Significance

A conservation and valuable utilization of resources is the best practice guideline to minimize wastes from operations. It can also reduce the waste disposal costs arisen as well.  For the thermal power business, aside from non-hazardous and hazardous wastes generated, there are also by-products created from fuel combustions and air quality treatment processes, including ashes and gypsums.  Both ashes and gypsums can be utilized and added values by selling them as mixtures of construction materials. Additionally, the spillage or improper disposal of hazardous wastes possibly has an impact on the environment and surrounding communities.

Management Approach

BPP has managed its wastes under the environmental policy, using the 3Rs principles, including Reduce, Reuse, and Recycle.  The aim is to achieve a target of zero hazardous waste to landfill and operating in accordance with best the practice standards and legal compliance of each country.

As a result, wastes from the CHP plants have been classified into three types: hazardous wastes. non-hazardous wastes, ashes and gypsums.   The waste management guidelines can be summarized as follows:

Waste Type	Example	Management Approach
Non-hazardous wastes	Papers and office equipment Metal scraps materials and equipment as well as packaging. Household wastes Organic wastes generated from tree trimmings and mowing in the area	Consumption reduction Storage and classification for reuse and recycling.
Hazardous wastes	Used oils, lubricants Used batteries Chemicals used to improve water quality and other chemicals including packaging	Decreasing consumption Looking for opportunities to transforming hazardous wastes to those able to be treated and reused better. A reduction of packaging usages by transporting and installing hazardous wastes in the chemical storage tanks. Storing and classifying wastes for reuse and recycling. Defining measures to prevent and handle waste leakages in the event of emergency. Transportation, disposals and sales for recycling must comply with the standards required by laws. Delivering wastes for disposal by the certified external parties.
Ashes and gypsums	Fly ashes Bottom ashes Synthetic gypsums	Separating fly ash sizes corresponding to the customers’ needs and the market demand. Exploring the market to sell fly ashes, bottom ashes and gypsums for utilization such as construction materials.

Waste Management System

Waste Management Policy

Performance

• A zero hazardous waste to landfill.
• Proportion of fly ashes eliminated by reuse or recycling equivalent to 100%.
• Proportion of synthetic gypsums reused or recycled equally to 100%.