Credit: RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA/SCIENCE PHOTO LIBRARY

Caption: Timelapse footage of the flocculation of dirty water with aluminium ions. Aluminium sulfate is added to the water, and the positively-charged aluminium ions attract negatively-charged clay and other particles, causing them to clump together. This solid floc thickens and eventually settles to the bottom, allowing the clean water to be used.

Release details: Model release not required. Property release not required.

Keywords: agent, aluminium sulfate, bench, chemical, chemistry, clean, cleaning, demonstrating, demonstration, dirty, education, educational, flocculant, flocculating, flocculation, glassware, industrial, industry, ion, ions, lab, laboratory, physics, purification, purifying, reacting, reaction, school, science, sped up, speeded up, stirring, sulphate, timelapse, water

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Flocculation of dirty water

K004/2131 Rights Managed

Downloadable master

Duration: 00:00:45

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 1,010.3M

Original

Capture format: Sony FS700

Codec: H.264

Please contact Science Photo Library if you require the original, or other formats.

 

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