Study on a new upgrading process of heavy oils combined with SAGD by means of hydrothermal treatment

Atsushi Kishita; H. Kamimura; C. X. Hong; H. Enomoto

Study on a new upgrading process of heavy oils combined with SAGD by means of hydrothermal treatment

Atsushi Kishita, H. Kamimura, C. X. Hong, H. Enomoto

環境科学研究科

研究成果: Paper › 査読

抄録

A study on the hydrothermal or aquathermal cracking of bitumen in the range of supercritical water clarified the reaction conditions and verified the preliminary results to develop a new on site upgrading technology. Bitumens were easily converted to light oils, with simultaneous reduction of sulfur to ~ 0.5%, vanadium to 10%, and coke production to 10%. At 703 K and 15 min reaction time with 0.1 M KOH solution at 25% water loading, sufficiently light oils for pipeline transportation were produced. The fluctuations of the oil/water ratio in the range of 0.3:1 to 1:1, KOH concentration from 0.03 to 1 M, and water loading of 20-30% are not serious influences. A continuous flow reactor of 0.5 bpd capacity for upgrading bitumen was operated. From this, fundamental data for the new process were generated. In hydrothermal cracking, H₂ or catalyst is not used. In alkali hydrothermal cracking, CO₂ or H₂S is not produced. A combined system with SAGD can use wastewater as steam for injection.

本文言語	English
ページ	1-11
ページ数	11
出版ステータス	Published - 1998 12月 1
イベント	7th International Conference 'Heavy Crude and Tar Sands' - Beijing, China 継続期間: 1998 10月 27 → 1998 10月 30

Other

Other	7th International Conference 'Heavy Crude and Tar Sands'
国/地域	China
City	Beijing
Period	98/10/27 → 98/10/30

ASJC Scopus subject areas

工学（全般）

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引用スタイル

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title = "Study on a new upgrading process of heavy oils combined with SAGD by means of hydrothermal treatment",

abstract = "A study on the hydrothermal or aquathermal cracking of bitumen in the range of supercritical water clarified the reaction conditions and verified the preliminary results to develop a new on site upgrading technology. Bitumens were easily converted to light oils, with simultaneous reduction of sulfur to ~ 0.5%, vanadium to 10%, and coke production to 10%. At 703 K and 15 min reaction time with 0.1 M KOH solution at 25% water loading, sufficiently light oils for pipeline transportation were produced. The fluctuations of the oil/water ratio in the range of 0.3:1 to 1:1, KOH concentration from 0.03 to 1 M, and water loading of 20-30% are not serious influences. A continuous flow reactor of 0.5 bpd capacity for upgrading bitumen was operated. From this, fundamental data for the new process were generated. In hydrothermal cracking, H2 or catalyst is not used. In alkali hydrothermal cracking, CO2 or H2S is not produced. A combined system with SAGD can use wastewater as steam for injection.",

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AU - Kishita, Atsushi

AU - Kamimura, H.

AU - Hong, C. X.

AU - Enomoto, H.

PY - 1998/12/1

Y1 - 1998/12/1

N2 - A study on the hydrothermal or aquathermal cracking of bitumen in the range of supercritical water clarified the reaction conditions and verified the preliminary results to develop a new on site upgrading technology. Bitumens were easily converted to light oils, with simultaneous reduction of sulfur to ~ 0.5%, vanadium to 10%, and coke production to 10%. At 703 K and 15 min reaction time with 0.1 M KOH solution at 25% water loading, sufficiently light oils for pipeline transportation were produced. The fluctuations of the oil/water ratio in the range of 0.3:1 to 1:1, KOH concentration from 0.03 to 1 M, and water loading of 20-30% are not serious influences. A continuous flow reactor of 0.5 bpd capacity for upgrading bitumen was operated. From this, fundamental data for the new process were generated. In hydrothermal cracking, H2 or catalyst is not used. In alkali hydrothermal cracking, CO2 or H2S is not produced. A combined system with SAGD can use wastewater as steam for injection.

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Study on a new upgrading process of heavy oils combined with SAGD by means of hydrothermal treatment

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