energy requirement for sx process for copper

Chapter 7 Energy Use in the Copper Industry

1996-11-20 · Energy Requirements in Proven and New Copper Processes,re- port prepared for the U.S. Department of Energy, contract no, EM-78-S-07-1 743, December 1980. The hypothetical open-pit mine described in table 7-2 uses an average of 20 million Btu of energy per ton of cathode copper produced, or about 21 percent of the energy consumed in pro-

SUBSTATION DESIGN CRITERIA DOCUMENT

2019-9-27 · NextEra Energy June 2019 East Point Revision 0 Substation Design Criteria Page 4 of 8 Electrical Clearances Yard Clearances The substation shall be designed to provide at a minimum, the yard clearances and spacing in Table 1-1. Equipment spacing shall …

How Hydrometallurgy and the SX/EW Process Made …

1996-11-20 · Energy Requirements in Proven and New Copper Processes,re- port prepared for the U.S. Department of Energy, contract no, EM-78-S-07-1 743, December 1980. The hypothetical open-pit mine described in table 7-2 uses an average of 20 million Btu of energy per ton of cathode copper produced, or about 21 percent of the energy consumed in pro-

Solvent Extraction & Electrowinning (SX/EW) Plant Design

2015-11-8 · Copper was extracted on asphalt-lined leach pads and recovered in the first solvent extraction and electrowinning (SX/EW) plant in Latin America. Production capacity was 33,000 metric tonnes per year (mtpy) of high purity copper cathodes. At the time, …

Maintenance Manager (SX / EW / Process Plant / Copper ...

2017-4-25 · Requirements: Mechanical Trade Test, Diploma or Degree. 8 years'' experience in maintenance management for fixed plant within the mining industry. 5 years'' experience in copper mining environments including crushing, washing, heap …

Hydrometallurgical Processing

2014-1-1 · Copper SX. SX is a process where copper is extracted and concentration from aqueous solutions (e.g., PLS) using an organic medium. The PLS is derived from heap or stockpile leaching. Copper is extracted from the aqueous phase into an organic liquid phase. The copper is then stripped from the organic phase, into a different aqueous solution.

Chapter 6 Copper Production Technology

1996-11-20 · Chapter 6 Copper Production Technology The last boomin technological innovation for the copper industry occurred in the first two dec-ades of this century, whenopen pit mining, flo- tation concentration,and the reverberatory

Current Energy Requirements in the Copper Producing ...

2013-12-20 · An analysis of energy usage in the production of refined cathode copper was made from mining ore to cathode copper. In mining copper ore the greatest energy consumers are ore hauling and blasting. Another important factor is the "recovery efficiency" of the metallurgical processes used to extract the copper. The mining and mineral concentrating energies are directly proportional to the ...

BACKGROUND REPORT PRIMARY COPPER SMELTING …

2021-6-25 · Section 12.3 Primary Copper Smelting . Including the introduction (Chapter 1), this report contains four chapters. Chapter 2 gives a description of the secondary copper industry. It includes a characterization of the industry, an overview of the different process types, a description of emissions, and a description of the

Extractive Metallurgy of Copper | ScienceDirect

The SX process consists of extracting Cu 2+ from aqueous PLS into a copper specific organic extractant, separating the aqueous and organic phases by gravity, and then stripping Cu 2+ from the organic extractant into high-H 2 SO 4 electrolyte returned from the EW circuit. The process is continuous and is carried out in large Mixer-settlers.

What Type of PCB Substrate Material Is Right for Your PCB ...

Additionally, standard copper foil doesn''t work when the value of L and S of board is less than 20μm. Finally, ultra-thin copper foil is advised due to its copper thickness regulated within the range from 3μm to 5μm. Apart from thickness of copper foil, current fine circuit also lays requirement of low roughness copper foil surface.

ENERGY ANALYSIS IN THE EXTRUSION OF PLASTICS.

2012-11-12 · 1. To analyze the total heat exchange during an extrusion process (calculating the total energy input versus energy output after the process). 2. To calculate the waste energy released during cooling process from the extrud-er. 3. To suggest a method in which this waste energy produced during cooling can be reused for different purpose.

Solvent Extraction of Cobalt SX

2017-7-6 · A series of tests were made to define the kinetics of: (1) cobalt (II) extraction with XI-51 solvent, (2) NH3 removal from the loaded solvent by H2O- (NH4)2SO4 washing, and (3) the stripping of cobalt from the loaded solvent. These tests were …

Energy Efficiency & Copper Hydrometallurgy

2020-8-20 · Energy Consumption For Copper Extraction Process Route Total Energy Consumption2 (kJ/lb) % Reduction Crush, heap leach, SX, EW (Base case) - with alternative anodes - with ferrous/ferric reaction 15,449 14,966 13,835 -3.2% 10.5% SAG mill, ball mill, float, smelt, refine (Base case) HPGR, ball mill, float, smelt, refine

SX-EW (solvent extraction and electrowinning) | KGHM ...

2021-11-1 · SX-EW technology involves leaching (the process of dissolving useful ingredients with a solution) in atmospheric conditions of copper ore heaps by means of diluted sulphuric acid. Folowing leaching, the pregnant leaching solution is transported via a drainage system to the next stage. In an SX-EW reactor, the first process to take place is solvent extraction, which involves setting and ...

2. Energy consumption

2021-2-17 · Range of process energy requirement (GJ/m 3) Sawntimber (air-dried) 0.06 - 0.20 Sawntimber (kiln-dried) 1.00 - 2.85 Plywood 4.00 - 7.50 Particleboard 2.00 - 4.50 However, the average specific energy requirements of typical plants which are well run and maintained, may be generally represented in Table 6. ...

SX/EW growth

2015-4-24 · electrolytic copper Grade A and 50,000 t/y SHG zinc cathodes. Comminution achieves a size of minus 20 mm. The ore passes to agglomeration and then is sent to heap leaching. Sulphuric acid is added to keep the pH optimum. The pregnant solution from heap leaching is subjected first to copper SX and EW to recover the copper and second to zinc SX

Energy Use in Metal Production

Energy Use in Metal Production . John Rankin. CSIRO, Process Science and Engineering, Australia. Keywords: metals, embodied energy, primary metals, recycling, greenhouse. ... Copper 8pyro 80 15.6 6.13 x 1033.0 3.25 6.0 x 107 0.21 hydro 20 64.5 6.16 Nickel pyro ...

1 Fundamentals of Energy Analysis of Dryers

2011-11-8 · 3) Additional energy demands: power for solids transport, vacuum pumps and air fans. These will now be illustrated by a detailed practical example. 1.3.3 Evaluation of Energy Inefficiencies and Losses: Example Assume a continuous process with a flowrate 1kgs 1 of dry solid, being dried from

Estimates of Electricity Requirements for the Recovery of ...

2011-9-27 · Estimates of Electricity Requirements for the Recovery of Mineral Commodities, with Examples ... Ground ore is directed to a series of froth flotation cells in which hydrophobic copper sulfides ... Energy joule (J) 0.0000002 kilowatthour (kWh) gigajoule (GJ) 277.8 kilowatthour (kWh)

ASX Energy | ASX Energy

2021-10-29 · ASX Energy. Industry Links; Terms of Use; Our Products. Intro to the Australian Electricity Physical Market; Australian Electricity Derivatives; New Zealand ...

Embodied Energy Calculations within Life Cycle Analysis …

2014-7-1 · Domestic energy consumption is summarised below in Table 1 and shows clearly that residential demand (the operational energy component of residential life cycle analysis) accounts for 9% of total energy requirement. Similarly, Table 2, from a separate source shows that two years earlier the residential demand was 14% of total

Thai Industrial Standards Institute (TISI)

2017-6-28 · Thai Industrial Standards Institute (TISI) L i s t o f C o m p u l s o r y S t a n d a r d s. Civil and construction material. 1. TIS 15 Part 1-2555 (2012) Portland cement Part 1 Specification. Effective Date : May 3, 2014. Download FullText.

Estimation of Energy Requirements and Atmospheric …

Estimation of Energy Requirements and Atmospheric Emission in Continuous Casting Process for Copper Wire p.3329. Physico-Chemical Approach for the Ecomaterialization of Steelmaking Slags p.3335. Production of Fine Uniform Lead-Free Solder Powders by Hybrid Atomization ...

Leaching of Copper Sulphides

2016-6-8 · The technology should be suitable for retrofits, e.g., the conversion of a copper heap leach, solvent extraction (SX) and electrowinning (EW) facility once the oxide and transition material is exhausted (Valkama, 2013). Throughout this paper, ''copper sulphides'' describes both mixed copper–iron sulphides, such as

Theoretical Minimum Energies To ...

2013-11-5 · • Only energy directly used in the process is considered. • Energy to produce materials such as alloys, oxygen, refractories, and electrodes is excluded. • Energy loss in producing and transmitting electrical energy is excluded in initial energy calculations. It is considered for CO 2 emissions. • Energy and heat losses are excluded.

In-situ Copper Recovery in Florence, AZ

The ISCR process occurs from 400 to 1,200 feet below ground in a bedrock layer beneath the lower aquifer unit where drinking water supplies are withdrawn. The in-situ process uses a mild mixture of 99.5% water and 0.5% sulfuric acid that slowly dissolves copper in the bedrock. This diluted solution, which is the same acidic strength as common ...

How Hydrometallurgy and the SX/EW Process Made Copper t…

SX-EW (solvent extraction and electrowinning) | KGHM ...

Electrorefining of Copper

2007-6-21 · in water (e.g. refining of copper via Cu+ would almost halve the energy requirement). However, aqueous processes presently predominate due to their ease of handling, more developed chemistry and familiarity with aqueous process liquors and electrolytes. Aqueous electrorefining — The conditions used for the refining of five metals are