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020 _a9781118404089
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020 _a1118404084
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020 _a9781118404058
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020 _a111840405X
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020 _z9781118062852
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024 3 _a9781118404089
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035 _a(OCoLC)795998929
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_z(OCoLC)882832924
_z(OCoLC)927507951
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037 _a10.1002/9781118404089
_bWiley Online Library
_nhttp://onlinelibrary.wiley.com
050 4 _aTD756.45
_b.B56 2012
072 7 _aTEC
_x010000
_2bisacsh
082 0 4 _a628.5/3
_223
049 _aMAIN
245 0 0 _aBiogas production :
_bpretreatment methods in anaerobic digestion /
_cedited by Ackmez Mudhoo.
260 _aHoboken, N.J. :
_bWiley ;
_aBeverly, MA :
_bScrivener,
_c©2012.
300 _a1 online resource (xxix, 320 pages) :
_billustrations
336 _atext
_btxt
_2rdacontent
337 _acomputer
_bc
_2rdamedia
338 _aonline resource
_bcr
_2rdacarrier
347 _adata file
_2rda
380 _aBibliography
504 _aIncludes bibliographical references and index.
505 0 _aFront Matter -- Anaerobic Digestion: Pretreatments of Substrates / Tania Forster-Carneiro, Ricardo Isaac, Montserrat P̌rez, Clarita Schvartz -- Recalcitrance of Lignocellulosic Biomass to Anaerobic Digestion / Mohammad J Taherzadeh, Azam Jeihanipour -- The Effect of Physical, Chemical, and Biological Pretreatments of Biomass on its Anaerobic Digestibility and Biogas Production / Katerina Stamatelatou, Georgia Antonopoulou, Ioanna Ntaikou, Gerasimos Lyberatos -- Application of Ultrasound Pretreatment for Sludge Digestion / Show Kuan Yeow, Wong Lai Peng -- Microwave Sludge Irradiation / Cigdem Eskicioglu, Giampiero Galvagno -- Hydrolytic Enzymes Enhancing Anaerobic Digestion / Teresa Sùrez Quįones, Matthias Pl̲chl, Katrin P̃zolt, J̲rn Budde, Robert Kausmann, Edith Nettmann, Monika Heiermann -- Oxidizing Agents and Organic Solvents as Pretreatment for Anaerobic Digestion / Lise Appels, Jan Van Impe, Raf Dewil -- Anaerobic Digestion and Biogas Utilization in Greece: Current Status and Perspectives / Avraam Karagiannidis, George Perkoulidis, Apostolos Malamakis -- Original Research: Investigating the Potential of Using Biogas in Cooking Stove in Rodrigues / Dinesh Surroop, Osman Dina B̌gǔ -- Optimizing and Modeling the Anaerobic Digestion of Lignocellulosic Wastes by Rumen Cultures / Zhen-Hu Hu, Han-Qing Yu -- Pretreatment of Biocatalyst as Viable Option for Sustained Production of Biohydrogen from Wastewater Treatment / S Venkata Mohan, R Kannaiah Goud -- Index -- Also of Interest.
520 3 _aThe anaerobic digestion of sewage sludge has long been used for solids reduction by wastewater treatment facilities, but has gained recognition as a form of energy production. Biogas is formed as a byproduct of anaerobic digestion and is composed mostly of methane and carbon dioxide with other trace elements. The focus of this thesis is the enhancement of biogas production through the optimization of the anaerobic digestion of sewage sludge. Batch experiments showed that digest pH is indicative of the current stage of digestion. This will provide wastewater treatment facilities with a way to monitor digester activity, as each stage of digestion was identified through constant pH monitoring. The digestion process was optimized through various parametric studies designed to determine the effect of each parameter and find an optimal range for operation. The optimum range for pH was 7.0-7.5. Testing of temperature showed that the mesophilic range (30-40°C) provided the highest, most constant gas production. Alkalinity adjustment with magnesium hydroxide increased both pH and alkalinity. Biogas production was highest in samples with alkalinity ranging from 2,000-2,500 mg/L as CaCO_3 . Volatile fatty acid (VFA) adjustment with sodium propionate increased both alkalinity and VFA content within the digest. High levels of VFA caused digestion to struggle while small adjustments showed an increase in production. Pressure measurement showed that an increase in pressure during digestion improved both the quality and quantity of produced biogas. Semi-continuous experimentation showed consistent biogas production. However, high VFA content resulted in poor gas quality. Digester energy balances completed at the Hilliard-Fletcher Wastewater Treatment Plant showed that 1,705 m^3/day biogas are required for daily operation (basis: 60:40 ratio CH_4 :CO_2). Parametric tests showed the ability to provide up to 1,944 m^3/day at a methane content of 80%. Increasing the methane content from 60 to 80% increases the heating value of the gas by one-third, requiring less gas for daily operation. This allows for better energy efficiency. All gas volumes are reported at atmospheric pressure and a temperature of 35°C. Future work will focus on the effect of pressure to identify the extent with which it affects digestion.
588 0 _aPrint version record.
650 0 _aSewage
_xPurification
_xAnaerobic treatment.
650 4 _aAnaerobic bacteria.
650 4 _aEnvironmental protection.
650 7 _aTECHNOLOGY & ENGINEERING
_xEnvironmental
_xGeneral.
_2bisacsh
650 7 _aSewage
_xPurification
_xAnaerobic treatment.
_2fast
_0(OCoLC)fst01113765
655 4 _aElectronic books.
700 1 _aMudhoo, Ackmez.
776 0 8 _iPrint version:
_tBiogas production.
_dHoboken, N.J. : Wiley ; Beverly, MA : Scrivener, ©2012
_z9781118062852
_w(DLC) 2012005828
_w(OCoLC)760978439
856 4 0 _uhttp://onlinelibrary.wiley.com/book/10.1002/9781118404089
_zWiley Online Library [Free Download only for SUST IP]
880 8 _6505-00/(S
_a2. Recalcitrance of Lignocellulosic Biomass to Anaerobic Digestion2.1 Introduction; 2.2 Plant Cell Wall Anatomy; 2.3 Chemistry of Cell Wall Polymers; 2.3.1 Chemistry of Cell Wall Polysaccharides; 2.3.1.1 Cellulose; 2.3.1.2 (1->3,1->4)-β-D-Glucans; 2.3.1.3 Heteroglucans (Xyloglucans); 2.3.1.4 Heteroxylans; 2.3.1.5 Heteromannans; 2.3.1.6 Pectic Polysaccharides (Pectins); 2.3.2 Cell Wall Proteins; 2.3.3 Lignin in Plant Cell Walls; 2.4 Molecular Interactions Between Cell Wall Polymers; 2.5 Plant Cell Wall Molecular Architecture; 2.6 Recalcitrance of Plant Cell Wall Cellulose.
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