| Title |
Optimization for biogas to chemicals via tri-reforming. Analysis of Fischer-Tropsch fuels from biogas |
| ID_Doc |
23809 |
| Authors |
Hernandez, B; Martin, M |
| Title |
Optimization for biogas to chemicals via tri-reforming. Analysis of Fischer-Tropsch fuels from biogas |
| Year |
2018 |
| Published |
|
| DOI |
10.1016/j.enconman.2018.08.074 |
| Abstract |
This paper presents an optimization approach for the production of syngas from biogas via tri-reforming. The optimization, formulated as a NLP problem, is performed for three syngas ratios according to the desired product: methanol, ethanol or Fischer-Tropsch (FT) fuels. As a result, the optimal operating conditions and biogas composition are defined. For the production of ethanol, a biogas composed by a CH4:CO2 ratio of 0.52:0.48 is desired, requiring 0.035 mol of O-2 per mol of Biogas in the reformer. For the production of methanol and FT, biogas with the largest content of methane is suggested to be reformed with 0.275 mol O-2/mol biogas. The largest H-2:CO ratio required for methanol is achieved by feeding steam in a WGS reactor after the reformer. The syngas optimization study is completed by evaluating tri-reforming for the production of FT fuels from biogas via high and low temperature FT synthesis. The production cost for a plant fed with 12 MMm(3)/y of biogas results in $3/gal for biodiesel via HTFT and $1.7/gal via LTFT. |
| Author Keywords |
Biogas; Circular economy; Fischer-Tropsch; Optimization; Tri-reforming |
| Index Keywords |
Index Keywords |
| Document Type |
Other |
| Open Access |
Open Access |
| Source |
Science Citation Index Expanded (SCI-EXPANDED) |
| EID |
WOS:000447102100078 |
| WoS Category |
Thermodynamics; Energy & Fuels; Mechanics |
| Research Area |
Thermodynamics; Energy & Fuels; Mechanics |
| PDF |
http://hdl.handle.net/10366/138526
|