1. Robust. Reliable. Efficient. Simply built better.
Medical Case Study AES003 Medical Waste
Medical Waste Management in Africa
Constantine, Algeria
Algeria’s leading waste
management company needed
robust, reliable and efficient
incinerators to become the
company’s main asset in their
thriving developing business.
Client overview
Stidest specialises in the collection, treatment
and incineration of waste. Their main groups
are pharmaceutical, veterinary, medical and
paramedical. This usually consists of expired
drugs, waste with a risk of infection and
general medical waste you would expect to
find at a hospital.
Stidest’s main asset was their incinerators, but
the ones that they had from an Addfield
competitor were not fit for purpose. So much
so, that they were later taken off the
company’s website and they ceased to sell the
machine.
An incinerator is needed
As Algeria’s leading waste management
company, they needed machines that were
able to cope with the large capacity of waste
that would be incinerated each day which
averages to 500 yellow bags (clinical waste)
and 200 red bags (biomedical waste). Addfield
suggested our second largest machine, the TB-
AB-MAX for the general medical waste and
the MP-500 for high moisture biomedical
waste.
The importance of incineration
Incineration is a vital way of disposing medical
waste due to the following:
Infection can easily be spread between animal
and humans if the waste is not disposed of
appropriately.
Medical waste can be highly toxic so contact
with it should be as limited as possible.
Injuries often occur in countries where it is the
norm to forage through waste for potential
valuables
Medical waste often contains chemicals that
can be harmful to the environment when
accumulated.

2. Robust. Reliable. Efficient. Simply built better.
Advantages of using Addfield incinerators
Addfield provided a range of scrubbers which
are used with the machine to further reduce
emissions from the incinerator; making it
exceptionally environmentally friendly.
Unrivalled experience that has been nurtured
through hands-on experience such as
commissioning machines on site
All Addfield ranges are specifically designed
for their intended use to ensure that the
highest efficiency is gained for the waste type.
Which incinerator?
The TB-AB-MAX has a huge capacity of 4000kg
and an equally remarkable burn rate of 250kg
to 500kg per hour depends on the calorific
nature of the waste. This is controlled by our
unique air control system and an intelligent
PLC controller that can independently
modulate individual burners ensuring a stable
and controlled burn process.
The MP-500 is specifically designed for high
moisture and/or low calorific waste such as
human organs, blood and swabs - a
traditionally a hard-to-burn waste group. Hot
hearth technology utilises twin burner system
for the complete oxidation of waste. It
operates by a hearth (or under floor) burner
superheating the silicon carbide tiles on which
the waste sites. Whilst the main chamber
(direct) burner incinerates the waste from
directly above. This method of direct and
indirect incineration ensures thorough
penetration of heat and provides:
The complete combustion of waste
Eliminates cold spots
Efficient operation
Timely incineration
A filtration system was also put on this
machine to control the pollution produced by
removing particles from gases at high
temperatures.
Fitting into the plan
By purchasing Addfield incinerators, Stidest
has made a long-term investment that will
complement their plan to continuously
improve the waste management in Algeria.
Feedback
Stid est was so impressed with the designated
engineers work, the manager wrote him a
letter to ‘express his sincere gratitude and
congratulations’ as he ‘appreciated the
diligence and dedication with which the
engineer have conducted’ and he had ‘shown
in addition to your skills, excellent
responsiveness by adapting very quickly to
what was asked’. Finally, he stated he could
’call on his cooperation in confidence, with
the assurance of quality work, respecting
deadlines’ which is exactly what Addfield aims
to achieve.
Contact
For more information about this project or for
any other enquiries -
Email: sales@addfield.co.uk
Call: +44 (0)1543 571280
Or Visit: www.addfield.com
October 2014