Technology:
The measuring
method of CO2 emissions that Japan
proposed under the initiative of the Japan Iron and Steel Federation (JISF) was
approved by International Organization for Standardization (ISO) as a new
standard. The new standard, ISO14404, specifies the calculation method of CO2
emissions by steel plant and figures in energy-saving facilities that generate electricity
using waste heat and by-product gases emitted by blast furnace as the subject
for measurement. Currently, it is widespread in Europe
to measure CO2 emission by facility, such as blast furnace, converter, and coke
oven, but the method to measure by facility cannot consider fully the efforts
to introduce energy-saving facilities inside a steel plant. That is, the
European model does not take energy saved by effective utilization of newly-introduced facilities
into account.
Japan submitted its self-developed calculation
method to ISO in 2009, and the Japanese method was finally approved this year. It
is evaluated highly because the effect of energy-saving facilities can be
calculated easily. With the Japanese method in mind, Japanese steelmakers are
proposing the generation facilities that utilize waste heat to
newly-industrialized countries like India. It is highly likely that measuring CO2 emissions by facility will stimulate demand for energy-saving
technology in steelmaking worldwide.
The Japanese method to measure
CO2 emissions was approved by ISO.
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