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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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

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

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

Some possible substitutes for microbial growth and biosurfactant production include urban wastes, peat hydrolysate, and agro-industrial by-products. Molasses, a nonconventional substrate (agro-industrial by-product) can also be used for biosurfactant production. ... Pressate from Peat Dewatering as a Substrate for Bacterial Growth, Appl ...Web

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

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

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

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

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, …Web

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 …Web

This study considered the possibility of using water expressed during the drying of fuel-grade peat as a substrate for microbial growth. Highlyhumified peat pressed for 2.5 min …Web

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

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

The results show that the most influential parameters affecting the dewatering efficiency are 1) the type and amount of primary sludge added to the sludge mix, 2) the operating parameters of the dewatering equipment and 3) the sludge solids throughput. A high proportion of fiber-rich primary sludge in the sludge mix substantially enhances ...Web

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

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 …Web

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

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 …Web

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

Feasibility of a peat biogasification process @article{Buivid1980FeasibilityOA, title={Feasibility of a peat biogasification process}, author={Michael G. Buivid and Donald L. Wise and A. M. Rader and Perry L McCarty and William F. Owen}, journal={Resource Recovery and Conservation}, year={1980}, volume={5}, pages={117-138} } ...Web

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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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

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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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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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