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Johan Danu Prasetya
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INDONESIA
Jurnal Mineral, Energi dan Lingkungan
Published by Universitas Pembangunan Nasional Veteran Yogyakarta
ISSN : 25497197     EISSN : 2549564x     DOI : https://doi.org/10.31315
Core Subject : Science, Social, Engineering,
Earth & Planetary Sciences Engineering Environmental Science
JMEL (Jurnal Mineral, Energi dan Lingkungan) is a journal organized by the Faculty of Mineral Technology, Universitas Pembangunan Nasional Veteran Yogyakarta. The aim of this journal publication is to disseminate the research results and conceptual thoughts that have been achieved in the focus area of geosciences. JMEL, particularly focuses on the main problems in the development and application of the geosciences areas as follows: Geological Science and engineering Energy and Mineral Resources Geophysics and Geochemistry Geomatika Petroleum Geoscience and Engineering Mining and Metallurgy Engineering Disaster Management Environmental Sciences and Engineering Geoheritage and Geotourism
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Ilmu Bumi dan Planet (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 2, No 2 (2018): Desember" : 5 Documents clear
Pemanfaatan Lumpur Hasil Samping IPAL Pabrik Pasta Gigi Sebagai Bahan Baku Batako Dalam Upaya Reduksi Limbah Dwi Ratri Mitha Isnadina; Raih Panji Sampoerna; Nita Citrasari
Jurnal Mineral, Energi dan Lingkungan Vol 2, No 2 (2018): Desember
Publisher : Fakultas Teknologi Mineral, Universitas Pembangunan Nasional (UPN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (20.098 KB) | DOI: 10.31315/jmel.v2i2.2370

Abstract

This research were aimed to know the best variation as brick raw materials according to SNI 03-0349-1989 about  Concrete Brick for Wall Pairs and to know Pb concentration in leachate from raw material mixture and from stabilization-solidification product. Sludge from Wastewater Treatment Plant’s Toothpaste Factory was used as a substitution of Portland cement which was varied to 10%, 30% and 50% of Portland cement. Batako were tested by external views and physical requirements according to SNI 03-0349-1989. Raw material and product of brick were analyzed by TCLP for Pb metal using Atomic Absorption Spectrophotometric method. The selected sample variation as a large hollow brick material based on SNI 03-0349-1989 is 30% of sludge substituting Portland cement with grade II quality. The concentration of Pb in leachate of brick raw material for each variation was 0.84 mg / L; 0.95 mg / L; and 1.02 mg / L. While the concentration of Pb in the leachate of brick for each variation was 0.40 mg / L; 0.45 mg / L; and 0.49 mg / L.
Kadar BOD dan COD Air Lindi dengan Perlakuan Fitoremidiasi Tanaman Teratai (Nymphaea Sp.) dan Apu-Apu (Pistia stratiotes L.) (Studi Kasus TPA Jetis Purworejo) Eni Muryani; Ika Wahyuning Widiarti
Jurnal Mineral, Energi dan Lingkungan Vol 2, No 2 (2018): Desember
Publisher : Fakultas Teknologi Mineral, Universitas Pembangunan Nasional (UPN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (20.098 KB) | DOI: 10.31315/jmel.v2i2.2389

Abstract

Phytoremediation is one of alternative methods to remove pollutant in leachate. Leachate from Jetis Landfill was applied in this research. The purposes of the study were to analysis the change of BOD and COD concentration using Nymphaea sp. and Pistia stratiotes L. and to observe plants condition.The research was carried out by laboratory experiment. Tools and materials used in this research were reactors with 50 L capacity, 455 L of leachate, 12 pcs of Nymphaea sp., 120 pcs of Pistia stratiotes L., 12 kg of palm fiber, and 120 kg of gravel. There were 25 reactors consisted of 1 control reactor, 12 reactors with 3 day of resident time (H3) and 12 reactors with 7 days of resident time (H7). Each of reactors is filled with 15-20 L of leachate which consisted of only plant reactors (T or A) and palm fiber, gravel and plant reactors (TIK or AIK).  Each reactor was tested the BOD and COD. Plant conditions were observed daily. Changes of BOD and COD levels for each treatment presented in graphs then analysed descriptively.The results showed that BOD and COD levels of each reactor were lower than control. The difference was relatively small. The AIK-H7 reactor was the most optimum in reducing BOD levels, although the percentage of reduction only 24.11%.  In TIK-H7, the COD level was 576 mg/L, the reduction percentage reached 23,6%. The plant observation, found on the 3rd day of treatment, the leaves of the Nymphaea sp. have begun to decay, while the leaves of the Pistia stratiotes L. have started to dry and turn yellow. On the 7th day the whole plant was died. Phytoremediation with Nymphaea sp. and Pistia stratiotes L. in this research was not maximum to remove BOD and COD in leachate of Jetis Landfill.
Penanganan Kolam Sedimentasi Hasil Pencucian Bauksit Di PT. ANTAM Tbk. Tayan Muhammad Ridho; Peter Eka Rosadi
Jurnal Mineral, Energi dan Lingkungan Vol 2, No 2 (2018): Desember
Publisher : Fakultas Teknologi Mineral, Universitas Pembangunan Nasional (UPN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (20.098 KB) | DOI: 10.31315/jmel.v2i2.2157

Abstract

Bauxite ore mining PT.Antam Tbk. located in Tayan Hilir Subdistrict, Sanggau Regency, West Kalimantan Province is an open pit backfilling system. Besides the bauxite ore extraction, the washing process resulted slurry which is entering the open channel towards the sedimentation pond. This study aims to determine the total discharge of slurry that will enter the sedimentation pond and assess the capacity of existing sedimentation ponds. The results showed that based on the production target of 700,000 tons of Bauxite Washed/year with 60% concretion factor data, the total discharge of water entering the sedimentation pond was 3.54 m3/sec. The slurry from the open channel will go into the sedimentation pond so that the deposition found in Segment I, IV, V, and VI was 409.06 m3/day, 254.59 m3/day, 561.35 m3/day, and 273.90 m3/day respectivelly. Intensive dredging material will be carried out using two Hitachi Zaxis 210 LC Long-Arm Excavator units. The cleaning time needed by Segment I, IV, V, and VI are 10 days, 6 days,  9 days and 5 days, so that the dredging time of Segment I, IV, V, and VI are 82 days, 65 days, 53 days and 62 days respectivelly
Magmatism and Geothermal Potential in Pandan Volcano East Java Indonesia Isao Takashima; Dwi Fitri Yudiantoro
Jurnal Mineral, Energi dan Lingkungan Vol 2, No 2 (2018): Desember
Publisher : Fakultas Teknologi Mineral, Universitas Pembangunan Nasional (UPN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (20.098 KB) | DOI: 10.31315/jmel.v2i2.2214

Abstract

Pandan volcano is a volcano formed on Tertiary sedimentary rocks from the Kendeng zone deposited in the basin of East Java. In addition to generating petroleum potentials, such as Cepu and Bojonegoro oil fields, this area also generates geothermal potential. As a source of heat from the geothermal system is igneous rock formed from the magmatism process. The type of rock formed by the process of magmatism in the Pandan geothermal system is basaltic-andesitic and hornblende andesite are medium-high K calk alkaline affinity located in the island arc. The interaction of hot rock from post magmatism process with hydrothermal fluid resulted in the manifestation of hot springs and calcite travertine in the study area. Prediction of the subsurface temperature of hot water from geothermometer silica analysis contained in Banyukuning and Jarikasinan show cristobalite Beta equilibrium (70oC) and quartz temperature (120oC). To study about magmatism and geothermal fluid using petrographic method and petrochemical analysis (X-ray fluorescence spectrometry method) to the sample of igneous rock. While to study the fluid type and geothermometer of geothermal fluid using data from previous researchers. This research study is expected to provide additional information on the field of geothermal and magmatism in this area.
Analisis Continuous Wavelet Transform (CWT) Anomali Residual Medan Gravitasi Di Situs Geologi Karangsambung Kebumen Jawa Tengah Wahyu Hidayat; Wrego Seno Giamboro
Jurnal Mineral, Energi dan Lingkungan Vol 2, No 2 (2018): Desember
Publisher : Fakultas Teknologi Mineral, Universitas Pembangunan Nasional (UPN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (20.098 KB) | DOI: 10.31315/jmel.v2i2.2368

Abstract

Gravity method is a passive geophysical method that provides information on the distribution of rock density below the surface. The gravity method has a weakness at the level of ambiguity in determining the depth of the anomaly. This study aims to determine the depth of the anomaly using Continuous Wavelet Transform (CWT) analysis to overcome the value of ambiguity, so that the results obtained have a high degree of accuracy. The research method is data survey / acquisition and data analysis. This research was conducted in Karangsambung Kebumen, Central Java with the acquisition of gravitational data as many as 56 measurement points. The results of data acquisition then analyzed included reading to mGal, tool height correction, drift, tides, latitude, free air correction, Bouguer correction, and field correction. The results of this correction obtained Complete Bouguer Anomalies (ABL) values which were then reduced to flat fields and regional-residual anomaly filters. The next step is CWT analysis by making incisions on residual anomaly maps. The results showed that the source of the anomaly was between ± 39.2 - 122.9 meters.

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