Chemical processes and technology
50
Soiling
Efficacy Measures
The following substances can lead to heavy
build-up of foam during washing and
rinsing:
- Some disinfection agents, detergents, etc.
- Active foaming agents such as
surfactants
- Thoroughly rinse load items in water
beforehand.
- Select a cleaning programme with at least
one short pre-wash in cold or hot water.
The following substances can cause
corrosion to stainless steel in the wash
cabinet and the accessories:
- Hydrochloric acid
- Other substances containing chlorides
such as sodium chloride, etc.
- Concentrated sulphuric acid
- Chromic acid
- Iron particles and shavings
- Thoroughly rinse load items in water
beforehand.
- Put the drip-dry load items into the mobile
units, baskets, modules and inserts and
start a programme as soon as possible
after placing in the wash cabinet.
Reaction between process chemicals and soiling
Efficacy Measures
Stains containing high protein levels, such
as blood, can cause a heavy build-up of
foam when processed with alkaline process
chemicals.
- Select a cleaning programme with at least
one short pre-wash in cold water.
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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