NEW
Font size
WorksheetsChapter 14 Advanced Wastewater Treatments
Total questions: 10
Worksheet time: 6mins
Numerous pollutants are still present in a treated wastewater because some of them are not removed by conventional secondary wastewater treatment.
TRUE
FALSE
Advanced treatment is usually required after pre-treatment.
TRUE
FALSE
Secondary treatment has low treatment efficiency for the following parameters EXCEPT ________.
Turbidity
Nutrients
Heavy metals
Resistant organisms
Which of the followings is NOT considered as micro pollutants.
Suspended solids
Pharmaceutical and personal care products
Organic chemicals
Heavy metals
What DOES NOT removed by filtration?
Residual suspended solids
Microorganisms
Soluble BOD or COD
In carbon adsorption, carbon is heated to about ________ to 'activate' the carbon surface for adsorption process.
1000 deg Celcius
1500 deg Celcius
1700 deg Celcius
In carbon adsorption, high surface area of particles with vast pore spaces (> 1000 m^2/g) is capable of ________.
Absorbing high quantity of organics.
Absorbing high quantity of inorganics.
Absorbing low quantity of organics.
Absorbing high quantity of inorganics.
In carbon adsorption, carbon becomes exhausted is indicated by
Higher removal of pollutant
Less removal of pollutant
Effluent pollutant level too low
Ultra/Microfiltration is possible to remove particles, colloids and macro and micro molecules, so that wastewater can be disinfected in this way.
TRUE
FALSE
Membrane filtration is a phase that acts as a barrier to the flow of molecular or ionic species between other phases is driven by vacuum.
TRUE
FALSE
