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All Journal TAMBANG Jurnal Pengabdian Kepada Masyarakat Universitas Bangka Belitung PROMINE Logista: Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Himasapta MINERAL

EPSB Taman Tono

Jurusan Teknik Pertambangan, Fakultas Sains Dan Teknik, Universitas Bangka Belitung

Author-ID : 5340704

Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Education Energy Engineering Environmental Science Materials Science & Nanotechnology Social Sciences Other

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PERENCANAAN TEKNIS OPERASI PRODUKSI BIJIH TIMAH DI BLOK 3 TAMBANG BESAR 2.1 MITRA PT TIMAH (PERSERO) TBK Awwab Hafizh; E.P.S.B Taman Tono; Anisa Indriawati
MINERAL Vol 2 No 1 (2017): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

The process of tin ore mining in TB 2.1 is conducted by channeling slurry (the mixture of ore and water) from the stock pile into the washing unit by using slurry pump. Now, TB 2.1 is planning block 3 for the operation of tin ore production proceess. Thus, a good technical planning in accordance with the characteristic of tin ore in TB 2.1 and evaluation of operating system design in Block 1 are necessary. The sample of tin ore concentrate is taken as many as 250 gr from the washing unit to detect P80 of particle size distribution (PSD) of sample. The data of sucker and pressure pipe’s lenghth, store tank’s height, quantity of primary and secondary jig and tin ore monthly production are required to furthermore plan the mining design, washing plant and equipment needs in the drying unit. Based on the research findings, It is obtained the grain size distribution of tin ore is 1.001 mm, so that the amount of lifting velocity is 3.27 m/s. Slurry pump discharge with a pipe’s diameter of 10 inches is 54 m3/hour, while total head of mining design is 30.23 m. Width of launder required is 6.5 m and equipped with two Grizzlies. Washing plant requires three units of primary Jig (2 × 3 cell) and a unit of secondary jig (2 × 3 cell). Adding rotary vibrating screen, shaking table and rod mill are necessary for process optimization in the drying unit.

Optimalisasi dan Produktivitas Alat Gali-Muat dan Alat Angkut pada Tambang Batu Granit PT Vitrama Properti di Desa Air Mesu, Kecamatan Pangkalan Baru, Kabupaten Bangka Tengah Muhamad Nasuhi; E.P.S.B Taman Tono; Guskarnali Guskarnali
MINERAL Vol 2 No 1 (2017): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

Granite mining activity of PT Vitrama Properti is done by blasting system followed by work combination of one unit Excavator serve four units Dump Truck with a production target of 60.000 tonnes/month. The method of this research is quantitative descriptive to know achieving optimization and productivity Excavator-Dump Truck and efforts are needed to achieve the production target. The results of this research that digging and transport activities not run optimally seen from the low efficiency of work, which only reached 46,57% for digging activity and 40,51% material transport activities of the actual productivity of 29503,44 tons / month for Exacavator and 20754,72 tons / month for Dump Truck. Efforts are needed to achieve the production target is to make improvements circulation time of Dump Truck, increase the work efficiency of digging-transport activity and adding charging frequency to vessel Dump Truck.

Evaluasi Produktivitas Crushing Plant Untuk Pencapaian Target produksi 30.000 Ton/Bulan Batu Granit PT Mandiri Karya Makmur Di Desa Tanjung Gunung Kabupaten Bangka Tengah Firmansyah Firmansyah; E.P.S.B Taman Tono; Janiar Pitulima
MINERAL Vol 2 No 1 (2017): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

PT Mandiri Karya Makmur is one of private company that engaged in sector of mining and processing of granite rock located in Tanjung Gunung village, Central Bangka Regency with production target of 30.000 ton/year. PT MKM operates 1 unit of crushing plant as a place of granite rock crushing process in order to produce the size of granite rock product that suit to consumer demand. However, The production target of determined crushing plant had not been reached.The aim of this research was to assess the real productivity of crushing plant of PT MKM. The data used in in this research included work time data, the amount of obstructive production time, weight of rock sample and belt conveyor velocity. The Data had functions to assess the availability of equipment and the real productivity of crushing plant. It recommended to repair crushing plant in order to increase the productivity from the result of calculation data.The result of crushing plant analysis in field showed that installed production equipment was 56.250 ton/month, 18.738 ton/month of maximal production, and the real crushing production achieved of 8.848,5ton/month.The availability value of crushing unit, mechanical availability (MA) was 62.5 %, phisycal availability (PA) 71.66 %, use o availability (UA) 65.89 %, effective utilization (Eut) 47.22 %, effective work time 4.25 hour/day and work efficiency 47.22 %. From the condition, production target had not been achieved. The efforts can be conducted to repair crushing unit in order to meet production target such as : 1) To change production target to 15.000 ton/month, 2) To decrease delay time caused human errors (non technical) will raise effective work time from 4.25 hour/day to 6.45 hour/day and will raise productivity as big as 4.580,5 ton/month, from 8.848,5 ton/month to 13.429 ton/month, 3) To change crushing plant

Kajian Teknis Penggalian Lapisan Tanah Atas dan Kaksa untuk Meningkatkan Laju Pemindahan Tanah pada Kapal Keruk 21 Singkep 1 di Perairan Air Kantung, Sungailiat, Bangka Aleo Saputra; E.P.S.B Taman Tono; Guskarnali Guskarnali
MINERAL Vol 2 No 2 (2017): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

One of the parameters of dredgers succeed is the rate success of overburden and kaksa per hour. For Dredger 21 Singkep 1 in September 2016 its LPT reach 493 m3/h, so it is still not yet achieved the ideal LPT dredger with bowl measuring 24 cuft of 782,44 m3/hour. The technical study on the excavation of top soil and kaksa done through the stages of research that consists of data collection, grouping the data as well as data processing and analysis. The results of this study indicateLPT ideal on the excavation of top soil for 978,05 m3/hour can be achieved by setting an average depth of 0.54 m emphasis ladder on the side wire speed of 6.82 m/minute and the pull wire speed setting aside that is equal to 8,04 m/minute at an average depth of 0.46 m emphasis ladder, while ideal in the excavation layer kaksa’s LPT of 586.83 m3/hour can be achieved by setting an average depth of 0.26 m emphasis ladder on the side of the wire speed 8.73 m/minute and the pull wire speed setting aside of 11.16 m/ minute at an average depth of 0.20 m emphasis ladder. LPT excavation of topsoil using face long methods reaches 845.38 m3/hour, or an increase of 19.7% from the LPT on short face methods that is equal to 652.78 m3/hour.

Evaluasi Titik Impas Biaya Peledakan Batu Granit Bulan Januari 2017 Melalui Perbaikan Metode Peledakan Pada PT Vitrama Properti Di Desa Air Mesu Kabupaten Bangka Tengah Hendra Susanto; E.P.S.B Taman Tono; Janiar Pitulima
MINERAL Vol 2 No 2 (2017): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

PT Vitrama Properti is one of the private companies that run on the mining field, namely the mining of natural resources of granites. In this study, the researcher observes the cost of explosion used by PT Vitrama Properti in its mining of granites. According to the economic analysis, to determine the cost of explosion need to count on the breakeven point. The method employed in this research is to analyze the breakeven point. Breakeven point is a calculation used to know the volume of explosion rate so that the total income and total cost will be at the breakeven point. The data collection is conducted from December 2016 to February 2017, including the data of drilling cost, explosion usage cost, the salary of employees and contract employees, excavators and dump trucks fuel cost, equipment ownership cost, and the specification of explosion tools and equipment. The result of the data analysis shows that the total explosion cost paid by PT Vitrama Properti in January 2017 is Rp.1,041,936,063,00 and the total income earned is Rp.1,287,134,940.00, so the total profit made is Rp.245,198,976.00. Whereas, the breakeven point of PT Vitrama Properti in January 2017 is on the explosion volume rate of 23,109.08 m3 with the total earning and total cost is Rp.841,170,781.00. One of the significant factors to reduce the cost of explosion is to improve the geometry of explosion and to make the effective use of ANFO. After implementing the improved geometry of the explosion, the breakeven point is also improved from the volume rate of 23,109.08 m3 to the volume rate of 21,090.35 m3. Also, to increase the income from the explosion process can be done by increasing the sale of granite from the explosion (boulder) into 7,072.17 m3 with the total income of Rp.257,426,988.00, as well as by increasing the total product sale of 24,752.59 m3 with the total income obtained of Rp.900,994,458.00.

Optimalisasi Unit Peremukan Dalam Pencapaian Target Produksi 60.000 Ton/Bulan Batu Granit pada Pt Vitrama Properti di Desa Air Mesu Kabupaten Bangka Tengah Ahmad Reza Setiawan; E.P.S.B Taman Tono; Anisa Indriawati
MINERAL Vol 3 No 1 (2018): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

Granite crushing plant in PT Vitrama Properti is divided into two units, namely primary crusher and secondary crusher with production targets at 60,000 tons/month, but production target had not been reached. Therefore, to achieve the production target, it was necessary to analyze the optimalization of the crushing process starting from the assessment of the availability, the working efficiency of the operator, the feed rate and production capacity of crushing plant by using statistical and mathematical methods. In September 2016, the actual working efficiency of primary crusher unit and secondary crusher unit were very low at 15,75 % and 24,75 % with production only amounted to 16771.49 tons/month and 16,135,59 tons/month. The efforts undertaken in order to achieve production targets are: 1) Increase the actual working efficiency in the primary crusher previously 15,75 to 83.14%, while the secondary crusher previously 24,75 % to 83.27 % 2) Increase the feed rate to the secondary crusher previously 283,44 tons/hour to 320 tons/hour.

KajianEkonomis Perencanaan Pengeboran Dan Peledakan Antara Kemitraan Dengan PT Bukit Asam (Persero) Tbk Pada Wilayah Pit II Banko Barat Di Tanjung Enim Sumatera Selatan Amri Tampubolon; E.P.S.B Taman Tono; Anisa Indriawati
MINERAL Vol 3 No 1 (2018): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

In 2017 PTBA plans to open pit mining in Banko Barat Pit II uses a system of drilling and blasting. Drilling and blasting activities aimed memberai hard material to support the process of making material by excavator-unloading With limited human resources drilling and blasting is currently assisted by partners. To get the maximum benefit with minimum cost necessary to study the cost of drilling and blasting between using the cost of services partners or self-management tool by PTBA.Planning of drilling and blasting costs PTBA version used by the method of self-management tools while the costs of drilling and blasting use the services of the partnership using the mail service offering. Geometri blasting used method R.L Ash so that would be obtained comparative cost planning and drilling and blasting between PTBA and partner services.The cost of drilling obtained using a self-management tool values obtained Rp 13.021.982.688/tahun, while using the services of the partnership obtained the value of Rp 26.472019.517/year. The cost of blasting using a self-management tool values obtained Rp 44.767.919.566/year, while using the services of the partnership obtained the value of Rp 51.750.738.054/year. The total cost of drilling and blasting self-managed appliance obtained the value of Rp 57.789.902.254/year more economical compared with services partnership with a value of Rp 78.222.757.571/year, these results show the difference in cost of Rp 20.432.855.317/year.

nalisis Penimbunan Overburden pada Pit 3 Timur Tambang Banko Barat di PT Bukit Asam Persero (Tbk) Ben Paulus Manurung1,; E.P.S.B Taman Tono
MINERAL Vol 3 No 1 (2018): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

PT Bukit Asam (Persero) Tbk is one of the BUMN which is engaged in coal mining. This research was conducted in Pit 3 East West Banko operated by the contractor. The process of stripping overburden the difference in volume measurement survey overburden calculations progress ritation conveyance of overburden in one period, this can cause losses, therefore analysis overburden dumps.The study was conducted through a survey progress overburden, by measuring the elevation of each stage disposal area using Global Positioning System (GPS), then processed using Software Minescape to get volume of the preliminary draft and volume accumulation from February to October 2016 and then compared with the volume of every ritation to get a correction of cargo carrying means of each ritation. Testing of native soil specific gravity and material of disposal area to get a percentage compaction ofmaterial.The results showed the initial draft disposal volume amounted to 2,508,449.9 m3, the actual volume of hoarding February - October 2016 amounted to 2,130,080.3 m3, the total volume of production of means of conveyance before the compaction of 2,353,206 BCM. Value shrinkage percentage the disposal’ material of 9,3%, so that volume production of means of conveyance after compaction into 2,134,357.84 CCM, then it can be seen that the correction charge each ritasi his conveyance of 23,744 BCM.

Studi Penggunaan Kapur Tohor Dalam Proses Penetralan Air Asam Tambang Di KPL Pit 3 Barat IUP Tamban Penggunaan Kapur Tohor Dalam Proses Penetralan Air Asam Tambang Di KPL Pit 3 Barat IUP Tambang Banko Barat PT Bukit Asam Tbk Tanjung Enim Sumatera Selatan Ester Indah Sari; E.P.S.B Taman Tono; Guskarnali Guskarnali
MINERAL Vol 3 No 2 (2018): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

The process of acid mine drainage in settling pond Pit 3 Barat Banko Barat PT Bukit Asam Tbk uses quicklime for berries carried out in the first inlet or pond channel. The pH value after the neutralization process has fulfilled the environmental quality standard value of 6-9 but the use of quicklime is less effective because it does not match the amount of water in the settling pond Pit 3 Barat Banko Barat. This can affect the economic use of quicklime in the Settling Pond. Therefore, testing and recalculation are needed in order to know the amount of quicklime to neutralize acid mine drainage and the cost of using lime needed based on the volume of water in the settling pond. The actual data in the field for the use of quicklime is 0.4 gr / l to be able to centralize acid mine drainage in accordance with environmental quality standards. This research method is testing 13 samples of acid mine neutralizing water in the laboratory with the addition of quicklime in order to calculate the amount of quicklime and the cost of using quicklime which is needed to neutralize acid mine drainage. Test results in the laboratory obtained a dose of quicklime of 0.2 gr / l to be able to neutralize the water to fit Environmental Quality Standards with an initial pH value of 3.43 to 7.11 after adding quicklime. The volume of water used is the settling pond volume which is 3,600,000 l. The amount of quicklime needed after testing in the laboratory is 18 sacks, while the actual amount of quicklime used in the field is 36 sacks. The actual cost required in using lime based on data in the field is Rp 1,224,000.00 and the cost of using quicklime based on laboratory testing data is Rp 612,000.00

EFEKTIVITAS PENGGERUSAN BIJIH TIMAH PRIMER MENGGUNAKAN BALL MILL DI PT MENARA CIPTA MULIA DESA SENYUBUK KABUPATEN BELITUNG TIMUR Eko Prayitno; E.P.S.B Taman Tono; Alfitri Rosita
MINERAL Vol 3 No 2 (2018): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

PT Menara Cipta Mulia is a primary tin mining company. The primary tin ore processing process includes comminution, sizing and concentration activities. The stage of primary tin ore comminution begins with the crushing process using a jaw crusher and then refined using a ball mill again. Ball mill is a form that is used to shrink the grain size of materials to obtain finer materials (fine materials) and preparation of the right size for the concentration process, namely size 60.degree. -200 mesh. Variable ball mill settings that are not appropriate welcome coarse ball mill scouring material (20 s.d. 50 mesh), so we need to do the grinding again because the minerals have not been taken from the impurity minerals. The ineffective process of grinding primary tin ore records high production costs. The experiment was carried out with bait stimulating variables 3-4 TPH, 4-5TPH, and 5-6 TPH. The bait size is 0-2 cm, 0-4 cm and 0-6 cm. The air rate is 4.436 l/h, 7.394 l/h, and 11.091 l/h. The experiment was conducted 27 times with the combined formula for the results of scouring the ball mill. Based on the experiments carried out, the right material for the process of concentration size 60 s.d. Was obtained. -200 mesh, because the size of the mineral has been released from the impurity minerals. The smaller feed bait, bait size, and air flow obtained from the materials resulting from the grinding of ball mill 60 mesh up to -200 mesh height. Effectiveness of grinding get in sample 19 with the highest production value of 5 s.d. 6 TPH. This parameter is used to get the right results for the concentration process, which is 60 mesh size. -200 mesh. The effective value of the feed rate variable 5 d. 6 TPH, feedback size 0-2 cm, and water rate 4.336 l/h.

Co-Authors 0DI RIPANDA Ahmad Reza Setiawan Aleo Saputra Alfitri Rosita Alfitri Rosita Amri Tampubolon Anisa Indriawati Aulia, Nur Fajri Awwab Hafizh Ben Paulus Manurung1, Dede Seiawan Delita Ega Andini Desi Fatimah Dini Wulansari Eddy Ibrahim Eddy Ibrahim Eko Prayitno Ester Indah Sari Firmansyah Firmansyah Fitra Adreansyah Franto, Franto Gregorius Fredrick Guskarnali, Guskarnali Haslen Oktarianty Hendra Susanto Indra Yustian Ines Yuana Irvani Irvani Irvani, Irvani Irvani, Irvani Irvani, S.T., M.Eng., Irvani, Janiar Pitulima Kusuma, Dimas Dian M.Arief Adilah Maria Jeane Inggrid Monika P Handayani Muhamad Nasuhi Muhammad Rizki Pratama Oktarianty, Haslen Rajesta F. Wardana Reza Reza Vikram Rinaldi

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