Browse Prior Art Database

KTC-150 BULK METHANOL

IP.com Disclosure Number: IPCOM000221361D
Publication Date: 2012-Sep-06
Document File: 42 page(s) / 3M

Publishing Venue

The IP.com Prior Art Database

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Reectton~ Btu

94,500 ~Endo) 42,593

(Endo)

(Endo)

(Endo)

(Endo)

(Exo)

(Exo):

(Exo)

(Exo)

32,040

43,510

53,700

38,930

239,890

88,050

Heat of

109,710

co + 23 H2(2 to 1 H~/CO)

H20

H20 3H20 H20 H20 H 2

+

+

FEED TO REFORMER

Chemical Reaction

H20 = l~ CH30H ¯

CO 2 = C2HsOH

CO 2 = C4HgOH +

CO 2 = CH3-O-CH 3

CH30H

C2H50H +

C4HgOH +

CH3-O-CH3+

~ c02 + ~ H20 = l~

All components assumed in vapou~ stats at 77°F cata=ence.

CH 4

CO 2

=

=

=

=

=

=

2H 2

4H 2

8H 2

4H 2

3H 2

H20

TABLE 1

REACTIONS BASED ON CH4-CO ?

J

½

½

+

+

+

+

+

+

~ CO 2 +

l½ CH 4 +


3 CH 4 +

1½ CH 4 +

CO

2C0

4C0

2C0

CO

CO

CH 4 +

CH 4 +

(Refocm£ng) (Overall Plant)

(Methanol) (Ethanol) (Butanol) (Methyl Ethe¢)

Ethe~)

(Methanatlon) (CO Shift)

(Loop Reactione)

(Methanol) (Ethanol) (Butanol) (Methyl

Notes:


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Btu

(Endo)

(Endo)

(Endo)

Heat oF Reaction

I

88,600 (Endo) 49,670

(Endo)

67,490

i14,510

89,150

FEED TO REFORRER

2H 2 ÷ H 2 (excess)

+ H 2 (excess)

+ 2H 2 (exCess)

+ 4H 2 (excess)

+ 2H 2 (excess)

TABLE 2

REACTZONS BASED ON CH 4

Chemlcal Rsaotlon

CH30H

C4HgOH

CH 4 + H20 = CO +

All components assumsd An vapou¢ state at 77°F ¢srecsnce.

C2H50H

CH3-O-CH 3

=

= =

=

H20

H20

H20

H20

+

+

+

+

CH 4

2CH4

4CH 4

2CH 4

(Ove~a.l.1 Plant)

(Methanol) (Ethanol) (Butanol) (Methyl

Eths¢)

Nots:


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Design oases involving CH4-H20 feed to reformer are associated uith folloutng typical reaction= CH 4 + H20 = CH30H + H 2 (excess).

All components in hast of reaction based on uspour state st 77°F reference.

1552

1467

1547

1938

Heat of Reaction - BTU/Lb Product

TABLE 3

HEAT REQUIREMENTS PER UNIT ~EIGHT OF PRODUCT

(bETH AND ~ITHOUT COy FEED TO REFORMER)

998

697

589

1167

Feed Mix To Reformer

Methanol

Ethanol

Butanol

Methyl Ether

Baele~

Design cases involving CH4-CO2-H20 feed to reformer are associated ulth foZloutng typical overall reaction for methanol= CH

4 + ~ CO 2 + ~ H20 = 1~ CH3OH.


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to Reforms

Case 2* With Flue Gas Scrubbing For CO? Recovery.

Steem-CH4-CO ?

402 - 368 C8.38 Role.)

of


1.25

Assumes efficiency of 85~ for reformer and represents heat losses associated with the heat reaction in forming a CO and H2 synth...