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Daiseki and the Environment

Environmental Policy

Fundamental Principles

The Daiseki Group understands the specific guidelines of, and the spirit behind, the Sustainable Development Goals (SDGs) adopted by the United Nations based on its own management principles; "ideas," "plans," "structures" and "actions." Guided by this understanding, we will aim to become the number one recycling company in Asia by continuing our work as a habitat-creating company that contributes to society through the environment.

Basic Policy

Daiseki is engaged in the collection, transport and intermediate treatment of industrial waste and the manufacture and sale of petroleum products such as concrete mold lubricant and industrial lubrication oil.
Our policies are as follows:

  1. Aim to save limited resources and energy as well as pursue waste minimization throughout our corporate activities
  2. Continually advance technology related to intermediate treatment and recycling to better contribute to a recycling‐oriented society
  3. Strive to make the intermediate treatment and transport of waste materials more effective and safer; reduce the environmental impact of our activities; and prevent environmental pollution
  4. Comply with all relevant laws and other standards concerning the environment

We are committed to the environmental objectives and targets indicated above and review them periodically with the aim of continual improvement.

Employees all receive instruction on these policies within our offices. All employees are also provided with education and training to familiarize them with these policies, which we provide publicly upon request.

(Formulated in 2006)

Impact of Business Activities on the Environment

We cannot expect to completely do away with environmental impacts through sustained business activities. Recognizing this, Daiseki strives to clearly recognize the positive and negative factors surrounding its operations, reducing negative environmental impacts and increasing positive factors as much as possible.

Significant Environmental Impacts

Significant Environmental Impacts

Reducing Residues Generated by Waste Treatment Processes

Minimizing Odors from Waste

Environmental Management

Based on our Environmental Policy, we have created an environmental management system that conforms with ISO 14001:2004, under which all our bases—including headquarters and our six works—have received integrated certification. All employees are associated with registered works that have ISO 14001 certification.
Among Group companies, all facilities (all employees) of Daiseki Eco. Solution Co., Ltd., hold ISO 14001 certification, as does one plant at Daiseki MCR Co., Ltd. Furthermore, in August 2010, Hokuriku Daiseki Co., Ltd., obtained Eco-Action 21*1 certification.

*1 Eco-Action 21: An abbreviation for the environmental management system formulated by the Ministry of the Environment with a view to being easier to adopt for small and medium-sized companies.

Environmental Management System

The president has ultimate responsibility for this system. A director acts as the person in overall charge of environmental management, and the heads of each works serves as an environmental manager.

Environmental Management System

Reducing Residues Generated by Waste Treatment Processes

Concentrating on the development of new recycling technologies

Concentrating on the development of
new recycling technologies

Being a company whose business is waste treatment and conversion to recycled resources, our efforts to boost recycling rates directly affect the development of a recycling-oriented society. Based on the Company philosophy of making the best use of limited resources, we have no incinerators and we convert waste to recycled resources whenever possible. Accordingly, we have raised our recycling rate to around 90%. Waste does not necessarily have a set physical property. Furthermore, technological innovation spurs industrial advances, but at the same time leads to increasingly complex and sophisticated waste content. By employing advanced analysis technology, we work to boost recycling rates and concentrate on developing new recycling technologies that meet the needs both of companies that emit waste and those that use the resulting resources.
One aspect of these activities is our companywide Resource Collection Project Initiative, which emphasizes recovering useful metals and chemical substances from waste and converting them to recycled resources.

Treatment and Recycling of Industrial Waste

Minimizing Odors from Waste

The open Kansai Works, without any surrounding fences

The open Kansai Works,
without any surrounding fences

Our efforts to minimize the sources of odors include measures for arriving waste, sealing off equipment and installing deodorizing equipment. We regularly patrol each of our works for odors and work to ensure that bad odors are not generated. Some works also enter into community agreements on pollution prevention and measure odor levels regularly.
Odors and noises are sometimes referred to as “sensory nuisances.” In addition to expanding our application of odor-fighting equipment, we conduct plant tours and odor monitoring sessions as part of our efforts to foster an atmosphere in which local residents can speak openly with us. In recent years, such communication led us to erect a chain link fence around the Kansai Works in place of a solid wall separating it from the rest of the community. This openness is emblematic of the trust-based relationship we enjoy with the neighboring community.

Measures for Arriving Waste

When dealing with waste that is particularly odiferous upon arrival, we apply deodorizers during handling and acceptance. We are also considering measures that can be introduced at the customer storage stage, such as adjusting the waste’s pH (concentration of hydrogen ions) and adding deodorizers to reduce odors during handling.

Sealing Off Equipment

Placing the lid on a biological treatment tank for activated sludge

Placing the lid on a biological treatment tank
for activated sludge (Hokuriku Works)

We are promoting the sealing off and addition of shutters to equipment deemed likely to emit odors.
At the Hokuriku Works, we have fitted a lid to our biological treatment tanks for activated sludge, simultaneously improving the aeration tube as an energy-saving measure. This move delivered more positive outcomes than we had hoped for. We eliminated the need for two blowers (the air blower and biological treatment tank aerator), thereby saving energy, also reducing noise, decreasing odor and minimizing bubbling, which lowered our need for antifoaming agents.

Installing Deodorization Equipment

Deodorization equipment (Nagoya Works)

Deodorization equipment (Nagoya Works)

We have installed deodorizing equipment at all our facilities according to the types and degree of odors present to collect and treat odors that are generated despite our best efforts. The odors that waste produces are endlessly varied. Ammonia and other water-soluble gases can be remediated with scrubbers, whereas activated charcoal adsorption and combustion are effective ways to remove oil mist and solvent odors. At present, combustion deodorizers are considered the most broadly effective means for gases, but we are gathering information about breaking technologies and considering a variety of other methods as well. For instance, we are trialing the use of an acid scrubber to recover ammonia—a source of odor—and selling the resulting ammonium sulfate (effective use).