Carbon Dioxide Capture

Upcycling Sulfate Byproducts Into Carbon-Negative Sulfuric Acid and Green Hydrogen - The Travertine Process

The Travertine process converts aqueous sulfate into sulfuric acid and caustic solutions through electrolysis, generating clean and competitively priced hydrogen. The process involves three primary units. Initially, electrolysis divides aqueous sulfate into sulfuric acid and caustic solutions. Subsequently, Direct Air Capture (DAC) utilizes the caustic solution to extract CO2 from the air, yielding a carbonate solution. Lastly, the carbonate solution reacts with sulfate byproducts to form minerals and regenerate aqueous sulfate through mineralization.

Renewable Fuels Made From Agricultural and Industrial Waste

Aemetis specializes in the production of biofuels, renewable chemicals, and carbon capture technologies for renewable fuels. The company operates ethanol production facilities and is expanding with new projects focused on renewable diesel and sustainable aviation fuel. Aemetis utilizes advanced technologies to convert agricultural and industrial feedstocks (such as orchard wood waste) into ethanol, other biofuels, and renewable chemicals like isobutanol.

Sustainable Building Materials

Sustainable and energy efficient building materials. These builing materials capture carbon dioxide and replenish farmland. The industrial hemp used in these products are grown sustainably and manufacture into insulation materials with renewable energy. Hemp growth offsets 9.8 tons of carbon dioxide per acre. HempWool® has no VOCs and toxins and is safe to touch. Other products include Hempcrete, Hemp and Lime Blocks, and AcoustiBatts.

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