Trends in Nitrogen Fertilizer Industries from a Contractor's View
Trends in Nitrogen Fertilizer Industries from a Contractor's View
Trends in Nitrogen Fertilizer Industries from a Contractor's View
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Alternate Feedstocks:<br />
Gasification-Based Ammonia / Urea Plant<br />
Coal Petcoke Biomass<br />
Tail Gas<br />
Acid Gas<br />
Gasification CO-Shift<br />
Removal<br />
PSA<br />
Oxygen<br />
Air<br />
ASU<br />
AFA Annual Conference<br />
Cairo, April 2011<br />
Dr. Richard Saure<br />
Gasif<br />
gasif fication feedstock Feedstock price USD / USD / D/GJ MMBTU M<br />
N 2<br />
Compression<br />
Note: Alternatively, NWU <strong>in</strong>stead of PSA<br />
7<br />
6<br />
Sulfur<br />
PRENFLO PSG PRENFLO PDQ<br />
Syngas<br />
Compression<br />
Urea Synth. +<br />
Granulation<br />
Ammonia<br />
Ammonia<br />
Synthesis<br />
CO 2<br />
Tail Gas<br />
Sulfur<br />
Recovery Refrigeration<br />
Impact of feedstock cost for natural gas vs gasification<br />
based ammonia plant<br />
5<br />
4<br />
3<br />
2<br />
1<br />
AFA Annual Conference<br />
Cairo, April 2011<br />
Dr. Richard Saure<br />
steam reform<strong>in</strong>g more economical<br />
gasification more economical<br />
0<br />
0 2 4 6 8 10 12<br />
Nat natural Gas gas USD price / MMBTU / USD/GJ<br />
Urea<br />
Conditions:<br />
• 10 years payback time<br />
• <strong>in</strong>terest rate: 8 %pa % p.a.<br />
• 3300 mtpd ammonia<br />
Example 1:<br />
gas: 7 USD/MMBTU;<br />
coal: 2.5 USD/MMBTU:<br />
gasification favourable<br />
Example 2:<br />
Parity y at:<br />
gas: 4 USD/MMBTU;<br />
coal: 2 USD/MMBTU<br />
9
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