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copper consumption
The kinetics of cementation reaction and copper dissolution and mechanism of copper consumption were studied.
      
The results indicated that the rate of cementation reaction and copper consumption were markedly increased with the increase of temperature.
      
For the same cementation recovery of silver, copper consumption at elevated temperature was much higher than that at ambient temperature.
      
Cementation rate and copper consumption rate also increased with the increase of stirring velocity, while copper consumption at different stirring velocity for the same recovery of silver was almost not different.
      
Studies on the chemical mechanism of copper consumption showed that Fe3+ and residual leaching additive RH in the solution were the main factors that caused extra copper consumption in acidic solutions.
      
The long-term copper consumption stock is greater than the short-term stock.
      
Among the various factors examined, an index of rising standards of living is the most significant factors explaining growth of copper consumption.
      
Copper consumption increased because demand from the construction, electrical appliances, and power sectors increased.
      
Copper consumption increased because demand from the construction, electrical appliance, and power sectors increased.
      
During the past 5 years, copper consumption in China increased by an average of more than 10% per year.
      
In 2003, China's copper consumption was estimated to be 3.0 Mt.
      
The growth in China's copper consumption has been outstanding in the last years, jumping from 1.4 millions of tons in 1998 to 2.7 millions in 2002.
      
 

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