文章基本信息

标题：Application of an Innovative Ultrasound Disintegrator for Sewage Sludge Conditioning Before Methane Fermentation
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作者：Marcin Zieliński ; Marcin Dębowski ; Mirosław Krzemieniewski 等
期刊名称：Inżynieria Ekologiczna
印刷版ISSN：2081-139X
电子版ISSN：2392-0629
出版年度：2018
卷号：19
期号：5
页码：240-247
DOI：10.12911/22998993/89817
出版社：Polish Society of Ecological Engineering (PTIE)
摘要：Ultrasonic disintegration is one of the most interesting technologies among all known and described technologies for sewage sludge pre-treatment before the process of methane fermentation.This study was aimed at determining the effects of an innovative ultrasonic string disintegrator used for sewage sludge pre-treatment on the effectiveness of methane fermentation process.In this experiment, we used a device for disintegration of organic substrates, including sewage sludge, with the use ultrasonic waves.Its technical solution is protected by a patent no.P.391477 – Device for destruction of tissue and cell structures of organic substrate.The volume of biogas produced ranged from 0.194±0.089 dm3/g o.d.m.at loading of 5.0 g o.d.m./dm3 and power of 50 W to 0.315±0.087 dm3/g o.d.m.at loading of 4.0 g o.d.m./dm3 and ultrasounds power of 125 W.The study demonstrated a positive effect of sewage sludge sonication on the percentage content of methane in biogas.Sewage sludge exposure to 125 W ultrasounds increased methane content in biogas to 68.3±2.5 % at tank loading of 3.0 g o.d.m./dm3.
关键词：sewage sludge ; ultrasound disintegrator ; methane fermentation ; biogas