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| Glow Group is committed to maintaining prudent standards on the Environment, Occupational Health and Safety (EH&S) Management System including the Corporate Social Responsibility (CSR) to local communities, interested parties and government authorities. |
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| Glow Group is one of the world’s most efficient and environmentally friendly power plants. Operations will always meet the required local statutory environmental limits as well as the most stringent international regulations.
Advanced and proven emission control system with highly sophisticated supercritical technology will be used on the new expansion projects. These will decrease emission levels of nitrogen dioxide (NOx), sulfur dioxide (SO2) and dust to meet Thai environmental standards and to insure quality of life for the local people. |
 ISO 14001 MANAGEMENT SYSTEM
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Glow Group takes into account the importance of the Environment, Health and Safety (EH&S) Management and regards it as the first priority for its operation. In 2000, Glow Energy Public Company Limited has been accredited on the Environmental Management System or ISO 14001 from the third party and it has maintained such management standard on continued basis until the present time. Later in 2007, the power plants of Glow Phase 1, Glow Phase 2, Glow Phase 3 and Glow IPP have followed the ISO 14001 management system. The operational procedures have been developed from Glow Energy Public Company Limited to be used within those power plants, which have achieved the ISO 14001 management system targets within the same year under the internal audit supervision of the Internal Audit Team.
Furthermore, Glow Group also undertakes the procedures to monitor, control and implement with regards to air quality, wastewater quality, marine ecology, noise, coal and ash management as well as industrial waste management pursuant to Environmental Impact Assessment (EIA) report continually, in order to ensure that all employees, the neighboring plants and the surrounding communities have safe working environment and have good quality of life. |
AIR QUALITY MANAGEMENT |
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 Sulfur Dioxide (SO2)
Sulfur Dioxide is generated by coal combustion process in the hybrid block generating facility at our third phase expansion using advanced technology. Formation of SO2 is minimized by using coal with low sulfur contents and by employing a Circulating Fluidized Bed Boiler (CFB) in which limestone is injected. These will help minimize SO2 emissions to meet the operational requirements. SO2 emissions are measured by using Continuous Emission Monitoring System (CEMs), installed at all exhaust stacks of power plants. |
| Nitrogen Oxide (NOx) |
Nitrogen Oxide is produced whenever the combustion temperature is high. Therefore, one of the methods of reducing NOx emissions from the hybrid block generating facility is to control the combustion temperature to meet the operational requirements. One of the advantages of a Circulating Fluidized Bed Boiler (CFB) is that the combustion temperature is relatively low. Therefore, NOx emissions associated with the combustion process are low.
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For facilities utilizing natural gas as primary fuel, Glow Group employs advanced technology to reduce NOx formation in the combustion process, which occurs at temperatures higher than in a CFB boiler. Combustion temperature can be reduced by injecting water or steam into the combustion chamber. In addition, NOx emissions are also minimized by employing the latest state-of-the-art Dry Low NOx burners. Such burners are designed specifically to minimize NOx emissions. |
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 Dust
Hot gas from the coal combustion chamber will be contaminated with ash and dust which might be harmful to the operators and the working environment. Therefore, the equipment to collect dust emission has been installed, i.e. fabric filter. This is the system which can effectively collect dust from coal ash up to 99.8 percent. The collected dust will be sent to the fly or bottom ash silos before they are disposed to be recycled and used in the cement industry or ready mixed concrete industry for other industrial benefits. Additionally, before the exhausting gas is emitted into the atmosphere via the stack, the amount of dust emission therewith will be measured by using Continuous Emission Monitoring System (CEMs) to ensure that it meet the local environmental standards |
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 Ambient Air Quality
Ambient air quality is measured at the communities surrounding the power plants in accordance with the Environmental Impact Assessment (EIA) to insure quality of life for the local people. This is performed bi-annually. |
WATER QUALITY MANAGEMENT |
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 Wastewater Treatment System
Glow Group endeavors to limit environmental impact from the use of oil and chemicals in the production and maintenance processes. Oil contaminated water is drained into an Oil Separator Sump where oil is separated. After this, the water is neutralized, then released to a retention pond and finally discharged into the public receiving water. Water quality is constantly monitored and recorded at the point of discharge in accordance with the Environmental Impact Assessment (EIA). |
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 Seawater Quality and Marine Ecology
Large quantities of seawater are used as cooling water at Glow Phase 3&4 (Hybrid Cogeneration). After passing through the process, the cooling water temperature stays well within the limit. Before being discharged, the cooling seawater will be released into the retention canal on the other side of the power plant to reduce the temperature of seawater. Discharging the seawater in this manner will ensure that the natural ecology is not harmed. Monitoring of marine life is performed in accordance with the Environmental Impact Assessment (EIA) and the Coastal Water Quality Standard. |
COAL AND ASH MANAGEMENT |
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 Coal Handling
Glow Phase 3&4 (Hybrid Cogeneration) is located near the sea in the Map Ta Phut Industrial Estate. Shipments of coal needed for power generation are delivered at the coal harbor using the company's own dedicated coal receiving facility. The transfer of the coal from the ship to the plant storage area is done by using an enclosed conveyor belt system. The coal is then further transported to the generating-unit intermediate storage silos by a similar enclosed conveyor belt system. This method prevents coal dust dispersion. In addition, dust suppression devices are installed at the transfer points along the coal-moving route to further minimize dust emission. |
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Ash Management
With the combustion of coal, approximately 60,000 tons of ash is expected to be generated every year. Coal ash is calcium sulfate or basically known as gypsum. This product can be used for either construction or landfills. Bituminous coal ash has been recognized as a high quality coal ash which is widely used both in Thailand and worldwide. |
INDUSTRIAL WASTE MANAGEMENT |
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| Glow Group realizes the importance of garbage and industrial waste management. Therefore, the Corporate Environmental Policies and Procedures were established with regards to reduction and control the amount of garbage and waste from the original sources pursuant to ISO 14001 management system. This strategy emphasizes on participation of the employees and the contractors by encouraging them to segregate types of garbage and industrial wastes prior disposing them as well as having the proper storage, transportation and disposal procedures which are consistent with the approved technical methods.
Garbage and industrial wastes are divided into 3 types, such as Hazardous Waste, i.e. insulation, used oil and etc; General Waste, which is non-hazardous waste, i.e. used filter, plastic and etc. and Domestic Waste, i.e. food, fallen leaves, and etc.
In addition, Glow Group also conducts the internal audit in accordance with the ISO 14001 management system as well as strictly complies with the relevant laws and regulations relating to garbage and industrial waste management with aims to ensure that the Group has improved and developed the auditable management system continually, which will have good and sustainable improvements to the environmental management of the Group. |
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