Cold Link Africa January/February 2018 | Page 44

FEATURE
INCORPORATING COLD CHAIN
Defy appliances in East London and
procured a machine that will blend polyol
• Commercialisation and introduction
users where large volume chemical
Aerothane Applications in Cape Town
with cyclopentane according to the
of alternative foam technologies , with
dispensing was required and which
were both successfully converted to
stipulated polyol formulation .
some use of residual chemical stock ,
could not be corrected by the chemical
cyclopentane technology . Thus , UNIDO ’ s
Lastly , funding for storage tanks and
completed by November 2015 ; and
reformulation . In these instances , the
financial assistance to Defy covered the
ancillaries were allocated for Rigifoam
• Import ban imposed on HCFC-141b ,
solution was to provide the foaming
procurement of eligible components
Benoni , a self-blender and manufacturer
both pure and contained in pre-
equipment that is capable of delivering
of the conversion , such as the foaming
of rigid polyurethane block foam , flexible
blended polyols , effective from
the required mass . The extended work
machines , storage tanks , as well as
faced laminated board , and polyurethane
1 January 2016 .
programme was introduced to deal
preparation of specifications , tender
systems . As a result , the enterprise
with such matters . As a result , the high-
documents , and the cyclopentane
succeeded in the implementation of the
Nevertheless , in continuation of success
pressure foam dispensing machines
transition engineering project , among
conversion of HCFC-141b to methyl formate
and to evaluate and follow up on changes
were provided to replace the existing
others . In the case of Aerothane , the
and other flammable blowing agents .
to the technology , plant , and equipment
low-output , low-pressure machinery .
complete conversion included a number
Based on the small-scale trials , Stage III
introduced during the initial phase-out
Beneficiaries of this programme were
of additions and modifications to the
of the action plan has outlined some valid
programme , the extended work plan
Colcab Cape Town , Insulated Structures
existing factory and equipment , namely
issues . Problems related to the corrosion of
for 2016 was further developed and
in Kya Sands , and Concord Refrigeration
installation of the fire doors and the roller
components of the high-pressure foaming
implemented .
in Natal .
shutter door , fire walling and ventilation , relocation of gas sensor and switch gear , and so on . Furthermore , the conversion
machines , emerging from the use of methyl formate-blown foam systems , have been encountered by numerous end users . A
IMPLEMENTATION PROGRAMME EXTENDED
In general , the phase out of HCFC- 141b has been achieved within the targeted time frame and with little
of Defy and Aerothane has resulted in
corrective action to replace the affected
To conclude , it is worth mentioning
disruption to the industry ; hence , ensuring
phase out of 353.0mt or 38.9 ODP tonnes
components , such as polyol pumps ,
some observations derived from the
both short-term phase out , as well as
of HCFC-141b , starting the HCFC-free
injector nozzles , and flow meters , has been
implementation of this project . Thus ,
long-term sustainability of the industry .
production for both enterprises .
taken . Hence , machine modifications and
on the one hand , the change of
The implementation of the phase-out
CIP Industries Strydom Park , a moulded
the conversion to methyl formate have
the blowing agents , in most cases ,
plan created opportunities to improve
packaging manufacturer of insulated
been completed at Vela Building Solutions ,
was achieved without much trouble ;
productivity and quality . “ Moreover , on
boxes for the pharmaceutical industry , is
Zero Appliances , Dalucon Building Panels ,
bearing testimony to the capability
top of the overall cost-effectiveness of
another beneficiary of this HPMP . Aiming
Kwikspace , Staycold , National Luna , and
of the systems houses to reformulate
the conversion of the entire foam sector
to phase out the use of HCFC-141b in its
Box On Line .
systems technology to meet market
in South Africa , the work programme has
production and , therefore , replace it with
Finally , as seen from the aforesaid , the
requirements .
resulted in no job losses , with new work
cyclopentane , the enterprise received
objectives of Stage IV of the action plan
On the other hand , particular
opportunities now being created ,” said
funding to support the conversion and
were achieved in a timely manner , that is :
difficulty was experienced by the end
Yeates .
CLA

44 www . coldlinkafrica . co . za COLD LINK AFRICA • January | February 2018