The Sustainable Energy Service Company
(ESCO) Experience At DIC Corporation
Author(s)
Y. Ishida, M. Bannai, K. Ishimaru, R. Yokoyama, S. Nakazawa
& H. Yunoue
Abstract
An ink manufacturing company in Japan is focused on reducing its energy
consumption and CO2 emissions. This paper describes energy supply systems
that have been applied to actual plants in recent years. We have planned and
installed new sustainable systems that combine heat and power (CHP) facilities
driven by biomass fuel with large-scale wind power facilities. In our biomass
boiler and steam turbine system, the boiler produces high-pressure steam to drive
the extraction and condensing steam turbine. The steam turbine generates power
(electricity) and heat (process steam) simultaneously. The ratio of heat and
power can be controlled according to factory energy demand. We have also built
a wind power plant capable of generating total power of 4 MW. An ink factory
consumes all the power internally generated by the wind power plant, except that
exceeding factory demand. In this way, we plan to reduce the CO2 emission rate.
These facilities will be able to reduce our previous use of fossil fuels by 65%,
and consequently reduce CO2 emissions by 75%. This paper also introduces the
content of our project, subsequent effects and evaluation results.
Keywords: energy saving, CO2 emission, energy service company, biomass, wind
turbine.
Keywords
energy saving, CO2 emission, energy service company, biomass, windturbine
Related Book
Other papers in this volume
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