mining processes energy intensity benchmarks

mining processes energy intensity benchmarks

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energy end-use: industry - iiasa

energy end-use: industry chapter 8 518 8.1 introduction the industrial sector is an important end-use sector since all industrial processes require energy for the conversion of materials into desired products. the objective of this chapter is to assess the end-use effi-ciency of different industrial processes and systems. earlier assessments

best practice and benchmarking for eco-efficient comminution

despite calls for industry benchmarks the mineral processing industry does not commonly measure and compare its energy intensity. historically the concept of energy benchmarking has been challenged citing the inconsistencies of grind size ore characteristics flow sheet design and multiple other factors that are unique to each orebody.

greenhouse gases and energy intensity of granite rock

intensity of ghgs in various industries including mining and mineral processing. therefore the aims of this study were to quantify both ghgs and energy intensity of the mining of an industrial rock-construction in thailand and also identify potential options to reduce its carbon emissions.

building energy benchmarking program | california energy

jun 01 2019 0183; 32;the building energy benchmarking program requires owners of large commercial and multifamily buildings to report energy use to the california energy commission by june 1 annually. data to better understand energy use in commercial properties is available on the public disclosure dashboard. data for multifamily buildings will be released fall 2020.

energy benchmarking - natural resources canada

uses a thermal leaching processwhich is more energy intensive.a list of potash operations in canada and a brief descrip-tion of each is provided in table 1. energy benchmarking: canadian potash production facilities 6 section 1: potash industry energy consumption company location type of energy intensity production capacity operation (tonnes k

fact sheet energy use in the steel industry

• energy is also consumed indirectly for the mining preparation and transportation of materials. in the blast furnace-basic oxygen furnace (bf-bof) route this accounts for about 9% of the total energy required to produce the steel including material extraction and steel production processes.

benchmarking guides | natural resources canada

benchmarking energy intensity in the canadian steel industry. this study provides background information on energy use in canada's steel sector describes the methodology used to develop and apply energy-intensity benchmarks and to establish technology penetration.

analysis of greenhouse gas emissions from

ever few data coming from life-cycle databases (for example energy con-sumption in mining process and transportation of oil shale) apply to the period 2006–2010. a scheme of the direct lca system boundary of the researched model as well as the carbon intensity values calculated for shale oil include the pro-

mining & water risk: diagnosis benchmarking and

water and mining. declining ore grades lead to more water use and cost. increases in water use efficiency and water re-use as well as the use of renewable energy sources are changing the use and cost spectrum. these costs and the associated carbon footprint are assessed and disclosed by the major mining companies.

mining and refining – energy efficiency

the greenhouse gas emissions from alumina production are predominantly related to fuel combustion; therefore improved energy efficiency along with fuel switching where viable and appropriate is the primary means of reducing the greenhouse gas intensity of refining processes which currently stands at around 1 tonne of co 2 e per tonne of

mining processes energy intensity benchmarks

mining and quarrying in india contribute about 1.7% of the industrial energy usage [3]. benchmarking energy efficiency is a technical tool for comparing the energy consumption of process equipment industrial units and buildings etc. energy benchmarking is gaining importance due to . energy intensity in industry – aiguasol

best practice and benchmarking for eco-efficient

despite calls for industry benchmarks the mineral processing industry does not commonly measure and compare its energy intensity. historically the concept of energy benchmarking has been challenged citing the inconsistencies of grind size ore characteristics flow sheet design and multiple other factors that are unique to each orebody.

energy use in metal production - publications.csiro.au

energy use in metal production . process science and engineering australia. keywords: metals embodied energy primary metals recycling greenhouse. energy is consumed at all stages in the production of primary metals – mining beneficiation and chemical extraction – directly in the processes and indirectly through the production of

industrial sector energy consumption

energy is used in the industrial sector for a wide range of purposes such as process and assembly steam and cogeneration process heating and cooling and lighting heating and air conditioning for buildings. industrial sector energy consumption also

icmm & setting a benchmark for energy performance and

setting a benchmark for energy performance and carbon management in the mining industry. gold mining and energy use . gold mining is a highly energy intensive process. the depth at which gold is found requires increased hauling distances power for cooling and ventilation services and increased energy use due to declining ore grades.

appendix a: additions and amendments to product-based

ghg benchmark = in the energy-based approach the benchmark is a function of how many ghgs are emitted to produce the energy that is used at a facility. a generic form of an energy-based benchmark is shown in . equation 2. an energy-based benchmark is based on: 1) boiler efficiency which is set at 85 percent and 2) fuel choice set at natural gas.

end use energy intensity in the australian economy

end use energy intensity in the australian economy abare–brs 10.08 3 decomposing changes in energy consumption 3 4 scope of the report 4 5 trends in energy–gdp ratio in australia 8 6 trends in composite energy intensity indicators in the australian economy 9 7 energy consumption in the manufacturing sector 12

u.s. mining industry energy bandwidth study

energy – in 2002 the mining industry spent $3.2 billion on energy or 21% of the total cost of its supplies (not including labor).5 given the large role mining industry plays in the u.s. economy and the energy intensity of the mining processes tapping into the potential for energy savings

appendix b: development of product benchmarks for

in developing product-based benchmarks staff attempted to create a uniform framework that could be applied across all industrial products facing a leakage risk. this process involved three steps: (1) selecting appropriate industrial products (2) examining emissions and expected carbon costs and (3) setting benchmark stringency.

digitalisation setting new benchmarks in mine productivity

nov 02 2016 0183; 32;today modern technology opens up new ways to set new benchmarks in productivity. leading mining companies all over the world rely on state-of-the-art automation energy and drilling systems to increase mining intensity with reduced personnel and energy costs.

(pdf) a new method for energy benchmarking of mineral

as a step towards the establishment of an accurate framework for benchmarking the energy consumption of mining operations comminution one of the more energy intensive mining sub-processes was

greenhouse gases and energy intensity of granite rock

abstract. this paper is aimed to systematically assess greenhouse gases (ghgs) and energy intensity of the granite rock mining operations in thailand and also identify a range of

authors - uq espace

benchmarking comminution energy consumption for the processing of copper and gold ores. minerals engineering 65 109-114. the energy consumed through comminution is quantified using a number of different bases. it is most commonly reported as the specific energy per tonne of material processed (kwh/t). however it

renewable energy in the australian mining sector

renewable energy in the australian mining sector 5 the mining sector’s long-term energy intensity is predicted to increase as the average ore grade falls and overburden increases – the average grade has halved and overburden doubled over the last 30 years6. the distinction between energy –

(pdf) benchmarking comminution energy consumption for the

pdf | a survey of the comminution energy requirements of gold and copper producing mines has been conducted to provide reliable benchmarking data which can be used to compare comminution energy

digitalisation setting new benchmarks in mine productivity

nov 02 2016 0183; 32;today modern technology opens up new ways to set new benchmarks in productivity. leading mining companies all over the world rely on state-of-the-art automation energy and drilling systems to increase mining intensity with reduced personnel and energy

improving mining intensity - ausimm bulletin

this article is regarding improving mining intensity a factor that significantly impacts capital investment intensity and increases productivity. context. mining intensity is the rate at which we utilise our resources (people equipment and production work places) to mine a stope as quickly as feasible.

building energy use benchmarking | department of energy

it facilitates energy accounting comparing a facility's energy use to similar facilities to assess opportunities for improvement and quantifying/verifying energy savings. commercial building energy performance benchmarking is a foundational element of an organization's energy management strategy because you can't manage what you don't measure.

list of countries by energy intensity - wikipedia

the energy intensity is the ratio of primary energy consumption over gross domestic product measured in constant us $ at purchasing power parities. in 2009 energy intensity in oecd countries remained stable at 0.15 koe/$05p with 0.12 koe/$05p in both the european union and japan and 0.17 koe/$05p in the usa.

development of disaggregated energy use and greenhouse gas

the process-level energy use and ghg emissions flow from source to end use were mapped for each sector and province using sankey diagrams for the year 2016. this study identified the provincial energy use and ghg emissions in the iron gold and potash mining sectors. newfoundland had 56% and quebec had 44% of the iron mining energy demand.

capacity building in energy efficiency and renewable energy

determine both current and possible future benchmarks and discuss policy objectives associated with energy efficiency. the focus of industry in south africa has shifted from mining to energy intensive manufacturing processes. the major contributors to gdp in south africa are the iron and steel and chemical

a new method for energy benchmarking of mineral

abstract. energy benchmarking is widely applied across industries to determine the potential to improve energy performance. unlike the many technologies for which energy benchmarks and efficiency rating systems are already in maturity benchmarking of mining processes

development of an integrated energy benchmark for a multi

applied energy. volume 179 1 october 2016 pages 1048-1061. development of an integrated energy benchmark for a multi-family housing complex using district heating. author links open overlay panel jaewook jeong taehoon hong changyoon ji jimin kim

benchmarking energy efficiency – a study at

the principal objective of the benchmarking study was to determine wbp with respect to energy intensity (consumption per unit of output) and compare wbp with macraes plant operation. the study considered the energy efficiency of the individual unit processes in the plant in order to gain a

california’s cement industry

benchmarks the energy use and co 2 emissions intensity benchmarking 25 5. conclusions 28 references 29 appendices 31 appendix 1. list of acronyms 31 appendix 2. list of figures 32 production processes. mining and quarrying the most common material used for cement production is limestone. in most cases these

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