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Which of the following is not an adsorbent?
a) Carbon
b) Polymers and resins
c) Clay
d) Dry sponge
Answer: d

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Incineration

Incineration is a method of treating waste which involves the combustion of the organic substances found in waste materials. ... During the process of incineration, the organic component of these compounds is destroyed and any chlorine present is converted into HCl.

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Which act was passed to protect and improve the quality of our environment?
a) The Mental Healthcare Act
b) The Coal Mines Act
c) The National Sports University Act
d) Environment Protection Act

Answer: d

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Air Pollution Index is the index of quality of air based on air pollutants and it is calculated from various air pollution data.

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The waste products from bin-scrubbers?
1. A discharge laden with salts and COD that cannot be
degraded biologically.
2; Sludge discharged from the bioreactor. (This must
be removed in an environment- conscious manner) .

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What is a condensation technique in the control of gaseous contaminants?

Condensation is a process used heavily throughout industry to convert a gas or vapor to liquid. ... If this is true, the total gas stream can be reduced in temperature to below the pollutant's dew point, which will then separate the pollutant from the remaining gas stream as a liquid.

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Adsorption, is a surface phenomenon. The gas molecules are sorbed—attracted to and held—on the surface of a solid. Gas adsorption methods are used for odour control at various types of chemical-manufacturing and food-processing facilities, in the recovery of a number of volatile solvents (e.g., benzene), and in the control of VOCs at industrial facilities.Activated carbon is one of the most common adsorbent materials.

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The major FGD processes are,
./ Limestone scrubbing - -
./ Lime scrubbing
./ Dual Alkali processes
./ Lime-spray drying
./ Wellman-Lord process

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In the context of air pollution control, absorption involves the transfer of a gaseous pollutant from the air into a contacting liquid, such as water. The liquid must be able either to serve as a solvent for the pollutant or to capture it by means of a chemical reaction.

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1.    In bioscrubber a large number of soluble and biodigradeable molecules are transferred. a)    Aquous Phase b) Gaseous Phase  c) Solid Phase

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1.    In bioscrubber a large number of soluble and biodigradeable molecules are transferred. a)    Aquous Phase b) Gaseous Phase  c) Solid Phase

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Answer A

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Wet scrubbers are classified into ____ types.
a) 2
b) 3
c) 5
d) 6
ANSWER (b)

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nitric acid is removed from atmosphere:
Fuel- denitrogenation
Tailend control equipment
Strong oxidation by Kmno4

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Bio-filters:Bio filtration is air pollution control technique which Involves bio degradation of contaminants under the action of microorganisms diffused in a thin layer of moisture known as  "bio-film" ,Mainly used for elimination of malodorous  gas emissions and low concentrations of Volatile Organic Compounds (VOCs).

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Bio-scrubber:
Bio-scrubbers or Biological scrubbers are the
biological reactors, used to remove Volatile Organic
Compounds (VOCs) and odorous molecules (like H2S
and organic sulphides) present in industrial gaseous
emissions.