Inorganic polluntant gases Sulfure oxides

What are the major components of the sulfur cycle?

a

What are the major non-anthropogenic sources of sulfur and how is the sulfur

released?

a

Describe the main sources of SO2 from coal combustion! (RED)

a

What are the primary by-products of combustion of fuels and what are they

burned?

a

How does the temperature of SO2-SO3 conversion influence the combustion of

fuels? (RED)

a

Describe in detail the transformation of SO3 to H2SO4 in the flue gas! (RED)

a

List at least three factors that influence the chemical reactions of atmospheric SO2!

a

Which components of the atmosphere contribute to the photooxidation of SO2?

a

Which components of the atmosphere oxidize the SO2 present, and what is the

end product of this reaction, and which components of the atmosphere can

catalyze this process?

a

Give the definition of the acidic rain and its anthropogenic components! (RED)

a

Which metal dissolution can cause phytotoxicity under acidic rain and what is the

typical pH range of the phenomenon?

a

Which extinction of freshwater organisms indicates the effect of increased acid

rain?

a

Which components of the paper and what kind of transformation causes it to turn

yellow?

a

What are the primary solutions to reduce anthropogenic SO2 emissions? (RED)

a

How do SO2 emissions from solid and gas fired power plants relate?

a

What are the most important desulphurisation solutions for coal? (RED)

a

Describe any of the three methods described for the desulphurisation of liquid fuels!

(RED)

a

Describe briefly the 3 steps of the Claus process for depleting H2S! (RED)

a

Provide the by-products and main products of the flue gas SO2 decontamination

process (including lime and limestone)! (RED)

a