4. (5pts) Which of the following statement is correct regarding to adsorption and absorption processes? A. Absorption is

[answerhappygod]

4 5pts Which Of The Following Statement Is Correct Regarding To Adsorption And Absorption Processes A Absorption Is 1 (18.06 KiB) Viewed 51 times

4 5pts Which Of The Following Statement Is Correct Regarding To Adsorption And Absorption Processes A Absorption Is 2 (12.89 KiB) Viewed 51 times

4 5pts Which Of The Following Statement Is Correct Regarding To Adsorption And Absorption Processes A Absorption Is 3 (7.13 KiB) Viewed 51 times

4 5pts Which Of The Following Statement Is Correct Regarding To Adsorption And Absorption Processes A Absorption Is 4 (13 KiB) Viewed 51 times

4 5pts Which Of The Following Statement Is Correct Regarding To Adsorption And Absorption Processes A Absorption Is 5 (8.87 KiB) Viewed 51 times

4. (5pts) Which of the following statement is correct regarding to adsorption and absorption processes? A. Absorption is a surface phenomenon where molecular species are accumulated at the surface of absorbent B. Adsorption is a bulk phenomenon where molecular or atoms would enter the bulk of the adsorbent C. Absorption process is relatively less dependent on temperature when compared to adsorption process D. Removing hardness using an ion exchange column is essentially a absorption process.
6. (5pts) What is the basic purpose for the grit removal system? A. To protect the valuable capacity of tanks and process units (by not filling them with grit). B. To protect downstream equipment, pipe elbows, valve seats, pump impellers, and other components from wear and erosion. C. To improve chlorination D. To improve sludge dewatering
7. (5pts) Which condition of a surface water, river or stream will allow more Do saturation? A. Warm water temperature B. Cold water temperature C. High pH D. Low pH
8. (5pts) When nitrification occurs in an aeration tank, the expected conditions at the end of the aerated zone would be? A. A decrease in ammonium, nitrate and alkalinity, an increase in pH B. An increase in nitrate and nitrite, a decrease in alkalinity and pH C. A reduction of alkalinity and nitrate, an increase in ammonium and pH D. An increase in pH, alkalinity, nitrate and ammonium
9. (5pts) The availability of which element or compound will reduce the efficiency of the denitrification process? A. Free Oxygen (O2) B. Methanol (CH3OH) C. Acetic acid (CH3COOH) D. Nitrate (NO)