Hitachi Construction Machinery

Hitachi Construction Machinery Global
Hitachi Construction Machinery Global
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Izumi Recycling Environment Park in Izumi City, Osaka Prefecture was opened in 2001.
This vast park spans an area of approximately 76,000m2. Various flowers bloom year-round in the park, which is a place of relaxation visited by many people throughout the year.
Many people would be surprised to learn that this was once a final disposal site for industrial waste.
Daiei Kankyo conceived this park and now maintains it. Daiei Kankyo was founded in Izumi City in 1979 with the aim of managing the final disposal business.
At that time, responding to strong complaints from the local community who were upset that grass would no longer grow, Daiei Kankyo promised to regenerate retired landfill sites into relaxing spaces full of nature and return the spaces to the local communities. In 1980, the company received the first approval ever from Osaka Prefecture to establish a controlled final disposal site.
Since then, Daiei Kankyo has continued to grow as a company with the power to create better environments by developing businesses centered on waste management and recycling businesses. Currently, Daiei Kankyo is working on electricity generation such as biogas power generation for carbon neutrality and building local circular and ecological spheres. All of the company’s businesses are directly linked to solving social issues.

Recycling diversifying industrial waste into resources

- Operation of resource recycling businesses throughout Japan -

In Japan, about 53% of industrial waste is recycled. The biggest reason for the stagnation of the recycling rate is the diversification of materials.
Plastics are particularly difficult to recycle. For example, in the case of vinyl, there are many different types that require different disposal methods.
While collaborating with partner companies, conducting joint research with other research institutions, and cooperating with local governments, the Daiei Kankyo Group aims to realize a decarbonized society by combining material recycling, chemical recycling, and thermal recycling to perform more advanced and more efficient resource circulation according to each material. On the other hand, the final disposal site is also an indispensable type of capital for society. Daiei Kankyo is working from a long-term perspective which includes the construction, operation, and use of such sites after retirement.

RPF(*1) and plastic pallets recycled from waste RPF(*1) and plastic pallets recycled from waste
*1; “RPF” is a high-grade solid recovery fuel primarily composed of waste paper and waste plastics from mostly industrial waste for which material recycling is quite difficult.

Sharing know-how on disaster waste management in disaster-stricken areas

- Building communities that are resilient to disasters -

The Great Hanshin-Awaji Earthquake caused enormous damage in 1995. The earthquake generated an unprecedented amount of disaster waste. The piles of waste hindered efforts for recovery and reconstruction. Daiei Kankyo itself was located in the disaster area. In order to dispose of the disaster waste as soon as possible, the company took various measures such as procuring disaster waste disposal equipment that was not yet available in Japan at that time. Even so, it took three years to dispose of the disaster waste. The technology and know-how gained through this experience has been passed on by employees of Daiei Kankyo. Whenever a disaster occurs, the company dispatches its employees to dispose of disaster waste by working together with local business in the same industry and with residents. Furthermore, as preparation for normal times, Daiei Kankyo has entered into disaster waste disposal agreements with local governments throughout Japan and has established cooperative systems in the event that disaster waste is generated. In recent years, Daiei Kankyo has served as a consultant and received high praise for its support in improving the effectiveness of the disaster waste disposals plan formulated by each local government.

Nariyuki Ohta Senior Managing Director, Daiei Kankyo Co., Ltd.
Waste disposal is an essential part of society and is built on a relationship of trust with local residents and other stakeholders. In order to increase the recycling rate of diversified wastes, we believe that the significance of our business is to continually innovate while incorporating new technologies and values, and to give back to society.

Aiming to create new renewable energy

Aiming to achieve carbon neutrality by 2050, Daiei Kankyo is collaborating with partner companies to create new renewable energy, recycle waste plastics and improve the efficiency of energy recovery from waste. The company’s stance of implementing various measures in the process of “aiming for zero organic waste for final disposal” conveys its strong belief in a sustainable future. Daiei Kankyo has its own selection criteria for construction machinery used at disposal sites, such as environmental performance and productivity, but also respects and incorporates the opinions of machine operators regarding aspects such as comfort and ease of operation. Based on the CO2 emissions of machinery obtained from the service solution ConSite provided by Hitachi Construction Machinery, they improve work and use machinery data to ensure that maintenance is performed at the appropriate timing. Our machinery is trusted to function at sites where it is necessary to work continuously without stopping. By providing our products and solutions, Hitachi Construction Machinery is working to realize a sustainable society together with Daiei Kankyo, which is taking on the challenge of creating new value by changing the form of waste disposal and resource recycling.