Modelling of a batch anaerobic digestion

作者: Krzysztof Szewczyk , Jerzy Bukowski

DOI: 10.2478/V10026-008-0011-9

关键词:

摘要: Anaerobic digestion of organic wastes and by-products from the agricultural food industry is a process known for many years widely used waste stabilization. has become key method both treatment production renewable fuels. Biogas produced mainly manure, household, agro energy crops 1 . With increasing complexity processes, increased effort needed to evaluate impact variable changes on digesters' performance. Recently, International Water Association's (IWA) Task Group developed generic anaerobic model, Digestion Model No. (ADM1) address these issues 2 The model consists number processes simulate all possible reactions occurring in sludge including not only biological reactions, such as disintegration, hydrolysis suspended solid, uptake (growth) decay microorganisms, but also physico-chemical ion association/dissociation liquid-gas transfer. In total, 19 24 components, 56 relative stoichiometric kinetic parameters were assumed while additional determined processes. ADM1 been implemented modelling wide range streams continuous reactors 3 present study was investigate batch process. high load fermentation may inhibit methane due accumulation acids. pH operation influence stability.

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