Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Joseph Muchiri Githiria"'
Autor:
S.O. Bada, Joseph Muchiri Githiria, Abiodun Ismail Lawal, Khadija Omar Said, B. Genc, Jibril Abdulsalam, Moshood Onifade
Publikováno v:
International Journal of Mining, Reclamation and Environment. 35:506-522
Spontaneous combustion has been a long-standing challenge affecting coal mines globally as it jeopardises the financial and safety aspect of mining operations. It does not only damage assets but ca...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa75b4f5b73aaeb778c50e8442500c20
https://doi.org/10.1080/17480930.2021.1884336
https://doi.org/10.1080/17480930.2021.1884336
Autor:
B. Genc, J. M. Akande, O.T. Johnson, Jibril Abdulsalam, Michael Oluwatosin Bodunrin, Khadija Omar Said, Moshood Onifade, Joseph Muchiri Githiria
Publikováno v:
International Journal of Mining, Reclamation and Environment. 35:235-267
The technological advancement of drones benefited the mining industry and positively transformed operations by providing real-time data. This allows for the identification and mitigation of mining ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83312e2e1bef17ba392cecdbfcf719bc
https://doi.org/10.1080/17480930.2020.1804653
https://doi.org/10.1080/17480930.2020.1804653
Publikováno v:
Journal of Environmental Studies and Sciences. 10:394-410
Mining has played a part in the economic development of developed countries such as the USA, Canada and Australia. However, the mining economic growth connection varies considerably from that claimed in the historical analogy reasoning. It is not evi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dae9e5e9bc9920544139d45afb5b94be
https://doi.org/10.1007/s13412-020-00613-w
https://doi.org/10.1007/s13412-020-00613-w
Publikováno v:
International Journal of Coal Preparation and Utilization. 42:1626-1650
The interaction of coal and oxygen releases heat that promotes oxidation process when it constantly accumulates. If heat released is more than heat dissipated during the oxidation process, the temp...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e42253f1440508813059733c61f1c54
https://doi.org/10.1080/19392699.2020.1741558
https://doi.org/10.1080/19392699.2020.1741558
Publikováno v:
Combustion Science and Technology. 193:2350-2367
Coal undergoes self-heating resulting in spontaneous combustion when exposed to oxygen in the air. The determination of various constituents within coal, especially the ultimate analysis and petrog...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f016b12c18c6f610693d710f893ba9bb
https://doi.org/10.1080/00102202.2020.1736577
https://doi.org/10.1080/00102202.2020.1736577
Publikováno v:
Arabian Journal of Geosciences. 14
In-pit crushing and conveying (IPCC) systems are currently receiving more attention as a result of the existing characteristics of open-pit mining operations and what is likely to happen in the future. The use of trucks and shovels for loading and ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbcf2238d38e38898a2ffb8a7ac7efef
https://doi.org/10.1007/s12517-021-06550-4
https://doi.org/10.1007/s12517-021-06550-4
Autor:
Joseph Muchiri Githiria
Publikováno v:
Proceedings of the 28th International Symposium on Mine Planning and Equipment Selection-MPES 2019 ISBN: 9783030339531
Mining is the art of extraction of material from the earth surface for profit. The main objective of mining companies is to maximize net present value (NPV) while considering health, safety and environmental issues. Revolution in the mining industry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b89e6ecf398f706dc19826f020f5fed6
https://doi.org/10.1007/978-3-030-33954-8_10
https://doi.org/10.1007/978-3-030-33954-8_10
Autor:
Joseph Muchiri Githiria, C. Musingwini
Publikováno v:
Journal of the Southern African Institute of Mining and Metallurgy, Volume: 119, Issue: 3, Pages: 217-228, Published: MAR 2019
Cut-off grade is a decision-making criterion often used for determining the quantities of material (ore and waste) to be mined, ore processed, and saleable product. It therefore directly affects the cash flows from a mining operation and the net pres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4cbff0d6c9e6bfe01860bead69c39a48
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532019000300004&lng=en&tlng=en
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532019000300004&lng=en&tlng=en
Publikováno v:
Journal of the Southern African Institute of Mining and Metallurgy, Volume: 116, Issue: 11, Pages: 1027-1035, Published: NOV 2016
The maximization of net present value (NPV) is a primary objective in open pit mine planning processes. In an attempt to meet this objective, cut-off grades are considered in all the stages of mining. There are three stages involved in resource extra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3e89ad8b1bebace1d83947a28ab2e09
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532016001100007&lng=en&tlng=en
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532016001100007&lng=en&tlng=en
Autor:
Joseph Muchiri Githiria
Publikováno v:
International Journal of Mining and Mineral Engineering. 7:313
Cut-off grade optimisation is necessary for operational decision making in the many different circumstances affecting mine operations. The cut-off grades are supposed to reflect particular circumstances of specific mines in order to achieve the maxim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fffef6939f2496673f299560860c218
https://doi.org/10.1504/ijmme.2016.079993
https://doi.org/10.1504/ijmme.2016.079993