@article{osti_5301226, title = {Pressate from peat dewatering as a substrate for bacterial growth. [Rhizopus arrhizus; Xanthomonas campestris; Aureobasidium]}, author = …
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Vincent Corporation 2810 East 5th Avenue, Tampa, Florida 33605 vincent@vincentcorp Office: 813-248-2650. Fax: 813-247-7557
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The peat slurry containing about 10% solids is transported via pipeline to a processing plant for dewatering. The J.P. Energy process is a wet carbonization process which thermally treats the peat under 20 atmospheres pressure at 400 F for 15-30 minutes, producing a high density, moisture resistant, dust-free fuel with a heating value over ...
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A continuous, low severity process for dewatering peat. The process comprises the steps of flowing a slurry of peat through a reactor directly heated by the addition of live steam to heat the slurry to a temperature of between 160° C. to 200° C., subjecting the heated slurry to intense mechanical shear and mixing, and then, after a period of between 1 to 3 minutes, …
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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 …
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In this study, a Thune SP23 screw press was used with 230 mm barrel diameter and 1.2 mm holes diameter that represent 27.5% of the open area. Fig. 1 shows the characteristics of the press. We used three pulps having the following characteristics (on the basis of average length-weighted): the first pulp is a softwood Kraft, with a 2 mm fibre …
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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.
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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 work
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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 …
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irrigation. Centrate, the liquid fraction produced from dewatering of anaerobic digester sludge, is generally returned to the head of the treatment facility and contains up to 30% of the plant nitrogen loading. Regular chemical analyses were performed on both centrate and reuse water on a monthly basis for 16 months (August 2007 – November 2008).
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The U.S. Department of Energy's Office of Scientific and Technical Information
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Pressate from peat dewatering. as a substrate for bacterial growth. Applied and Environmental. Microbiology 50, 160±162. Rigaud, J., Puppo, A., 1975. Indol-3-acetic catabolism by soybean ...
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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 ...
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Pressate from Peat Dewatering as a Substrate for Bacterial Growth Mulligan, Catherine N.; Cooper, David G. Abstract. Publication: Applied Environmental Microbiology. Pub Date: …
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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 …
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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 ...
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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 …
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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.
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Pressate from peat dewatering as a substrate for bacterial growth. scientific article published on July 1985. Statements. instance of. scholarly article. 1 reference. stated in. Europe PubMed Central. PMCID. 238589.
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Europe PMC is an archive of life sciences journal literature.
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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].
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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.
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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 …
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Mach iran kanya dodoma sane.Peat dewatering pressate - 3d-interier mach iran kanya dodoma sane finlay screening and crushing pty ltd europe are most popular in africa domestic market and south asia you can ensure product safety by selecting from certified suppliers including 130 with iso9001 73 with other and 31 with iso14001 certification.
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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 …
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Abstract and Figures. This study considered the possibility of using water expressed during the drying of fuel-grade peat as a substrate for microbial growth. Highly …
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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 ...
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In this production process, peat, after having been slurried to a dry solids content of about 7%, is pumped from the slurrying basin into a large storage pond located near the power plant, and after that passed through a mechanical dewatering process. The dewatered peat, with a moisture content of about 60 - 65%, can be burned in pressurized ...
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A mechanical model of the peat bed The results show that dewatering of peat is dependent primarily on the water permeability of the peat bed. A frequently used relationship between permeability and solidity is the Kozeny-Carman equation13: K= (1-0)3 (2) 10- I IT 2.5 5.0 7.5 Pressure drop P/m/A 10~4(N/kg) Figure 12 The permeability for …
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• Centrate Treatment at Hunts Point WPCP – The Hunts Point WPCP dewatering operation generates a centrate with an average flow rate of 1.3 MGD (4.9 MLD). The centrate is aerated for up to four days in a spare aeration tank and it can be operated with an internal recycle if necessary to improve treatment efficiency.
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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 ...
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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. Several biological compounds could be produced by using the organic matter in expressed peat water as a …
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- 2 --. ' : ~ `~ centrifuge (the peat slurry or sludge), is dewatered in a -~ mechanical pressing means such as a band press, screw press, sheet press or similar device. The invention thus comprises a combination of two operations known per se, i.e., decanter centrifugation and pressing which have produced surprisingly successful results.
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