Project Portfolio

The Organics Group has over thirty years of experience in the delivery of robust environmental engineering projects for landfill gas and wastewater engineering.

The Organics Group has a long track record in project management and the supply of equipment for environmental protection and renewable energy projects, and have have built projects all over the world.

AD of Food Waste, Hong Kong

Project: O Park 1 . Ammonia Removal

The removal of ammonia from the wastewater of an AD plant that treats food waste is important to ensure any water released to the environment is safe. This project, built on the waste treatment plant designated O Park 1 in Hong Kong, ensures that all emissions are carefully monitored. The heat from engines powered by the biogas generated in the AD tanks is used in a stripping tower to clean the wastewater prior to its release from the site boundaries.

AD of food waste
  • Anaerobic Digester treatment of food waste from restaurants and households.
  • Wastewater is treated in a post AD ammonia treatment system.
  • Waste heat from spark ignition engines used to strip ammonia from wastewater.
  • Location of the ammonia removal system is on the effluent line.
  • Main objective of the system is to meet discharge consent to environment. 
Technical Specification
  • Flow rate: 550 m3/day
  • Influent: 3,200 mg/l NH3
  • Effluent >100 mg/l NH3
  • Ammonia recovered: 3 tonnes / day
  • Plant commissioned: 2018
Heat driven NH3 removal

Heat from the spark ignition engines is used to strip the ammonia from the wastewater.

East Kalimantan, Indonesia

Project: Closed lagoon bioreactor

This project is currently under construction and involves the design, installation and commissioning of a closed lagoon bioreactor on the settling lagoon of a palm oil mill in East Kalimantan, Indonesia.

The brief of the project is to treat the high levels of COD found in the Palm Oil Mill Effluent (POME) and to ensure that the methane gas produced does not escape to the atmosphere. The biogas will be used for power generation.

Features of CLBR POME
  • Proven Principle
  • Low construction costs
  • No internal baffles
  • High conversion efficiency through excellent internal mixing and high retention of anaerobic bacteria
  • Enhanced facility for periodic sediment solids removal from the lagoon reactor
  • Optional facility for floating scum removal and recycling
  • Internal gas storage for black starts
  • Enhanced cover design for high safety standards
  • Integrated storm water removal system
Advantages of CLBR
  • Proven technology with many sites constructed in SE Asia over the last 10 years
  • Low cost when compared with tank digesters
  • Corrosion resistant, low maintenance
  • Improvements on cover design with special emphasis on safety
  • Compact, integrated design of recycle and influent pumping station
  • Long hydraulic and solids retention time achieve excellent treatment efficiency of complex wastewater
  • No concerns on biomass retention
  • High process stability after shock loading
  • Versatile and adaptable to many different conditions
  • Use of durable and UV stabilized materials
  • Family of designs for specific purposes

NENT 3 landfill, Hong Kong

Project: Thermal ammonia removal

The project is located in North East New Territories (NENT) landfill, Hong Kong, one of the world’s largest landfills. The project is for the treatment of heavily ammoniated leachate.

Project Specification

Wastewater flow rate: 2,500 m3 per day

Influent ammonia levels: 5,500 mg/L

Effluent ammonia levels: <150 mg/L

Advantages

1. High rates of ammonia removal with a small plant footprint

2. Residual ammonia concentrations of <150 mg/l with standard configuration

3. Turnkey design with a range of instrumentation and controls.

4. Fully automated with little input from operators.

3 Turnkey design with a range of instrumentation and controls

4 Fully automated with little input from operators

SENT landfill, Hong Kong

Project: Thermal ammonia removal

The project is located in South East New Territories (SENT) landfill, Hong Kong, one of the world’s largest landfills. It has successfully treated heavily ammoniated leachate issuing from the site and has assisted in optimising power generation from landfill gas.

Project Specification

Wastewater flow rate: 2,000 m3 per day

Influent ammonia levels: 4,500 mg/L

Effluent ammonia levels: <100 mg/L

Ammonia removed: 8.5 tons/day

Fuel cell electrical power potential: 1.0 mw

Tseung Kwan O, Hong Kong

Project: Thermal ammonia removal

This project involved the design, installation and commissioning of a thermal ammonia removal and destruction system. The project treats high-strength ammonia wastewater and leachate.

Reasons for installing this system; Removes high levels of ammonia, Recover aqueous ammonia, Reduce N2O emissions, Minimises environmental impact

Project Specification

Flow rate: 750 m3/day

Influent ammonia concentration: 6,700 mg/L

discharged ammonia concentration: 100 mg/L

Discharged effluent is directed to an SBR for further polishing

Advantages of the system
  • Ease of operation, 1hr start-up/shutdown
  • 95% system availability
  • No chemical dosing or pH adjustment
  • Thermally driven process using waste heat
  • Low maintenance
  • Can handle large fluctuations in ammonia concentration
  • Duty-standby configuration is available

 Pillar Point Valley landfill, Hong Kong

Project: Thermal ammonia stripping system

The project included the design, installation and commissioning of thermal ammonia stripping at Pillar Point Vally landfill, Hong Kong.

The system separates the ammonia from the wastewater using heat produced by the combustion of landfill gas and works by injecting the wastewater into the top of a stripping column with air being injected at the bottom.

Thermal ammonia stripping can achieve >98% removal rates.

Project Specification

Flow rate: 685,000 gallons per day

Influent concentration: 2,500 mg/L NH3-N

Effluent concentration: <100 mg/L NH3-N

 

Sinarmas , Central Kalimantan

Project: Closed lagoon bioreactor

This project involved the design, installation and commissioning of a closed lagoon bioreactor on the settling lagoon of a palm oil mill owned by the Sinar Mas Group, Indonesia’s largest palm oil producer.

The brief of the project was to treat the high levels of COD found in the Palm Oil Mill Effluent (POME) and to ensure that the methane gas produced could not escape to the atmosphere. The ultimate objective is to construct a biogas power plant using the excess methane generated in the process.

The project commenced with the design phase and a period of testing to ensure that all parameters of the POME and the location were known before investment in the plant began.

Project Specification

The project was designed to treat the palm oil effluent produced from the production of palm oil, one of the staple foods of Asia and a product used in many other products around the world.

The mill handles 80 tonnes per hour of fresh fruit bunch generating 1,152m3 of wastewater a day.

It was designed to handle up to 3,000Nm3/hour of biogas, the equivalent of 4 MWe; enough bioenergy to power the entire operation leaving an excess to export. In this particular case, the biogas generated from the process is used to power the boiler.

The lagoon was designed to accommodate 60,000m3 of wastewater from a factory that processes 80 tonnes per hour of Fresh Fruit Bunch.

Project Budget

Project budget of USD $4 million.

Project delivered within the specified programme and on budget. 

Features of CLBR POME
  • Proven Principle
  • Low construction costs
  • No internal baffles
  • High conversion efficiency through excellent internal mixing and high retention of anaerobic bacteria
  • Enhanced facility for periodic sediment solids removal from the lagoon reactor
  • Optional facility for floating scum removal and recycling
  • Internal gas storage for black starts
  • Enhanced cover design for high safety standards
  • Integrated storm water removal system
Advantages of CLBR
  • Proven technology with many sites constructed in SE Asia over the last 10 years
  • Low cost when compared with tank digesters
  • Corrosion resistant, low maintenance
  • Improvements on cover design with special emphasis on safety
  • Compact, integrated design of recycle and influent pumping station
  • Long hydraulic and solids retention time achieve excellent treatment efficiency of complex wastewater
  • No concerns on biomass retention
  • High process stability after shock loading
  • Versatile and adaptable to many different conditions
  • Use of durable and UV stabilized materials
  • Family of designs for specific purposes

MMPC, Montalban LFS, Philippines

MMPC, Montalban LFS, Philippines

Landfill gas is a potently aggressive greenhouse gas. Methane, one of the main elements with the gas, is 21 times more effective as a greenhouse gas than carbon dioxide. Its control is therefore critical and, if it can be used, it can be converted into a carbon-neutral resource.

The landfill gas power generation project in Montalban, near Manila in the Philippines, has a total of 9MWe installed. This ensures that nearly 7,500Nm3 of landfill gas per hour is removed from the environment and converted into a useful resource, thus displacing the use of fossil fuel for generating electricity.

Project Specification
The project was designed to treat landfill gas issuing from a landfill site near to Manila. The project uses 7,500Nm3/hour of gas and generates 9MWe of electricity that can be used either on-site or exported to the national grid.

This was a turnkey project and involved the design, fabrication, project management, installation and commissioning.

Power capacity installed: 9MWe
Electricity potential: 70,000 MWh / year
Biogas potential: 7,500Nm3/hour

Project Budget

Project budget of USD $10.5 million.
Project delivered within the specified programme and on budget.

Features of Landfill Gas Use
  • Proven Principle
  • Low construction costs
  • Once permission and authorisations achieved, rapid mobilisation and installation
  • Prevents a highly contaminating greenhouse gas from entering the atmosphere
  • Carbon neutral project
  • With correct maintenance programme, durable technology
  • Converts an environmental problem into a resource

IYO Alam Sekitar, Bercham LFS, Ipoh Malaysia

IYO Alam Sekitar, Bercham LFS, Ipoh Malaysia

Landfill gas is a potently aggressive greenhouse gas. Methane, one of the main elements with the gas, is 21 times more effective as a greenhouse gas than carbon dioxide. Its control is therefore critical and, if it can be used, it can be converted into a carbon-neutral resource.

The power generation project at Bercham landfill site in Ipoh Malaysia is a 1MWe LFG power generation project using landfill biogas. A total of over 1000 Nm3/hour of landfill gas is burned in two 500kW spark ignition engines. This ensures that nearly 7,000,000 cubic metres of landfill gas is removed from the environment and converted into a useful resource, thus displacing the use of fossil fuel for generating electricity.

Project Specification

The project was designed to treat landfill gas issuing from a landfill site near to Manila. The project uses over 1,000Nm3/hour of gas and generates 1MWe of electricity that can be used either on-site or exported to the national grid.

This was a turnkey project and involved the design, fabrication, project management, installation and commissioning.

Power capacity installed: 1MWe
Electricity potential: 7,000 MWh / year
Biogas potential: 1,000Nm3/hour

Project Budget

Project budget of USD $2 million.

Project delivered within the specified programme and on budget.

Features of Landfill Gas Use
  • Proven Principle
  • Low construction costs
  • Once permission and authorisations achieved, rapid mobilisation and installation
  • Prevents a highly contaminating greenhouse gas from entering the atmosphere
  • Carbon neutral project
  • With correct maintenance programme, durable technology
  • Converts an environmental problem into a resource

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