Abstract：
:The possibility of introducing the thermo-alkali hydrolysis of Waste-Activated Sludge (WAS) was investigated, in order to enable the use of its solid residue as a raw material in cardboard production and the use of its liquid portion for anaerobic digestion in an UASB reactor. The evaluation of the hydrolysis at pH>12 and T=70°C showed that the microbe cells were disrupted with more than 90% efficiency in less than 2h. The solid portion was hygienised, therefore making it possible to integrate it into the cardboard production as a raw material for less demanding cardboards. Up to 6% addition of the liquid portion of hydrolysed WAS to wastewater decreased the specific biogas production in a pilot-scale UASB from 0.236 to 0.212 m(3)/kg(COD), while the efficiency of the COD removal decreased from 80.4% to 76.5%. These values still guarantee an adequate treatment of the wastewater and an increased biogas production by 16%.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Kaluža L,Suštaršič M,Rutar V,Zupančič GDdoi
10.1016/j.biortech.2013.10.041subject
Has Abstractpub_date
2014-01-01 00:00:00pages
137-43eissn
0960-8524issn
1873-2976pii
S0960-8524(13)01621-0journal_volume
151pub_type
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更新日期：2013-01-01 00:00:00
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pub_type： 杂志文章,评审
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更新日期：2019-10-01 00:00:00
abstract：:Biogas kinetic models are often used to characterize substrate degradation and prediction of biogas production potential. Most of these existing models are however difficult to apply to substrates they were not developed for since their applications are usually substrate specific. Biodegradability kinetic (BIK) model ...
journal_title：Bioresource technology
pub_type： 杂志文章
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更新日期：2015-10-01 00:00:00
abstract：:In situ cell separation and immobilization of bacterial cells for biodesulfurization were developed by using superparamagnetic Fe(3)O(4) nanoparticles (NPs). The Fe(3)O(4) NPs were synthesized by coprecipitation followed by modification with ammonium oleate. The surface-modified NPs were monodispersed and the particle...
journal_title：Bioresource technology
pub_type： 杂志文章
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更新日期：2009-11-01 00:00:00
