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Felix Armstrong commenced business with
Controlled Environment in 1975. With a strong background
in the Dust Collection Industry, this was initially
his main focus. Specialising in customised solutions
for a broad range of industries, this area has remained
a significant part of the business from its inception
Six months after launching Controlled Environment, the
late Bill McNamara of Pulva Corporation in the USA invited
Controlled Environment Pty Ltd to represent his company
in Australia. He knew we were aware of the 'Mikro' range
of Pulverizers and prior to starting Pulva Corporation,
he had been the designer of their range of mills. As
nearly every Pulverizer is [followed by/coupled with]
a bag filter we were only too happy to oblige, and the
mutually rewarding relationship has now lasted over
26 years.
In 1992 Controlled Environment was introduced to The
Jet Pulveriser Company which manufactures a range of
Jet Energy Mills applicable to a different section of
the market to the Pulva product. As is the case with
the Pulva product, these mills require bag filters which
we also supply.
Some five years ago a requirement to pulverise broken
glass surfaced at some of our customers. We knew that
the Standard Pulva mill was not suitable so Pulva Corporation
suggested that we approach Jim and Cyndy Andela who
have specialised knowledge in the processing of broken
and waste glass while this initial approach met with
no success, when, a year later, the Andelas received
an enquiry from Australia which resulted in a sale they
appointed Controlled Environment as their Australian
Representatives.
Bag filters cannot cover every aspect of fume and dust
collection, and wet collectors are almost useless on
particulates less than one micron. This gives rise to
a need for a super-efficient wet scrubber able to collect
acid off gases and at the same time collect sub micron
particulates. In 1984 Controlled Environment finally
identified a source for this scrubber - The Hydro Sonic
Scrubber invented by former members of the Jet Propulsion
Laboratory employed by the Lone Star Steel Company in
Texas. In 1994 Controlled Environment Pty Ltd became
the authorised representatives of Hydro Sonic Systems.
The Hydro Sonic scrubber matches the performance of
any conventional venturi scrubber using perhaps 60%
of the energy. It is capable of collecting particulates
as small as 7 nanometers and at the same time it can
reduce SO2, SO3, H2SO4, H2S etc. to less than 5 ppm.
It is 'user friendly', requiring little maintenance.
It is the preferred option of the USEPA for collection
of heavy metal, radioactive and hazardous waste fumes,
and it is the only wet collection device which out-performs
a bag filter on particulates.
When the 'Triboflow' invented by Mr Ron Dechene of Auburn
International provided an alternative and non-optical
technology to the then generally accepted optical obscuration
method of determining how much was leaking from an Air
Pollution Control Device, Controlled Environment became
official representatives of Auburn International in
Australia. Auburn have over 45 US Patents and 3 Australian
Patents covering the thermal stability, linearity and
relationship of the 4- 20 mA readout to the particulate
content and none of the locally made 'lookalikes' actually
infringe the Auburn Patents. Auburn Instrumentation
is approved by the USEPA, Factory Mutual, Underwriters
Lasboratories, and is CE, Canadian Standards and complies
with the US Military standards for electronics.
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