biogas - Thunder Said Energy search

Costs of biogas upgrading to biomethane?

Costs of biogas upgrading into biomethane are estimated at $7/mcf off of capex cost of $400/ton, in this data-file. The largest contributor to total costs is carbon filtering, to remove siloxanes, VOCs and H2S, which we have modelled from first principles, at $2/mcfe. Underlying data into biogas compositions and impurities are also tabulated for reference.

Global biogas production by country?

Global biogas production has risen at a 10-year CAGR of 3% to reach 4.3bcfed in 2023, equivalent to 1.1% of global gas consumption. Europe accounts for half of global biogas, helped by $4-40/mcfe subsidies. This data-file aggregates global biogas production by country, plus notes into feedstock sources, uses of biogas and biomethane.

Biogas: the economics?

Biogas costs are broken down in this economic model, generating a 10% IRR off $180M/kboed capex, via a mixture of $16/mcfe gas sales, $60/ton waste disposal fees and $50/ton CO2 prices. High gas prices and landfill taxes can make biogas economical in select geographies. Although diseconomies of scale reward smaller projects?

April 15, 2021

Biogas-to-liquids: decarbonize aviation fuels?

This 15-page report evaluates a pathway for sustainable aviation fuels, feeding biogas into a Fischer-Tropsch reactor. Bio-GTL will likely cost 3x more than conventional jet fuel, for a 75% reduction in CO2, giving an abatement cost of $550/ton. We still prefer nature-based carbon offsets to decarbonize aviation.

February 8, 2023

Verbio: bio-energy technology review?

Verbio is a bio-energy company, founded in 2006, listed in Germany, producing bio-diesel, bioethanol, biogas, glycerin and fertilizers. The company has stated “we want to be in a position to convert anything that agriculture can deliver to energy”. Our Verbio technology review is based on its patents. We find some fascinating innovations in cold mash…

Pressure swing adsorption: energy economics?

Pressure swing adsorption purifies gases according to their differing tendencies to adsorb onto adsorbents under pressure. Pressure swing adsorption costs $0.1/kg when separating pure hydrogen from reformers, and $2-3/mcf when separating bio-methane from biogas. Our cost breakdowns include capex, opex, maintenance, zeolite replacement, compression power and CO2 costs.

Biomass accumulation: CO2 fixed by trees and energy crops?

Different plant species fix 3-30 tons of CO2 per acre per year, as they accumulate biomass at 2-40 tons per hectare per year. The numbers matter for biofuels and for nature-based solutions. Hence this data-file compiles technical data into CO2 and biomass accumulation by plant species and by tree species, in different regions globally.

Gas treatment: an overview?

This data-file gives an overview of gas sweetening and treatment processes. The main method is chemical absorption using amines. We estimate that a mid-size facility of 500mmcfd must levy a $0.15/mcf cost and emits 3.5kg/boe to take out c7% H2S and CO2. Other processes are compared.

Jet fuel demand: by region and forecasts to 2050?

Jet fuel demand ran at 8Mbpd in 2019, the last year before COVID, and could rise to 18Mbpd by 2050, as global population rises 25%, jet fuel demand per capita doubles and fuel economy per aviation mile rises by 20%. This data file breaks down jet fuel demand by region, including our forecasts through 2050,…

May 14, 2020

Decarbonize Heat?

Natural gas fuels two-thirds of residential and commercial heating, which in turn comprises c10% of global CO2. We assessed ten technologies to decarbonize heat, including heat pumps, renewables, biogas and hydrogen. The lowest cost solution is to double down on natural gas with nature-based carbon offsets. Global gas demand for heating should continue rising.

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