| 摘要 |
A method and system for synergism between a renewable energy system and a fossil energy system for the production of marketable energy forms such as electricity, methanol, petroleum-equivalent transportation fuels, urea fertilizer, and industrial hydrogen. Depending on configuration, the invention relates either to fossil-energy-assisted, renewable energy production or to renewable-energy-assisted, fossil energy production. The fossil energy source is coal, hydrocarbon fuel oil, or natural gas. The renewable energy is from the cultivation of microalgae and the extraction of its oil content, production of methane, and coincidentally-produced oxygen. The products and by-products from fossil energy production are used for the cultivation of algae and the products and by-products from algae cultivation are used to reduce the consumption of fossil energy in energy production. The synergism is the interchange of these products and by-products such that the net marketable energy production results in maximizing the use of renewable (solar) energy, minimizing the use of fossil fuel, and minimizing emissions of carbon dioxide to the atmosphere.
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