
Figure 1: This diagram shows a selection of technologies for hydrogen sulfide removal from biogas, and the guidelines for which hydrogen sulfide concentrations and biogas flows may be cost effective. / SOURCE: AZURA ASSOCIATES
October 30, 2023
BY Peter Quosai and Dave Ellis
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Walker Industries Holdings Ltd., and Miller Waste Systems have announced the successful sale of Miller Waste Systems’ Escarpment Renewables and Maryland Farms organic waste-to-energy facilities and pre-processing assets to Walker.
Mobius Renewables on May 4 announced the closing of the acquisition of Air Liquide’s biogas production activities in the United States, France, Norway, and Sweden. Mobius was established in late 2025 by funds managed by IFM Investors.
Vanzetti Engineering’s centrifugal cryogenic pumps are suitable for use in biogas micro liquefaction plants. They transfer bioLNG produced by micro liquefiers which are downstream from a biomethane upgrading process.
Par Pacific Holdings Inc. on May 5 confirmed that its Hawaii renewable fuels facility began operations in April. The biorefinery has the capacity to produce 61 MMgy of renewable diesel, SAF and other renewable fuels.
Ameresco Inc. and HA Sustainable Infrastructure Capital Inc. on May 4 announced their agreement to spin off Ameresco’s biofuels business into Neogenyx Fuels a newly formed joint venture that will continue to develop RNG projects.