Noun
a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain
Source: WordNetElectricity generation produces a large share of Canadian nitrogen oxides and sulphur dioxide emissions, which contribute to smog and acid rain and the formation of fine particulate matter. Source: Internet
Natural causes An erupting volcano can also emit high levels of sulphur dioxide along with a large quantity of particulate matter; two key components to the creation of smog. Source: Internet
The SPPC segment removes and/or produces merchant, regenerated, and ultra-pure sulphuric acid, sodium hydrosulphite, elemental sulphur, liquid sulphur dioxide, hydrogen sulphide, sodium bisulphite, and sulphides. Source: Internet
And sulphur dioxide fumes from oil refineries corrode the Taj’s exteriors. Source: Internet
But campaigners say the sulphur levels are still too high, resulting in emissions of fine particles and sulphur dioxide harmful to human health. Source: Internet
The use of desulfurized fuels has led to a 25% reduction of sulphur dioxide emissions between 1997 and 2004, and a further 7.2% drop by 2007. Source: Internet