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 ...

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.

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.

Slurry reactors were developed to overcome the difficulties associated with the fixed-bed multitubular reactors. The first slurry reactor was commissioned by in 1993, with a diameter of 5 m and a height of 22 m (Figure 12-16) [48].In 1990, at Exxon, LA, a 1.2 m diameter, 21 m high slurry reactor with a production capacity of 200 bbl/day was …

When in the slurry, make metal hydride also can be more cheap.Make metal hydride under being existed by liquid carrier around, can stir slurry to improve from the metallics through heating to the heat transfer rate of the liquid carrier of surrounding, it can make described process more effectively and therefore more cheap.Use pump transmission slurry also …

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 …

The invention discloses a method for mixing slurry, which comprises the following steps: 1) firstly, adding raw materials needing to be mixed into slurry stirring device to form the slurry; 2) then, discharging the stirred slurry from the slurry stirring device through a circulation pipe and ultrasonically dispersing the slurry by an ultrasonic dispersion …

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 …

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 ...

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 …

The present invention has been conceived to solve the above contradictory problems. It is an object of the present invention to stir and mix the entire yeast slurry within the stirred tank in a short period of time without causing poor mixing of the yeast slurry or a non-Newtonian fluid, as well as protect yeast from damages and hence prevent the …

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 ...

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 ...

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 …

Polyethylene by a Slurry Process Using Stirred-Tank Reactors. The design of the proc- ess is based on patents assigned to Asahi Chemical and Dow Chemical with polymeri- zation …

The utility model relates to a slurry-stirring and sand-spraying combined machine comprising a traction host, a chassis, a sand-spraying component and a slurry-stirring part, wherein the sand-spraying part consists of a hopper, a discharge roller, a sand discharge amount regulation and control device and a chain transmission system; the slurry …

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 slurry tank to the housing side walls toward the bottom of the stirred slurry tank gun, and the horizontal centerline of the slurry was stirred tank lance comprises at least two first …

Question: Steam at Ty A slurry is being heated by pumping it through a well stirred heating tank as shown in the figure. The inlet temperature of the slurry T; and the temperature of the outer surface of the steam coil is Ts. In addition: slurry in V: Volume of the slurry in the tank P: Density of the slurry Mass flow rate of the slurry through the tank Cp: Heat

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 ...

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 viscosity of the slurry stirred in the above steps is subjected to a viscosity test, and the test result is 5332 MPa·S, which is an ultra-normal range value, 5% of the total amount of the solvent is added, and the dispersion is stirred for 30 minutes, and at the time of 15 minutes and 30 minutes. ...

The stirred slurry electrochemical reactor (SSER) configuration enables ECH operation at high current densities (> |100 mA cm-2|) and efficiencies (>50%) due to the improved mass, heat, and electron transfers between the reacting molecules and catalyst particles. Different catholyte-anolyte pair effects were investigated under potentiostatic and

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 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 …

As nouns the difference between slurry and stir is that slurry is any flowable suspension of small particles in liquid while stir is scorpion. As a verb slurry is to make a slurry (of …

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 …

Measure the all-purpose flour and add it to a small mixing bowl. Use a ladle or large spoon to add about 1 cup of hot cooking broth to the bowl with the flour. Immediately stir the mixture with a whisk until it is …

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.

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