Chemical processes and technology
45
Reaction between process chemicals and soiling
Efficacy Measures
Natural oils and fats can be emulsified with
alkaline process chemicals. This can lead to
a heavy build-up of foam.
- Select the Medium or Long programme.
- Depending on the 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 process
chemicals.
- For cold water connection, select the Long
programme (with a cold water pre-wash).
- For hot water connection, pre-treat the
load items where necessary.
Non-precious metals, such as aluminium,
magnesium and zinc, can release hydrogen
when processed with very acidic or alkaline
process chemicals (oxyhydrogen reaction).
- Please observe the process chemical
manufacturer’s instructions.
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