Industrial Water Treatment
Chemistry ⇒ Industrial Chemistry
Industrial Water Treatment starts at 12 and continues till grade 12.
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Describe the function of a clarifier in industrial water treatment.
Describe the main advantage of using membrane bioreactors in industrial water treatment.
Describe the main difference between primary and secondary water treatment.
Describe the principle of reverse osmosis in water treatment.
Explain the environmental impact of discharging untreated industrial wastewater into rivers.
Explain the role of coagulants in water treatment.
In a water treatment plant, the turbidity of raw water is 50 NTU. After treatment, it is reduced to 2 NTU. What is the percentage reduction in turbidity?
The maximum allowable concentration of lead in industrial effluent is 0.1 mg/L. If a sample contains 0.15 mg/L, is it within the permissible limit?
Which method is most effective for removing bacteria and viruses from water? (1) Filtration (2) Chlorination (3) Sedimentation (4) Coagulation
Which of the following chemicals is commonly used as a coagulant in water treatment? (1) Sodium chloride (2) Aluminum sulfate (3) Potassium permanganate (4) Calcium carbonate
Which of the following is a biological method of water treatment? (1) Activated sludge process (2) Ion exchange (3) Filtration (4) Distillation
Which of the following is a common indicator of organic pollution in water? (1) pH (2) BOD (3) Turbidity (4) Hardness
The addition of __________ helps to remove fine suspended particles by forming larger aggregates in water treatment.
The process of adding chlorine to water to kill microorganisms is called __________.
The process of removing dissolved gases such as oxygen and carbon dioxide from water is called __________.
The process of removing fine particles by passing water through sand beds is called __________.
The maximum allowable concentration of lead in industrial effluent is 0.1 mg/L. If a sample contains 0.15 mg/L, is it within the permissible limit?
True or False: Activated carbon is used in water treatment to remove organic compounds and odors.
True or False: Aeration is used to increase the dissolved oxygen content in water.
True or False: Biological treatment methods are ineffective for removing heavy metals from industrial wastewater.
