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TREATING ACIDITY IN COAL PIT LAKES USING SEWAGE AND ...

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47<br />

McCullough, Lund and May (2008)<br />

Table 7.4. Maximum increase in GAE water solute concentrations from each treatment in the microcosms<br />

with reference to initial GAE water quality (– = No data; *Total nitrogen as Kjeldahl nitrogen).<br />

Maximum potential addition to GAE water concentration (mg L -1 )<br />

GAE Greenwaste Sewage Greenwaste & Sewage<br />

(mg L -1 ) 100g 200g 100g 200g 100g 200g<br />

Total sulfur – 24 47 266 531 145 289<br />

Sulfate 2,610 – – – – – –<br />

Total N 510 280 560 1,060 2,120 670 1,340<br />

Total P

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