The Anaerobic Treatment Of Effluent From Meat Processing Operations
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The Anaerobic Treatment Of Effluent From Meat Processing Operations
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Author : C. F. Denmead
language : en
Publisher:
Release Date : 1974
The Anaerobic Treatment Of Effluent From Meat Processing Operations written by C. F. Denmead and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Agricultural processing industries categories.
An Industrial Waste Guide To The Meat Industry
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Author : American Meat Institute. Committee on Sanitation and Waste Treatment
language : en
Publisher:
Release Date : 1965
An Industrial Waste Guide To The Meat Industry written by American Meat Institute. Committee on Sanitation and Waste Treatment and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Animal waste categories.
Investigation Of Performance Of A Submerged Anaerobic Membrane Bioreactor Anmbr Treating Meat Processing Wastewater
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Author : Mohammed Abdullah Galib
language : en
Publisher:
Release Date : 2014
Investigation Of Performance Of A Submerged Anaerobic Membrane Bioreactor Anmbr Treating Meat Processing Wastewater written by Mohammed Abdullah Galib and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Anaerobic membrane bioreactor (AnMBR) has grown popular as a means of sustainable biological treatment in the recent few decades due to less energy and space requirement, less sludge production, increased treatability, and methane production, which can make the system energy-positive; however, membrane cost and membrane fouling remain the major issues in its widespread use. Slaughterhouse/meat processing wastewater poses threat to the environment and its release with a higher contaminant concentration than the discharge standards imposes surcharge fees on the plant. High organic strength and slowly degradable particulates in such wastewater make AnMBR a good choice for its treatment, as shown by few studies. However, those studies used membrane in a pressure-driven external configuration requiring high cross flow velocity and consuming more energy. Internally submerged vacuum driven membranes can operate on lower pressure and energy, while offering similar treatment potentials. Owing to the knowledge gaps, this study was conducted using an AnMBR in a submerged membrane configuration with the objectives to (a) assess the performance in terms of COD removal and biogas production at varying feed loads, (b) investigate the membrane performance in terms of achievable flux and fouling behaviour, and (c) establish baseline information on start-up and operating conditions for implementing larger scale reactors. A bench-scale anaerobic reactor (5L) was set up, with a submerged ultrafiltration hollow fibre membrane (pore dia. 0.04[mu]m, surface area 0.046 m2). Sludge from a mesophilic anaerobic digester at a municipal wastewater treatment plant was used to inoculate the AnMBR, and wastewater from Conestoga Meat Packers, Woolwich, Ontario was used as the feed. The reactor was run on continuous mode at room temperature and neutral pH. The system performance was evaluated under three different operating conditions by varying the HRT (5d, 2d, and 1d), which simultaneously changed the membrane permeate flux. Intermittent pumping, surface scouring by biogas and weekly chemical cleaning were applied to minimize fouling of the membrane. The feed solids concentration was seen to fluctuate widely (0.3-2.6 g/L) depending on the nature and extent of works in the plant; however, the reactor showed good stability and the MLSS was not affected significantly by the wide variation. The average MLVSS concentrations were 1.7±0.7, 1.8±0.3, and 2.1±0.2 g/L, in Phases I, II, and III respectively with a variation of less than 550 mg/L. With the incoming organic concentration (TCOD 0.6-4.9 g/L) varying widely like the solids, the average effluent COD in Phase I, Phase II and Phase III were 96±28, 170±36 and 373±76 mg/L, giving very good COD removal efficiencies of 95±3.1%, 94±2.3% and 88±4.6%. The average organic loading rates (OLR) of 0.4±0.2, 1.4±0.4 and 3.1±1.1 kg COD/m3/day were achieved in the three Phases. Results of this study were similar to or better than some of the earlier studies with similar wastewater in terms of percent COD removals and effluent COD concentrations. The daily biogas production went up from 0.37±0.18 L/day in Phase I to 2.82±0.62 L/day in Phase III. The percentage of methane in the biogas remained consistently high at 72±4% throughout the study period. The specific methane yields were 0.24±0.16, 0.16±0.05 and 0.20±0.09 L CH4/g CODremoved in Phase I, II and III respectively, which are similar or slightly lower than the values (0.2 - 0.3 L CH4/g CODremoved) reported by some of the earlier studies. VFAs/Alkalinity ratio of less than 0.2 was observed throughout the study which indicated the stability of the system. Extracellular polymeric substances (EPS) in the reactor sludge were 96.9±8.6, 100.2±8.5 and 105.2±5.0 mg/gVSS in Phases I, II and III, with a Protein/Carbohydrate ratio of 6.1-6.5. The increasing EPS concentrations contributed towards build-up of cake sludge on the membrane surface, which augmented membrane fouling. Average measured membrane flux of 1.14±0.02, 3.15±0.04 and 6.15±0.37 LMH were observed during the three Phases. Measured flux were very close to the set flux throughout Phases I and II, and the first 15 days of Phase III, indicating that there was none or insignificant membrane fouling. This attested the success of membrane surface scouring with biogas and periodic membrane maintenance cleaning. However, with the progress of Phase III (at 1d HRT) the membrane became more fouled and declines in flux were experienced. Transmembrane pressure (TMP) at the end of Phase I, Phase II and at the beginning of Phase III were below 3 kPa. However, TMP higher than 40 kPa was observed towards the end of Phase III. This lab-scale AnMBR was able to demonstrate the applicability and efficiency in treating meat processing wastewater with a submerged membrane and at ambient temperature. The produced biogas had high percentage of methane, suggesting its scope for being an energy positive process, though there is still potential to increase the specific methane production. From the results of this study, HRT of 2 days, SRT of 50-60 days and membrane permeate flux of 6 LMH are recommended. Periodic maintenance cleaning will help to reduce membrane fouling. The start-up and operational information from the successful performance of this lab-scale reactor can be used as baseline for implementation of a larger or pilot scale AnMBR treating similar wastewater.
Design And Operation Of Anaerobic Treatment Systems In The Meat Processing Industry
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Author : John Michael Russell
language : en
Publisher:
Release Date : 1990
Design And Operation Of Anaerobic Treatment Systems In The Meat Processing Industry written by John Michael Russell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Anaerobic bacteria categories.
National Meat Packing Waste Management Research And Development Program
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Author : Jack L. Witherow
language : en
Publisher:
Release Date : 1973
National Meat Packing Waste Management Research And Development Program written by Jack L. Witherow and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Factory and trade waste categories.
Waste Treatment In The Food Processing Industry
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Author : Lawrence K. Wang
language : en
Publisher: CRC Press
Release Date : 2005-09-29
Waste Treatment In The Food Processing Industry written by Lawrence K. Wang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-09-29 with Science categories.
Many standard industrial waste treatment texts sufficiently address a few major technologies for conventional in-plant environmental control strategies in the food industry. But none explore the complete range of technologies with a focus on new developments in innovative and alternative technology, design criteria, effluent standards, managerial d
Post Treatments Of Anaerobically Treated Effluents
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Author : Vinay Kumar Tyagi
language : en
Publisher: IWA Publishing
Release Date : 2019-06-15
Post Treatments Of Anaerobically Treated Effluents written by Vinay Kumar Tyagi and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-15 with Science categories.
The anaerobic process is considered to be a sustainable technology for organic waste treatment mainly due to its lower energy consumption and production of residual solids coupled with the prospect of energy recovery from the biogas generated. However, the anaerobic process cannot be seen as providing the ‘complete’ solution as its treated effluents would typically not meet the desired discharge limits in terms of residual carbon, nutrients and pathogens. This has given impetus to subsequent post treatment in order to meet the environmental legislations and protect the receiving water bodies and environment. This book discusses anaerobic treatment from the perspective of organic wastes and wastewaters (municipal and industrial) followed by various post-treatment options for anaerobic effluent polishing and resource recovery. Coverage will also be from the perspective of future trends and thoughts on anaerobic technologies being able to support meeting the increasingly stringent disposal standards. The resource recovery angle is particularly interesting as this can arguably help achieve the circular economy. It is intended the information can be used to identify appropriate solutions for anaerobic effluent treatment and possible alternative approaches to the commonly applied post-treatment techniques. The succeeding discussion is intended to lead on to identification of opportunities for further research and development. This book can be used as a standard reference book and textbook in universities for Master and Doctoral students. The academic community relevant to the subject, namely faculty, researchers, scientists, and practicing engineers, will find the book both informative and as a useful source of successful case studies.
Handbook Of Industrial And Hazardous Wastes Treatment
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Author : Lawrence K. Wang
language : en
Publisher: CRC Press
Release Date : 2004-06-29
Handbook Of Industrial And Hazardous Wastes Treatment written by Lawrence K. Wang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-06-29 with Science categories.
Presenting effective, practicable strategies modeled from ultramodern technologies and framed by the critical insights of 78 field experts, this vastly expanded Second Edition offers 32 chapters of industry- and waste-specific analyses and treatment methods for industrial and hazardous waste materials-from explosive wastes to landfill leachate to w
Pollution Control In Meat Poultry And Seafood Processing
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Author : Harold R. Jones
language : en
Publisher: William Andrew
Release Date : 1974
Pollution Control In Meat Poultry And Seafood Processing written by Harold R. Jones and has been published by William Andrew this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Business & Economics categories.
An Industrial Waste Guide To The Meat Industry
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Author : American Meat Institute. Committee on Sanitation and Waste Treatment
language : en
Publisher:
Release Date : 1965
An Industrial Waste Guide To The Meat Industry written by American Meat Institute. Committee on Sanitation and Waste Treatment and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Animal waste categories.