Chemical technology in action

During surgery, after an accident or in the case of a serious illness such as a COVID infection, mechanical ventilation may be required. Surgical procedures are often performed under general …

Fully demineralised water, also known as deionised, demi-water, demineralised, distilled, or ultrapure water — all look just like regular tap or spring water but contain very few or no foreign …

Shut-off valves are used to regulate or completely block a volume flow. For this purpose, a closing element, also called a closure element or shut-off body, is moved within a …

The “Archimedean screw,” invented by the ancient mathematician and engineer Archimedes of Syracuse (c. 287–212 BC) and named after him, was used for irrigating fields and can be regarded as …

Screws, Nuts, and Threads – a Brief Overview What do a toothpaste tube, a jar of jam, a water bottle, and a light bulb have in common? A screw connection. …

How Hydroxide and Hydronium Ions Ensure Cleanliness in the Bathroom Hygiene plays a more important role than ever in the current situation. Regular hand washing, social distancing, respiratory hygiene and …

How Hot Is It Really? The air that surrounds us everywhere affects our comfort and well-being through its temperature. If it is too hot or too cold, we feel uncomfortable. …

People of all ages enjoy regular visits to public pools, whether for leisure or serious swimming. A few criteria make every visitor feel at ease: clean and hygienic pool water, …

Two Key Characteristics for Hoses and Hose Technology Who doesn’t use them somewhere — hoses — the versatile helpers used in countless applications. They safely transport gases, liquids, and even …

Technical gases reach end users via various routes. Natural gas for energy supply or process gases for the chemical industry are highly compressed and transported over long distances through pipelines …