Phosphate-free and chlorine-free powder composition
AssigneeDempa Holdings Ltd
InventorsAnthony WHITE, Jonathon LEE, Paul HOLME
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Abstract
A phosphate-free and chlorine-free powder composition for cleaning a fluid conduit. The composition comprising disodium metasilicate, sodium percarbonate, sodium carbonate and ethylenediaminetetraacetic acid (EDTA). The powder composition forms a disinfecting and water cleaning solution when dissolved in a liquid within the conduit. A kit of parts and a method for cleaning a fluid conduit. The kit of parts comprises a device comprising: a coil configured to be positioned around the fluid conduit; and a controller in electrical connection with the coil and the phosphate-free and chlorine-free powder composition.
Claims25
A phosphate-free and chlorine-free powder composition comprising:
- 40 to 55 wt % sodium percarbonate;
- 20 to 30 wt % disodium metasilicate;
- 20 to 40 wt % sodium carbonate;
- and
- 1 to 5 wt % ethylenediaminetetraacetic acid (EDTA).
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Dependencies are inferred from the claim text.