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Sunday, July 19, 2020 | History

2 edition of Research on cross-flow filtration for solids removal from coal syncrudes found in the catalog.

Research on cross-flow filtration for solids removal from coal syncrudes

Abcor, Inc. Walden Research Division

Research on cross-flow filtration for solids removal from coal syncrudes

by Abcor, Inc. Walden Research Division

  • 248 Want to read
  • 34 Currently reading

Published by Dept. of Energy, for sale by the National Technical Information Service in [Washington], Springfield, Va .
Written in English

    Subjects:
  • Filters and filtration,
  • Coal

  • Edition Notes

    StatementWalden Division of Abcor, Inc
    SeriesFE ; 2245-16
    ContributionsHarland, John R, McNulty, Kenneth J, Tompkins, Frederick C, United States. Dept. of Energy
    The Physical Object
    Paginationv. :
    ID Numbers
    Open LibraryOL14879098M

    6bbe-7dfa-9cde-fc6a1fa team 3. @article{osti_, title = {Electrical coagulation: a new process for preparation plant water treatment}, author = {Nickeson, F H}, abstractNote = {The paper describes an electric coagulation process developed by Westinghouse Electric Corp. for the treatment of coal preparation plant water. There are many claims for the system, including improved settling rates of colloidal clays and fines.

    EPA/ July Control Technologies for Particulate and Tar Emissions from Coal Converters by C. Chen, C. Koralek, and L Breitstein Dynalectron Corporation Applied Research Division Rockledge Drive Bethesda, Maryland Contract No. Program Element No. EHEA EPA Project Officer: Robert A. McAllister Industrial Environmental Research Laboratory . The U.S. Department of Energy's Office of Scientific and Technical Information.

    Removal to sewer system. In some older landfills, leachate was directed to the sewers, but this can cause a number of metals from leachate passing through the sewage treatment plant concentrate in the sewage sludge, making it difficult or dangerous to dispose of the sludge without incurring a risk to the environment. In Europe, regulations and controls have improved in recent.   The process is effective for treatment of hydrocarbons such as synthetic crudes (syncrudes) or fractions thereof obtained from arsenic-containing oil shale, coal, and tar sand. Arsenic concentrations in these hydrocarbons often exceed 20 wppm, with values typically ranging from 20 to 80 wppm for full range shale oil derived from Colorado oil.


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Research on cross-flow filtration for solids removal from coal syncrudes by Abcor, Inc. Walden Research Division Download PDF EPUB FB2

Get this from a library. Research on cross-flow filtration for solids removal from coal syncrudes. [Frederick Clifford Tompkins; John R Harland; United States. Energy Research. Water Filtration. Water filtration is the process of removing or reducing the concentration of particulate matter, including suspended particles, parasites, bacteria, algae, viruses, and fungi, as well as other undesirable chemical and biological contaminants from contaminated water to produce safe and clean water for a specific purpose, such as drinking, medical, and pharmaceutical applications.

Bruce G. Miller, in Coal Energy Systems, Filtration Mechanisms. Filtration occurs when the particulate-laden flue gas is forced through a porous, solid medium, which captures the particles. In a baghouse, this solid medium is the filter bag and/or the residual dust cake on the bag.

Filtration is a process where solid particles present in a suspension are separated from liquid or gas employing a porous medium. This article includes some advances in sintered metal filters.

Steffen Heidenreich, in Progress in Filtration and Separation, 7 Conclusions. Hot gas filtration is a reliable and well proven technology which was firstly technically applied for flue gas cleaning at the incineration of low-level contaminated radioactive wastes from nuclear power generation at the beginning of the s.

The development of advanced coal-based power generation. A cross-flow moving-bed granular filter was investigated for its performance to filter the fast pyrolysis char-laden gas with an aim to elucidate the influence of the number of filtration stages.

Ceramic candle filters were used to remove flyslag from the syngas produced at the Shell Coal Gasification Process demonstration plant, SCGP-1, near Houston, Texas, USA.

Over hours of operation at MPa and temperatures ranging from to. Typical filter media for the downflow filter consist of selected silica sands, and coal or anthracite, which are tough inert solids, and available in a range of particle sizes.

One solution to the problem of optimizing the pore size profile in the bed is to use layers of different solids, with different densities. The results showed that using a filtration superficial velocity of m/min, mass flow rate of filter granules of kg/min, and rotational speed of 63 rpm, the overall porosity of the filter.

Cross flow does not appear in the common dust hopper. For 4 cyclones in parallel, the stability index of vortex flow in each cell cyclone is below half of that in a single cyclone. Filtration theory has been revised to explain filtration behaviour of liquefied coal.

solids from the liquid wastes by cross-flow ultrafiltration. To test this process a cross-flow filter was.

Dead-end filtration was suited for low solids feeds, whereas bubbled cross-flow was suited for more fouling feeds • Acceptance of modest fluxes and low TMPs • Energy consumption is a fraction of that in cross-flow systems: – kWh/m 3 for sMF, – kW/m 3.

The filtration tests were performed in a continuous mode with constant pressure using a low-cost ceramic filter made of clay soil and rice bran. The removal rates of the contaminants (heavy metals) as well as the turbidity, suspended solids, and nutrients of the stormwater were assessed.

The H-Coal process yields about four barrels of oil per ton of coal (about 74 percent conversion efficiency by weight). About 5 percent char is also produced. A self-sufficient plant will be about 64 percent thermally efficient. The Office of Coal Research (OCR) and an industrial consortium funded the building of a 3 ton/day PDU.

Filtration experimental work. Filtration was performed on the laboratory filtration unit as shown in Figure 2. 12, 13 Filtration setup consists of a stainless steel plate module of 50 mm in diameter; it has three openings for feeding, concentrate, and permeates.

A closed feeding tank (5 L) was used for feeding using pressure pump. USB2 US11/, USA USB2 US B2 US B2 US B2 US A US A US A US B2 US B2 US B2 Authority US United States Prior art keywords water media removal filtration filters Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

Food Engineering Handbook: Food Process Engineering addresses the basic and applied principles of food engineering methods used in food processing operations around the world.

Combining theory with a practical, hands-on approach, this book examines the thermophysical properties and modeling of selected processes such as chilling, freezing, and dehydration. Filtration 1 Filtration. Filtration plays an important role in the natural treatment of groundwater as it percolates through the soil.

It is also a major part of most water treatment. Groundwater that has been softened, or treated through iron and manganese oxidation, remove floc created by quires filtration to re coagulation or oxidation. The cleaning process of coals is challenging due to the existence of clay minerals.

The overall objective of this study is to investigate how the dewatering of coal slurry is impacted by the presence of clay minerals, i.e., kaolinite and montmorillonite. Filtration tests were first conducted to investigate the effect of kaolinite and montmorillonite on the dewatering efficiency of coal.

Trickling filters are another common method of secondary treatment that mostly operates under aerobic conditions. The effluent for the primary treatment is trickled or sprayed over the filter. The filter usually consists of a rectangular or circular bed of coal, gravel, poly Vinyl chloride (PVC), broken stones or synthetic resins [16].

Product water is totally free of suspended solids. It can be operated in cross-flow or dead-end filtration mode.

Product water recovery range from 90% to %. Ceramic membranes have a longer lifespan than polymeric membranes Product water is free of suspended solids.

Product water recovery range from 85% to % It has high pH tolerance.Reverse osmosis (RO) is a water purification process that uses a partially permeable membrane to remove ions, unwanted molecules and larger particles from drinking water.

In reverse osmosis, an applied pressure is used to overcome osmotic pressure, a colligative property that is driven by chemical potential differences of the solvent, a thermodynamic parameter.In cross-flow membrane filtration, fouling results from material deposit which clogs the membrane inner surface.

This hinders filtration, which experiences the so-called limiting flux. Among the models proposed by the literature, we retain a simple one: a steady-state reversible fouling is .