sasol nitro, sasol wax, sasol infrachem and merisol Ø During the year, Sasol Nitro started construction on its 400 000 tpa  limestone ammonium nitrate fertiliser granulation facility at Secunda. highlights o Sasol Nitro commenced substantial restructuring o  Sasol Wax’s performance improved through careful management of margins  o  Sasol Infrachem continued work to enhance energy effi ciency o Merisol reduced costs and defended its market position  Financial % change 2010 2009 Operating profi t/(loss) Rm 125 892 (3 525) Operating margin % 132 6 (19) Contribution to group  operating profi t % 129 4 (14) Environmental  In 2010, the utilisation of gas, the supply of steam and electricity from coal, water supply and effluent treatment for the chemicals  businesses in Sasolburg, resulted in the direct emission of 4,8 Mt of the greenhouse gas, carbon dioxide.  Total water use in 2010 was 24,2 million cubic metres (Mm$^{3}$). annual review 2010 • operating reviews •  sasol nitro, sasol wax, sasol infrachem and merisol 57