Activated sludge process Slideshow Play

Biofiltration method Slideshow Play

Biogas Slideshow Play

Biogas and biofuels Student activity Play

Biological removal of nitrogen and phosphorus compounds Student activity Play

Biological treatment of wastewater Student activity Play

Biological treatment of wastewater Slideshow Play

Biological treatment of wastewater Whiteboard exercise Play

Biological washing powders Student activity Play

Chemical pollution – nutrients Student activity Play

Eco-friendly washing powders? Slideshow Play

Enzymes in washing powders Animation Play

Industrial uses of bacteria Whiteboard presentation Play

Operation of a wastewater treatment plant Animation Play

Organic waste Student activity Play

Removal of inorganic salts from wastewater Animation Play

Types of waste Slideshow Play

Wastewater purification Animation Play

Water treatment and wastewater purification Student activity Play

Water treatment and wastewater purification Whiteboard exercise Play