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Non-Newtonian Fluids

Keywords: Non-Newtonian fluid, soil remediation, flow characteristics, non-isothermal flow regime, adsorbent contaminant With industrial processes of oil, gas, and mining contributing to soil and water contamination in Alaska, there is a need to develop cost- and time-effective remediation methods for cleaning soils and aquifers.

Laminar and Turbulent Flow of Non-Newtonian Fluids in …

† The Coussot (1994) model for laminar flow of a Herschel-Bulkley fluid in rectangular and trapezoidal open channels; and 1Flow Process and Rheology Centre, Cape Peninsula Univ. of Technol-ogy, Cape Town 8001, South Africa (corresponding author). E-mail: [email protected] mweb.co.za 2Professor,FlowProcessandRheologyCentre,CapePeninsulaUniv.of

Plant design for slurry handling - SAIMM

process. Transitional pipe flow The laminar/turbulent transition is of extreme importance for plant design, because at this point the behaviour of the fluid changes fundamentally. The manner in which slurry rheology affects transitional flow behaviour is critically important to understanding the slurry environment. For

Rheological investigation in the mining and oil ...

Rheological measurements provide important information about the efficiency of the processes described above, which largely revolve around the flow of slurries and liquids: . Drilling. Drilling fluids play a number of important roles in the drilling process, such as lubricating the bit and drill string, clearing cuttings from the bit face, and keeping formation fluids at bay.

Process Control in Mining – The Role of Rheology ...

Process Control in Mining - The Role of Rheology. On-site mining processes mostly involve: Separation processes (like flocculation, floatation etc.,) and mixing processes for maximising ore extraction. Concentration and dewatering processes for minimising waste volume, water losses and maximising pumping efficiencies over long distances.

Basics of Rheology – On-demand series | Thermo Fisher ...

Basics of Rheology – On-demand series Rheological measurements in rotation (Parts 1-3) reflect the flow characteristics during the production process (e.g., agitation, pumping, pipe flows) as well as storage, transport, and applications (such as painting spraying or spreading).

Rheology and the Resource Industries

In a mineral processing plant, another important aspect is the impact this cation exchange process causes on pulp critical variables such as rheology (Boger, 2009), flocculation and settling ...

The Importance of Rheology in Mining Processes

Rheological measurements provide important information about the efficiency of the processes described above, which largely revolve around the flow of slurries and liquids: . Drilling. Drilling fluids play a number of important roles in the drilling process, such as lubricating the bit and drill string, clearing cuttings from the bit face, and keeping formation fluids at bay.

S A Y A V U R I. B A K H T I Y A R O V - Engineering

New Mexico Institute of Mining and Technology Mechanical Engineering Department 122 Weir Hall, 801 Leroy Place Socorro, NM 87801-4796, USA ... Arena-Flow, LLC, Albuquerque, NM (Sand Flow Simulations) Ashland Chemical Co., Columbus, OH (Rheology of Resin Binders) Bendix Commercial Vehicle Systems LLC, Elyria, OH (Prototype Casting) ...

Mining Rheology of Coal - SGS Indonesia

Mining › Analytical Services › Coal and Coke. Mining Rheology of Coal. Rheological testing determines the flow characteristics of materials. Coking coals swell, soften and then re-solidify to form coke when heated in the absence of air. These rheological properties of coal in the coke oven have a major impact on the resultant coke quality.

Rheology: The Measure of Successful Concrete Construction

Apr 02, 2015· Rheology, a measure of flow behavior, is an important way of determining concrete performance because it allows an in-depth characterization of the elastic and viscous properties of freshly prepared building materials. Rheometers are suited for complex material property investigations in the cement industry for applications such as relative ...

(PDF) An Investigation on the Effect of Chrysotile ...

As a result, process stream rheology is becoming more important in mining processes today. These processes include wet grinding, classification, gravity separation and tailings disposal. In these examples, knowledge of the flow behaviour of the mineral constituents, particularly gangue minerals, is important and is indicative of the measures ...

Impeller Technology | Mixquip

Ideally suited to mixing non-Newtonian fluids, this impeller covers a wide range of consistency and flow behavior characteristics /rheology. Pitched Blade Turbine Mixquip PBT is suited to low to medium viscosity applications where axial flow is preferred and a degree of …

Services - CPUT

Application of rheology to improve/ optimise industrial flow processes On site rheological measurement of suspensions pastes and sludges using a portable tube as well as rotary viscometer. On site quality assurance flow testing

Rheology Testing - Intertek

Understanding the rheological (flow) properties of a polymer helps obtain optimized material properties during the molding process. Rheology testing can determine if materials are processed properly with minimal product degradation. Rheological tests to measure the viscosity of a polymer ranging from single point tests to variable shear-rate tests.

Rheology, Nanotechnology, Particulate/Multiphase Processes ...

Responsibilities: Consulted and performed contract R&D for chemical and process industries in the area of rheology and fine particle technology. Provided contract R&D and laboratory testing services to the process industry (clientele>30) - agro/food, biomedical, ceramic, coal/mineral/oil, chemical, cosmetic, ink/paint, nutraceutical ...

(PDF) Environmental rheology for waste minimisation in the ...

Chemical Engineering Journal 86 (2002) 319–330 Environmental rheology for waste minimisation in the minerals industry Fiona Sofrá, David V. Boger∗ Particulate Fluids Processing Centre, Department of Chemical Engineering, The University of Melbourne, Parkville, Vic. 3010, Australia Accepted 14 June 2001 Abstract Dry disposal represents a paradigm shift in mining engineering.

Non-Newtonian fluid flow measurement using sharp crested ...

The tests reported in this document were carried out in the Flow Process and Rheology Centre laboratory. Notches fitted to the entrance of a 10 m flume and an in-line tube viscometer were calibrated using water. ... The research will benefit the mining and food processing industries where high concentrations of non-Newtonian fluids are ...

Dynamic Shear Rheometers (DSRs) & Rheological Applications

Rheology •Testing –Typically, testing can either be in terms of flow (viscosity) and/or deformation (oscillation). •Flow –mimics processing conditions •Deformation –quantifies viscoelasticity (performance)

Rheology, Viscosity and Powder Flowability

Rheology has applications in materials science, engineering, mining & minerals, food, life science and pharmaceuticals. Materials science is utilized in the production of many industrially important substances, such as cement, paint, and chocolate, which have complex flow characteristics.

Production processes: Batch, flow, continuous & custom ...

Feb 01, 2021· Products flow continuously through a linear process on autopilot. Example of continuous production Continuous production is common for industries in which quality and performance hinge on uninterrupted processes, such as a water treatment plant.

ROSEN - Flow Assurance

Different slurry flow regimes can occur in a pipeline. The damaging effect of the "sliding/moving bed" is well known, for example. The study's holistic approach encompasses analysis of slurry chemistry and rheology, particle properties and flow modelling to determine a pipeline's internal conditions.

THICKENED TAILINGS: RHEOLOGICAL AND GEOTECHNICAL ...

Thickening process Piping and pumping design Beach flow characterisation Tests must be done for a range of solids concentrations, size distributions and include all variables that may influence rheology Rheology is sensitive to variations in slurry 'ingredients' – a …

Rheology Testing | Polymer Physical Testing | Smithers

Rheology Testing. Smithers offers a wide range of rheological services at its rubber testing lab to satisfy all needs ranging from long/short term routine quality control to process design and flow analysis. The measurement of rheological properties can help to develop an improved product, predict its end use performance and the physical ...

Flow Process and Rheology Centre (FPRC) - CPUT

What is the Flow Process and Rheology Centre ( FPRC) all about? We solve problems that relate to the flow of industrial fluids. Typically our work ranges from mining slurries and paste & thickened tailings, to explosive emulsions, foodstuffs, pharmaceuticals, flowable concrete and cosmetics.

Research and Development (R&D) Department | AEL Mining ...

Powder Rheology: At AECI Mining Explosives R&D, we use the Freeman Technologies FT4 powder rheometer that enables us to determine the following: The flow ability of conditioned, consolidated and aerated powders. Measure bulk density, permeability and …

Kapiamba Fabrice - Missouri University of Science and ...

Sep 28, 2018· Flow Process & Rheology Centre ... • Supported the completion of AEL Mining Services' project valued at $250K within 18 months; reviewed and reported the …

Rheology is Everywhere | Southwest Research Institute

Rheology is in action all around us, from asphalt that doesn't melt on a hot day to perfectly melting chocolate. Foods, motor oils, cosmetics and pharmaceuticals depend on rheological data to perform as expected. This field of science examines the behavior of fluids and materials at different pressures and temperatures, specifically measuring how they flow.

Underground Mine Backfilling in Australia Using Paste ...

May 13, 2015· Underground mine backfilling is a form of ground improvement that has to be carried out in the mine sites. The backfilling provides ground support and regional stability, thus facilitating ore removal from nearby regions. The large underground voids created by the ore removal are backfilled with the waste tailings in the form of paste fills, hydraulic fills, and others. The tailings are placed ...

Non-Newtonian fluids - The importance of rheology in ...

Jul 28, 2020· Non-Newtonian fluids – The importance of rheology in piping networks design. The characteristics of slurry viscosity are defined by its rheology which describes the deformation and flow behaviour of materials, both fluids and solids. It applies to fluids which exhibit complex microstructures such as sludge and suspensions, mud, fluid-foods etc.

Rheology for thickened tailings and paste — history, state ...

Compressional rheology has also emerged as a whole new area of interest. This progress, coupled with advances in understanding the interrelationship between surface chemistry and rheology, has highlighted methods of exploiting and/or manipulating the dewatering, flow and depositional properties of tailings and backfill.

Real-time rheology measurements of polymer melts ...

Directly install the sensor to your process stream to do real time viscosity and density measurements. No bypass line is required: the sensor can be immersed in-line, flow rate and vibrations do not affect the measurement stability and accuracy. Optimize decision making process by providing repeated, consecutive, and consistent tests on the fluid.

Granular flows in rotating drums: A rheological ...

Jun 01, 2016· A review of granular flow in rotating drums, with a specific focus on the underlying rheology, is presented. The rich coexistence of flow regimes in tumbling mills – the industrial application of rotating drums – highlight the difficulty in obtaining key flow field measurements like velocity and volume concentration distributions, with non-invasive techniques proving the most useful.

Influence of time and temperature on rheology and flow ...

Jan 20, 2020· The Cemented Paste Backfill (CPB) technology can provide effective solutions to mining-related environmental and safety problems, and access to achievement of green mining and deep mining. Rheological properties of paste are important factors that affecting the flow characteristics and pipeline resistance calculation.

Rheology and Slurry Flow | SGS Pakistan

Process rheology and deposit mapping allow for the blending of ore, hence creating the pre-requisites for low cost slurry flow optimization throughout the plant Product characterization – effective rheology testing provides you with correct mass balances, accurate process design data and efficient process conditions in operation

Neil Alderman - Retired (Private Consultant, Rheology and ...

The Flow Process Research Centre [FPRC] has been developing the concept of the Balanced Beam Tube Viscometer [BBTV] for some time now, and this has proved to be a most valuable tool for both research and routine slurry characterisation. Comparing tube viscometer data with rotational viscometer data has a number of problems.