from original letter)
DEL CUARZO, S.A. E40331
CARRASCAL DEL RIO – Segovia – (Spain)
del Rio, 17th January 2001
reply to your request we express our satisfaction with the benefits
obtained from the use of the "rb bertomeu" beco F2/A
additive, which you supply to our industrial facilities at
Carrascal del Rio (Segovia).
fuel oil additive is used in the burners of a dryer trommel for minerals
the use of the additive beco F2/A in the fuel oil, we have
verified the important improvements on the parameters prior to the
utilisation of the additive:
Removal of unburned particles which previously dirtied dry
minerals during the process of drying, which affected their quality.
Reduction of the fuel oil consumption, estimated at 3%
Removal of carbon build up in the burners with reduction of the
maintenance and greater operational continuity.
Reduction of fuel oil sludge with respect to the volume that was
Less cleaning of the fuel oil circuits and filters.
Absence of black smoke due to incorrect combustion and reduction
of CO, which means a reduction of environmental pollution.
authorise the use of this letter for reference purposes.