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      • Ravi Naidu
      • Michael Wright
      • Matthew Newton
      • Travis Peake
      • Ingrid Meek
      • Karin Fogarty
      • Rob Loch
      • Maria Eugenia Cola
      • Stephen White
      • Paul Storer
      • Chris Gimber
      • Robert Scanlon
      • ​Clayton Richards
      • Alex Watson
      • Chris Waygood
      • Colin Schiller
      • Scott Sleap
      • Ihsan Noor
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    • Donna Pershke
    • Gilles Tremblay
    • Charles Lee
    • Nanthi Bolan
    • Tim Roberts
    • Yudi Firmanul Arifin
    • Ihsan Noor
    • Amalia Rezeki
  • About Us
    • Our Team
    • Past Conferences >
      • 2018 Mine Rehab Conference >
        • 2018 Presenters >
          • Will Mitry
          • José F. Martín Duque
          • Stephen Barry and Hamish Aiken
          • Stephen White
          • Nanthi Bolan
          • Eduardo Arellano
          • Jo-Anne Everingham
          • Yudi Firmanul Arifin
          • Thomas Baumgartl
          • Gede Widiada
          • Harley Lacy
        • 2018 Workshops >
          • José F. Martín Duque
          • Greg Hancock
          • Jo-Anne Everingham
      • 2017 Mine Rehab Conference >
        • Mine Rehab Registrations
        • 2017 Sponsors
        • Local Information for MLRC
        • Conference Program
        • 2017 Presenters >
          • Matthew Newton
          • Penny Dunstan
          • Travis Peake
          • Karin Fogarty
          • Ben Clibborn​​
          • Neil Griffiths
          • Shannon Mulholland
          • Howard Wildman
          • Nanthi Bolan
          • Laura Kuginis
          • Carmen Castor
          • Didik Triwibowo
          • Chris Gimber & Brad O'Reilly
          • Corinne Unger
          • Simit Raval
          • Greg Hancock
          • Grant Dickins
        • 2017 Panel Discussion >
          • Peter Elliott
          • Stephen Barry
          • Martin Rush​
          • Andrew Keith
          • Matthew Newton
          • Richard Bush
        • 2017 Poster Presenters >
          • Robert Scanlon
          • Angus Carnegie
          • Hannah Alcantara
          • Andrew Keith
          • Yilu Xu
          • Hasintha Wijesekara
          • Shannon Diener
          • John Ritchie
          • Charles Lee
          • Bikram Banerjee
          • Sonia Shilpi
        • 2017 Cocktail Dinner
        • 2017 Workshops >
          • Garry Willgoose
          • Peter Elliott
          • Donna Pershke
          • Simit Raval
          • Michael Hitch
          • Wendy Timms
        • 2017 Mine Tours
        • Information for Exhibitors
        • Delegate Handbook
        • Conference Feedback Survey
        • Mine Tour Feedback Survey
        • Sponsor and Exhibitor Feedback Survey
        • 2017 Mine Rehab Conference - original
      • 2016 Mined Land Conf
      • 2015 Mined Land Conf >
        • Conference Presenters
        • Poster Presentations
        • Supporters
      • 2014 Mined Land Conf
    • Research >
      • Soil quality monitoring
      • Coal Dissolution Testing
      • Health implications of coal dust in rainwater
      • Honey bees the new canaries for monitoring of mined-land rehabilitation
      • Geomorphic design and modelling at catchment scale for best mine rehabilitation
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Didik Triwibowo

PT Adaro Indonesia
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Didik is Quality Health Safety Environment (QHSE) Compliance Manager of PT Adaro Indonesia, a major coal producer in Indonesia. Prior to his current position, he worked as Chief Engineer Regional and Long Term Hydrology at PT Freeport Indonesia 2010-2012, a major copper and gold producer in the world. 

One of his main roles within these two companies is dealing with managing significant environmental impacts of mine operation that is acid rock drainage (ARD) or acid mine drainage (AMD). Along with this task, he leads team working on post mine closure study and preparation i.e. pit lakes utilization study. He also leads environmental monitoring team of Adaro to ensure the result of environmental management programs such as water quality, reclamation and revegetation, biodiversity, hazardous waste, emission has been complied with government regulations. Currently he is focusing on preparation of the closure of Paringin Pit.

In 2007, he received Australian Partnership Scholarship (APS) award from Australian Government to pursue master degree on Environmental Management from the University of Queensland, Australia and completed the study in 2008.

Conference Speakers
Thursday:
  • Matthew Newton
  • Penny Dunstan
  • Travis Peake
  • Karin Fogarty
  • Ben Clibborn
  • Neil Griffiths
  • Shannon Mulholland
  • Howard Wildman
  • Nanthi Bolan
  • Laura Kuginis
  • Carmen Castor​
  Friday:
  • Didik Triwibowo
  • Chris Gimber & Brad O'Reilly
  • Corinne Unger
  • Simit Raval
  • Greg Hancock
  • Grant Dickins
  
​Abstract
​

Managing Pit Lakes Water Quality at Coal Mine of PT Adaro Indonesia, Indonesia.

PT Adaro Indonesia is one of the biggest coal producer in Indonesia from its single location in South Kalimantan, Indonesia. It produces 50 Mt/year of thermal coal from three mine pits: Tutupan, Paringin and Wara. Paringin Pit is expected to be mined out in 2021 while the two others still continue in operation. 

This paper discusses the final void plan of Paringin pit for ensuring environmentally and socio-economically sound of future pit lake. Currently there is a pit lake with an area of 21 ha in Paringin pit resulted from previous mine operation. The water quality monitoring has been conducted regularly to monitor water quality of the existing pit lake. The result of monitoring data will be used for evaluation and prediction of another pit lake created in the future. In 2021 there will be one big final void created in Paringin with total volume estimated 320 million m3 of fresh water. 

With the annual rainfall of the site is 3,000 – 4,000 mm/year, it will be challenging for PT Adaro Indonesia for ensuring the mine void geotechnically and geochemically stable and safe. At the end when the void filled up with water, it should be environmentally and socially functional as fresh water storage. 

Key words: Open Pit, Coal Mining, Mine Void, Pit Lake, Water

Presentation

​​Managing Pit Lakes Water Quality at Coal Mine of PT Adaro Indonesia, Indonesia.

Presented on 31st March 2017 at the 7th Annual Best Practice Ecological Rehabilitation of Mined Lands Conference (2017)
8.35am_15_min_didik_triwibowo_managing_pit_lakes_water_quality_adaro.pdf
File Size: 3355 kb
File Type: pdf
Download File

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T: +61 2 4921 7037
E: tim.roberts@newcastle.edu.au  

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