What are the 2 types of wastewater?

There are two types of wastewater. Blackwater contains human waste and harmful pathogens. Greywater consists of water discharge from sources such as showers, sinks and washing machines.

What are types of waste water?

Wastewater is used water. It includes substances such as human waste, food scraps, oils, soaps and chemicals. In homes, this includes water from sinks, showers, bathtubs, toilets, washing machines and dishwashers.

What are the four major sources of waste water?

There are three types of wastewater, or sewage: domestic sewage, industrial sewage, and storm sewage. Domestic sewage carries used water from houses and apartments; it is also called sanitary sewage. Industrial sewage is used water from manufacturing or chemical processes.

What is commercial waste water?

Commercial wastewater comes from non-domestic sources, such as beauty salon, taxidermy, furniture refinishing, musical instrument cleaning, or auto body repair shops. This wastewater may contain hazardous materials and requires special treatment or disposal.

What is non sewage wastewater?

What is non-sewage? Non-sewage covers all other types of wastewater. That includes rainwater and stormwater from flooding, water from commercial activity like garages or laundrettes and water from industrial plants.

What is BOD and COD?

The biochemical oxygen demand (BOD) represents the amount of dissolved oxygen (DO) consumed by biological organisms when they decompose organic matter in water. The chemical oxygen demand (COD) is the amount of oxygen consumed when the water sample is chemically oxidised.

What are the three main types of wastewater?

The three stages of wastewater treatment are known as primary, secondary and tertiary.

What are the 5 types of pollutants we need to filter out of waste water?

To help you out, we have collected the 5 types of water pollution and a guide on how to identify them.

Types of Water Pollution and Oxygen Depleted Water.
Nutrient Pollution.
Groundwater Pollution.
Microbiological Pollution.
Surface Water Pollution.
Identifying Water Pollutants.

What are the types of industrial wastewater?

Generally, industrial wastewater can be divided into two types: inorganic industrial wastewater and organic industrial wastewater.

Where does industrial wastewater come from?

Fossil-fuel power stations, particularly coal-fired plants, are a major source of industrial wastewater. Many of these plants discharge wastewater with significant levels of metals such as lead, mercury, cadmium and chromium, as well as arsenic, selenium, and nitrogen compounds (nitrates and nitrites).

What is non sewage?

What is the difference between sewer and wastewater?

Sewage is the subset of wastewater that is contaminated with feces or urine, but is often used to mean any wastewater. Sewage includes domestic, municipal, or industrial liquid waste products disposed of, usually via a pipe or sewer (sanitary or combined), sometimes in a cesspool emptier.

Where does commercial wastewater come from?

What is in wastewater?

What is in Wastewater? Wastewater is 99.9% water. The other 0.1% is what is cause for concern. That 0.1% includes: BOD-biochemical oxygen demand.

What is wastewater treatment?

A treatment process means a physical, biological, or chemical action that is applied to wastewater to remove or reduce pollutants. A treatment unit is an individual structure or equipment within a collection system or a wastewater treatment facility that is part of a treatment process.

How do I get more information about the wastewater operator certification?

Please call (608) 266-0531 for more information. Wastewater Operator Certification Printed on 01/12/17 Preface The General Wastewater Study Guide is an important resource for preparing for the certification exam and is arranged by chapters and sections.