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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

Could trash-to-energy technology feed hydrogen demand? Other technologies are in the mix, such as battery electric vehicles. Still, there is potential for clean — low- or zero-carbon — hydrogen to take off, energy experts believe. Arlene Karidis. Wed, 07/15/2020 - 01:00. There are other ways to make hydrogen.

Demand 527
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What’s the difference between net-zero and carbon-neutral policies?

Renewable Energy World

As understanding of the climate crisis increases and the harm to ourselves, the environment, business, industry, and the economy that will follow, so a desire to not only reduce carbon but to be seen reducing carbon increases. In both cases, carbon offsetting removes CO 2 from the environment.

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The world’s first ‘carbon-neutral’ cargo ship is already low on gas

Grist

When shipping giant Maersk announced last month it would operate a “carbon-neutral” vessel by 2023, the Danish company committed to using a fuel that’s made from renewable sources, is free of soot-forming pollutants — and is currently in scarce supply. E-methanol is made by combining hydrogen with carbon dioxide.

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Sustainable fuels coalition calls on IMO to regulate GHG emissions on full lifecycle basis

Envirotec Magazine

With this in mind, and ahead the International Maritime Organization’s (IMO) 80th Marine Environment Protection Committee (MEPC 80), industry association SEA-LNG is calling on the IMO to regulate all greenhouse gas (GHG) emissions from shipping, including carbon dioxide, methane, and nitrous oxide on a full lifecycle, Well-to-Wake, basis.

Methane 130
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Technology Trending: Mg-ion batteries, hydrogen innovation lab, landfill methane for Bitcoin mining

Smart Energy International

A new advance opening the way for Mg-ion batteries, protections for birds around networks, Enel Green Power’s Sicily hydrogen lab and a plan to power Bitcoin mining with methane from landfills are in the technology radar. More Technology Trending news. Landfill methane for Bitcoin mining. Sicily hydrogen innovation lab.

Methane 52
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Harvesting electricity from trash helps Investec reach 'carbon neutrality'

Business Green

Investment giant says combination of direct emissions savings and South African landfill gas projects have helped it secure 'carbon neutral' status. Being carbon neutral is vital to the fortunes of future generations and reflects the leading role Investec wants to play in the wellbeing of our communities," he added.