Page 91 - SD RATCH EN

Type of waste and waste management methods
Reused and recycled wastes (92.05%)
Eliminated wastes (7.95%)
RATCH Group PCL.
Sustainability Report 2020
91
Management methods
Type of waste
Volume (Ton)
Disposal method
Hazardous waste;
used lubricants, discarded lead-batteries
Non hazardous waste;
gypsum
80.08 (1.90%)
3,975.28 (90.15%)
• Shipment for recycle process by authorized service provider
• Monitoring the handling Hazardous Waste Manifest system
• Store it in the gypsum HPDE liner pond waiting for shipment for gypsum broad production.
• Monitoring the handling Hazardous Waste Manifest system
Hazardous waste;
unusable fluorescent light bulbs, furnace slag, chemical-contaminated oil, water- contaminated oil
Hazardous waste;
oil/chemical contaminated packaging, spray cans, discarded electric equipment
273.78 (6.50%)
3.54 (0.08%)
• Hire authorized-work handlers to turn waste to fuel for reuse or eliminate it in accredited incinerators for hazardous waste.
• Monitoring the handling Hazardous Waste Manifest system
• Hire authorized-work handlers to handle waste stabilization and solidification before proceeding secure landfill
• Monitoring the handling Hazardous Waste Manifest system
Non hazardous waste;
filters, fiber glass
57.43 (1.36%)
• Hire waste handlers to handle sanitary landfills under non-Hazardous waste method
• Monitoring the handling Non-Hazardous Waste Manifest
Utilization of Ratchaburi Power Plant’s used gypsum
In 2020, Ratchaburi Power Plant continually utilized gypsum, a by-product from desulfurization stored at the gypsum pond. In cooperation with Knauf Gypsum (Thailand) Company Limited, the power plant manufactured gypsum boards from the gypsum and delivered the gypsum boards to communities around the power plant.
Knauf Gypsum (Thailand) Company Limited
Contracted supplier
Type of waste
Utilization method
Volume utilized in 2020
Gypsum (from desulfurization process) stored in the Ratchaburi power plant’s gypsum pond
Use gypsum in gypsum board manufacturing
3,975.28 tons