2. Separation methods – 2.3 Activated carbon purifying drinking water (teacher instructions) © Siemens Stiftung 2022 CC BY-SA 4.0 international

2. Separation methods – 2.3 Activated carbon purifying drinking water (teacher instructions)

Text

Experimentation instructions:
Background information on the content and practical information on conducting the “Activated carbon purifying drinking water" experiment.

Available in: English
Type of media: Text (338.2 kByte)
Last update: 2022-10-24
License:

This medium is made available under a CC BY-SA 4.0 international license.

What does this mean?

How to reference this medium
Media package:
Vocational Orientation – 2. Separation methods
Description:
The students will learn that dyes, flavourings, fragrances and bacteria cannot be eliminated from drinking water by simple filtering techniques. This can be done only with certain materials which have a very large surface area where they can bind (adsorb) the unwanted substances. Water is absorbed by kitchen paper; dust is adsorbed on a plastic surface.

One item deals with „Technical application and vocational orientation“.
Related media:
2. Separation methods – 2.3 Activated carbon purifying drinking water (student instructions) (Text)
Learning resource type:
Experiment
Subjects:
Biology; Chemistry; Technology
Grade levels:
Grade 7 to 9; Grade 10 to 13
School types:
Middle/high school; Vocational training
Keywords:
Coal; Drinking water; Environmental education; Household (private); Sewage plant; Waste water; Water treatment
Bibliography:
Siemens Stiftung Media Portal
Author:
Dieter Arnold
Rights holder:
© Siemens Stiftung 2022
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