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14. Nutrient Pollution to spec - Statistics
General Stats
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This quiz has been taken 2 times
0 since last reset
- The average score is 0 of 66
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| Secondary treatment steps | Aeration tanks | 0%
|
| Aeration tanks (6 words) | Aerobic bacterial decomposition by activated sludge | 0%
|
| Deoxygenation kills ______ _________, causing __________ as ____ releases _______ nutrients | Aerobic organisms, eutrophication, decay, inorganic | 0%
|
| Sludge disposal | Agricultural use | 0%
|
| ____ and __________ absorb dissolved _______ and grow _____ | Algae, cyanobacteria, nutrients, rapidly | 0%
|
| Sludge treatment: ________ _______ digest sludge in a ____ digestion tank for __ weeks | Anaerobic microbes, warm, 4 weeks | 0%
|
| Tertiary treatment steps | Bacterial microfilters | 0%
|
| Human impacts | Blue baby syndrome | 0%
|
| Grit traps: the ______ _____ so grit is _______ as water loses ______ ______ | Channel widens, deposited, kinetic energy | 0%
|
| Pathogen examples | Chloera | 0%
|
| Effects | Cultural eutrophication | 0%
|
| __________ releases ____ that harmful to ______ and ______ | Cyanobacteria, toxins, humans, animals | 0%
|
| Anaerobic decay causes... | Deoxygenation | 0%
|
| Effects (5 words) | Deoxygenation from microbial aerobic decomposition | 0%
|
| Secondary treatment goals (5 words) | Digestion of remaining organic matter | 0%
|
| Sludge disposal | Dispersal into the sea | 0%
|
| Define eutrophication (8 words) | Excessive nutrient enrichment causing algal blooms and oxygen depletion | 0%
|
| Primary sedimentation tanks: ______ ____ sink to the bottom to be treated separately as ______ | Faecal solids, sludge | 0%
|
| Controls | Fertiliser application timing | 0%
|
| Nitrate sources | Fertilisers | 0%
|
| Effects | Food webs | 0%
|
| Pre-treatment steps | Grit traps | 0%
|
| Blue baby syndrome: ___ ______ converts ______ to ___ which reacts with _________ and reduces oxygen carrying capacity | Gut bacteria, nitrates, NOx, haemoglobin | 0%
|
| Sludge disposal | Incineration | 0%
|
| X precipitates phosphates from a liquid as sediments that can be dredged | Iron (III) sulfate | 0%
|
| Phosphate removal methods (2) | Iron (III) sulfate, microstrainers | 0%
|
| Controls | Iron phosphate precipitation | 0%
|
| Sludge disposal | Landfill | 0%
|
| Nitrate sources | Leachate | 0%
|
| Controls | Legume cultivation | 0%
|
| Controls | Low-solubility fertilisers | 0%
|
| Nitrate sources | Manure | 0%
|
| Organic wastes | Manure | 0%
|
| Controls | Nitrate vulnerable zones | 0%
|
| Aeration tank methods to aerate | O2 bubbling | 0%
|
| Aeration tank methods to aerate | Paddles | 0%
|
| Organic wastes | Paper industry | 0%
|
| Organic wastes may contain... | Pathogens | 0%
|
| Tertiary treatment steps | Phosphate removal | 0%
|
| Controls | Ploughing timing | 0%
|
| Human impacts | Possible carcinogen | 0%
|
| Major treatment stages | Pre-treatment | 0%
|
| Major treatment stages | Primary treatment | 0%
|
| Sludge treatment goals | Reduce odours | 0%
|
| Sludge treatment goals | Reduce pathogens | 0%
|
| Sludge treatment goals | Reduce volume | 0%
|
| Primary treatment goals | Remove 95% organic matter | 0%
|
| Tertiary treatment goals | Remove inorganic nutrients | 0%
|
| Pre-treatment goals | Remove solids | 0%
|
| Trickling filter beds: _______ ___ spray effluent over _________ ____ of _____ | Rotating arms, cylindrical tanks, gravel | 0%
|
| Nitrate sources | Runoff | 0%
|
| Pre-treatment steps | Screens | 0%
|
| Secondary treatment steps | Secondary sedimentation tanks | 0%
|
| Major treatment stages | Secondary treatment | 0%
|
| Primary treatment steps | Sedimentation tanks | 0%
|
| Organic wastes | Sewage | 0%
|
| Phosphate sources | Sewage effluent | 0%
|
| Organic wastes | Silage fluids | 0%
|
| Major treatment stages | Sludge digestion | 0%
|
| Tertiary treatment steps | Sterilisation | 0%
|
| Floating algae shades... | Submerged and benthic macrophytes | 0%
|
| Secondary sedimentation tanks: _________ _______ is returned as _______ _____, clear effluent can be discharged | Suspended bacteria, activated sludge | 0%
|
| Major treatment stages | Tertiary treatment | 0%
|
| Secondary treatment steps | Trickling filter beds | 0%
|
| Pathogen examples | Typhoid | 0%
|
| ORGANIC NUTRIENTS SAY YAY | YAY | 0%
|
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