Renewable fuels from different carbonaceous feedstocks: a sustainable route through <scp>Fischer–Tropsch</scp> synthesis

Gupta, Pavan K.; Kumar, Vineet; Maity, Sudip

doi:10.1002/jctb.6644

Cited by 47 publications

(21 citation statements)

References 150 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…There are limited alternative technologies for HDS, with adsorptive desulphurization (ADS) [3] , biodesulphurization (BDS) [4] , extractive desulphurization (EDS) [5] and oxidative desulphurization (ODS). ODS being the most commonly investigated, exhibits favourable chemistry compared to HDS as the aromatic sulphur compounds inhibiting HDS, possess high centres of electron density making the sulphur atom susceptible to attack by oxidising species generated in-situ [6] .…”

Section: Introductionmentioning

confidence: 99%

Removal of single and dual ring thiophene’s from dodecane using cavitation based processes

Delaney

Sarvothaman

Colgan

et al. 2022

Ultrasonics Sonochemistry

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Removal of single and dual ring thiophene’s from dodecane using cavitation based processes

Delaney

Sarvothaman

Colgan

et al. 2022

Ultrasonics Sonochemistry

View full text Add to dashboard Cite

“…In general, FT solutions for fuels are feasible only when there is a high abundance of high-density fuel-natural gas or methane-and a competitive market price for fuels. Thus, using biomass as a carbon source for FT synthesis of maritime fuel will be feasible only if the price for bunker oil is high or if there is an abundant source of carbon, such as biogas or charcoal near or at the harbor [48][49][50]. Or simply, for political and environmental pressures.…”

Section: Improving Strategies For Sustainable Bio-oil Productionmentioning

confidence: 99%

Perspective Use of Fast Pyrolysis Bio-Oil (FPBO) in Maritime Transport: The Case of Brazil

et al. 2021

View full text Add to dashboard Cite

The maritime transportation sector (MTS) is undertaking a major global effort to reduce emissions of greenhouse gases (GHG), e.g., sulfur oxides, nitrogen oxides, and the concentration of particulates in suspension. Substantial investment is necessary to develop alternative sustainable fuels, engines, and fuel modifications. The alternative fuels considered in this study include liquified natural gas, nuclear energy, hydrogen, electricity, and biofuels. This paper focuses on biofuels, in particular fast pyrolysis bio-oil (FPBO), a serious partial alternative in MTS. There are some drawbacks, e.g., biofuels usually require land necessary to produce the feedstock and the chemical compatibility of the resulting biofuel with current engines in MTS. The demand for sustainable feedstock production for MTS can be overcome by using cellulose-based and agroforestry residues, which do not compete with food production and can be obtained in large quantities and at a reasonably low cost. The compatibility of biofuels with either bunker fuel or diesel cycle engines can also be solved by upgrading biofuels, adjusting the refining process, or modifying the engine itself. The paper examines the possibilities presented by biofuels, focusing on FPBO in Brazil, for MTS. The key issues investigated include FPBO, production, and end use of feedstocks and the most promising alternatives; thermal conversion technologies; potential applications of FPBO in Brazil; sustainability; biofuels properties; fuels under consideration in MTS, challenges, and opportunities in a rapidly changing maritime fuel sector. Although the focus is on Brazil, the findings of this paper can be replicated in many other parts of the world.

show abstract

“…Thermochemical Fischer-Tropsch (FT) synthesis is a wellestablished process for producing liquid hydrocarbons from H 2 and CO/CO 2 . However, the required elevated temperatures and pressures (200-350 °C and 0.5-3 MPa) involve high power input (Gupta et al, 2021). An additional major drawback is the strong dependence on a suitable feed gas composition and purity (Griffin and Schultz, 2012;Montoya Sánchez et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Trickle-Bed Bioreactors for Acetogenic H2/CO2 Conversion

et al. 2022

View full text Add to dashboard Cite

Acetic acid is an essential industrial building block and can be produced by acetogenic bacteria from molecular hydrogen (H2) and carbon dioxide (CO2). When gasses are supplied as substrates, bioreactor design plays an important role for their availability. Trickle-bed bioreactors (TBs) have an enhanced gas-to-liquid mass transfer and cells remain in the system by forming a biofilm on the carriers. So far, TBs have been investigated extensively for bio-methanation processes, whereas studies for their use in acetic acid production are rare. In this study, we evaluated the reproducibility of two parallel TBs for acetic acid production from H2:CO2 (= 70:30) by a mixed culture with a gas flow rate of 3.8 mL min−1 and a medium flow rate of 10 mL min−1. Additionally, the effect of glucose addition during the starting phase on the resulting products and microbial composition was investigated by setting up a third TB2. Partial medium exchanges to decrease the internal acetic acid concentration (AAC) combined with recycling of withdrawn cells had a positive impact on acetic acid production rates with maxima of around 1 g L−1 d−1 even at high AACs of 19–25 g L−1. Initial glucose addition resulted in the accumulation of unwanted butyric acid up to concentrations of 2.60 ± 0.64 g L−1. The maximum AAC of 40.84 g L−1 was obtained without initial glucose addition. The main families identified in the acetogenic TBs were Peptococcaceae, Ruminococcaceae, Planococcaceae, Enterobacteriaceae, Clostridiaceae, Lachnospiraceae, Dysgonomonadaceae and Tannerellaceae. We conclude that a TB is a viable solution for conversion of H2/CO2 to acetate using an anaerobic enrichment culture.

show abstract

Renewable fuels from different carbonaceous feedstocks: a sustainable route through Fischer–Tropsch synthesis

Cited by 47 publications

References 150 publications

Removal of single and dual ring thiophene’s from dodecane using cavitation based processes

Removal of single and dual ring thiophene’s from dodecane using cavitation based processes

Perspective Use of Fast Pyrolysis Bio-Oil (FPBO) in Maritime Transport: The Case of Brazil

Trickle-Bed Bioreactors for Acetogenic H2/CO2 Conversion

Contact Info

Product

Resources

About