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2 134 147

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IPC

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Application

98119290/25, 1998-10-27

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Start date

1998-10-27

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Actual filing date

1998-10-27

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Published

1999-08-10

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Inventor

Ozhegov A.I.Daut V.A.Majer V.V.Sharov A.N.Ozhegov Ju.I.Garejshin M.G.Lysov A.V.Sitnikov S.L.Konovalov S.Ja.Khvorostjanyj V.S.Iljukhin N.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PROCESSING NATURAL GAS TO PRODUCE WATER STEAM AND METHANOL Russian patent published in 1999 - IPC

Abstract RU 2134147 C1

FIELD: natural gas processing. SUBSTANCE: original gas is picked under pressure 14.0-16.5 atm and divided into two streams. Main process stream is heated to 80 C in high-pressure heat exchanger by heat of circulation gas having temperature 105-110 C. Main stream gas is then desulfurized and subjected to steam catalytic conversion to produce converted gas, evolved heat and steam being utilized in the process. After that, gas is compressed to 75 atm and methanol synthesis with unreacted gas circulation to recuperate its heat is carried out. Unreacted gas is further cooled in air-cooling apparatus and in recycled water cooler to condense methanol. The second stream of original gas is decompressed, heated and methanol-mediated heater to 50-60 C and used as fuel gas. EFFECT: enhanced process efficiency. 1 dwg

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RU 2 134 147 C1

Authors

Ozhegov A.I.

Daut V.A.

Majer V.V.

Sharov A.N.

Ozhegov Ju.I.

Garejshin M.G.

Lysov A.V.

Sitnikov S.L.

Konovalov S.Ja.

Khvorostjanyj V.S.

Iljukhin N.A.

Dates

1999-08-10—Published

1998-10-27—Filed