sewage造句

a main in a sewage system.

Plug bathtub and sink drains to prevent sewage backup.

All the sewage drains off into the lake.

Deodorization of sewage treatment plant incinerator flue gas.

But aerating sewage is expensive and difficult; using anaerobic bacteria is cheaper and simpler.

Rows of squat warehouses roofed in corrugated steel or terra-cotta tile front sewage-choked waterways.

The region's sewage runoff contains more than 14 milligrams of vanilla per liter.

These microbes are now being spread round the country in river water and in sewage sludge used on farms.

The center said a sewage sample contained more than 20 times the amount of chromium-6 allowed by national standards.

The disease can thus spread rapidly in areas where sewage and drinking water supplies are inadequately treated.

In countries without adequate sewage disposal systems, faeces and articles soiled with faeces may need to be disinfected before disposal.

He also did one fabulous thing: he decided that whatever calculations he made for the flow of sewage, he would double them, for the future.

The process treats the sewage water, which is then released into the ocean, and after the algae is harvested, the plastic bags can be recycled.

The Liujiang River, which is the main source of drinking and industrial water use of the city, suffered from pollution from untreated sewage and rainwater flows.

Day after day, we pour millions of tons of untreated sewage and industrial and agricultural wastes into the world's water systems.

Methods:Aerobic bacterial count and fecal coliform in sewage of doemestic and hospital were analysed before and after activated bio-filter treatments.

This, Haddad says, is why people find it acceptable to get their water supply from their local river, even though that river water at one point mingled with the sewage of the town upstream.

Effluent discharges of industrial wastewater and raw sewage into rivers, lakes and inshore coastal areas have not only adversely affected marine life and aquatic resources, but have also jeopardized one of the major necessities for sustaining life-Potable Water.

A health authority may take all practicable measures to control the discharges from any ship of sewage and refuse which might contaminate the waters of a port, river or canal.

Bacteria housed on a graphite fiber anode break down the fats, proteins and sugars in sewage, freeing up a steady stream of electrons, which the bacteria transfer directly into the electrode.

"The Yeomans Brothers began operation on the near north side of Chicago in 1898. They specialized in the first vertical shaft Bilge pump, and later expanded by adding a growing line of sewage pumps for the waste treatment and process markets."