Environmental Chemistry: Water (LC 2026) (Leaving Cert Chemistry): Flashcards
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13 cards from this deck
TSS definition
TSS definition
Particulate matter that does not dissolve in water
TDS definition
TDS definition
Ions and small molecules dissolved in water
Method to determine TSS
Method to determine TSS
Filtration
Method to determine TDS
Method to determine TDS
Evaporation of filtered water
Drying temp. for TSS and TDS tests
Drying temp. for TSS and TDS tests
Water volume for TSS test
Water volume for TSS test
1 litre
Water volume for TDS test
Water volume for TDS test
Units for TSS and TDS
Units for TSS and TDS
mg/l or ppm
Causes of high TSS levels
Causes of high TSS levels
Algal growth, sewage discharges, sandpit washings
Why filter before TDS test
Why filter before TDS test
Removes suspended solids for accurate TDS measurement
Environmental impact of high TSS
Environmental impact of high TSS
Reduces light penetration, harms plants and aquatic life
How TSS removed in treatment plants
How TSS removed in treatment plants
Settling in tanks and filtration through sand/gravel
How TDS removed in purification
How TDS removed in purification
Reverse osmosis, distillation, or ion exchange