Abstract：
:Paper tube residuals, which are lignocellulosic wastes, have been studied as substrate for biogas (methane) production. Steam explosion and nonexplosive hydrothermal pretreatment, in combination with sodium hydroxide and/or hydrogen peroxide, have been used to improve the biogas production. The treatment conditions of temperature, time and addition of NaOH and H(2)O(2) were statistically evaluated for methane production. Explosive pretreatment was more successful than the nonexplosive method, and gave the best results at 220 degrees C, 10 min, with addition of both 2% NaOH and 2% H(2)O(2). Digestion of the pretreated materials at these conditions yielded 493 N ml/g VS methane which was 107% more than the untreated materials. In addition, the initial digestion rate was improved by 132% compared to the untreated samples. The addition of NaOH was, besides the explosion effect, the most important factor to improve the biogas production.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Teghammar A,Yngvesson J,Lundin M,Taherzadeh MJ,Horváth ISdoi
10.1016/j.biortech.2009.09.029subject
Has Abstractpub_date
2010-02-01 00:00:00pages
1206-12issue
4eissn
0960-8524issn
1873-2976pii
S0960-8524(09)01235-8journal_volume
101pub_type
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