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采用量热法表征预先处理的水藻的厌氧发酵
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Introduction Conversion of renewable biomass to a useable and sustainable fuel is an important part of the move to reducing carbon footprint and reliance upon foreign oil. Algae are able to rapidly sequester CO2 from the combustion of fossil fuels as well as being able to effectively remove phosphate from sewage effluent. Using algal biomass to make biogas is thus a win/win scenario as both the production of the algae and the further downstream use of the algal biomass both have positive environmental impacts. The algae must be pretreated to maximize digestion by anaerobic bacteria. This digestion produces biogas and is expected to destroy any algal toxins present. The waste from anaerobic digestion is rich in nitrogen and phosphorus and can be used for fertilizer. The waste from production of biodiesel from algae can also be used as feedstock for anaerobic digestion. Anaerobic digestion involves exothermic reactions, and the rates and total heat from these reactions is readily measured by calorimetry. Here, a TAM Air 8-channel calorimeter is used for rapid and real-time measurement of the efficiency of the digestion and therefore of the efficacy of the pretreatments. |
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2016-07-05 10:55:07, 349.83 K
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