Aqueous dispersions of heavy oil residues
US8262385B2 · kind B2 · utility
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3References
5Claims
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Key dates
| Filing date | Feb 22, 2002 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Oct 6, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A description follows of an aqueous dispersion of heavy oil residues, suitable for undergoing combustion with a low emission of SOx, comprising: (a) a heavy oil residue; (b) a dispersing agent; (c) a desulfurizing agent selected from CaCO3, MgCO3, dolomite and relative mixtures; (d) a desulfurizing agent with stabilizing and anti-corrosive properties selected from MgO, Mg(OH)2, CaO, Ca(OH)2 and relative mixtures; (e) water; the weight percentage of (e) with respect of the sum of (a)+(e) being at least 15%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.