Slurry electrolysis (SE) is a one-step green electrochemical technology used for the treatment of complex ores and solid waste. To explore the solid–liquid suspension characteristics of an SE stirred tank for antimony ores, a computational fluid dynamics (CFD) model was adopted using a Eulerian-Eulerian model. The kinetic theory of …
The performance of carbon-supported catalysts (Pt/C, Ru/C, Pd/C) was explored in the ECH of phenol and guaiacol in a stirred slurry electrochemical reactor where the cathode and anode compartments were separated by a Nafion® 117 membrane. Acid (H 2 SO 4) and neutral (NaCl) catholytes were used. Pt/C showed superior activity …
altering the viscosity of the slurry being ground. This may, in turn, influence the grinding by a mechanical rather than chemical effect. The objective of the present study is therefore to investigate the ultrafine grinding of dolomite in a stirred ball mill by using various chemicals to control the viscosity of the slurry
In this paper, the status of slurry phase polyethylene processes in China is briefly introduced. Two of the most important licensers of continuous stirred tank reactor …
A conventional hydrogenation process is carried out in a three-phase slurry reactor (see Fig. 6.25) in a batch stirred vessel.Gas-phase hydrogenation is generally carried out in a fixed-bed reactor containing a noble metal catalyst (see Fig. 6.26).The reaction is fast, with a small reactor size, but its short residence time gives very few byproducts (<0.1%) at …
Abstract. Solid distribution was investigated in slurries stirred by multiple axial impellers in continuous flow equipment. The solid concentration profiles are described by means of the one-dimensional sedimentation-dispersion model.
Consequently the slurry is often stirred to mix the solid and liquid components of the slurry prior to and during pumping of slurry from the pit. The customary form of slurry stirrer comprises a rotatable shaft mounted throughout its length within a fixed tubular housing, one end of the shaft being linkable to a power source such as a rotary ...
Big Chemical Encyclopedia Stirred slurry Secondary Chlorides With a low-boiling chloride such as 2-chlorobutane, a stirred slurry of 30 g (0.61 mole) of sodium cyanide in 150 ml …
The fixation of CO/sub 2/ with a lime slurry in a stirred tank reactor appears to be feasible. The rate of reaction is fast, and virtually complete removal of CO/sub 2/ can be attained. At a gas residence time of <1 min, the decontamination factor (DF) is >100 in a single stage reactor for CO/sub 2/ concentrations ranging from 5 to .
Color map of axial slip velocity for particles of (a) dp=774 µm (a) and (b) dp=115 µm. Water velocity vector plot (c). The color scale is in [m/s]. These maps have been obtained by linear interpolation of the experimental data. In order to examine the effect of liquid turbulence on the particle settling behavior, the terminal velocity of a ...
The present invention discloses a slurry stirring device, comprising: a slurry tank, a slurry having a pulp outlet tank and a supply system, characterized in that a spraying direction …
A kind of lift lithium battery electric core slurry agitation method, start the first driving motor, shaft is driven to be rotated, shaft drives stirring blade and support column to be rotated, then stirring blade can stir the slurry in horizontal direction, start the second driving motor, screw rod is driven to be rotated, screw rod drives support plate to be …
The slurry manufacturing apparatus according to the present invention is provided with a container into which the raw material of the slurry is injected, a blade which is installed inside the container and is axially connected to the rotary motor, and a discharge port for discharging the stirred slurry, and the discharge port. It characterized in that it …
Pit Stir with Cage. Made in the USA – Filter presses in all sizes and shapes ... The submersible slurry pump sits in the slurry pit where wastewater collects in the shop. It then removes the wastewater and sends it to the clarifier. Choose the specific material of construction depending on your needs, the size of your project, and the type of ...
In this paper, the status of slurry phase polyethylene processes in China is briefly introduced. Two of the most important licensers of continuous stirred tank reactor (CSTR) type slurry phase polyethylene processes, namely, Hostalen (Licensed by Basell), CX (Licensed by Mitsui), with a dual- or three-reactor are reviewed.
A membrane-assisted stirred slurry reactor is developed by equipping a membrane tube into a stirred tank. Liquid-solid flow is simulated by the Euler-Lagrange method with filtration and particle deposition models. Acceptable predictions on the cake mass and particle deposition patterns are achieved by comparing with experimental data.
Heat transfer in stirred vessels is important because process fluid temperature in the vessel is one of the most significant factors for controlling the outcome of process. In this study, the effects of some …
The dissolution of solids in slurry stirred tanks is affected from the solid concentration distribution to different extend, depending on the agitation conditions. In this work, the relationship between solid–liquid mixing and mass transfer is investigated by estimating the characteristic times of different phenomena: liquid mixing, solid ...
The invention discloses a kind of flowsheet of slurry agitation device and its stirring means, belong to field of mining equipment.The flowsheet of slurry agitation device includes flowsheet of slurry agitation slot, the first impeller for stirring ore pulp is equipped in flowsheet of slurry agitation slot, first discharge port of flowsheet of slurry agitation slot …
Methodologies are developed for studying the steady-state operation of propylene polymerization in continuous-flow stirred tank reactors (CFSTRs). The effect of several reactor operating variables and reaction variables (e.g., mean residence time, catalyst deactivation rate, multisite catalyst activity, etc.) on polymer properties is …
Abstract. Hydrogenation of o-nitroanisole to o-anisidine was investigated using Pd-C catalyst in a stirred slurry reactor. The initial rate data were analyzed to check the importance of mass ...
According to the present invention, there is provided a stirred tank for storing yeast slurry to be supplied to fermentation tanks where fermented foods such as beer are fermented, is characterized in that a stirring impeller is provided within the stirred tank and so constructed that a maximum diameter of a rotation body defined by the rotation of the stirring impeller …
The utility model relates to a slurry testing stirrer, which can stir slurry in a container body by inserting a stabilizing plate into an inserting slot to fix a stirring container on a placing table and driving a stirring paddle to rotate through a driver. Because of the existence of the stabilizing plate, the stirring container can be detached from the placing table when the …
Stirred slurry Secondary Chlorides With a low-boiling chloride such as 2-chlorobutane, a stirred slurry of 30 g (0.61 mole) of sodium cyanide in 150 ml of dimethyl sulfoxide is heated to 90° with a heating mantle, and 0.5 mole of the chloride is slowly added over a period of 30 minutes.The temperature of the refluxing reaction mixture slowly increases as nitrile is …
V = volume of the slurry in the tank p. C = density and heat capacity of the slurry w = mass rate of flow of slurry through the tank U = overall heat transfer coefficient of heating coil A = total heat transfer area of the coil Assume that the stirring is sufficiently thorough that the fluid temperature in the tank is uni form and the same as the outlet fluid temperature.
DOI: 10.1016/S1003-6326(14)63395-1 Corpus ID: 54495451; Experimental and CFD studies of solid–liquid slurry tank stirred with an improved Intermig impeller …
In response to this problem, this paper proposes a turbine-type stirred slurry pretreatment process to modify the surface of mc-Si wafers cut by diamond wire to make it suitable for the subsequent conventional wet acid texturing process. The experimental results show that the consistency of the surface structure of the mc-Si wafers can be ...
Stirred-Tank Slurry Adsorption. In the stirred tank, slurry operation, a batch of liquid is added to a powdered adsorbent (such as activated carbon) in an agitated vessel to form …
