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 ...
Frederick C Tompkins
by Energy Research and Development Administration, for sale by the National Technical Information Service in [Washington], Springfield, Va
Written in English
|Statement||Frederick C. Tompkins, Jr|
|Contributions||United States. Energy Research and Development Administration|
|The Physical Object|
A simple model presented for cross‐flow filtration of liquid suspensions was formulated on the premise that among the particles convected to the filter medium surface in cross‐flow filtration, only a fraction of them become deposited. Industrial & Engineering Chemistry Research, 56, 30, ( , Modeling the performance of cross-flow. Tangential Flow Filtration Methods For Successful Scale up International Workshop on "Vaccine Quality Management” July 10 - 11th – Hosted by Birmex, Mexico D.F. Presented by: John Cyganowski EMD Millipore Corporation July File Size: KB.
filtration theory with the concept of particle adhesion probability, they developed a model of cross-flow filtration which successfully correlated permeate-flux data in the filtration of suspensions of kaolin reported by Murkes and Carlsson (). Field et al. () introduced the concept of critical flux for cross-flow microfiltration. Sterlitech's cross flow testing cells, the CF and the Sepa CF cell, will soon be coming with their own guides to cross flow filtration. Below is an excerpt from the guide, showcasing studies that illustrate the versatility of Sterlitech's cross flow filtration equipment and are helpful in developing your own experiments: The following studies utilized the Sterlitech .
The film theory was used to determine the mass transfer coefficient for the cross-flow filtration of guar gum solutions. We investigated their variation with cross-flow velocity and concentration. Comparing the experimental results with the Sherwood correlation generalized for power law fluids and with two models found in the literature led to. cross-flow filtration seems to be more stable at high flux, i.e., L/h.m2. However, results have shown that in dead-end filtration, a gain of about kWh/m3 is realized on energetic balance. In this case, the energy consumption is around kWh/m3 and represents only a small percentage of the operation and maintenance costs.
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Get this from a library. Research on cross-flow filtration for solids removal from coal syncrudes. [Frederick Clifford Tompkins; John R Harland; United. This type of filtration is typically selected for feeds containing a high proportion of small particle size solids (where the permeate is of most value) because solid material can quickly block (blind) the filter surface with dead-end filtration.
Industrial examples of this include the extraction of soluble antibiotics from fermentation liquors. The main driving force of cross-flow filtration. Canada’s Oil Sands Innovation Alliance (COSIA) Mailing Address 5th Avenue SW, Suite Calgary, Alberta T2P 3R7. Phone: Email: [email protected] include crossflow filtration, backwashable-cartridge filtration, in-tank settling, hydrocyclone, and counter-current decanting.
Conventional dead-end filtration methods operate with the feed (slurry) flow in the same direction as the permeate flow (i.e., into the filtration media). An alternative method is to recirculate the slurry and.
The efficiency of cross-flow filtration is largely dependent on the ability of the membrane to perform an effective surface filtration, especially where suspended or colloidal particles are involved. Table shows the advantages and versatility of cross-flow filtration in meeting a broad range of filtration objectives.Cited by: Cross-Flow or Tangential Flow In cross-flow filtration (TFF) the membrane does the primary work compared to the combination of cake and membrane in deadend cake filtration.
The cross-flow allows the membrane to be swept free of solids allowing for a lower resistance to fluid flow through the membrane In contrast to the dead-end filtration technique, the shearing effect caused by cross flow can sweep the deposited particles toward the concentrate or retentate side so that the cake layer remains relatively thin (Fig.
1a). In the case of cross-flow filtration, a cake layer will be built up gradually. Crossflow separator A high capacity teeter-bed separator Eriez’ CrossFlow Separator is a highly efficient hydraulic classifier for the separation of material based on particle size, shape and/or density.
This technology can also be used for desliming, counter-current washing and acid neutralization of minerals. Cross-flow cake filtration mechanisms and ‘kinetics taking measurements directly from the video screen and scaling by the magnification.
The camera was set up to begin recording before the bung was removed, so that the start of the experiment could be clearly seen on the play-back. Thus, the two sets of data could. Cross Flow Filtration for Mixed-Culture Algae Harvesting for Municipal Wastewater Lagoons by Misheka Wilson, Master of Science Utah State University, Major Professor: Dr.
Ronald Sims Department: Biological Engineering The transesterification of lipids extracted from algae makes up the third generation of biodiesel by: 1. The second application involves filtration to wash and concentrate the sludge during out-of-tank processing of a relatively concentrated (8 wt YO) solids feed stream.
Filter studies were conducted with a micron cross-flow sintered metal Mott filter and micron cross-flow Graver filter using two simulants to demonstrate solid-liquidAuthor: B.W. Walker, D.J. McCabe. Whatiscrossflowfiltration. Crossflowfiltration(CFF,alsoknownastangentialflowfiltrationTFF)isafiltration File Size: 1MB.
The treated coal was cooled, filtered, and washed free of nitric acid. The filtrate was rejected. The oxy-coal was dried at °C and was analyzed both chemically and spectroscopically. About g of a low-rank bituminous coal was refluxed with 3(N)HNO 3.
The oxy-coal was isolated and was extracted with dry-acetone using a Soxlet apparatus. The first comprehensive work on crossflow filtration in book form, covering both low-shear techniques and the new high-shear techniques.
Considers crossflow filtration in relation to interaction with the formation process of secondary membranes, and covers the special cases of ultra- and by: SEPARATION OF COLLOIDAL PARTICLES FROM GROUNDWATER BY CROSS-FLOW ELECTRO-FILTRATION PROCESS FOR IMPROVING THE ANALYSIS OF LEAD (YEAR III) V/cm SET JULY, Prog 1 0 36m A V NaOH HClO 4 Power Supply pH Controller Milipore pump unit CFEF unit Computer Flow meter Mixing tank SET NaOH HClO 0 5 10 15.
New techniques such as cross-flow filtration also emerged to help deal with the problem of fouling. Taken together, new filtration techniques and new filtration media developed in the later half of the twentieth century allowed for the proliferation of new processes, such as reverse osmosis, that fed back into the demand for new and better filters.
HIGH SOLIDS CROSSFLOW FILTRATION Features Beneﬁts Robust PTFE tubular membranes and SS pins • Enables highest opera’ng temperatures of any polymeric membrane module.
• Chemically resistant to the most aggressive clean- ing. Based upon a new conception that the solid compressive pressure on a cake surface is not null, almost of all solid-liquid separation operations have been re-examined.
For cake filtration, the phenomenon caused by the solid compressive pressure on a cake surface is discussed for thin cake. New expression and hindered sed-imentation theories are developed Cited by: 9. The field of covered filtration processes ranges from microfiltration to reverse osmosis, passing through ultrafiltration and nanofiltration.
Membranes never enough for us. Ask for information On: Cross flow filtration. In-Plant Testing of CrossFlow Separator in the Coal Industry Introduction an industry driven research program was initiated to develop a new solids) and operates at lower pressures (atmospheric versus 20 psig) for sizing the fine coal streams.
These differences reduce the pumping requirements and minimize wear. The effect of various operating conditions such as pressure (69– kPa) and cross-flow velocity (– m/s) on the microfiltration process of oil-in-water emulsion was studied using.The following were specific objectives: 1) to design and operate a crossflow electro-filtration (CFEF) process for the separation of naturally occurring colloids from the groundwater.
An instrument based on the principle of cross-flow electro-filtration process was to .Based on these encouraging findings, the scale up for the cross-flow filtration to the pilot plant scale was realized.
Membranes from the best performing manufacturer (TAMI) at .