sewage purification

He served for many years as examiner for the London water supply and held strong views on sewage purification.

In the 1950s, the city of Los Angeles and other municipalities started using turbochargers in their sewage purification operations.

They included the construction of sewage purification plants in 100 coastal cities and the establishment of at least 25 supervised toxic waste depots.

The company runs 3,000 installations throughout the country for water supply, water quality, infrastructure, sewage purification, desalination, rain enhancement, etc.

This was the beginning of several decades of practical work that Frankland carried out on the subjects of river pollution, sewage purification, and the water supply in England and Scotland.

Sewage Purification in America: A Description of the Municipal Sewage Purification Plants in the United States and Canada.