Biological

Anaerobic

• Upflow Anaerobic Sludge Blanket (UASB)
  
• Continuously Stirred Tank (CST)
  
• Upflow reactors
  
• High rate Expanded Granular Sludge Bed (EGSB)reactors
  
• Anaerobic ponds
  
• Dissolved Biogas Flotation
  
• Thermophilic digestion
  
• Mesophilic digestion
  
• Hydrolysis
  

Aerobic

• Conventional Activated Sludge (CAS)
  
• Sequential Batch Reactors (SBR)
  
• Biological Nutrient Removal
  
• Membrane Bio-Reactor (MBR)
  
• Aerated lagoons
  
• Facultative Ponds
  
• Reed beds
  

Physio-Chemical

Dissolved Air Flotation (DAF)

• Round
  
• Rectangular
  

Coagulation and Flocculation

Ion Exchange resins

Water softeners

Thermal

Heat/Cooling

• Shell and tube heat exchangers
  
• Plate and Frame heat exchangers
  
• Cooling towers
  
• Refrigeration
  

Yeast Autolysis

Biogas

Flaring

• Ground Flare
  
• Elevated flare
  
• Shielded flare
  

Pressurisation

Moisture removal

Drying

Odour control

• Bio-filter
  
• Sulphide scrubbing
  

Steam generation

• Boiler integration and gas control
  
• Vertical Steam boilers
  
• Horizontal Steam boiler
  
• Conversion of existing boilers
  
• Dual Fuel burners/Boilers
  

Chemical

pH correction

Precipitation

Disinfection/Oxidation

• Chlorination
  
• Ozone
  
• Peroxide
  
• Ultraviolet
  
• Chlorine Dioxide
  

Tank Options

Construction and installation of tanks forms a large part of capital expenditure when building a water or wastewater treatment plant.  Ensuring flexibility in terms of the type of tank and material of construction is important when value engineering a design to reduce capital costs.



Steel bolted tanks

Stainless Steel

Welded tanks


Reinforced concrete tanks

Sectional tanks

Tanks roofs

• Self-supporting
• Conical
• Flat
• Single membrane
• Double membrane

GRP tanks

Earth ponds

Physical Separation

Screening

• In-channel rotary screen
  
• Drum screen
  
• Bar screen
  
• Sieve bend
  
• Cartridge filters
  

Gravity settling

• Fixed bridge clarifiers
  
• Rotating bridge clarifiers
  
• Thickeners
  
• High-rate lamella plate settlers
  
• Static/Dortmund settlers
  
• Settling pits/ponds
  

Membranes

• Membrane-Bioreactor (MBR)
  
• Ultra filtration
  
• Nano Filtration
  
• Reverse osmosis
  

Filters

• Sand filters
  
• Carbon Filters
  
• Multimedia filters
  

Sludge dewatering

• Belt press
  
• Filter press
  
• Decanter centrifuge
  
• Drying beds
  

Aeration

Fine Bubble Aeration

Course Bubble Aeration

Jet Aeration (Forced and induced)

Surface aerators