calculate various stripping ratios for given situations (C, Ap) 3. explain the influence of stripping ratios on planning decisions (A, S) 4. assess the most economic method of mineability of a deposit by surface mining or underground mining from the limiting stripping ratio (A, S, E) 1.4 Stripping Ratio Stripping ratio is defined as the ratio ...

• 4.5/5(8)Get Price

Full text of "Ohio annals : Historic events in the Tuscarawas and Muskingum Valleys, and in other portions of the state of Ohio; Adventures of Post, Heckewelder and Zeisberger; legends and traditions of the Kophs, Mound builders, red and white men; Adventures of Putnam and Heckewelder, founders of the state; Local history, growth of Ohio in population, political power, wealth and intelligence ...

In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore. For example, a 3:1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock.

Table 1 shows how reflux ratio and stripping ratio depend on the rich amine feed temperature. (Reflux ratio is the molar flow of water returned to the column as reflux divided by the molar flow rate of acid gases overhead. Stripping ratio is the ratio of water to acid gases in .

Rio Tinto Investor Seminar, London - 11 December 2013 Page 5 of 81 exploration and evaluation spend. Last week,in Sydney, I said that we had achieved $1.8 billion of cost savings to the end of

Mowana is an open pit mine. From 2009 to 2014 the mine had a very high stripping ratio averaging 20:1. From 2015 up to the end of the budgeted mine life in 2020 the strip ratio is expected to average 5:1. Plant capacity has steadily increased and will reach 1.4Mt/a by 2017.

Search the history of over 371 billion web pages on the Internet.

Aug 24, 2017 · All other factors being equal, mining at a higher stripping ratio is less profitable than mining at a lower stripping ratio because more waste must be moved (at a cost per unit volume) for an ...

• Author: The Audiopedia[PDF]Get Price

Search the history of over 371 billion web pages on the Internet.

ration: 1 n a fixed portion that is allotted (especially in times of scarcity) Type of: part, percentage, portion, share assets belonging to or due to or contributed by an individual person or group n the food allowance for one day (especially for service personnel) "the rations should be nutritionally balanced" Types: field ration rations ...

Search the history of over 371 billion web pages on the Internet.

Stripping ratios aren't often discussed, but they can be an early and important indicator for mining projects. Here's what investors should know about them. A strip ratio, or stripping ratio ...

Full text of "Ohio annals : Historic events in the Tuscarawas and Muskingum Valleys, and in other portions of the state of Ohio; Adventures of Post, Heckewelder and Zeisberger; legends and traditions of the Kophs, Mound builders, red and white men; Adventures of Putnam and Heckewelder, founders of the state; Local history, growth of Ohio in population, political power, wealth and intelligence ...

A detergent composition is disclosed which comprises a surfactant selected from anionic, nonionic, cationic, amphoteric and zwitteronic detergent-active compounds and mixtures thereof; a detergency builder comprising zeolite P having a silicon to aluminium ratio not greater than 1.33 (zeolite MAP); and a proteolytic enzyme having an isoelectric point below 10.

Full text of "Ohio annals : Historic events in the Tuscarawas and Muskingum Valleys, and in other portions of the state of Ohio; Adventures of Post, Heckewelder and Zeisberger; legends and traditions of the Kophs, Mound builders, red and white men; Adventures of Putnam and Heckewelder, founders of the state; Local history, growth of Ohio in population, political power, wealth and intelligence ...

Other articles where Stripping ratio is discussed: coal mining: Choosing a mining method: .calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal. Stripping ratios can also consider the selling price of coal, and a certain minimum profit can be added to the total cost of producing and.