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Selective adsorption

Envirotec Magazine

The crystal structure of the K-GIS zeolite adsorbent: The size of cavities in the crystal is slightly larger than the CO2 molecule, permitting CO2 to enter the crystal and be adsorbed while larger molecules such as methane are excluded. Biogas from sewage sludge, garbage, and similar sources consists of approximately 60% methane and 40% CO2.

Methane 244
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Could trash-to-energy technology feed hydrogen demand?

GreenBiz

Early pioneers of these hydrogen-from-waste technologies such as Ways2H, SGH2 Energy (SGH2) and Standard Hydrogen say not only are they making carbon-free, energy-rich fuel, their approaches also will divert mountains of trash from landfills and waterways, cutting greenhouse gas emissions. . There are other ways to make hydrogen.

Hydrogen 531
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'Net zero is not enough': Why climate experts are calling for 'net negative' emissions strategies

Business Green

Net zero is going to have to become net negative. That is according to some of the world's leading climate experts, who have today raised the alarm that governments must quickly move beyond net zero and establish net negative strategies if they want to cap global temperature increases at 1.5C by the end of the century.

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Southern Company Commits to Net-Zero Carbon by 2050, but Seeks New Gas Plants for Now

GreenTechMedia

utilities in setting a net-zero carbon target for 2050, aiming to balance the emissions from its sizable fossil fuel-fired generation fleet and sprawling natural gas business with reductions to be gained by expanding its portfolio of renewable energy and energy efficiency. Counting on 'negative carbon' solutions.

Carbon 130
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Food waste-powered trucks: Bristol set for 'world's largest' biomethene refueling station

Business Green

The "world's largest" renewable biomethane refuelling station is set to open near Bristol later this year, enabling truck drivers to fill up on low carbon fuel produced from food waste, CNG Fuels announced today. per cent of UK carbon emissions, it said, and the Avonmouth refuelling station will enable up to 80 trucks to fill up every hour.

Waste 70
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Comment: “Green ammonia is going to be the fossil-free ‘crude’ of the hydrogen fuel economy”

Envirotec Magazine

Today, most hydrogen is produced from fossil fuels through steam methane reforming, generating 830 Mt of annual CO2 emissions. Carbon-free “green” hydrogen is produced using electrolyzers to split water molecules to separate the hydrogen from the oxygen. Making hydrogen competitive. The result is curtailment.

Hydrogen 246
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Food waste-powered trucks: Bristol set for 'world's largest' biomethane refueling station

Business Green

The "world's largest" renewable biomethane refuelling station is set to open near Bristol later this year, enabling truck drivers to fill up on low carbon fuel produced from food waste, CNG Fuels announced today. per cent of UK carbon emissions, it said, and the Avonmouth refuelling station will enable up to 80 trucks to fill up every hour.

Waste 50