Weitere ähnliche Inhalte Ähnlich wie DME Production Process Flow Diagram (20) 1. 540 C, 33.3 bar
HX2
HX1
Natural Gas
91.63% Methane
@ 35 ᵒC, 34 bar
HP Steam
@ 230 ᵒC, 9 bar
Preformer
@540ᵒC, 33.3 bar
Reformer
@ 940ᵒC, 29.6 bar
940 ᵒC, 29.6 bar
Methanol
Synthesis
@ 250 ᵒC, 48 bar
HX4 HX5
940 ᵒC, 29 bar 400 ᵒC, 28.9 bar
75 ᵒC, 28.3 bar
@141ᵒC, 48 bar
Water
99.99%
@ 75ᵒC, 1 bar
HP Steam
@ 230 ᵒC, 9 bar
51.3% CO2
23.5% H2
11.8% CO
3.5% methanol
104 ᵒC, 29.6 bar
Oxygen
93% oxygen
@ 104 ᵒc, 12 bar COMPRES2
COMPRES3
52% CO2
23% H2
12% CO
5% argon
3% nitrogen
Gas Purge
@ 67ᵒC, 1 bar
(to furnacefor energy)
59.8% methanol
35.1% water
4.6% carbon dioxide
78 % carbon dioxide
11% methanol
4.4% hydrogen
2.2 % carbon monoxide
@ 25ᵒ C, 1 bar
(to furnacefor energy)
PUMP1
62.7% methanol
36.9% water 25ᵒC, 15.7 bar
FLASH1
@ 75ᵒC, 28.9 bar
Methanol and
Water Distillation
Boilup: 5.21
Reflux: 1.88
Stages: 30
DHX1
P1
KREBOIL1
98.7% methanol
@147 ᵒC, 15.2 bar
FLASH2
@ 68ᵒC, 47.5 bar
FLASH3
@ 25ᵒC, 1 bar
DMECatalytic Plug Flow Reactor
@ 300 ᵒC, 15.1 bar
40% dimethyl ether
40% water
18.8% methanol
@14.5 bar, 300 ᵒC
Dimethyl Ether
Distillation
Boilup: 2
Reflux: 8.75
Stages: 35
DHX2
P2
KREBOIL2
@ 21 ᵒC, 5.1 bar
HX9
@ 17 ᵒC, 5 barDimethylether (DME)
98.5%
500 tonne/day
@ 17 ᵒC, 5 bar
DHX3
P3
Methanol
Recycle Distillation
Boilup: 8
Reflux: 2.1
Stages: 25
KREBOIL3
129 ᵒ C, 5.1 bar
69 ᵒC, 1.2 bar
99.99% methanol
@ 67ᵒC, 1.1 bar
PUMP2
99.99% methanol
@ 67ᵒC, 15.2 bar
300 ᵒC
HX11
Methanol
(forsale) 99.99%
@ 30ᵒC, 1 bar
99.99% Water
@ 105 ᵒC, 1.2 bar
(LPS recycle)
HX10 30 ᵒC, 1 bar
COMPRES4
151.7 ᵒC, 48.2 bar
Water
99.99%
@ 199.1 Water
99.99%
@ 199.1 ᵒC, 15.2 bar
(use as HPS)
COMPRES1
@540 ᵒC, 33.3 bar
V1
540ᵒC, 29.6 bar
COMPRES5
141 ᵒC, 48 bar
68 ᵒC, 1 bar
O2 7
11
14
22
NGAS
2
3
HX3
@450ᵒC,29.6bar
8
HX6
18
TURBINE1
F23
CO2PURGE
26
27
METHA2
HX3
28
31
WATER3
SPLIT2
99,9% methanolrecycle
SPLIT1
97.2% syngasrecycle
HPWATER
Reactor Dimensions:
6.15 m in length
1.55 m in diameter
32
SYNREC
LDME
METH
RECYCLE1
SELL
29
RECYCLE
3516
VDME
HPSTEAM2
1
4
105 6 9
HPSTEAM1
15
1312
21
23
17
52% CO2
22.7%
24 25
Stream Composition Stream Composition
NGAS 91.6% methane, 5.72% ethane 28 98.6% methanol, 1% water
O2 93% O2, 2% N2, 1% Ar 29 41.8% water, 40.8% DME, 17% methanol
HPSTEAM1 100% water 30 41.8% water, 40.8% DME, 17% methanol
HPSTEAM2 100% water 31 71.3% water, 28% methanol
1 91.6% methane, 5.72% ethane 32 99.99% methanol
2 91.6% methane, 5.72% ethane 33 98.9% water, 1.1% methanol
3 100% water 34 98.9% water, 1.1% methanol
4 100% water 35 99.8% water, 0.2% CO2
5 48% methane, 24% H2, 17% water 36 45% N2, 35% CO2, 15.3% water
6 48% methane, 24% H2, 17% water 37 45% N2, 35% CO2, 15.3% water
7 93% O2, 2% N2, 1% Ar CO2 PURGE 78.4% CO2, 11.2% methanol
8 100% water EMISSION 45% N2, 35% CO2, 15.3% water
9 52% water, 21% O2, 14.5% methane F23 60% methanol, 34.9% water, 4.6% CO2
10 52% water, 21% O2, 14.5% methane FREEAIR 78% N2, 21% O2, 1% Ar
11 63.6% water, 18.8% H2, 11.1% CO2 H20PURGE 99.8% water, 0.2% CO2
12 63.6% water, 18.8% H2, 11.1% CO2 H21 51.3% CO2, 23.5% H2, 11.9% CO, 3.5% methanol
13 63.6% water, 18.8% H2, 11.1% CO2 H23 60% methanol, 34.9% water, 4.6% CO2
14 63.6% water, 18.8% H2, 11.1% CO2 HPMETH 99.99% methanol
15 63.6% water, 18.8% H2, 11.1% CO2 HPWATER 98.9% water, 1.1% methanol
16 100% water LDME 98.6% DME, 1% CO2
17 50% H2, 29.8% CO2, 13.9% CO VDME 98.6% DME, 1% CO2
18 52.1% CO2, 23.9% H2, 12.1% CO METHA2 98.7% methanol
19 50.6% CO2, 25.8% H2, 12.2% CO RECYCLE 99.99% methanol
20 50.6% CO2, 25.8% H2, 12.2% CO RECYCLE1 99.99% methanol
21 51.3% CO2, 23.5% H2, 11.9% CO SELL 99.9% methanol
22 52.1% CO2, 23.9% H2, 12.1% CO SYNREC 52.1% CO2, 23.9% H2, 12.1% CO
23 60% methanol, 34% water, 4.6% CO2 WATER3 99.99% water
24 52.1% CO2, 23.9% H2, 12.1% CO
25 52.1% CO2, 23.9% H2, 12.1% CO
26 62.8% methanol, 36.8% water
27 62.8% methanol, 36.8% water
