These electrical pigs, which look like child-sized Volkswagen Beetles, have only one task to perform: clean the 60 million ... [built by German company Thermo-System GmbH] are operating all ...

a technician in the OIST Biological Systems Unit. This is important for those who do not have the time or resources to maintain expensive treatment equipment—a description that fits the bill for ...

A novel nitrate removal system can clean up the wastewater produced by swine farms. Anyone who lives in Okinawa, a subtropical island in Japan, has an appreciation of the intensity of its pig ...

In cleaning the gunk out of the city’s water system, he’s been up to his elbows in one of the biggest challenges of his career. “It’s been a real pain in the pig,” Gajentan said.

[Reuters] "Pig slurry contains bacteria that bind metals that are in the mine water and they will sink to the bottom. We have used this system to clean mine waters at various mines," Eero Soininen ...