sewer mining or sewage mining is a concept where municipal wastewater is pumped from a trunk sewer and treated on-site to accommodate a range of local, nonpotable water needs. it is a strategy for combating water scarcity. it combines decentralized wastewater management and water reclamation.
the kamoto mine is an underground copper and cobalt mine to the west of musonoi in katanga province, democratic republic of the congo. the exploitation rights are owned by the kamoto copper company kcc , a joint venture between katanga mining 75% and the state-owned gécamines 25% .. gécamines began operations in the kamoto underground mine in 1969.
the porgera gold mine is a large gold and silver mining operation in enga province, papua new guinea png , located at the head of the porgera valley. the mine is situated in the rain forest covered highlands at an altitude of 2,200 to 2,700 m, in a region of high rainfall, landslides, and frequent earthquakes.. the porgera gold mine is operated by the porgera joint venture pjv .
the last kenny rogers roasters operating in north america was located in the ontario mills mall in ontario, california which closed on december 31, 2011. the 2008 purchase agreement allowed for nathan's famous and miami subs to continue selling kenny rogers roasters items in their restaurants.
osisko gold royalties is a canadian precious-metals mining company headquartered in montreal, quebec. it operates in canada with a focus on gold mines in the abitibi gold belt of quebec. the company was known as osisko exploration ltd. before changing its name in may 2008.
total cost of ownership tco is a financial estimate intended to help buyers and owners determine the direct and indirect costs of a product or system. it is a management accounting concept that can be used in full cost accounting or even ecological economics where it includes social costs.
lower operating cost – the energy efficiency of the isamill and the relatively cheap grinding medium cost give it a low operating cost for its grinding duty. this lower cost is frequently cited as having made possible the economic processing of mineral deposits that could not previously be profitably developed.
history. mining at obuasi begun in 1897, then referred to as the ashanti mine. in an interview ashanti kwesi enyan, the managing director of the obuasi gold mine, announced that the mine, while potentially rich, faces challenges like returning the mine to profitability, addressing social and environmental issues, improving community engagement and illegal mining.