Supplementary Material for Integrated Report 2018

Material Balance

The デュエルビッツ 評判el Group undertakes environmental management that takes the environment into consideration at every stage of its operations. As part of this approach, the Group continuously strives for greater energy efficiency; effective use of byproduct gases, waste heat, water and other resources; and the recycling of byproducts.

Resource and Energy Use at デュエルビッツ 評判el

Iron & Steel Business

At デュエルビッツ 評判el, 95 percent of the energy used is in the Iron & Steel Business. In fiscal 2017, this business unit used 11.43 million tons of iron ore; 6.08 million tons of coking coal and coke; 10PJ*1 of fuels such as coal, oil and city gas; and 610,000 MWh of purchased power. Nearly all of the byproduct gases—including coke oven gas, blast furnace gas and converter gas—derived from production processes are effectively reused as fuel for reheating steel or for use in in-house power plants. デュエルビッツ 評判el also proactively undertakes power generation that utilizes waste heat. Combined with the power generated from byproduct gases, over 60 percent of the power required by production processes is generated through energy recovery.

In addition, byproducts produced during production processes, such as iron and steel slag*2, dust and sludge, are also turned to effective use as raw materials in applications such as cement and roadbeds. Together with in-company reuse, 97 percent of the byproducts are recycled デュエルビッツ 評判is manner.

In the future, デュエルビッツ 評判el will continue to carry out environmentally friendly manufacturingpractices throughout all aspects of its operations, striving for more efficient use of resources and energy and advancing the development of new technologies to that end.

Resource and Energy Use デュエルビッツ 評判e Iron & Steel Business (Fiscal 2017)

Resource and Energy Use デュエルビッツ 評判e Iron & Steel Business

*Recycling ratio indicates the ratio of waste produced that is not consigned to landfills.

Welding Business

Using metal wire rods, hoops, fluxes, soluble glass and other raw materials, the Welding Business produces welding electrodes and welding wires. In fiscal 2017 the Fujisawa, Ibaraki, Saijo and Fukuchiyama plants used a total of 160,デュエルビッツ 評判ons of raw materials, 62,000 MWh of electricity, and 0.2 PJ of city gas and other fuels to manufacture 160,デュエルビッツ 評判ons of products. This generated 15,デュエルビッツ 評判ons of byproducts, of which 98 percent was successfully recycled.

Resource and Energy Use デュエルビッツ 評判e Welding Business (Fiscal 2017)

Input Output
Raw materials Products
Wire rods, hoops, fluxes, soluble glass, etc. 160,デュエルビッツ 評判 Welding rods, welding wires, etc. 160,デュエルビッツ 評判
Energy Byproducts
Purchased power 62,000 MWh Amount produced 15,デュエルビッツ 評判
City gas, etc. 0.2 PJ Recycling ratio* 98%

*Recycling ratio indicates the ratio of waste produced that is not consigned to landfills.

Aluminum & Copper Business

Using ingots and scrap as raw materials, the Aluminum & Copper Business produces a variety of aluminum and copper products. In fiscal 2017 the business unit used 490,デュエルビッツ 評判ons of raw materials, 520,000 MWh of electricity, and 4.2 PJ of city gas and other fuels to create 450,デュエルビッツ 評判ons of products.

During melting and casting, 32,デュエルビッツ 評判ons of byproducts, such as slag, dust and wastewater sludge, were produced. However, 97 percent of these byproducts were successfully recycled.

Resource and Energy Use デュエルビッツ 評判e Aluminum & Copper Business (Fiscal 2017)

Input Output
Raw materials Products
Aluminum ingots, copper ingots, etc. 490,デュエルビッツ 評判 Aluminum and copper products 450,デュエルビッツ 評判
Energy Byproducts
Purchased power 520,000 MWh Amount produced 32,デュエルビッツ 評判
City gas, etc. 4.2 PJ Recycling ratio* 97%

*Recycling ratio indicates the ratio of waste produced that is not consigned to landfills.

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