[ software demonstration ]
Haber-Bosch systems . These items will be included as part of the equipment investment for each module as complementary systems .
Table 1 . Ammonia production parameters |
Category |
Parameter |
Values |
|
Nominal Power ( MW ) |
400 |
Electrolyzer |
|
|
|
Model |
SL PEM 4 MW |
These assumptions do not imply that future studies on the cooling system should not be conducted . The choice of cooling system has an impact on the efficiency of the process , affecting energy consumption and operational costs of the project .
Compressor
Compression Ratio 20
Specific Energy Consumption ( kWh / kg )
1.92
Specific Land Use ( m ²/ kW ) 0.01 Capacity ( H 2 ton / day ) 162.7 Nominal Electrical Power ( MW ) 13 Capacity ( ton ) 108
Ammonia plant The Haber-Bosch process synthesizes ammonia ( NH 3
) by reacting nitrogen ( N 2 ) with hydrogen ( H 2
) under high pressure and temperature in the presence of a catalyst . The air separation unit ( ASU ) is responsible for isolating nitrogen gas from the air , while a specific compressor increases the pressure of the hydrogen gas before it is supplied to the Haber-Bosch reactor . In the reactor , a complex process synthesizes the ammonia .
Summary of design parameters The preliminary technical parameters considered for the project design , which include the electrolyzer , compressor unit , hydrogen storage system , ASU , and Haber- Bosh reactor , are presented in Table 1 .
Cost estimation
Capital expenditure ( CAPEX ) and operational expenditure ( OPEX ) costs were estimated using parametric values derived from international , trustworthy sources , as well as from an internal Southern Lights database . The capital costs include the manufacture and supply of the listed equipment , as well as other significant expenditures such as transport infrastructure , installation , commissioning , and ancillary works . OPEX items , on the other hand , were grouped into
Storage
Flow Rate Capacity ( ton / h ) 7 Hydrogen Leakage Rate (%/ year ) 1 % Specific Land Use ( m ²/ kW ) 0.5
ASU Capacity ( N 2 ton / day ) 339
Haber-Bosch
Ammonia Production Capacity ( ton / day )
Minimum Production Level (% of nominal )
400
different categories such as operation and maintenance , land lease , energy consumption , and other operational costs .
In this study , Class 5 4 sources of information were used as input in the Southern Lights Platform , resulting in Class 5 outputs . It is most important to highlight that Southern Lights software ’ s cost structure is flexible , allowing for the inclusion of Class 4 and Class 3 cost structures . In such cases , the results will maintain respective classifications as Class 4 and Class 3 studies .
Design optimization In a preliminary analysis , the wind farm size was optimized using the Southern Lights software . A specially designed tool in this software allows for running multiple simulations in parallel to evaluate
80
Hydrogen Stream Utilization (%) 97 Nitrogen Stream Utilization (%) 97
Specific Energy Consumption ( kWh / kg )
0.64
Specific Land Use ( m ²/ kW ) 0.2
36 Hydrogen Tech World | Issue 19 | December 2024