WASTE WATER TREATMENT
We offer a comprehensive range of wastewater treatment solutions &
can cater from the single house domestic unit right through to the
most complex municipal requirement. Our wastewater treatment division
is split into the following four sections.
DOMESTIC | COMMERCIAL | INDUSTRIAL | MUNICIPAL
Domestic
Bison A.S. Range Single House 4PE – 20PE
Bison A.S. Range
Better Value
Innovative Design
Simplicity of
Installation
Odour Free
No Visual Impact

The Bison A.S. Sewage Treatment Plant caters for single houses up
to four houses (4PE – 20PE).
The system is simple to install, operate and maintain, whilst also
being versatile, robust and durable.
The system uses an extended aeration process, which incorporates
longer retention times than the conventional process and does not
need to be preceded by primary settlement. This reduces the need
for periodic desludging of any primary settlement tank.
The system also provides the ideal solution for more difficult
sites incorporating final effluent pumping/disinfection and alarm
capability
Bison S.A.F. range 6PE – 25PE
Suitable for residential and small communities or commercial developments.
Below ground installation.
Cost effective
and easy installation.
Proven and reliable
three stage process.
Low maintenance
and running costs
20:30 (Bod:ss)
discharge standard
Commercial
Bison S.A.F. Range 35PE – 600PE
Single tank design
up to 150PE
Choice of two
systems
Standard for 20:30
consent
Nitrifying for
5mg/l ammonia consent
Below ground installation
Designed to combine
conventional settlement stages (primary and humas settlement)
with submerged aerated filter technology as the main biological process
Incorporates two-stage
biological removal ensuring high overall removal rate
Bison B.A.F. Range (Concrete) 40PE – 350PE
Above or below
ground installation
Ideal for temporary
installations
Ideal for sites
with high or variable ground water levels.
The Bison Concrete B.A.F. range incorporates primary and secondary
settlement with enhanced sludge storage, secondary treatment and
final settlement.
Industrial
We offer a comprehensive range of Industrial wastewater treatments
& cater for the most basic requirement to custom designed solutions.
Listed below is a summary list of the range of solution offered.
Design / Build / Operate
Aeration
Clarification
Filtration
Screening
Dissolved Air Floatation
Chemical Dosing
MBR
SBR
SAF/BAF
Extended Aeration
Dewatering
Odour Control / Treatment
Sludge Drying / Disposal
Grease Removal
Nutrient Removal
Pilot Trials
SCADA
Flow Measurement
Disinfection

Municipal
We offer a comprehensive range of municipal wastewater treatment
solutions & cater for the most basic requirement to custom designed
packages. Listed below is a summary list of the range of solutions
offered.
Design / Build / Operate
Aeration
Clarification
Filtration
Screening
Dissolved Air Floatation
Chemical Dosing
MBR
SBR
SAF/BAF
Extended Aeration
Dewatering
Odour Control / Treatment
Sludge Drying / Disposal
Grease Removal
Nutrient Removal
Pilot Trials
SCADA
Flow Measurement
Disinfection
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