Effects of water–coal interactions on coal mine water

Water–coal interactions are dominant factors that affect water quality in coal mines. Using lixiviation, the effects of water–coal interactions on pH, salinity, and hazardous elemental enrichment in coal mine water and associated trends were simulated and analyzed. The salinity and hazardous element contents were low in the alkaline solution …

Indonesia: Five Largest Coal Mines in 2021

Sangatta Mine in East Kalimantan, was the largest coal-producing mine in Indonesia, producing approximately 49.2 million tonnes of coal and an estimated 51.4 million metric …

BRE Coal Mine

Indonesia and coal. Coal mines in Indonesia. Coal mines. The Bhumi Rantau Energi (BRE) coal mine is an opencast mine, operated by PT Bhumi Rantau Energi, a joint subsidiary of the Hanur Group, and the Triputra Group, in Rantau, Bungur, Tapin, South Kalimantan, Indonesia.[1]

Indonesia accounts for over 50% of deforestation caused by

Coal mining in Indonesia in particular doubled in this time period as output grew to match increased demand from China and India. Specifically, in East Kalimantan, 19% of the tree cover was lost ...

Adaro

PT ADARO INDONESIA (AI) AI is Adaro's largest coal mining operations, which produces Envirocoal, its flagship sub-bituminous thermal coal product of medium calorific value (CV) and ultra-low pollutant content. The Envirocoal CV ranges from 4,000kcal/kg to 5,000kcal/kg and it is one of the cleanest coal available in the global seaborne thermal ...

Coal Mine | Thiess Mining Projects | Thiess

Thiess returns to Central Kalimantan on a life-of-mine contract. Our commitment to safety, health and well-being, with an emphasis on fatigue management, will be critical throughout this project. Thiess will operate the adjacent Kapuas Tunggal Persada (KTP) and Global Bara Mandiri (GBM) mines and will deliver turnkey operations, including mine ...

Downstream from a coal mine, villages in Indonesian Borneo suffer …

East Kalimantan, in Indonesian Borneo, hosts rare expanses of biologically rich tropical rainforest. It also has rich deposits of coal — according to Greenpeace data, around 75 percent of the ...

Growth evaluation of native tree species planted on post coal mining …

Growth evaluation of native tree species planted on post coal mining reclamation site in East Kalimantan, Indonesia January 2019 Biodiversitas Journal of Biological Diversity 20(1):134-143

Company Overview – PT Kaltim Prima Coal

We are a coal mining company located in the region Sangatta, East Kalimantan, Indonesia. We operate of the largest open-pit Mining in the world. ... Kalimantan Timur – Indonesia Phone: +62 549 52 1155 Fax: +62 549 52 1701 Email: [email protected]. Marketing And Product Inquiries Phone: +62 549 52 1216/1217

Patterns of infringement, risk, and impact driven by coal mining

Coal mining is known for its contributions to climate change, but its impacts on the environment and human lives near mine sites are less widely recognised. This study integrates remote sensing, GIS, stakeholder interviews and extensive review of provincial data and documents to identify patterns of infringement, risk and impact driven by coal …

In Indonesian Borneo, a succession of extractive industries …

Much of the landscape of Indonesia's East Kalimantan province has been transformed, its formerly vast forests razed for logging, monocrop agriculture and open-cast coal mining.

PT Borneo Prima Coal Indonesia

PT Borneo Prima Coal Indonesia ("BPCI") is a private Indonesian company that holds an IUP for a coal mining concession. BPCI has received over USD 30 million in investment for a coking (metallurgical) coal deposit in Central Kalimantan, Indonesia, with the current mine phase being operational. Our coal sales are projected to range from 30,000 ...

Five largest coal mines in Indonesia in 2020

Indonesia is the world's largest coal exporter in 2018 and the second-largest coal trade partner for Japan after Australia. In 2018, Indonesian coal accounted for 15% (28.9 …

Indonesia to push for mine rehab, reforestation after deadly …

The Indonesian government plans to reforest watershed areas in the Bornean province of South Kalimantan and compel coal-mining companies to …

Mine pits expose the holes in Indonesia's plan to relocate its …

The region is known as Indonesia's coal-mining heartland; around 40% of East Kalimantan's total land area is earmarked for coal concessions. Siti said her ministry had begun rehabilitating ...

Bengalon coal mine

Background. In 2007, a 30% stake in KPC was sold to the Indian company, Tata Power. Mine Details. Sponsor: Kaltim Prima Coal Parent company: Bumi Resources Location: East Kalimantan, Indonesia Coordinates: 0.823979, 117.599032 (exact) Status: operating Capacity: 60.93 million tonnes with Sangatta coal mine (2019); 59.7 million …

Being realistic about coal mine rehabilitation in Indonesia: An

In East Kalimantan, the most intensively mined province in Indonesia, mine pits expand across more than 5 million hectares (12 million acres) of land already …

Company Profile

PT Bukit Makmur Mandiri Utama, or often called BUMA, was established in 1998, and is currently the second largest independent coal mining contractor in Indonesia. BUMA was established as a family business, and was acquired by Delta Dunia in 2009, turning it into a professionally-run corporate. It currently holds around 20% market share by providing

Report on Coal Mine Development and Transport …

Indonesia is the world's largest coal exporter in 2018 and the second-largest coal trade partner for Japan after Australia. In 2018, Indonesian coal accounted for 15% (28.9 million tons) of total coal imports in Japan. Japan mainly imports steam coal from Indonesia and relatively high calorific value bituminous coal among Indonesian coal.

Building Indonesia's 'green' new capital could see coal use …

A coal mine site being cleared with dynamite to access the vein of coal in East Kalimantan, Indonesia. Image by Cassidy K. / ILO via Flickr ( CC BY-NC-ND 2.0 ). Challenges to 'no-coal' policies

Patterns of infringement, risk, and impact driven by coal …

Coal mining is known for its contributions to climate change, but its impacts on the environment and human lives near mine sites are less widely recognised. This …

About – PT Kaltim Prima Coal

Kalimantan Timur – Indonesia Phone: +62 549 52 1155 Fax: +62 549 52 1701 Email: [email protected]. Marketing And Product Inquiries Phone: +62 549 52 1216/1217 ... – coal, can pave the way for renewable energy to flourish and society to sustain their way of live. We believe when coal mining is conducted responsibly, it can provide positive ...

Top 10 Coal Companies in Indonesia

Top coal company Indonesia: INDY. Indika Energy, a diverse energy company with significant coal mining operations in South Sumatra and Central Kalimantan, holds a production capacity of 53.3 million tons of coal in 2020. Its influence extends beyond coal mining, contributing to the broader coal business in Indonesia.

Report identifies tycoons controlling site of new …

The site for Indonesia's planned new capital city overlaps with 162 coal mining and pulpwood plantation concessions, a report by a coalition of NGOs has revealed.

Coal extraction in Indonesia is driving deforestation

The coal epicentre of East Kalimantan. The study suggests that coal mining expansion in East Kalimantan on the island of Borneo was the main factor driving mining-related deforestation in the country. The province is home to some of Indonesia's biggest coal mines, including the Sangatta mines in Kutai Timur regency, the Pasir …

Indonesia: Five Largest Coal Mines in 2021

Sangatta Mine in East Kalimantan, was the largest coal-producing mine in Indonesia, producing approximately 49.2 million tonnes of coal and an estimated 51.4 million metric tons per annum (mmtpa) of Run-of-Mine (ROM) in 2021. The Sangatta Mine is owned by PT Bumi Resources Tbk. The second largest coal-producing mine with an estimated …

Kalimantan and Sumatra captive coal mines

Kalbar-3 power station and coal mine (West Kalimantan) Kalselteng-1 power station and coal mine (Central Kalimantan) Riau Kemitraan power station and coal mine (Riau Province, Sumatra) ... Indonesia's proposed captive coal mines will produce 3.7 billion tonnes of carbon dioxide over the 40-year projected lifetime of their associated …

Five principles for Indonesia's just coal transition | SEI

In coal mining regions such as East Kalimantan or South Sumatra where the majority of Indonesia's coal is mined, coal revenues often account for more than 40 …

The five largest coal mines in Indonesia

Located in South Kalimantan, the Tutupan Mine is owned by Adaro Energy. The surface mine produced an estimated 35.61 million tonnes of coal in 2022. Buy the profile here. See more

Homepage | Arutmin

PT Arutmin Indonesia is a coal mining company operating based on Izin Usaha Pertambangan Khusus (IUPK). ... Arutmin's mining operation area is spread across three districts in South Kalimantan; Tanah Bumbu, Tanah Laut, and Kotabaru. Arutmin is currently managing five mining sites; Senakin Site, Satui Site, Kintap Site, Asamasam …

The Forming of Acid Mine Drainage Based on Characteristics of Coal

of Coal Mining, East Kalimantan, Indonesia Sri Widayati Amy 1, Umar Dani 2, Harits Nu' man 3, Dicky Muslim 4, Dudi Nasruddin 1, Himawan Nuryahya 1, Rully Nurhasan 1, Daryl Sarah Agustin 4

DEAN Mining Company

DEAN Mining Company (DMC) is a trusted and respected coal mining company based in South Kalimantan, Indonesia. We are committed to responsible mining practices and delivering high-quality coal to meet the energy demands of various industries. With a focus on excellence, environmental stewardship, and creating positive impacts, we strive to be …

Indonesia to push for mine rehab, reforestation after deadly …

The Mining Advocacy Network (Jatam), an independent watchdog, says there are 814 abandoned mining pits in South Kalimantan, against just 196 reported by the provincial mining department. Jatam ...

Indonesian Coal Mining Boom Is Leaving Trail of Destruction

The extent of that damage is difficult to document because Indonesia's coal sector is notoriously corrupt and opaque. JATAM, an Indonesian advocacy group, reports that about 16 million acres of land were set aside for coal mining in East and South Kalimantan provinces in 2010 — an area twice the size of Belgium.

Indonesia and coal

Coal Production. Since the early 1990's Indonesian coal mining in Indonesia has grown dramatically. The World Coal Institute estimates that in 2008 Indonesia mined 246 million tonnes of coal with just over 200 millions tonnes of this exported. 2008 coal exports comprised 173 million tonnes of steam coal and 30 million tonnes of coking coal. In …

The abandoned mines haunting Indonesia

Indonesia, abandoned mines, and the consequences of corruption. As the world's greatest thermal coal exporter, mining plays a big part in the economy of Indonesia. Indonesian law holds mining companies responsible for cleaning up after excavation, but these laws often go unenforced. See Also: Deep-sea mining could …

GAM Coal Mine

The Ganda Alam Makmur coal mine (GAM) is an opencast mine, operated by PT Ganda Alam Makmur, a subsidiary of LG International and partners Titan Infra Energy, with a capacity of 4 million tonnes-per-annum (MTPA) in Sangkulirang, East Kutai, East Kalimantan, Indonesia.. In 2019, the company proposed an expansion of the mine …

Sebuku Coal Mine, Kalimantan Indonesia

Mining in the Tanah Putih Pit. The Sebuku coal mine is an open cut truck and shovel coal-mining operation located on the tiny and remote island of Sebuku, in the province of South Kalimantan, Indonesia. It is owned and operated by the Straits Resources Singapore-listed subsidiary Straits Asia Resources.

The abandoned mines haunting Indonesia

Indonesia, abandoned mines, and the consequences of corruption. As the world's greatest thermal coal exporter, mining plays a big part in the economy of …

Five principles for Indonesia's just coal transition | SEI

In coal mining regions such as East Kalimantan or South Sumatra where the majority of Indonesia's coal is mined, coal revenues often account for more than 40 percent of provincial government's revenues; in East Kalimantan, up to 11% of the workforce  works in coal value chains

أحدث المنتجات