ANALISIS MANAGEMENT STOCKPILE UNTUK MENCEGAH TERJADINYA SWABAKAR BATUBARA DI PT BUKIT ASAM TBK, UNIT PELABUHAN TARAHAN, KOTA BANDAR LAMPUNG, LAMPUNG

SALSABILA, SARAH and Ibrahim, Eddy (2018) ANALISIS MANAGEMENT STOCKPILE UNTUK MENCEGAH TERJADINYA SWABAKAR BATUBARA DI PT BUKIT ASAM TBK, UNIT PELABUHAN TARAHAN, KOTA BANDAR LAMPUNG, LAMPUNG. Undergraduate thesis, Sriwijaya University.

	Text RAMA_31201 _03021381419113-dikompresi.pdf - Accepted Version Restricted to Repository staff only Available under License Creative Commons Public Domain Dedication. Download (1MB) | Request a copy
Preview	Text RAMA_31201 _03021381419113_0022116203_01_front_ref.pdf - Accepted Version Available under License Creative Commons Public Domain Dedication. Download (410kB) | Preview
	Text RAMA_31201 _03021381419113_0022116203_02.pdf - Accepted Version Restricted to Repository staff only Available under License Creative Commons Public Domain Dedication. Download (123kB) | Request a copy
	Text RAMA_31201 _03021381419113_0022116203_03.pdf - Accepted Version Restricted to Repository staff only Available under License Creative Commons Public Domain Dedication. Download (312kB) | Request a copy
	Text RAMA_31201 _03021381419113_0022116203_04.pdf - Accepted Version Restricted to Repository staff only Available under License Creative Commons Public Domain Dedication. Download (335kB) | Request a copy
	Text RAMA_31201 _03021381419113_0022116203_05.pdf - Accepted Version Restricted to Repository staff only Available under License Creative Commons Public Domain Dedication. Download (18kB) | Request a copy
	Text RAMA_31201 _03021381419113_0022116203_06_ref.pdf - Accepted Version Restricted to Repository staff only Available under License Creative Commons Public Domain Dedication. Download (11kB) | Request a copy
	Text RAMA_31201 _03021381419113_0022116203_07_lamp.pdf - Accepted Version Restricted to Repository staff only Available under License Creative Commons Public Domain Dedication. Download (282kB) | Request a copy

Abstract

PT Bukit Asam, Tbk Tarahan Port Unit is a company which engages marketing of coal, both import and export, that located in Tarahan area, Bandar Lampung City. Improper stockpile management will affect the spontaneous combustion events that will cause changes in the value of coal quality. The cause of spontaneous combustion on stockpile 4 CY2 AL is caused by a buildup process that has been more than 5 months duration, where the recommendation for the accumulation of coal is 4 weeks duration, grain size is not uniform and relatively small at 4-6 cm. The height of the stockpile also reaches 18 m, where the recommended height is 15 m. Changes in coal quality occurring at the time of coal experienced the following spontaneous combustion events for MT 46 type coal having an increase of TM value of 0.49%, IM increment by 0.05%, increase of Ash by 1.79%, decrease of VM value by 1, 2%, FC decline by 0.02%, total sulfur decrease of 0.09%, and caloric value decrease of 60 kcal / kg. BB 50 types of coal experienced a decrease in TM value by 0.96%, IM decrease by 1.47%, Ash value increased by 1.56%, increased VM by 0.87%, FC decline by 0.96%, decrease total sulfur of 0.03%, and a decrease in caloric value of 86 kcal / kg. Things that can be done to prevent spontaneous combustion in the stockpile 4 area Tarahan Port Unit is to apply the design of the ideal pile area design and according to its allotment, which is shaped like a lime with a length of 313 m, width 100 m, height 15 m, and angle of repose of 35o, implementing FIFO system, as well as conducting periodic compaction and temperature monitoring. The existence of stack temperature monitoring and with the recommended geometry design of this stockpile 4 area can accommodate coal of 283,640.44 tonnes.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Stockpile, Swabakar, Perubahan Kualitas.
Subjects:	T Technology > TN Mining engineering. Metallurgy > TN400-580 Ore deposits and mining of particular metals
Divisions:	03-Faculty of Engineering > 31201-Mining Engineering (S1)
Depositing User:	Mr Halim Sobri
Date Deposited:	01 Oct 2019 06:47
Last Modified:	01 Oct 2019 06:47
URI:	http://repository.unsri.ac.id/id/eprint/9886

Actions (login required)

View Item