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Wastewater treatment Systems

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... arsenic & heavy metal removal Food process factories Hydrocarbon removal in the oil industry Yeast removal in breweries Gray water recirculation Rain water ... – PowerPoint PPT presentation

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Title: Wastewater treatment Systems


1
Wastewater treatment Systems equipment
Activated sludge aeration
Skid systems
AFM pressure filter
Effluent treatment
2
Dryden Aqua SBR fine bubble diffused aeration
system Landfill site leachate treatment, Medina
Saudi Arabia
3
Wastewater treatment Systems equipment
  • There are 3 sections to our wastewater treatment
  • Aeration, activated sludge and biological
    treatment
  • Air diffusers
  • Ceramic oxygen diffusers
  • Fluidised bed and static bed biofilters
  • Mechanical filtration, AFM media filters and
    screens for tertiary treatment
  • AFM filters replace sand, carbon zeolites
  • Rotating drum screen 100 corrosion proof
  • Instrumentation and monitoring
  • Oxygen monitors and control systems
  • Total gas monitors

Go to www.DrydenAqua.com for more products
information prices on-line ordering
4
Aeration - Wastewater treatment Aeration
activated sludge destratification
  • Air diffusers
  • Ceramic oxygen diffusers
  • Fluidised bed and static bed biofilters

Effluent treatment activated sludge systems,
with DA air diffusers and fluidised biofiltration
media
Go to www.DrydenAqua.com for more products
information prices on-line ordering
5
Aeration - Wastewater treatment And some typical
applications
  • Activated sludge
  • Landfill leachate
  • Wastewater treatment
  • Sewage effluent
  • Agricultural waste water treatment
  • Destratification of lakes reservoirs
  • Aquaculture aeration
  • Chemical mixing application

Go to www.DrydenAqua.com for more products
information prices on-line ordering
6
Aeration - Wastewater treatment Air diffusers -
benefits
  • Tubular diffuser up to 5m in length
  • Air flow from 1 to 15 cubm/hr
  • Less than 3psi pressure differential
  • Very high performance
  • Oxygen transfer up to 5kg/kwhr
  • Self cleaning (within reason)
  • Internal ballast
  • Plastic stainless steel construction
  • No base pipe distribution required
  • Easy to retrofit maintain
  • Simple installation even for large systems

Go to www.DrydenAqua.com for more products
information prices on-line ordering
7
Aeration - Wastewater treatment Air diffusers
how to install
  • Very simple installation in tanks, lagoons or
    lakes
  • Can be installed when tank is full of water
  • Can be maintained while air blowers are running
  • Internal ballast, no need to anchored to base of
    tank
  • Install an air ring main pipe around the
    perimeter of the tank or lagoon
  • Fit ½ flexible hose onto the air ring main, with
    sufficient to go down to the base of tank.
  • Push fit and secure diffuser on end of hose and
    drop into tank

Go to www.DrydenAqua.com for more products
information prices on-line ordering
8
Aeration - Wastewater treatment Landfill
leachate activated sludge
  • Tank based systems or Lagoon based systems
  • Sequencing batch reactors
  • Driven by one or more roots type blowers or
    rotary van air compressors
  • Simple quick installation
  • Easy to service when tanks are full of water and
    even when the air blowers are working.
  • Very fine bubble making the Dryden Aqua diffuser
    extremely efficient, typically 5kg O2 per kw hour
    because we do not waste kinetic energy throwing
    the water into the air.

parameter influent reduction
cod 5000mg/l 90
BOD 2000mg/l 99
ammonium 1000mg/l 98
suspended solids 2000 98
Go to www.DrydenAqua.com for more products
information prices on-line ordering
9
Aeration - Wastewater treatment Agricultural
Waste activated sludge
  • Slurry waste from cattle sheds
  • New effluent treatment regulations farms will
    need to treat their effluent
  • One 3m diffuser for every 5 10 cattle
  • Dryden Aqua diffusers provide the perfect
    solution to the problem

parameter influent reduction
cod 5500mg/l 95
BOD 5000mg/l 99
ammonium 1500mg/l 98
suspended solids 2000 98
Go to www.DrydenAqua.com for more products
information prices on-line ordering
10
Aeration for destratification lakes and
reservoirs
  • Prevent thermal chemical stratification
  • Prevent algae blooms toxic cyanogen bacteria
  • Stabilize water quality
  • Improves fishery productivity
  • Make the water much easier to treat for drinking
    water filtration
  • Reduces ammonium level, iron and organics

Water Depth  Meters Amount of water (cubm/hr) lifted by 1 cubm/hr of air
6 20
10 40
20 80
30 120
40 150
60 200
Go to www.DrydenAqua.com for more products
information prices on-line ordering
11
Aeration Life support systems Aquaculture
  • Aeration for all forms of aquaculture
  • Tank, cage and lagoon systems
  • Marine and freshwater applications
  • One 3m diffuser support 500 kg of fish
  • Can be used with Oxygen
  • Ceramic oxygen diffusers available

Go to www.DrydenAqua.com for more products
information prices on-line ordering
12
Oxygenation - Wastewater treatment Ceramic
diffusers jet aerators oxygen probes
  • Air diffusers
  • Air blower
  • Jet aerator
  • Ceramic oxygen diffusers
  • Galvanic oxygen probes

Go to www.DrydenAqua.com for more products
information prices on-line ordering
13
Mechanical filtration Wastewater treatment
AFM pressure filters down to approx 1 micron with
pre-coagulation and flocculation.
Drum filters down to approx 30 micron, 10 to 230
cubm/hr
Continue on to the presentation
Go to www.DrydenAqua.com for more products
information prices on-line ordering
14
Mechanical filtration Wastewater treatment
Filtration of waste water with AFM media. AFM
media replaces sand in all types of sand filters.
AFM does not biofoul making process performance
far superior to sand based systems. The filter
above contains AFM media and is used to treat
leachate water from a landfill site.
Go to www.DrydenAqua.com for more products
information prices on-line ordering
15
AFM Active Filter Media Wastewater treatment
  • AFM activated filter media is manufactured by
    Dryden Aqua
  • AFM media replaces sand in all types of sand
    filter
  • Pressure filters
  • RGF rapid gravity filters
  • Moving bed filters
  • Sand suffers from bacteria coagulation in
    wastewater systems
  • AFM is a self sterilizing filter media, it does
    not coagulated
  • Simply by changing the sand to AFM will result in
    major performance benefits
  • Simple pressure or RGF filters with AFM can be
    used to treated water up to at least 200 mg/l
    solids with a 90 to 95 performance
  • AFM research supported by 1.2m Euro project with
    the European Commission and Scottish Water.

Go to www.DrydenAqua.com for more products
information prices on-line ordering
16
AFM Active Filter Media Wastewater treatment
  • AFM is used in wide variety of wastewater
    applications
  • Tertiary treatment of sewage effluent
  • Tertiary treatment of landfill leachate water
  • Tertiary treatment of industrial wastewater
  • Paper mills
  • Electroplating for copper, nickel, arsenic
    heavy metal removal
  • Food process factories
  • Hydrocarbon removal in the oil industry
  • Yeast removal in breweries
  • Gray water recirculation
  • Rain water recovery
  • Sports ground run-off and recycling
  • Spray irrigation systems
  • Cooling tower recycle water

Go to www.DrydenAqua.com for more products
information prices on-line ordering
17
AFM Active Filter Media AFM filtration
Schematic
Hydrocarbons Ford Motors
Yeast Carlsberg Brewery
18
AFM Active Filter Media Wastewater treatment
  • Performance benefits when AFM replaces sand
  • Simple and much lower cost pressure filters can
    be used to treat sewage effluent or contaminated
    waste water.
  • AFM filters require virtually no attention
  • AFM media never needs to be replaced
  • AFM media can even replace carbon, or when used
    before carbon may reduce the load by 50 to 80
    resulting in huge activated carbon replacement
    costs.
  • AFM can cope with high solids loads, up to 200
    mg/l. The only limiting parameter is the higher
    back-wash frequency with heavier loads
  • AFM prevents or reduces list 1 chemical release
    from effluent plants

Before and after , AFM treatment of sewage
effluent 100 to less than 5 ntu
Go to www.DrydenAqua.com for more products
information prices on-line ordering
19
Products equipment Rotating Drum screen
  • Rotating drum screen
  • 100 corrosion proof all wetted parts in plastic
  • Suitable for freshwater, seawater and corrosive
    liquids
  • Water flow 10 to 230 cubm/hr
  • Filtration level 30 microns
  • Application
  • Aquaculture and public aquaria
  • River water, lake water and seawater
  • Wastewater, sewage effluent
  • Chemical industry, corrosive liquids

Go to www.DrydenAqua.com for more products
information prices on-line ordering
20
European Commission supported for your Life
the Environment ISO 90012008 quality  company
  • Dryden Aqua
  • Butlerfield
  • Bonnyrigg
  • Edinburgh EH19 3JQ
  • Scotland UK
  • Tel 44 (0) 18758 22222 Fax 44 (0) 18758 22229
  • www.DrydenAqua.com
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