Figure 9.

Trapping an organomercury fungicide, (2‐methoxyethylmercury chloride, MEMC), using the porous canola oil polysulfide. (a) Incubating a 0.15 g L⁻¹ aqueous solution of MEMC with 2.0 g of the porous canola oil polysulfide for 24 hours resulted in the removal of 98 % of the mercury in solution. (b) Filters were constructed in the barrel of 10 mL syringes using soil (3.0 g), a random mixture of soil (1.5 g) and porous polysulfide (1.5 g), layers of soil (1.5 g) and polymer (1.5 g) separated by cotton, and solely porous polysulfide (3.0 g). Cotton plugs were used at the base of each column. Passing 3 mL of the MEMC solution (0.15 g L⁻¹) resulted in reduction of mercury in the flowthrough. The soil layered on the polymer and the polymer alone were most effective, removing 75 and 73 % of the mercury, respectively.