Chemical processes and technology
37
Reaction between chemical agents and soiling
Problem
How to resolve it
Natural oils and fats can be emulsified with
alkaline chemical agents. This can lead to a
heavy build-up of foam.
– Where available use the "OIL“ pro-
gramme.
– This special programme dispenses emul-
sifiers (pH neutral) in the pre-rinse.
– Depending on application use de-foaming
agents that do not contain silicone oils.
Soiling containing high protein levels such
as blood can cause a heavy build-up of
foam when processed with alkaline chem-
ical agents.
– Select a cleaning programme with at least
one short pre-rinse in cold water.
Non-precious metals such aluminium, mag-
nesium and zinc can release hydrogen
when processed with very acidic or alkaline
chemical agents (oxyhydrogen reaction).
– Please observe chemical agent manufac-
turer's instructions
