Tin mining is a major economic sector in Bangka Belitung and has shifted from land-based to offshore operations due to the declining availability of terrestrial reserves. Offshore mining activities using Kapal Keruk (KK), Kapal Isap Produksi (KIP), and Ponton Isap Produksi (PIP) have led to increased sedimentation and changes in water quality, necessitating an evaluation of marine environmental…
The air table is a tool that utilizes gravity (gravity concentration) in the process of separating valuable minerals from it’s tailing based on differences in specific gravity, shape, and size with wind as a separating medium. This tool is in the form of a table that is mechanically driven by a driving machine and uses air / wind media generated by an air blower in the separation process. The…
Tin sand is a sand deposit containing cassiterite (SnO2) as the main mineral and several other associated minerals. The mineral found in tin ore is the main mineral called cassiterite. The processing of excavated materials so that their content or quality can be improved through jigs until they meet marketing criteria or for smelting. This study used a pan-American type jig with western operati…
Tujuan dari penelitian ini adalah untuk: 1) menghitung besarnya perbandingan pendapatan petani lada dan penambang timah rakyat (TI), 2) menganalisis faktor-faktor apa saja yang menyebabkan petani lada beralih profesi ke penambang timah rakyat (TI). Pengumulan data di lapangan dilakukan selama satu bulan yaitu pada bulan Agustus 2007. Pengambilan data dilakukan terhadap 60 kepala keluarga petani…
Tanah lempung ekspansif banyak terdapat di Palembang dan digunakan sebagai bahan timbunan. Tanah ini sangat peka terhadap perubahan kadar air. Tanah ini mempunyai sifat kembang susut yang besar yang diakibatkan perubahan volume pori yang dapat menimbulkan permasalahan dalam perencanaan dan pelaksanaan konstruksi apabila tidak ditangani dengan benar. Cara yang tepat untuk mengantisipasi permasal…
Timah (Sn) merupakan logam lunak berwarna putih keperakan yang banyak ditemukan dalam bijih kasiterit (SnO₂) di Indonesia, khususnya di wilayah Sabuk Timah Asia Tenggara seperti Bangka Belitung. Indonesia, bersama dengan Malaysia, Thailand, dan Myanmar, merupakan bagian dari Tin Belt atau Sabuk Timah Asia Tenggara. Selain dalam melakukan hal penambangan, perhitungan cadangan juga penting untu…
PT. Timah is the largest tin mining company. One of the tools used in the mineral separation cutter suction dredges is Jig Concentrator - type Pan American. The success of the tin separation will depend on several variables, including stroke length and pulse rate, overflow water, thickness and size of the bed, hutch water, the size of spigot, and jig screen. The incompatibility stroke length an…
PT TIMAH (Persero) Tbk is one of the State Owned Enterprises (SOEs) in the field of tin mines located in the province of Bangka Belitung. Alluvial tin ore mining on the seabed is done using Dredger, cutter suction dredges, and Bucket Wheel Drage and Cutter Suction for stripping overburden. More emphasis tin ore mining production by using Cutter Suction Dredger. A layer of soil that is too thick…
PT. Timah (Persero) Tbk sebagai pemasok utama timah di Indonesia berusaha meningkatkan produksinya. Penambangan timah oleh PT. Timah (Persero) Tbk dilakukan dengan menggunakan metode penambangan alluvial di laut (ofF shore). Salah satu alat penambangan yang digunakan untuk eksploitasi timah lepas pantai adalah Kapal Isap Produksi (KIP). Perolehan mineral kasiterit pada kapal isap produksi tak l…
Proses peleburan timah di Unit Metalurgi PT. Timah (Persero) Tbk, pada suhu 1100-150(fC akan menghasilkan Crude Tin dengan kadar Sn sebesar 99,0 %~99,99%, dan unsur pengotor berupa Fe, Pb, Sb, Ni, As dan Cu. Proses peleburan terdiri dari peleburan tahap I yang akan menghasilkan slag I dan peleburan tahap II yang akan menghasilkan slag II dan terak Timah dari hasil peleburan ini mengandung kadar…
Kapal keruk (Bemban Dredge) adalah salah satu metode penambangan yang digunakan di PT. Koba Tin. Selain menggunakan metode semprot dengan menggunakan Gravel Pump dan mini dredge (Suction Dredge). Endapan timah adalah endapan dengan material lepas dan tidak kompak, sehingga dalam proses penambangan kapal keruk, yang merupakan satu sistem dari proses pengerukan sampai kepada pencucian, perlu dila…
Area yang akan ditambang pada tahun 2011 adalah seluas 119.072 m2, dengan estimasi perolehan volume pasir timah sebesar 669.384 m3, grade rata-rata sebesar 1,14 kg Sn/m3. Penambangan direncanakan mencapai kedalaman 24 m, dengan ketebalan overburden mencapai 16 m, dan ketebalan lapisan pasir timah mencapai 8 m. Seluruh cadangan tersebut akan ditambang dengan metode Tambang Semprot. Sebelum kegia…
Penambangcm bijih timah di Pemali Kabupaten Bangka Induk yang dilakukan oleh PT Timah (Persero) Tbk merupakan penambangcm endapan bijih timah primer yang pengerjaannya menggunakan metode tambang open pit. Kegiatan penambangcmnya menggunakan alat-alat berat dengan sarana jalan yang kompak Karena tambang open pit membentuk cekungan, air akcm mudah mengalir he dalamnya, terutama air hujan. Adanya …
PT Timah Tbk is a tin mining company that uses bucket-type dredgers for offshore mining. These dredgers excavate tin ore material from the seabed, including in situ material, overburden, and ore. In 2022-2023, the Kapal Keruk 21 Singkep 1 operated in the Laut Air Kantung, Bangka, using jigs to separate valuable minerals during the tin ore washing process. However, the recovery results for both …
PT. Timah (Persero) Tbk Indonesia dalam rangka memenuhi kebutuhan timah di pasar nasional dan dunia. PT. Timah (Persero) Tbk melakukan penambangan bijih dengan menggunakan metode penambangan alluvial (off shore). Kegiatan penambangan menggunakan Kapal Isap Produksi (KIP) dengan arah penggalian ke bawah dan membentuk kerucut. Tahapan penggalian dimulai dengan menggali lapisan timah menggunakan c…
Penambangan bijih timah di Pernah Kabupaten Bangka oleh PT Timah (Persero) Tbk. menggunakan metode open pit dengan alat utama yaitu dump truck dan excavator back hoe serta proses pengolahannya menggunakan instalasi jig. Selain itu, proses pertambangan bijih timah dibantu juga oleh peralatan pendukung lainnya, sehingga analisa biaya sangat penting dalam suatu usaha pertambangan, salah satu anali…
Soil quality is the ability of the soil to carry out its various functions. Soil quality value is an index calculated based on the value and weight of each soil quality indicator. One of the causes of soil quality degradation is changes in land use, namely mining activities. The aim of this research is to determine information on the value of soil quality on PT Timah Tbk post-tin mining land, T…
PT. Tambang Timah Kundur merupakan perusahaan yang bergerak pada bidang penambangan bijih timah. Metode penambangan yang dilakukan merupakan metode tambang laut salah satunya dengan menggunakan kapal isap produksi. Proses perolehan mineral kasiterit pada kapal isap produksi tak lepas dari proses pencucian bijih timah di kapal isap. Mineral kasiterit yang merupakan mineral yang mengandung unsur …
This research entitled "Economic Development of Tin Pewter Crafts Producers in Pangkal Pinang City, Bangka Belitung Year 2005-2015". The formulation of the problem in this study is how is the initial development, how is the economic development, and what is the relationship between the craftsmen and PT Timah Tbk in Pewter crafts in the city of Pangkalpinang. This study uses research procedures …
In the tin ore processing process that aims to separate the concentrate and tailing, there are valuable minerals that slipped off and wasted through the tailing so that rises the potential for low grade tin ore from the washing remainders (SHP). In optimizing the processing of tin ore, it is necessary to carry out further processing, one of which is by using shaking table technology. Shaking ta…
Rare Earth Elements (REE) are a group of 17 elementsthat are rarely found in nature. Minerals that contain REE mostly are found as a product of tin mining activities. Currently, the industrial world need REE for cutting-edge and high-tech manufacturing, but the material is very rare. Geologically, Indonesia is located on a route called the Southeast Asian Tin Belt which stretches from the south…
Today the development and rapid population growth. Along with this resulting in increased mobility of the population. So there is a lot of heavy vehicles on the highway that crossed the highway. One is the road transport infrastructure is a basic requirement in community activities. By looking at the increased mobility of the population is very high these days it would require an increase in bo…
The development of the automotive and electronic industries in developed countries such as Japan, America, China and major countries in the European region that need tin supply to run their industries is an opportunity for tin companies, especially the largest tin company in Indonesia, namely PT Timah Tbk. Considering the large global market demand for tin which results in competition in tin co…
Kasiterit merupakan sumberdaya alam yang sering dijumpai di Indonesia. Unsur penyusun utama mineral kasiterit adalah Sn yang dalam nama lain disebut stannum, merupakan sumberdaya alam yang dimanfaatkan oleh manusia sejak lama. Kasiterit banyak ditemukan di beberapa daerah di Indonesia tersebar mulai dari Kepulauan Riau sampai ke pulau Bangka Belitung, serta terdapat di Riau yaitu Kampar, Rokan …
Bauxite is a rock consisting of heterogeneous minerals with the main composition of alumina oxide (Al2O3). Bauxite as the main raw material for alumina can be obtained or extracted through mining processes carried out by surface mining and underground mining, according to the availability of bauxite itself. The Geological Resources Center data in 2014 shows the number of bauxite resources in In…
Tin is a type of metal with a silvery white color and luster that is not easily oxidized and is malleable. Tin in nature is not found in compound elements, but combined with other elements and mineral in the form of compunds, or commonly called tin sand. The current tin is obtained from the mineral cassiterite (tin ore) or the main mineral that found in tin sand. To obtain that tin ore, mining …
Indonesia has a country with abundant natural wealth. One of Indonesia's wealth that should be proud of is tin. Indonesia has the second largest tin reserves after China with the second largest production in 2021. Tin is a strategic metal in advancing the Indonesian economy, considering the role of tin in supporting technologically innovative products. One of these products is the use of tin ox…
Current technological developments have affected all fields. Along with these developments, it makes humans have a greater desire to know sophisticated technology, because it can make it easier for humans to do anythings. In the current era of globalization, which is marked by the number of people using technology to help ease work, so many devices have been created with innovative technology a…
Granite is a rock that carries the mineral cassiterite (SnO2) which is associated with acid magma and penetrates the sedimentary layer (granite intrusion). The process of forming tin ore (Sn) comes from molten magma containing the mineral cassiterite (SnO2). The tin sand content used in this study was 48,16%, while based on previous research, the tin sand content used for pipe making was at lea…