Research Article
Phosphorus Removal from Wastewater Using Oven-Dried Alum Sludge
Table 4
Main properties of adsorbate.
| | Name of component | Potassium dihydrogen orthophosphate |
| | Chemical symbol | KH2PO4 | | Name of company | The British Drug Houses LTD/England | | Molecular weight | 136.09 kg/kg·mole | | Assay (acidimetric) | 99 to 101 per cent | | Chloride (Cl) | Not more than 0.01 per cent | | Sodium (Na) | Not more than 0.2 per cent | | Sulphate (SO4) | Not more than 0.05 per cent | | pH (1 percent solution) | 4.5 to 4.7 |
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