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Modelling start-up performance of anaerobic digestion of saline-rich macro-algae

机译：模拟富含盐的大型藻类厌氧消化的启动性能

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摘要

Some of the key factors affecting the adaptation of anaerobic digestion processes to increasing levels of salinity were determined in batch tests using brown seaweed as a feedstock. It was found that cultures seeded with non-saline anaerobic inoculum required an adaptation period of up to two months to reach the same level of methane production rate as in those cultures seeded with salineadapted inoculum. The Anaerobic Digestion Model No.1 (ADM1) was modified to include an extra inhibition function to account for the effect of salinity, and calibrated using a set of experimental data obtained from batch biochemical methane potential tests. After calibration, the model was able to accurately predict methane production rates. Thus, the results show that, in the absence of salineadapted inoculum, non-saline inoculum can be used for the start-up of anaerobic digestion systems treating saline-rich feedstocks.
机译：在以褐藻为原料的分批试验中，确定了影响厌氧消化过程适应盐度增加的一些关键因素。发现用非盐厌氧接种物接种的培养物需要长达两个月的适应期才能达到与用盐水适应接种物接种的培养物相同的甲烷生产率水平。对厌氧消化模型1（ADM1）进行了修改，使其具有额外的抑制功能以说明盐度的影响，并使用从分批生化甲烷潜力测试中获得的一组实验数据进行了校准。校准后，该模型能够准确预测甲烷的产生速率。因此，结果表明，在没有盐水适应接种物的情况下，非盐水接种物可用于启动处理富含盐水的原料的厌氧消化系统。

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