Process for producing synthetic ammonia and methanol by using coke oven gas and blast furnace gas

A joint production and coke oven gas technology, applied in the preparation/separation of ammonia, the preparation of organic compounds, chemical instruments and methods, etc., can solve the problems of difficulty in promoting small-scale chemical industry, multi-operation energy consumption, etc.

Inactive Publication Date: 2011-10-12
杨皓
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the nitrogen separation process requires huge equipment and high operating energy consumption, it is difficult to p

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: A certain coke oven gas composition

[0015] Component

o 2 +N 2 +A r

H 2

CH 4

CO+CO 2

C 2 +

(V％)

9

53

26

10

2

[0016] Gas depleted in hydrocarbons after separation of hydrocarbons

[0017] Component

N 2

H 2

CH 4

CO

C 2 +

(V％)

6.49

83

0.5

10

0.01

[0018] Continue to separate carbon monoxide-depleted coke oven gas components

[0019] Component

N 2

H 2

CH 4

CO

C 2 +

(V％)

0.89

98

0.01

1.0

0.001

[0020] Carbon monoxide rich coke oven gas components

[0021] Component

N 2

H 2

CH 4

CO

C 2 +

(V％)

38.2

2

2.5

56.0

0.005

[0022] blast furnace gas composition

[0023] Component

O 2

N 2 +A r

H 2

CH 4

CO

CO 2

...

Embodiment 2

[0027] Embodiment 2: certain coke oven gas composition

[0028] Component

o 2 +N 2 +A r

H 2

CH 4

CO+CO 2

C 2 +

(V％)

9

41

38

10

2

[0029] Gas depleted in hydrocarbons after separation of hydrocarbons

[0030] Component

N 2

H 2

CH 4

CO

C 2 +

(V％)

13.5

70

3.5

15

0.01

[0031] Continue to separate carbon monoxide-depleted coke oven gas components

[0032] Component

N 2

H 2

CH 4

CO

C 2 +

(V％)

11.5

88

0.01

0.4

0.001

[0033] Carbon monoxide rich coke oven gas components

[0034] Component

N 2

H 2

CH 4

CO

C 2 +

(V％)

2.2

2

9.5

87.0

0.005

[0035] blast furnace gas composition

[0036] Component

O 2

N 2 +A r

H 2

CH 4

CO

C...

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PUM

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Abstract

The invention discloses a process for producing synthetic ammonia and methanol by using coke oven gas and blast furnace gas. The method is characterized in that: after hydrocarbon substances in the coke oven gas are separated, the hydrocarbon-rich coke oven gas is directly used in other purposes, carbon monoxide is continuously separated from the hydrocarbon-deficient coke oven gas, the carbon monoxide-deficient coke oven gas is directly used for synthesizing raw material gas in the later section, and the carbon monoxide-rich coke oven gas and the blast furnace gas are matched in a certain ratio for producing methanol and synthetic ammonia or purely producing liquid ammonia. The costs of the produced liquid ammonia and the produced methanol are lower than those of common ammonia prepared from coal and methanol prepared from the coke oven gas.

Description

1. Technical field [0001] The invention relates to the field of chemical industry, and relates to a method for effectively utilizing production waste gas to produce synthetic ammonia and methanol. 2. Background technology [0002] For the technology of producing methanol from coke oven gas, the commonly used method is to convert methane into hydrogen and carbon monoxide, and then use carbon monoxide and hydrogen to synthesize methanol. Due to the decision of the production process, there is a serious surplus of hydrogen, and the hydrogen must be used for the production of other products or for power generation in order to maximize the economic benefits of this technology. Since the methane conversion process requires huge equipment and high operating energy consumption, it is difficult to popularize it in the small-scale chemical industry, and it can only be applied in large-scale coking systems. [0003] For the technology of blast furnace gas production of liquid ammonia,...

Claims

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Application Information

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IPC IPC(8): C07C31/04C07C29/151C01C1/04
Inventor 杨皓
Owner 杨皓
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