purpose of slurry thickeners

  • Thickening - Resource Book

    Unlike conventional thickeners, high rate thickeners must use flocculants. The basic design of a high rate thickener is below. High rate thickener feed wells are designed to disperse flocculants thoroughly into the feed end to admit the flocculated slurry into the settling zone of the thickener without destruction of the newly formed floccules.

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  • Difference Between Clarifier and Thickener

    The Difference Between a Clarifier and a Thickener is subtle as they will visually look the same. Fundamentally, thickeners and clarifiers are both used to settle solids which results in the separation of liquids and solids. Thickeners are used to concentrate solids, while clarifiers are used to purify liquids. A thickener will give you a high density underflow while a clarifier will not.

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  • Conventional Thickeners - Solid Liquid Separation

    Conventional Thickeners are generally incorporated in heavy duty applications when the underflow density is high and substantial torques are required to convey the settled solids from the periphery to the central outlet for pumping away. ... 90% to cut-out the power supply and close the slurry feed; ... The purpose of the feedwell is to dampen ...

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  • Quick Tip: How to Make and Use a Slurry to Thicken Soup ...

    5/1/2009  Most of the time, we think of thickening soups and sauces with a roux, which is a mix of flour and fat added at toward the start of cooking. But a slurry added toward the end of cooking is another easy way to get a thicker, more luxurious sauce without a lot of fuss!Think of a slurry as almost the opposite of a roux. A roux is cooked, uses fat, and is added at the beginning of cooking.

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  • A Statistical Model for Slurry Thickening

    the tailings stream design. Correlating slurry behavior with complex physicochemical interactions during the thickening process can achieve this purpose. 3 Data Collection Table 1 summarizes the material properties of the selected metal mine slurry provided by the Metallurgical Technologies Division of Dynatec Corporation, Canada.

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  • Slurry Thickening Dewatering

    Dewatering refuse tailings with a belt filter press has not been widely accepted by the Coal Industry. Part of the problem lies with the highly variable characteristics of the refuse solids themselves. The belt filter press, like other dewatering devices, is highly dependent on these dewatering characteristics. The purpose of this study was to examine the feasibility of using a belt filter ...

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  • Pulp, paste and putty: thickeners and flocculants for high ...

    The process of slurry thickening involves concentration by gravity settling of solid or flocculated suspended particles. The primary function of a continuous thickener is to perform this particulate concentration so that steady-state material balance is achieved in a controllable and predictable manner.

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  • Thickening Time - an overview ScienceDirect Topics

    The fluid loss and thickening time characteristics of the cement slurry is altered, either by increasing the molecular weight of the lignin by crosslinking with formaldehyde or epichlorohydrin or by adding agents such as sodium sulfite, sodium metasilicate, sodium phosphate, and sodium naphthalene sulfonate.

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  • Thickeners - Article - FineCooking

    To prevent lumps, stir the starch into a small of amount of cool water, then stir this starch slurry into the hot liquid you want to thicken. Three common thickeners: flour, cornstarch, and tapioca ... The best flour to use as a thickener is all-purpose flour because it’s higher in starch than other wheat flours.

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  • (PDF) THICKENER DESIGN, CONTROL AND DEVELOPMENT

    The purpose of this paper is to present a generalised understanding of the various inputs that combine in the design, control and operation of a modern thickener. ... slurry thickening and rheolog ...

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  • Thickeners - Solid Liquid Separation

    The high time for thickeners was in the 60's when the metallurgical industries were booming and sizes of up to 150 m diameter were constructed. Such jumbo thickeners, when centrally driven, require for most demanding applications extra heavy duty drive heads some of which reach a continuous operating torque of 3.300.000 Nm.

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  • CHAPTER 3 SLUDGE THICKENING - Marmara Üniversitesi

    CHAPTER 3 SLUDGE THICKENING Thickening is a procedure used to increase the solids content of sludge by removing a portion of the liquid fraction. To illustrate, if waste activated sludge, which is typically pumped from secondary tanks with a content of 0.8% solids, can be thickened to a content

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  • Visual Encyclopedia of Chemical Engineering

    Thickeners and clarifiers use slowly rotating rake arms to separate solid particulate. A liquid feed with suspended solids is fed into a tank with a diameter of 5 to 500 feet. As the particles settle, angled rake arms move the concentrated slurry toward the center of the tank, where it is removed.

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  • How do I thicken gravy without flour? AnswersDrive

    As with using cornstarch or flour to thicken gravy, make a slurry with your arrowroot powder by mixing 2 to 3 tablespoons with an equal amount of water. Add to 1 cup hot liquid with a whisk or wooden spoon, stirring until incorporated and the gravy thickens.

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  • tailings disposal

    Thickeners are utilised in coal washing for the purpose of solid / liquid separation (dewatering). Thickeners separate an incoming feed slurry (i.e. water with solid particles of either product or tailings material) into two distinct streams; one consisting of clarified water (overflow) and the

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  • Can you use plain flour to thicken soup? AnswersDrive

    The easiest way to thicken a sauce with plain flour is to make a flour slurry. Simply mix equal parts of flour and cold water in a cup and when smooth, stir in to the sauce. Bring the contents to a simmer for 5 minutes to cook away the raw flour taste.

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  • ~ How to: Make a Roux Slurry (to Thicken Liquids ...

    At some point in time, cooks of all levels of expertise encounter a hot food, usually a liquid, that needs to be thickened. Whether it's a soup, a stew, a sauce or a gravy (sometimes even a pudding or pie filling), knowing or not knowing how to do this can and will make or break an otherwise great recipe. This fundamental (and easy) task is one I always try to teach in my cooking classes.

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  • How to Thicken a Sauce With Cornstarch

    Cornstarch is a common thickening agent in the culinary arts, but if you add it directly to the liquid you want to thicken, it will clump up. To thicken a sauce or soup with cornstarch, you first need to make a slurry, which is a mixture of equal parts cornstarch and liquid (usually water, stock or wine).

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  • DEBOTTLENECKING OF THICKENERS IN A CHANGING ENVIRONMENT

    DEBOTTLENECKING OF THICKENERS IN A CHANGING ENVIRONMENT Abstract Thickeners are utilized in mineral processing for the purpose of solid-liquid separation (dewatering). Thickeners separate an incoming feed slurry (i.e. water with solid particles of either product or tailings material) into two distinct streams; one

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  • Filtered, Paste and Thickened Tailings - Paterson Cooke

    Paterson Cooke is committed to sharing our specialist knowledge and skills by hosting courses that aim to equip participants with a broad understanding of the practical and theoretical issues of our key areas of expertise. We regularly present courses on slurry pipelines, thickening, mine tailings and backfill. Filtered, Paste and Thickened Tailings Course Dates []

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  • Cornstarch vs Flour vs Arrowroot—When to Use Which ...

    All-purpose flour is a traditional thickener in classic French cuisine. ... To avoid creating a clumpy situation, first make a slurry by combining equal parts cold liquid with the cornstarch. Add the slurry to a hot, simmering sauce and cook briefly to activate the thickening power. If it’s cooked for too long it will break down, causing your ...

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  • Gravity Sludge Thickening Tanks for slurry dewatering LZZG

    Working principle . Deep cone thickener is a machine that based on gravity and sedimentation which makes solid-liquid separate from each other.The concentration of pulp waste water could be enhanced from 2%~ 15% to 60% ~ 70% by the machine, the clear water is overflow from the upper part of the thickener , so as to achieve the purpose of sewage purification and solid-liquid separation.

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  • A description of the sedimentation process during dynamic ...

    A description of the sedimentation process during dynamic thickener operation A.J. Vietti and F. Dunn 6 Paste 2014, Vancouver, Canada compressive yield stress forces of the mud bed. At this time the maximum underflow solids concentration of the slurry at the base of the tank is attained.

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  • Thickening agent - Wikipedia

    A thickening agent or thickener is a substance which can increase the viscosity of a liquid without substantially changing its other properties. Edible thickeners are commonly used to thicken sauces, soups, and puddings without altering their taste; thickeners are also used in

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  • slurry processes thickening tank - Products - Kefid Machinery

    slurry processes thickening tank. 250tph river stone crushing line in Chile. 200tph granite crushing line in Cameroon. 250tph limestone crushing line in Kenya. 250tph granite crushing line in South Africa. Kefid 120tph granite crushing line in Zimbabwe. 400tph crushing plant in Guinea.

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  • What are the function of cement slurry - Answers

    The purpose of a cement slurry is twofold! (1) Reintroduce the high alkali content of Portland Cement to a host surface, and more importantly (2) Saturate the existing host surface with a high ...

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