Secondary Water Treatment - Water and Wastewater Information ...

Articles & Whitepapers

How Can We Prevent Sewage Pollution in the United Kingdom from Worsening?

There are 7.8 billion people on Earth, and the amount of human waste the population produces massively impacts the environment and human health. In sewers, human waste mingles with personal hygiene products, household chemicals, pharmaceuticals and other contaminants, creating highly toxic wastewater that pours pollutants and 6.2 million tons of nitrogen into coastal water every year. The result ...

Preliminary and Primary Treatment of Wastewater (or Sewage)

is the first of the three distinct steps involved in traditional sewage treatment plants. Primary wastewater treatment is the first of three treatment phases that follow pre-treatment. In fact, ...

Protecting Workers from Exposure to 1,3-Butadiene and Other Chemical Hazards

Back in 1988, California’s Office of Environmental Health Hazard Assessment (OEHHA) added 1,3-butadiene to the list of chemicals known to the state to cause cancer for purposes of Proposition 65. Sixteen years later, it was also added to the ...

Showcase

3` Protector Evidence Drying Cabinet with UV Light

Protector Benchtop Evidence Drying Cabinets provide a compact, space-saving method of securely drying evidence. The cabinet's HEPA and carbon filtered exhaust protects personnel from exposure to biohazards while eliminating nuisance odors. The key-activated ultraviolet light provides secondary disinfection of the interior between cases to prevent cross contamination, ensuring integrity of ...