Chemical processes and technology

Reaction between chemical agents and soiling

Problem	How to resolve it

Natural oils and fats can be emulsified	– Where available use the "OEL“
with alkaline chemical agents. This can	programme.
lead to a heavy build-up of foam.	– This special programme dispenses
	emulsifiers (pH neutral) in the
	pre-rinse.
	– Depending on application use
	de-foaming agents that do not
	contain silicone oils.

Soiling containing high protein levels	– Select a cleaning programme with at
such as blood can cause a heavy	least one short pre-rinse in cold
build-up of foam when processed with	water.
alkaline chemical agents.

Non-precious metals such aluminium,	– Please observe chemical agent
magnesium and zinc can release	manufacturer's instructions.
hydrogen when processed with very
acidic or alkaline chemical agents
(oxyhydrogen reaction).

Miele G 7823, G 7824 operating instructions Chemical processes and technology