EPD - Pollution Problems & Practical Solutions

Operation of Grease Trap
Problem Malodour from grease trap
Pollution Type
Air
Relevant Env. Control Under the Air Pollution Control Ordinance, Cap. 311, person causing the air nuisance requires the adoption of air pollution abatement measures.
Practical Solutions
dot.gif Locate grease trap away from the vicinity of common areas, such as lift lobbies or any fresh air intake of the air conditioning system
dot.gif Arrange the regular clearance in non-sensitive hours
 
   
Problem Blockage of foul drain and overflow of grease trap
Pollution Type
Water
Relevant Env. Control Under the Water Pollution Control Ordinance, Cap. 358, discharge of polluted waters into stormwater drains is not permitted, discharging wastewater from all types of industrial, manufacturing, commercial, institutional and construction activities into sewers or elsewhere should comply with the terms and conditions of a licence issued by the EPD.
Practical Solutions
dot.gif Should apply WPCO licence from the EPD
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Install above ground grease trap at an easily accessible location to facilitate ease of cleaning and maintenance
Grease trap is installed in an open and aboveground location for easy access, fault detection, clean-up and maintenance.
Grease trap is installed in an open and aboveground location for easy access, fault detection, clean-up and maintenance.
dot.gif Provide communal grease trap as far as possible for better efficiency and economy
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Use well-developed grease trap with provision for the daily removal of screened solids and trapped grease
dot.gif Maintain and operate the grease trap to meet the effluent discharge license conditions, such as conducting self-monitoring checks and providing self-monitoring reports
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Install screening device at the grease trap inlet and remove the screened solids daily
Screening device is installed in the inlet pipe of the grease trap and the trapped solid waste is collected and disposed as general refuse daily.
Screening device is installed in the inlet pipe of the grease trap and the trapped solid waste is collected and disposed as general refuse daily.
dot.gif Remove the accumulated bottom sludge regularly
dot.gif Property management companies (PMCs) managing communal grease traps in shopping malls, commercial and industrial buildings shall register with EPD as collectors managing communal grease trap facility(ies) under the "Waste Cooking Oils" (WCO) Recycling Administrative Registration Scheme. For details of the above Scheme, please click here
dot.gif Engage grease trap waste collectors registered by EPD for regular overhauling of grease trap facilities and removal of grease trap waste from the facility for proper treatment
dot.gif Properly archive cleaning records and keep the cleaning records for the past 12 months for inspection by EPD