introduction to water chemistry. why water? water dissolves more substances than any other liquid,...
TRANSCRIPT
![Page 1: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/1.jpg)
Introduction to Introduction to Water ChemistryWater Chemistry
![Page 2: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/2.jpg)
Why Water?Why Water?
• Water dissolves more substances than any other liquid, so Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as it travelsit carries chemicals, minerals and nutrients as it travels
• The U.S. uses ~346 billion gallons of fresh water every The U.S. uses ~346 billion gallons of fresh water every day; the average American uses 80-100 gallons every dayday; the average American uses 80-100 gallons every day
• The overall amount of water on our planet has remained The overall amount of water on our planet has remained the same for two billion yearsthe same for two billion years
• 80% of the Earth’s surface is water and humans can drink 80% of the Earth’s surface is water and humans can drink only 2.5% of available wateronly 2.5% of available water
![Page 3: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/3.jpg)
![Page 4: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/4.jpg)
Water Quality Key TermsWater Quality Key Terms
• Contamination: Contamination: The presence of a minor The presence of a minor component in another chemical or mixture.component in another chemical or mixture.
• Purification: Purification: To make something pure or to cleanse.To make something pure or to cleanse.• Remediation: Remediation: To correct something that has gone To correct something that has gone
bad or defective.bad or defective.• Adsorption: Adsorption: The adhesion of atoms, ions or The adhesion of atoms, ions or
molecules from a gas, liquid or dissolved substance molecules from a gas, liquid or dissolved substance to a surface. to a surface.
![Page 5: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/5.jpg)
How do we purify water?How do we purify water?
• Larger-scale methodsLarger-scale methods– reverse osmosisreverse osmosis– ultra-filtrationultra-filtration– electro-deionizationelectro-deionization
• Smaller-scale methodsSmaller-scale methods– filtersfilters– boilingboiling
![Page 6: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/6.jpg)
Reverse OsmosisReverse Osmosis
![Page 7: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/7.jpg)
FiltersFilters
![Page 8: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/8.jpg)
Activated CarbonActivated Carbon
![Page 9: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/9.jpg)
Boiling WaterBoiling Water
![Page 10: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/10.jpg)
Contamination SourcesContamination Sources
• leaking sewageleaking sewage• leaking underground fuel storage tanksleaking underground fuel storage tanks• pesticide and herbicide runoffpesticide and herbicide runoff• landfills and dumpslandfills and dumps• industrial wasteindustrial waste• and more…and more…
![Page 11: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/11.jpg)
Sewage SpillsSewage Spills
![Page 12: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/12.jpg)
Underground Storage Tanks Underground Storage Tanks
![Page 13: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/13.jpg)
Pesticides and HerbicidesPesticides and Herbicides
![Page 14: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/14.jpg)
Industrial Waste SpillsIndustrial Waste Spills
![Page 15: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/15.jpg)
~ Remediation Methods ~~ Remediation Methods ~Pump-and-TreatPump-and-Treat
![Page 16: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/16.jpg)
Permeable Reactive BarrierPermeable Reactive Barrier
![Page 17: Introduction to Water Chemistry. Why Water? Water dissolves more substances than any other liquid, so it carries chemicals, minerals and nutrients as](https://reader035.vdocuments.us/reader035/viewer/2022062421/56649e425503460f94b34499/html5/thumbnails/17.jpg)
Nanoparticle InjectionNanoparticle Injection