Rengo to install new biomass boiler to generate power at its Tonegawa paperboard mill, folding carton plant in Bando-shi, Japan; boiler will use woodchips, waste, scrap tires as fuel, reducing mill's emissions by approximately 90,000 tons of CO2 per year

August 8, 2022 (press release) –

Rengo Co., Ltd. announces that it will install a new biomass boiler for power generation at Tonegawa Division (Bando-shi, Ibaraki Prefecture) to promote alternative fuel sources, which is one of the measures toward CO2 reduction stated as an environmental target. Scheduled to commence operation in October 2022, this will be Rengo’s second biomass boiler, following the one in Yashio Mill.

Comprising a paper mill and a folding carton plant, Tonegawa Division is one of Rengo’s core divisions, which produces approximately 350,000 tons of paperboard each year and prints and converts lines of folding cartons such as a variety of processed paper and multi-packs.

The new biomass boiler is a power generation facility that utilizes materials such as woodchips derived from construction waste in the Tokyo metropolitan area, RPF*, and scrap tires as its main fuel source. Tonegawa Division changed its fuel source from heavy oil to LNG in 2007. By switching to renewable energy using this biomass boiler, a reduction of approximately 90,000 tons of CO2 emissions is expected each year.
Rengo will continue to promote fuel conversion, particularly in paper mills, which emit a lot of CO2, and actively undertake initiatives toward reducing environmental impact.

* RPF (Refuse Paper and Plastic Fuel): a solid fuel primarily composed of recovered paper and waste plastics, which are fairly difficult to recycle among industrial wastes.

Overview of the biomass boiler

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