STUDI ANALISIS PENURUNAN KADAR Pb PADA CRYSTALLIZER DI UNIT METALURGI PT. TIM…

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…

STUDI PENINGKATAN RECOVERY BIJIH TIMAH PADA SISTEM PENCUCIAN DI KAPAL KERUK (…

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…

PERENCANAAN TEKNIS PENAMBANGAN BIJIH TIMAH PADA BLOK TAMBANG PUNGGUK DI PT KO…

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…

PERENCANAAN TEKNIS SISTEM PENIRISAN TAMBANG PADA AREA PENAMBANGAN TIMAH DI OP…

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 …

OPTIMASI CADANGAN TIMAH PADA AREA BEKAS PENAMBANGAN KAPAL KERUK 21 SINGKEP 1 …

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 …

STUDI PENGARUH LAJU PEMINDAHAN TANAH TERHADAP SARING PUTAR PADA KAPAL ISAP PR…

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…

ANALISA BREAK EVEN POINT (BEP) PADA PERTAMBANGAN BIJIH TIMAH DI OPEN PIT PEMA…

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…

KUALITAS TANAH PADA LAHAN PASCA TAMBANG TIMAH PT.TIMAH Tbk DESA TIRAM KECAMAT…

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…

Dari Pembentukan Kampung ke Perkara Gelap: MENGUAK SEJARAH TIMAH BANGKA-BELITUNG

Edition

-

ISBN/ISSN

978-602-8335-20-1

Collation

xvii, 291 hlm.; 20 cm

Series Title

-

Call Number

959.8 Erm d

STUDI PENGARUH NILAI PANJANG PUKULAN TORAK TERHADAP PEROLEHAN RECOVERY TIMAH …

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 …

PERKEMBANGAN EKONOMI PENGRAJIN KERAJINAN PEWTER TIMAH DI KOTA PANGKALPINANG B…

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 …

ANALISIS KADAR BIJIH TIMAH LOW GRADE SISA HASIL PENCUCIAN (SHP) PT TIMAH TBK …

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…

ANALISIS POTENSI MINERAL IKUTAN TIMAH DI FRONT PENAMBANGAN TK 1.818 PT TIMAH …

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…

STUDI EKSPERIMEN PENGARUH PENCUCIAN TAILING TIMAH UNTUK CAMPURAN LAPISAN PERM…

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…

UPAYA PT.TIMAH TBK DALAM MENINGKATKAN COMPETITIVE ADVANTAGE PRODUK TIMAH DI P…

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…

ANALISIS PENINGKATAN NILAI TAMBAH PASIR TIMAH UNTUK MEMENUHI BAHAN BAKU INDUS…

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 …

ANALISIS PENGARUH JUMLAH KIPAS PADA THICKENER TERHADAP PENCUCIAN BAUKSIT DALA…

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…

ANALISIS PENGARUH BERAT FEED, TINGGI DAN JARAK ANTAR RIFFLE TERHADAP HASIL PR…

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 …

ANALISIS PROSES PENINGKATAN KUALITAS PASIR TIMAH UNTUK MEMENUHI STANDAR INDUS…

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…

ANALISIS PENINGKATAN KADAR PASIR TIMAH DENGAN ALAT JIG UNTUK KEBUTUHAN SENSOR…

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…

ANALISIS PENINGKATAN KUALITAS PASIR TIMAH UNTUK MEMENUHI KEBUTUHAN INDUSTRI P…

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…

ANALISIS PEMANFAATAN PASIR TIMAH UNTUK MEMENUHI KEBUTUHAN INDUSTRI KACA FLUOR…

Tin sand is a sand deposit that contains several minerals, including the mineral cassiterite (SnO2) which is one of the materials used in the fluorine tin oxide glass manufacturing industry. The Sn content in the tin sand used for the manufacture of fluorine tin oxide glass must meet the requirements of 33.3%. Generally, the levels of Sn contained in tin sand mining results have low levels, so …

ANALISIS PENINGKATAN KUALITAS MONASIT SEBAGAI MINERAL PEMBAWA LOGAM TANAH JAR…

Tin sand processing not only utilizes the main mineral but also begins to utilize its accessory minerals, namely monazite as a rare earth metal carrier mineral. The mineral monazite contains the rare earth element neodymium which can be used as raw material in the permanent magnet industry. Monazite with quality levels below 40% can be improved by using the gravity concentration method using th…

STUDI PEMISAHAN BIJIH TIMAH HALUS (TIN ORE SEPARATION) DENGAN TEKNOLOGI MEJA …

The tin ore processing process aims to separate the concentrate from the tailings. The aim is to increase the recovery and grade of the tin ore. In optimizing the processing of tin ore, the technology used still utilizes differences in mineral density (BJ), one method that utilizes this principle is an air table. Air table is a valuable mineral separator with mineral impurities based on differe…

PEMBENTUKAN MEMBRAN POLYETHERSULFONE (PES) DENGAN PENCAMPURAN TIMAH DIOKSIDA …

The membrane is a layer formed from fine fibers and used as a filter. In their development, polymeric membranes have become interesting materials and have great potential as membranes for filtering contaminated water. The membrane must have a pore size and a strong layer to filter water. In this study, Polyethersulfone (PES) with the addition of an addictive substance Tin Dioxide (SnO2), was pr…

ANALISIS PENINGKATAN KUALITAS PASIR TIMAH DENGAN MENGGUNAKAN ALAT SLUICE BOX …

Kegiatan pengolahan bahan galian adalah kegiatan guna meningkatkan nilai bahan galian. Salah satu alat yang biasa digunakan adalah Sluice box dengan menggunakaan prinsip perbedaan berat jenis. Variabel yang diterapkan menjadi tolak ukur perolehan konsentrat yang sesuai dengan yang diharapkan. Kadar menjadi standar keberhasilan pengolahan yang dilakukan. Penerapan variabel waktu feeding, kemirin…

KAJIAN TEKNIS PENGARUH JUMLAH RIFFLE PADA ALAT SHAKING TABLE TERHADAP RECOVER…

Processing with shaking table is much affected by variables whose performance is set to obtain optimal grade and recovery. These variables include the number of riffles, deck slope, stream of water flow, stroke length, and deck movement speed. The purpose of this study was to vary the variable number of riffles, deck slope, and time on a laboratory scale to obtain the optimal grade and recovery…

ISOLASI DAN IDENTIFIKASI SENYAWA METABOLIT SEKUNDER DARI FRAKSI POLAR DAUN PI…

The isolation and identification of compound from the polar fraction of the betel nut (Areca catechu L.) had been done. The extraction were done by maseration method, while the separation and puriflcation was conducted by chromatography techniques. The isolated compound was yellow solid. Based on TLC analysis and spectroscopic data (UV and IR) showed that the isolated compound had OH, C=0 ester…

PROSES PENINGKATAN NILAI TAMBAH PASIR TIMAH UNTUK MEMENUHI KEBUTUHAN BAHAN BA…

The level of Sn in the tin sand concentrate must meet the standard criteria for making anodes, one of which is the Nexelion anode, which is 27.3%. To meet the requirements for these grades, tin sand needs to be processed first to increase the value of the mineral cassiterite and stannum elements in it. In this study, the tin sand sample used came from PT. Timah Tbk., processing is carried out u…

IDENTIFIKASI KANDUNGAN DAN PERSEBARAN KADAR TIMAH (SN) PADA ENDAPAN PLASER DA…

Geologically, Central Bangka Regency has Placer Deposits very widespread. The purpose of this research is to identify geological conditions and analyze the distribution of tin (Sn) content in Placer Deposits. Determination of tin content of Placer Deposits using the method of Grain Counting Analysis (GCA) and XRF (X-Ray Fluorescence) analysis on tin concentrate to determine the levels of Sn in …