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Technology

Environmental

The interest in global environmental preservation issues such as global warming due to greenhouse gases is increasing. Aiming to achieve harmony between energy and environment, Chiyoda has been offering environmental preservation technologies since its foundation. In addition to offering licensed technologies, Chiyoda has been active in developing its own technologies in the fields of air pollution control and water purification, and has delivered these technologies to various clients as environmental pollution control technologies. Continuing in this spirit, Chiyoda is developing new technologies and improving existing technologies.

Chiyoda’s Own Environmental Technologies

Flue Gas Treatment Technology (Flue Gas Desulfurization and Denitration Technologies):

Flue gas desulfurization and denitration technologies are environmental technologies for removing sulfur oxide (SOX) and nitrogen oxide (NOX) from flue gases resulting from fossil fuel combustion.

  • Chiyoda CT-121 Flue Gas Desulfurization Plant
    Chiyoda has so far constructed many flue gas desulfurization plants for large-scale coal-fired power plants. In Japan, Chiyoda offers EPC (Engineering, Procurement, and Construction) services, and in overseas countries, licenses the technology to local licensees.
Wastewater Treatment Technology:

Wastewater treatment systems are comprehensive systems that logically combine various components to remove impurities, such as oil, organic matter, and minerals from wastewater and achieve the required water quality. In recent years, more and more wastewater treatment systems reuse treated wastewater to compensate for the shortage of water. Chiyoda has been engaged in the design and construction of industrial water treatment facilities for various plants and wastewater treatment facilities for many years. Chiyoda has so far constructed a few hundred of facilities in Japan and in overseas countries, contributing to global environmental preservation.