The kinetics studies of the asphaltene-resin-paraffin deposits dissolution in hexane and hexane mixtures

Authors: I.K. Ivanova, E.Yu. Shitz (Institute of Oil and Gas Problems, Siberian Branch of RAS, RF, Yakutsk)

Key words: asphaltene-resin-paraffin deposits, order and reaction rate constant, diffusion and the kinetic regime, aliphatic, naphthenic and aromatic hydrocarbons.

In this paper the results of the kinetics studies of the paraffin the asphaltene-resin-paraffin deposits (ARPD) dissolution in hexane, hexane-benzene and hexane-cyclohexane-benzene mixtures at temperature range from 10 to 60oC are considered. Half-life periods, the order of reaction, rate constants and activation energies of the ARPD destruction in model systems are determined.

References

1. Kamenshchikov F.A., Udalenie asfal'tosmoloparafinovykh otlozheniy rastvoritelyami (Removal asphalt, resin, and paraffin deposits using solvent), Moscow-Izhevsk: Publ. of NITs “Regulyarnaya i khaoticheskaya dinamika”, Izhevskiy institut komp'yuternykh issledovaniy, 2008, 384 p.

2. Bulatov A.I., Kusov G.V., Savenok O.V. Asfal'to-smolo-parafinovye otlozheniya i gidratoobrazovaniya: preduprezhdenie i udalenie (Asphalt-resin-paraffin deposits and hydrate formation: prevention and removal), V.2, Krasnodar: Publishing House “Yug”, 2011, 348 p.

3. Dolomatov M.Yu., et al., Fiziko-khimicheskie osnovy napravlennogo podbora rastvoriteley asfal'tosmolistykh veshchestv (Physico-chemical basis of directional selection solvent of asphalt-resins), Moscow: Publ. of TsNIITEneftekhim, 1991, 47 p.

4. Ivanova I.K., Shits E.Yu., Neftyanoe khozyaystvo – Oil Industry, 2009, no. 12, pp. 99 – 101.

5. Ivanova I.K., Shits E.Yu., Khimiya v interesakh ustoychivogo razvitiya – Chemistry for Sustainable Development, 2010, no. 6, V. 18, pp. 735-739.

6. Ivanova I.K., Rykunov A.A., Neftyanoe khozyaystvo - Oil Industry, 2010, no. 11, pp. 108-110.

7. Ivanova I.K., Rykunov A.A. Shits E.Yu., Rudy i metally, 2011, no. 3-4, pp. 73-74.

Key words: asphaltene-resin-paraffin deposits, order and reaction rate constant, diffusion and the kinetic regime, aliphatic, naphthenic and aromatic hydrocarbons.

In this paper the results of the kinetics studies of the paraffin the asphaltene-resin-paraffin deposits (ARPD) dissolution in hexane, hexane-benzene and hexane-cyclohexane-benzene mixtures at temperature range from 10 to 60oC are considered. Half-life periods, the order of reaction, rate constants and activation energies of the ARPD destruction in model systems are determined.

References

1. Kamenshchikov F.A., Udalenie asfal'tosmoloparafinovykh otlozheniy rastvoritelyami (Removal asphalt, resin, and paraffin deposits using solvent), Moscow-Izhevsk: Publ. of NITs “Regulyarnaya i khaoticheskaya dinamika”, Izhevskiy institut komp'yuternykh issledovaniy, 2008, 384 p.

2. Bulatov A.I., Kusov G.V., Savenok O.V. Asfal'to-smolo-parafinovye otlozheniya i gidratoobrazovaniya: preduprezhdenie i udalenie (Asphalt-resin-paraffin deposits and hydrate formation: prevention and removal), V.2, Krasnodar: Publishing House “Yug”, 2011, 348 p.

3. Dolomatov M.Yu., et al., Fiziko-khimicheskie osnovy napravlennogo podbora rastvoriteley asfal'tosmolistykh veshchestv (Physico-chemical basis of directional selection solvent of asphalt-resins), Moscow: Publ. of TsNIITEneftekhim, 1991, 47 p.

4. Ivanova I.K., Shits E.Yu., Neftyanoe khozyaystvo – Oil Industry, 2009, no. 12, pp. 99 – 101.

5. Ivanova I.K., Shits E.Yu., Khimiya v interesakh ustoychivogo razvitiya – Chemistry for Sustainable Development, 2010, no. 6, V. 18, pp. 735-739.

6. Ivanova I.K., Rykunov A.A., Neftyanoe khozyaystvo - Oil Industry, 2010, no. 11, pp. 108-110.

7. Ivanova I.K., Rykunov A.A. Shits E.Yu., Rudy i metally, 2011, no. 3-4, pp. 73-74.


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