Pressate from peat dewatering as a substrate for bacterial growth
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Abstract. This study considered the possibility of using water expressed during the drying of fuel-grade peat as a substrate for microbial growth. Highly humified peat pressed for 2.5 …Web
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This study considered the possibility of using water expressed during the drying of fuel-grade peat as a substrate for microbial growth to improve the quality of the expressed water to the extent that in an industrial process it could be returned to the environment. This study considered the possibility of using water expressed during the drying of fuel-grade peat …Web
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JSD publishes basic and applied scientific research related to the interfacial behavior of petrochemical and oleochemical surfactants and detergent ingredients and how this relates to performance in different applications.Web
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Mulligan CN, Cooper DG. Pressate from peat dewatering as a substrate for bacterial growth. Appl Environ Microbiol. 1985 Jul; 50 (1):160–162. [PMC free article] [Google Scholar] Pramanik M, Iswaran V. Survival of Rhizobium japonicum in various carriers. Zentralbl Bakteriol Parasitenkd Infektionskr Hyg. 1973; 128 (3):232–239.Web
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Figure 1. Optimization of Thickening and Dewatering Processes Is a Balancing Act Reprinted with permission from Heidi /Jacobs Engineering, Inc. Solids capture is often overlooked as a parameter that can have a significant impact on the optimization of thickening and dewatering. It can also help improve the overall performance ofWeb
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Pressate from peat dewatering as a substrate for bacterial growth Mulligan, C.N.; Cooper, D.G. Applied and Environmental Microbiology 50(1): 160-162 1985. ISSN/ISBN: 0099-2240. ... Small additions of nutrients to the peat pressate were necessary to obtain substantial yields of products. The addition of peptone, yeast extract, and glucose ...Web
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Biological additives for improved mechanical dewatering of fuel-grade peat @article{Cooper1986BiologicalAF, title={Biological additives for improved mechanical dewatering of fuel-grade peat}, author={David G. Cooper and David W. Pillon and Catherine N. Mulligan and John Sheppard}, journal={Fuel}, year={1986}, volume={65}, …Web
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Black peat was obtained from Padul, Granada, Spain. This peat has been used since 1975 as a carrier for commercial legume inoculant production in Spain (Ruı́z-Argüeso et al., 1979, ... Pressate from peat dewatering as a substrate for bacterial growth. Applied and Environmental Microbiology, 50 (1985), pp. 160-162. CrossRef View in …Web
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This study considered the possibility of using water expressed during the drying of fuel-grade peat as a substrate for microbial growth. Highlyhumified peatpressed for 2.5 minat 1.96 ...Web
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The surfactin could be used in a peat dewatering process or sold as a co-product from a peat production facility. ... (1985) Pressate from peat dewatering as a substrate for bacterial growth. Appl Environ Microbiol 50:160–162. Google Scholar Parsons JW, Tinsely J (1961) Chemical studies of polysaccharide material in soils and composts based ...Web
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Using a batch heating system raw peat was heated to temperatures below 200°C before mechanical dewatering. Variations were made in heat up time, residence time and helding temperature. After heat treatment, dewatering could be further enhanced by the addition of chitosan, a polycationic biopolymer. On a chauffe a l'aide d'un systeme de …Web
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This study considered the possibility of using water expressed during the drying of fuel-grade peat as a substrate for microbial growth. Highly humified peat pressed for 2.5 min at 1.96 …Web
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Intelligent controls could cut costs and improve dewatering performance at U.S. wastewater treatment plants — but they will need to overcome heavy inertia and skepticism. ... (also referred to as filtrate or pressate), which is the mostly-water fraction separated from the biosolids in the production of cake. Overdosing of polymer can lead to ...Web
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The thickener's underflow is again treated with polymer and sent to a filter press for dewatering. Filter pressate is recycled back into the primary clarifier while the solids are disposed of. Cold Rolling Wastewater. Industry uses steel cold rolling to harden, reduce thickness, and provide special finishes on steel. Acidic, alkaline, and ...Web
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However, for reasons of functionality and production cost, they are not competitive with chemical surfactants. Use of inexpensive substrates can drastically decrease the production cost of biosurfactants. This review describes the use of unconventional carbon sources for biosurfactant production. These sources include urban as well as ...Web
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Highly humified peat pressed for 2.5 min at 1.96 MPa produced water with a chemical oxygen demand of 690 mg/liter. Several biological compounds could be …Web
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To the best knowledge of the authors, this is the first controlled laboratory study to analyze both the cake solids and filtrate/pressate suspended solids content after dewatering of mixtures of primary sludge and biosludge at various solids ratios. The results presented herein were mostly generated during MASc thesis work, conducted by Amin [12].Web
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Screw presses. A screw press provides sludge dewatering by passing the sludge along the inside of a permeable cylinder. It uses a slowly-rotating (~5 RPM) Archimedean screw within a cylindrical screen (otherwise termed drum filter/screen or basket). It is normally inclined by ~20° to the horizontal to assist with the draining of water into the ...Web
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Pressate from Peat Dewatering as a Substrate for Bacterial Growth Catherine Mulligan David G. Cooper This study considered the possibility of using water expressed during the drying of...Web
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This study considered the possibility of using wapressed during thedrying offuel-grade peat as a substrate formicrobial growth, and describes theuse ofexpressed wateras a substrate foricrobial growth. Thisstudy considered thepossibility ofusing wapressed during thedrying offuel-grade peat as a substrate formicrobial growth. Highly humified …Web
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the efficiency of mechanical dewatering (Ayub and Sheppard 1986). This is also true for the bio- surfactant produced by Bacillus subtilis ATCC 21332 (Cooper et al. 1986). The biosurfactant ... pressate from a peat dewatering process (Mulli- gan and Cooper 1985). The purpose of the workWeb
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to use the pressate as a substrate for microbial growth. Many microbiological studies on peat bogs have been done since the microbes present in this environment are responsible for the slowdecompositionofpeat (4, 8, 12, 17, 18, 24, 26-30). Peat removedfromthe boghasbeenused to produce methane by anaerobic fermentations (3, 11; R.Web
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This study considered the possibility of using water expressed during the drying of fuel-grade peat as a substrate for microbial growth. Highly humified peat pressed for 2.5 min at 1.96 MPa produced water with a chemical oxygen demand of 690 mg/liter.Web
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Dewatering—A process that removes water from a thin solids flow stream (for example, 0.5% to 3.5% solids concentration), resulting in a dewatered, semi-solid "cake" product (15% to 40% ... "pressate," or "centrate." Return Activated Solids (RAS)—The portion of activated solids that are returned to the ...Web
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The efficient rotary press features a capture rate of 98%, compared to rates in the low 90s or even 80s for traditional dewatering solutions. That increased efficiency is significant; if a certain amount of sludge contains 1,000 gallons of water, then a press that captures 98% of that water captures 980 gallons instead of possibly 850 gallons.Web
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This study considered the possibility of using water expressed during the drying of fuel-grade peat as a substrate for microbial growth. Highly humified peat pressed for 2.5 min …Web
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Archived Publications. Applied Turfgrass Science (2004–2014) Crop Management (2002–2014) Forage & Grazinglands (2003–2014) Journal of Production Agriculture (1988–1999)Web
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The filtrate from gravity filtration and the pressate from Crown Press dewatering were combined and analyzed in terms of total suspended solids concentration (TSS). Filtrate/pressate requires treatment and is usually returned to the head of the treatment system. An average pulp and paper mill generates filtrate/pressate that …Web
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CHEMICAL STUDIES OF TWO FLORIDA PEAT PROFILES" by S. Waksman et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. …Web
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Pressate from peat dewatering as a substrate for bacterial growth. Applied and Environmental Microbiology, 50(1), 160–162. CAS Google Scholar Fox, S. L., & Bala, G. A. (2000). Production of surfactant from Bacillus subtilis ATCC 21332 using potato substrates. Bioresource Technology ...Web
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The peat used in this work was obtained from the Farnham Bog, Quebec, Canada. Characterization of this peat has been the subject of earlier papers. The ash content is 3.2%, and a C/O ratio of 1.9 is found (L@vesque and Mil- lette, 1977 ). This peat has a 40% humic acid content, a 6% fulvic acid content, and a 8% sugar content (Risi et …Web
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