Improving Water Quality Purification of Drinking Water General process: Collected from reservoir or ground water.

Slides:

Advertisements

Similar presentations

What happens to water after we’re done with it?

Advertisements

Wastewater Treatment City of London. What is Wastewater? Water used in our communities and businesses leaves as wastewater to be treated and returned.

TENNYSON BEN-KALIO A CHE 120 PROF. WAN JIN JANHG.

Water Pollution and Treatment

Water Treatment Wastewater Treatment

“Let’s talk about poop, baby” The day every five-year old boy dreams of…

Wastewater Treatment. Water Pollution  Any chemical, biological, or physical change in water quality that has a harmful effect on living organisms or.

AND. WaterTreatmentWastewaterTreatment Water Treatment & Wastewater Treatment.

7.1 Wastewater Treatment Process

Water Purification and Sewage Treatment

UNIT 4: ENVIRONMENTAL SCIENCE 302 LOCH. Fine Sand Coarse Sand Pebbles Beaker Coffee Filter.

Environmental Health X. Rodents and Insects Shu-Chi Chang, Ph.D., P.E., P.A. Assistant Professor 1 and Division Chief 2 1 Department of Environmental Engineering.

History In 1932 Plymouth constructed its first wastewater treatment plant In 1959 they transferred the sewage utilities over to Plymouth Utilities.

Chapter 21 Jesus Ramirez Jake McCleery. eutrophication Physical, chemical, and biological changes that take place after a lake, estuary, or slow-flowing.

Water quality affected by some anthropogenic influence. Origin - domestic, industrial & commercial or agricultural activities.

WATER TREATMENT.

Wastewater Treatment. Collection Sewers Collect wastewater and bring it to the wastewater treatment plant – Combined sewer overflows: Take untreated sewage.

Sewage Treatment. Reducing Water Pollution through Sewage Treatment Septic tanks and various levels of sewage treatment can reduce point- source water.

What makes water dirty? How do we clean it. Can dirty water be cleaned? If you are like most people, you have not given ten seconds of thought to how.

© 2011 Pearson Education, Inc. AP Environmental Science Mr. Grant Lesson 74 Wastewater and Its Treatment.

Sewage Treatment.

Water Treatment Processes. Why do we need to treat our drinking water?  Industrial runoff  Agricultural runoff  Road runoff  Residential runoff.

Water Waste Treatment.

SEWAGE TREATMENT.  Sewage is the mainly liquid waste containing some solids produced by humans, typically consisting of washing water, urine, feces,

Human Waste Disposal  More than 500 pathogenic bacteria, viruses, and parasites can travel from human or animal excrement through water.  Natural Processes.

Human Waste Disposal More than 500 pathogenic bacteria, viruses, and parasites can travel from human or animal excrement through water. More than 500 pathogenic.

Water Pollution Chapter 22. Types of Water Pollution Sewage ↑ Enrichment Explosion in algal, bacteria, & decomposer populations ↑ Biological oxygen demand.

Southeast Energy/Water Interdependence Exercise Basic Drinking Water Treatment EPA-R4 Drinking Water Section April 25, 2007.

Sewage Treatment. In the U.S. Sewage treatment is a common practice In the 1970’s many cities were still dumping raw sewage into waterways In 1972, the.

Sewage Treatment.

Chapter 22 Water Pollution. Types of Water Pollution  Water pollution  Any physical or chemical change in water that adversely affects the health of.

MIC 303 INDUSTRIAL AND ENVIRONMENTAL MICROBIOLOGY CHAPTER 10-SEWAGE (WASTEWATER) TREATMENT.

WASTEWATER TREATMENT NOTES

Biological filtration mechanical filtration. Sludge/Biosolids Solids that settle out in the primary & secondary settling tanks. The digestion of sludge.

Review of Environmental Engineering II. Water quality management Water pollutants sources – Point sources – Nonpoint sources Water pollutants – Oxygen.

Liquid Waste Management

Last Question of the Day- For first semester! 1. How do you get the waste out of wastewater o For Friday, please gather all Questions of the day to turn.

Wastewater Treatment. Municipal Systems … ~75% of Canadians are on these waste water systems Waste leaves your home  enters a service line  enters sewer.

Water and Wastewater Treatment

What is wastewater treatment Usually refer to sewage treatment, or domestic wastewater treatment process of removing contaminants from wastewater, both.

Water Treatment Plants. Removes pathogens and toxic elements to prepare water for use in homes and businesses Makes water potable (drinkable)

© 2011 Pearson Education, Inc. AP Environmental Science Mr. Grant Lesson 74 Wastewater and Its Treatment.

Wastewater Treatment Principles and Regulation. What is Wastewater? Sewage released by residences, businesses and industry Contains liquid and solid components.

Waste Water Treatment. Assignments Draw, label and explain each step in the wastewater treatment process.

By: Tyler Stevens Mikayla Stern-Ellis Zach Jones & Althea.

ENVIRONMENTAL SCIENCE 5.4 The Waterworks. At the Waterworks When reservoirs or rivers are the source of drinking water, the water must be treated to remove.

Freshwater pollution. What is water pollution? …the introduction of chemical, physical, or biological agents into water that degrades the quality of the.

Our Water Systems

Ch. 22 Water Pollution. Oil Spills  Sources: offshore wells, tankers, pipelines and storage tanks  Effects: death of organisms, loss of animal insulation.

Water Pollution. Overview o Types of Water Pollution Sewage Sewage Disease-causing agents Disease-causing agents Sediment pollution Sediment pollution.

WASTE WATER TREATMENT.

What is wastewater and why should we treat it (clean it)? Wastewater is a term that is used to describe waste material that includes sewage waste (poop,

Waste Water Treatment.

Liquid Waste Management

PREVENTING AND REDUCING SURFACE WATER POLLUTION

“Let’s talk about poop, baby”

Chapter 22 Water Pollution.

Water Treatment.

Flush to Finish.

Sewage Treatment.

Liquid Waste Management

Water Treatment.

Sewage Treatment.

Water treatment Potable water…water that is drinkable; safe for consumption Drinking water treatment is widespread in developed countries today However,

Water Treatment.

Water Pollution.

Major Water Pollutants

Water purification in water treatment plant.

Water Treatment.

Presentation transcript:

Improving Water Quality Purification of Drinking Water General process: Collected from reservoir or ground water.

Improving Water Quality Purification of Drinking Water General process: Water treated YouTube - The water treatment process

Improving Water Quality Purification of Drinking Water Water treatment includes: 1.Treatment with a coagulant 2.Filtration 3.Activated carbon 4.Disinfection 5.fluoridation

Improving Water Quality Water Treatment Plant

Improving Water Quality Purification of Drinking Water Disinfection can be one of the following: 1.Chlorine 2.Ozone 3.UV-light

Improving Water Quality Purification of Drinking Water General process: Distributed to customers Wastewater collected as sewage

Improving Water Quality Purification of Drinking Water General process: Sewage treated

Improving Water Quality Videos: YouTube - "where does it go?" THE MOVIE YouTube - What happens when you flush? YouTube - Waste Water Treatment Made Simple... YouTube - California plant turning raw sewage into drinking water

Improving Water Quality Municipal Sewage Treatment Primary treatment – removal of suspended and floating particles by mechanical processes such as screening and gravitational settling.

Improving Water Quality Municipal Sewage Treatment Secondary Treatment – Biological decomposition of suspended organic matter Tertiary Treatment - Variety of biological, chemical, and physical processes used to remove minerals, heavy metals, viruses, organic compounds, nitrogen, phosphorus, etc.

Improving Water Quality Municipal Sewage Treatment Primary and Secondary Sewage Treatment

Improving Water Quality Municipal Sewage Treatment Effectiveness of primary, secondary, and tertiary sewage treatment

Improving Water Quality Municipal Sewage Treatment Major problem associated with wastewater treatment is disposal of sludge Can be used as fertilizer, but there may be health risks (e.g., heavy metal poisoning) Used to be dumped in ocean. That is now banned Currently, most is dumped in landfills

Improving Water Quality Individual Septic Systems Septic tank

Improving Water Quality Individual Septic Systems Drain field