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首页> 外文期刊>Journal of Solid Waste Technology and Management >ADVANCED ANAEROBIC DIGESTION OF SLUDGE THROUGH HIGH PRESSURE HOMOGENISATION
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ADVANCED ANAEROBIC DIGESTION OF SLUDGE THROUGH HIGH PRESSURE HOMOGENISATION

机译：通过高压均质对污泥进行高级厌氧消化

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The increased production of sewage sludge and its subsequent environmental pollution has been a pressing problem in industrial countries. Search for possible utilisation of sludge or reduction of its disposal quantities has been going on since recent years. This work shows the exploitation of valuable energy from stabilised sludge with subsequent mass reduction. The optimal combination of mechanical disruption of stabilised sludge at relatively low pressures using a special high pressure homogeniser followed by anaerobic digestion in a novel laboratory digester, is shown. Results showed that more energy (i.e. methane gas) could be obtained from concentrated and disrupted sludge than from untreated samples. The energy produced was higher than that invested during disruption and digestion processes. Appreciable sludge reductions were obtained. If this new process is integrated in any existing plant, the extra energy produced can be used for local electric supply, for heating the digestion tower while the sludge reduction provides new source of revenue for the plant operators.
机译：在工业化国家，污水污泥的产量增加及其随后的环境污染一直是紧迫的问题。近年来，一直在寻找可能利用污泥或减少其处置量的方法。这项工作表明从稳定的污泥中开发了有价值的能量，并随后减少了质量。显示了使用特殊的高压均质器在相对低压下机械破坏稳定污泥的最佳组合，然后在新型实验室消化池中进行厌氧消化。结果表明，浓缩和破碎的污泥可以获得比未经处理的样品更多的能量（即甲烷气）。产生的能量高于在破坏和消化过程中投入的能量。获得了明显的污泥减少。如果将此新工艺集成到任何现有工厂中，则产生的多余能量可用于当地电力供应，用于消化塔的加热，而减少污泥可为工厂运营商提供新的收入来源。

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