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Veolia launches largest project to produce bio-methanol from pulp mill waste

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Swedish market pulp giant Södra launched the first pulp mill biomethanol plant at its Mönsterås mill, in collaboration with ANDRITZ, in 2020. Black liquor is the waste byproduct from the kraft pulping process after pulping is completed. Veolia Group designs and provides solutions for water, waste and energy management.

Waste 403
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All Audi production sites will manufacture all-electric vehicles by 2029

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As of 2026, Audi will only launch all-electric models onto the global market, gradually phasing out production of its combustion models by 2033. Audi will make its manufacturing processes even more flexible. For example, Audi plans to halve today’s ecologically weighted water consumption value in its production sites by 2035.

Audi 307
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Hatch report finds NOVONIX dry cathode synthesis process offers cost and waste reduction improvements

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a global engineering consultancy firm, has delivered its report that evaluates NOVONIX’s all-dry, zero-waste cathode synthesis process. The Hatch study found that NOVONIX’s process may potentially reduce power consumption by an estimated 25% and practically eliminate waste byproduct generation over the conventional process.

Waste 150
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Repsol produces renewable hydrogen from biomethane from urban solid waste

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This renewable hydrogen was used to manufacture fuels with a low carbon footprint, such as gasoline, diesel, or kerosene for aviation. The biomethane used as raw material was obtained from urban solid waste. In the port of Bilbao, near the Petronor Industrial Complex, Repsol plans to build a plant to generate biogas from urban waste.

Waste 199
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TdVib commercializing CMI technology for recycling rare earth elements from electronic waste

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A team of researchers from the Critical Materials Institute (CMI), a US Department of Energy Innovation Hub led by the Ames Laboratory, developed a novel way to extract rare earth elements from the high-powered magnets in electronic waste ( earlier post ). This copper can be recovered, or it can be reused in other operations.

Waste 199
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Rio Tinto develops new steel powder for 3-D printing

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The water-atomized steel powder delivers mechanical properties superior to conventional metal manufacturing techniques, paving the way for advances in the use of 3-D printing technology for metal parts. RTFT is developing a range of additional powder grades with advanced properties for 3-D printing to meet customer needs.

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Simple process transforms PET plastic into a nanomaterial for supercapacitors

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UC Riverside (UCR) engineers have developed a way to recycle PET (polyethylene terephthalate) plastic waste, such as soda or water bottles, into a nanomaterial useful for energy storage. An open-access paper on the work is published in the journal Energy Storage. —Professor Cengiz Ozkan.