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Li-ion battery waste used in biodiesel production from discarded vegetable oil

Green Car Congress

Brazilian researchers have demonstrated a new chemical approach for producing biodiesel from domestic cooking oil waste by using lithium hydroxide mixed with either sodium hydroxides or potassium hydroxides as catalysts. Before, in practice, these were just restricted to sodium hydroxide and potassium hydroxide.

Waste 186
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Sparc Technologies, QUT partner to develop a hard carbon anode material from bio-waste for Na-ion batteries

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The partnership will begin with a project in the battery anode space with the development of a novel process for the production of hard carbon from bio-waste. Using readily available, sustainable bio-waste material will provide Sparc with a strong environmental value proposition when compared with conventional sources of hard carbon.

Waste 195
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Solvay to produce silica from rice husk ash for tires in Europe, expansion plans in N America

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Solvay is investing at its Livorno, Italy site to launch the company’s first unit of circular highly dispersible silica (HDS) made with bio-based sodium silicate derived from rice husk ash (RHA). Rice husk is an abundantly available agricultural waste. Production is expected to start by the end of 2024.

America 218
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ARPA-E awarding $39M to 16 projects to grow the domestic critical minerals supply chain

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Notably, there are challenges associated with mining, processing and production of critical elements, which are often located in a handful of geopolitically sensitive regions. Hydrometallurgical Production of Domestic Metals for Energy Transition ($2,949,395). Earlier post.)The Columbia University.

Supplies 345
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Nouryon, Tata Steel, Port of Amsterdam to study feasibility of largest green H2 cluster in Europe; 100 MW water electrolysis facility

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by combining it with emissions from steel manufacture to make new products. By using renewable electricity, the initial unit will enable a carbon saving of up to 350,000 tons of CO 2 per year, equivalent to the emissions of more than 40,000 households. —Knut Schwalenberg, Managing Director Industrial Chemicals at Nouryon.

Water 170
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Aqua Metals is building a more sustainable battery recycling ecosystem

Charged EVs

Aqua Metals has pioneered a new electro-hydrometallurgy process that uses renewable electricity and recycles the chemicals used. Several companies are developing chemical processes, but these are still at pilot scale, and Aqua’s execs see serious challenges in delivering the required product purity and dealing with waste streams.

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Aqua Metals is building a more sustainable battery recycling ecosystem – Charged EVs

Baua Electric

Aqua Metals has pioneered a new electro-hydrometallurgy process that uses renewable electricity and recycles the chemicals used. Several companies are developing chemical processes, but these are still at pilot scale, and Aqua’s execs see serious challenges in delivering the required product purity and dealing with waste streams.