L1 /
10
CH3041
MERCURY I
• Mercury is
15.5 more dense than water, at
20oC mercury has a high pvap®14 mg Hg m-3
20oC mercury has a high pvap®14 mg Hg m-3
• TLV 0.05 mg Hg m-3
• Production » 103 t/y
Natural environment
mobilises » 103 t/y.
Natural environment
mobilises » 103 t/y.
• Major losses
200 g Hg / t Cl2 were observed in the 1970s from the Chlor-Alkali process for making the Cl2 gas (bleach) ® still to be phased out!
200 g Hg / t Cl2 were observed in the 1970s from the Chlor-Alkali process for making the Cl2 gas (bleach) ® still to be phased out!
• Solid waste
incineration, fossil fuel comb.
release 87% of current emissions in USA.
release 87% of current emissions in USA.
• Oxidation states Hg : 0, +1, +2
Anode
Cathode
