PPT-Streams and Longwall Coal Mining Subsidence: A Pennsylvania

Anthony T Iannacchione engineer mining Stephen J Tonsor biologist ecology Associate Professors University of Pittsburgh   The Question Can We Conduct Underground Coal Mining and Protect PA Streams. Impact . on . Longwall. Face. --. Evaluation . and Enhancement of Hydraulic Fracturing Technique. Jun Lu, . Geomechanical. . engineer. Daniel . W.H. Su, . Sr. . Geomechanical. . engineer. Greg J. . Longwall. Face – Mitigation and Evaluation. Daniel W.H. Su, . Sr. . geomechanical. engineer. Greg J. . Hasenfus. , . Sr. . geomechanical. engineer. Luke Stull, . geologist. Jun Lu, . geomechanical. Types of Coal. Anthracite- burns hotter and cleaner than other types of coal. Considered to be the highest quality (dark black in color and very shiny in appearance). Bituminous- most common type of coal. (brownish/black in color and dull in appearance) . Longwalls. and Longwall Top Coal Caving Mining in SCCL – A Case Study. 4. th. Coal Summit, New Delhi. J.V. . Dattatreyulu. *, Manoj Khanal. #. , Deepak Adhikary. #. , Rao Balusu. #. *The . Singareni. Winton Gale. Managing Director. SCT Operations PTY LTD, Australia. Ian Sheppard. Environment and Community Manager. Xstrata Coal, Tahmoor Colliery, Australia. Location of the Mine Area. Picton. Mittagong . August 2012. 2. Strong team of Industry professionals with, proven records in project generation, financing, mine operation and corporate governance . . Strategy:. Seek Grassroots to Brownfields level projects in the Asian Region with an initial focus on Indonesia;. By: Barry Thacker, P.E.. Coal Creek Watershed Foundation, Inc.. . Field trip with . Briceville. students to Wiley Cemetery to see the headstone of Henry Howard Wiley (HHW)…. www.coalcreekaml.com. COAL . What is Coal? . A black rock . What is in coal? . Comes from the remains of plants that have been compressed over millions of years in the Earth. . It is about 75% carbon . Also may contain sulfur, hydrogen, oxygen, nitrogen, and other substances. . Coal beds were prehistoric swamps.. Can be considered to be . “. stored. ”. solar energy.. Photosynthesis:. CO. 2. H. 2. 0 solar energy .  carbohydrates O. 2. We can also run the process backwards and burn carbs to get energy, water, and carbon dioxide.. David Herr. Mark Bentley. Types of coal. 4 Main Types of Coal. Anthracite. Carbon content between 86 and 98 percent. Heat value of about 15,000 BTUs/lb.. Bituminous. Carbon content between 45 and 86 percent. Heat value of 10,500 to 15,500 BTUs/lb.. NSW Independent Planning Commission . Public Hearing. 26 February 2019. POSCO in Australia. Since 1981. Joint Ventures: 9. Invested more than $5bn by end of 2018. . Purchase $7bn of Raw materials p.a. 28 6-8 February 2002 The AusIMM Illawarra Branch 2002 Coal Operators flow So installation of treatment systems to maintain compliance for manganese on both sites was required In 1997 Fola began extensive testing to determine what caused the trend toward poor water q Osaka City and . Saitama Prefecture. No. C3 Ver. 1. Depression caused by land subsidence . https://www.pref.saitama.lg.jp/a0505/901-20091202-17.html. Original. 　. ground elevation. Elevation after land subsidence.