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|a 963351235
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|a 9781780408408
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|a (OCoLC)963785273
|z (OCoLC)963351235
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|b .M377 2016eb
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|a 551.48
|2 23
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|a UAMI
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|a Marrone, Philip.
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|a Genifuel Hydrothermal Processing Bench-Scale Technology Evaluation Report.
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|a London :
|b IWA Publishing,
|c 2016.
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|a 1 online resource (202 pages)
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|a text
|b txt
|2 rdacontent
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|a computer
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|2 rdamedia
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|a online resource
|b cr
|2 rdacarrier
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|a WERF Research Report Series ;
|v v. LIFT6T14
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|a Print version record.
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|a Cover; Copyright; Acknowledgments; Abstract and Benefits; Table of Contents; List of Tables; List of Figures; List of Acronyms; Executive Summary; Chapter 1.0: Background and Purpose; Chapter 2.0: Objectives; Chapter 3.0: Sludge Feed identification and Preparation; 3.1 Sludge Types; 3.2 Sludge Feed Requirements; 3.3 Selection of Sludge Feed Supplier; 3.4 Sludge Feed Collection and Preparation; 3.4.1 Digested Solids; 3.4.2 Primary Sludge; 3.4.3 Secondary Sludge; 3.5 Lessons Learned from Sludge Feed Preparation Efforts; Chapter 4.0: Hydrothermal Processing Tests; 4.1 Test Location.
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|a 4.2 Equipment and Process Descriptions4.2.1 Hydrothermal Liquefaction (HTL); 4.2.2 Catalytic Hydrothermal Gasification (CHG); 4.3 Sludge Feed Preparation at PNNL; 4.3.1 Digested Solids; 4.3.2 Primary Sludge; 4.3.3 Secondary Sludge; 4.4 Tests Performed; 4.4.1 Digested Solids; 4.4.2 Primary Sludge; 4.4.3 Secondary Sludge; 4.5 Process Monitoring Data; Chapter 5.0: Sampling and Analytical Results; 5.1 HTL Sampling Strategy and Procedures; 5.2 CHG Sampling Strategy; 5.3 Analytical Data; 5.3.1 HTL Feedstock Characterization; 5.3.2 Biocrude Characterization.
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|a 5.3.3 HTL Aqueous Product Characterization5.3.4 HTL Solid Product Characterization; 5.3.5 HTL Gas Product Characterization; 5.3.6 CHG Feed -- Pre and Post Ion Exchange; 5.3.7 CHG Aqueous Product Characterization; 5.3.8 CHG Gas Product Characterization; 5.3.9 CHG Sulfur Removal and Catalyst; 5.4 QA Review; 5.4.1 Ammonia; 5.4.2 Anions; 5.4.3 Chemical Oxygen Demand; 5.4.4 Density and Kinematic Viscosity; 5.4.5 Dissolved Organics; 5.4.6 Elemental Analysis; 5.4.7 Gravimetric Analyses; 5.4.8 Light Hydrocarbons and Permanent Gases; 5.4.9 Metals; 5.4.10 Moisture; 5.4.11 pH; 5.4.12 Siloxanes.
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|a 5.4.13 Total Acid Number5.4.14 Total Organic Carbon; Chapter 6.0: HTP Technical Analysis; 6.1 Sludge Feed Characteristics and Performance; 6.2 Biocrude and Methane (CHG Gas) Yields; 6.3 Mass Balances; 6.4 Effluent Quality; 6.4.1 CHG Aqueous Phase Product; 6.4.2 Siloxane Analysis of CHG Gas Phase; 6.4.3 HTL Solids; 6.4.4 HTL Effluent Gas Product; 6.5 CHG Catalyst Performance; 6.6 System Performance; Chapter 7.0: Economic Potential; 7.1 Implications from Tests Results; 7.2 WRRF Sludge Disposal; Chapter 8.0: HTP Lessons Learned; Chapter 9.0: Summary and Conclusions; Chapter 10.0: Recommendations.
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|a Appendix A: Primary Sludge Feedstock Analytical DataAppendix B: Secondary Sludge Feedstock Analytical Data; Appendix C: Digested Solids Feedstock Analytical Data; Appendix D: Fresh Catalyst and Raney Nickel Metals Analysis Data; Appendix E: Feedstock Proximate Analysis Data; References.
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|b Hydrothermal Liquefaction (HTL) and Catalytic Hydrothermal Gasification (CHG) proof-of-concept bench-scale tests were performed to assess the potential of the Genifuel hydrothermal process technology for handling municipal wastewater sludge. HTL tests were conducted at 300-350?C and 2900 psig on three different feeds: primary sludge (11.9 wt% solids), secondary sludge (9.7 wt% solids), and post-digester sludge (also referred to as digested solids) (16.0 wt% solids). Corresponding CHG tests were conducted at 350?C and 2900 psig on the HTL aqueous phase product using a ruthenium based catalyst. A comprehensive analysis of all feed and effluent phases was also performed. Total mass and carbon balances closed to within +/- 15% in all but one case. Biocrude yields from HTL tests were 37%, 25%, and 34% for primary sludge, secondary sludge, and digested solids feeds, respectively. The biocrude yields accounted for 59%, 39%, and 49% of the carbon in the feed for primary sludge, secondary sludge, and digested solids feeds, respectively. It should be noted that HTL test results for secondary sludge may have been affected by equipment problems. Biocrude composition and quality were comparable to that seen with biocrudes generated from algae feeds. CHG product gas consisted primarily of methane, with methane yields (relative to CHG input) on a carbon basis of 47%, 61%, and 64% for aqueous feeds that were the product of HTL tests with primary sludge, secondary sludge, and digested solids, respectively. Siloxane concentrations in the CHG product gas were below the detection limit and well below fuel input composition limits set by several engine manufacturers. Relative to that of the sludge feeds, the HTL-CHG process resulted in a reduction in chemical oxygen demand (COD) of greater than 99.9% and a reduction in residual solids for disposal of 94-99%. The test results, as a whole, support further long-term testing in a larger scale integrated system that is representative of what would be installed at a water resource recovery facility (WRRF) in order to fully assess the technical and economic viability of this technology for wastewater sludge treatment.
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|a ProQuest Ebook Central
|b Ebook Central Academic Complete
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|a Hydrology.
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|a Water-supply.
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|a Water Supply
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|a Hydrologie.
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|a Eau
|x Approvisionnement.
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|a Water supply & treatment.
|2 bicssc
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|a Environmental science, engineering & technology.
|2 thema
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|a Industrial applications of scientific research & technological innovation.
|2 thema
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|a Mining technology & engineering.
|2 thema
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|a Water supply & treatment.
|2 thema
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|a Environment and Ecology.
|2 ukslc
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|i Print version:
|a Marrone, Philip.
|t Genifuel Hydrothermal Processing Bench-Scale Technology Evaluation Report.
|d London : IWA Publishing, ©2016
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| 830 |
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0 |
|a WERF Research Report Series.
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| 856 |
4 |
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|u https://ebookcentral.uam.elogim.com/lib/uam-ebooks/detail.action?docID=4742396
|z Texto completo
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|a Askews and Holts Library Services
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