian yang digunakan adalah penelitian eksperimen, berdasarkan perlakuan yang diberikan oleh peneliti yaitu berupa pengelasan dengan menggunakan las GMAW …
The research was conducted at PIT BME in the work area of PT. Ansaf Inti Resources with scope limited to seam c and seam d. The purpose of this research is to find out how the influence of the cleat attribute and its relation to coal permeability. The research method used includes literature study, field observations in the form of measuring cleat attributes (orientation, spacing, aperture, den…
The study was located in Gumay Talang District, Lahat Regency, South Sumatra. The research location is located in the South Sumatra Basin and is included in the Muaraenim Formation (Tmpm). The study was conducted to determine the characteristics and distribution patterns of coal seams at the location. The methods used in this study are well logging and startmodel methods. Lithology found at the…
Tanjung Api-Api port is a sea crossing port that connects South Sumatra and Bangka Island, Tanjung Api-Api port is located in the waters of Tanjung Api-Api South Sumatra Banyuasin district. The purpose of this study was to analyze and determine the type of texture and shape of the vertical profile of organic carbon content in sediments. This research was conducted in November 2022 around the po…
The textile industry produces a lot of dye waste in liquid form. One of the pollutants in dye waste is rhodamine B, included in carcinogenic dyes and dangerous when exposed to living things. Method that can be used to overcome this problem is the adsorption method using activated carbon. Preparation of activated carbon from rubber fruit shells (Hevea brasiliensis) which was activated using H3PO…
Many palm oil processing factories will produce waste that has not been utilized optimally in the form of palm oil shells. Oil palm shell can be used as an adsorbent to overcome environmental problems. Lead metal is a type of metal that can pollute the environment, is toxic and includes the B3 heavy metal. Production of activated carbon from oil palm shells with variations in temperature and ty…
Oil palm shell has high cellulose content so that it can be utilized as activated carbon for heavy metal absorption. Activated carbon from oil palm shells was prepared by varying HCl concentration, adsorbent weight and contact time. Activated carbon was characterized using FTIR and lead metal (Pb) was analyzed using SSA. The results of the characterization of activated carbon of oil palm shell …
Penelitian ini dilakukan dengan memanfatkan kangkung air yang banyak ditemukan di daerah rawa. Kangkung air dipetik dan diambil batangnya untuk dijadikan karbon melalui proses hidrotermal dan pirolisis. Karbon yang berasal dari kangkung air mempunyai pori-pori yang dapat digunakan pada anoda baterai litium ion. Sedangkan katoda yang digunakan adalah LiVO3 yang dihasilkan dari proses hidrotermal…
Tujuan dari penelitian ini adalah menentukan penambahan magnesium terbaik pada air rawa pengencer salinitas yang dapat meningkatkan sintasan, keija osmotik, konsumsi oksigen, pascalarva udang galah selama masa adaptasi penurunan salinitas dari 12 ppt hingga 0 ppt. Dengan hipotesis diduga penambahan magnesium berpengaruh nyata terhadap sintasan, kerja osmotik, konsumsi oksigen, larva udang galah…
Tujuan penelitian ini adalah untuk menentukan penambahan kadar kalsium terbaik untuk menghasilkan kelangsungan hidup, tingkat keija osmotik dan tingkat konsumsi oksigen terbaik pada pascalarva udang galah selama masa adaptasi pergantian media hidup dari media bersalinitas 12 ppt ke 0 ppt mulai dari PLi sampai PLn. Penelitian ini dilaksanakan pada bulan Juni 2012 di Hatchery Lapangan Budidaya Pe…
The goals of this research is to analyze the subject matter of hydrocarbon compounds on XI grade of senior high school textbooks based on the criteria of 4S TMD (Four Steps Teaching Material Development) selection stage. The type of this research is descriptive qualitative using content analysis method. There are three criteria on the 4S TMD selection stage. Based on the criteria for conformity…
Research has been conducted on the manufacture of carbon curcumber pulp (Curcumis lativus L.) and its application as an electrochemical double-layer capacitors. This study aims to electrochemically product carbon from curcumber pulp (DTS) with variations in the type of electrolyte concentration NaNO3 (sodium nitrate). Carbon DTS was made by the carbonization process for 16 hours and mircowave d…
Telah dilakukan penelitian yang beijudul Isolasi dan Identifikasi Bakteri Hidrokarbon di Sekitar Rizosfer Rumput Belulang {Eleusine indica [L.] Gaertn) yang Berperan dalam Fitoremediasi Limbah Minyak Bumi pada bulan April-Juli 2010 di Laboratorium Mikrobiologi Jurusan Biologi FMEPA Universitas Sriwijaya. Penelitian ini bertujuan untuk mendapatkan isolat bakteri hidrokarbon yang berperan dalam t…
Tujuan dari penelitian ini adalah untuk memisahkan getah dari minyak nyamplung dan menguji karakterstik CCO dan RCO. Penelitian ini dilaksanakan di Laboratorium Kimia Hasil Pertanian, Jurusan Teknologi Pertanian, Universitas Sriwijaya. Waktu pelaksanaan pada bulan Januari sampai Juni 2011. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) Faktorial terdiri dari dua faktor, untuk masing-m…
This research aims to determine the characteristics of liquid sugar yam (Dioscorea hispida Dennst) that was filtered by purifying materials, namely zeolite and activated carbon. This research was conducted at the Laboratory of Agricultural Chemistry, Department of Agricultural Technology, Faculty of Agriculture, Sriwijaya University, Indralaya in April 2010 to October 2010. This research used B…
Penelitian mengenai “Pertumbuhan Beberapa Legum Dalam Fitoremediasi Pada Tanah Yang Tercemar Senyawa Hidrokarbon Limbah Minyak Bumi PT. Pertamina UBEP Limau, Prabumulih, Sumatera Selatan ”, telah dilakukan pada bulan Desember 2009 - Februari 2010, di Laboratorium Fisiologi Tumbuhan dan Rumah Kaca, Jurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Sriwijaya. Penelit…
Palembang merupakan salah satu kota besar di Indonesia dengan jumlah pemakaian kendaraan bermotor tergolong tinggi. Penanaman pohon-pohon pelindung jalan dan mempertahankan luasan ruang terbuka hijau kota sangat penting khususnya bagi kota Palembang untuk memperbaiki kualitas udara kota. Penelitian ini bertujuan untuk mengestimasi cadangan karbon tersimpan pada tegakan pohon Angsana (Pterocarpu…