Thickeners: How they Operate. The most common solids-liquid (S/L) unit operation is thickening. A wide variety of thickeners are used including conventional, deep well, paste, high rate and clarifiers which is a thickener subclass used for removing solids from turbid or very low % solids waters. Thickeners are mechanically continuous …

This work presents an expert system for an industrial thickener. Main results are a reduction in flocculants consumption and a more stable operation, with few emergency conditions.

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.

Thickeners — or Clarifiers, depending on the application — can be used to recover immediately reusable process water, as well as extract fines and other materials. Thickeners are used by mineral and aggregate …

Thickening process control is the control strategy and control method to ensure and improve the solid-liquid separation index of the thickener on the premise of …

The thickening process is the primary method of producing high solids slurries for the minerals industry. Thickener outputs can accommodate a range of tailings disposal options from low yield ...

Thickeners are a type of industrial equipment used for separating solids from liquid in a wide range of applications, such as densifying product for efficient processing, countercurrent decantation (CCD) washing, clarifying wastewater streams, and tailings management in mining and aggregate processing applications. Depending on the …

In the mining industry, thickeners are used to increase density of slurries by removing water. When a thickener is in operation, the underflow slurry density should follow a given setpoint and stay inside a boundary layer. In general, thickeners are manually controlled. However, industrial experience has shown that manual control is not sufficient. For this …

Experimental determination of thickening parameters and instruments for their determination are presented. Old and new methods for thickening design are reviewed and software for the design and simulation of batch and continuous thickening are presented. Finally, strategies for the operation and control of industrial thickening …

Cornstarch. Cornstarch is the most common thickening agent used in the industry. It is mixed with water or juice and boiled to make fillings and to give a glossy semi-clear finish to products. Commercial cornstarch is made by soaking maize in water containing sulphur dioxide. The soaking softens the corn and the sulphur dioxide prevents ...

Download Citation | On Jan 1, 2024, Ridouane Oulhiq and others published Constrained model predictive control of an industrial high-rate thickener | Find, read and cite all the research you need ...

Running a thickener properly isn't as easy as it looks. True enough, a thickener doesn't make a racket like a ball mill, or spew out froth like a flotation …

This paper focuses on the time series prediction problem for underflow concentration of deep cone thickener. It is commonly used in the industrial sedimentation process. In this paper, we ...

How a Thickener Works. Thickening or dewatering may be defined as the removal of a portion of the liquid from a pulp or slime …

Gravity belt thickening (GBT) increases the sludge solids concentration (i.e. thickens the sludge) by allowing the water (or filtrate) to drain from the sludge under gravity through a permeable medium (a moving belt) on which the sludge sits. There are two types of belt-based processes for increasing sludge solids concentration.

Monroe Environmental designs and manufactures primary and secondary circular clarifiers for industrial and municipal wastewater treatment, as well as flocculating clarifiers and solids contact clarifiers for clean water or …

In very simple words, a thickener is a machine that separates liquid from solids. It is defined as a method of continuous dewatering of a dilute pulp, wherein a …

Modeling industrial thickener using computational fluid dynamics (CFD), a case study: Tailing thickener in the Sarcheshmeh copper mine

Continuous sedimentation has an important role in coal preparation plants for clarifying and recycling the process water and reducing the volume of fine refuse for subsequent mechanical dewatering or disposal. The solids flux curve is used to model the process of continuous sedimentation. It is employed mainly in design calculations to determine the …

A data-driven robust model predictive control (DRMPC) method is used in this brief to control an industrial thickener. To estimate the future states of the thickener, a discrete-time linear time-invariant (LTI) model is employed using the data information from the pressure sensors installed inside the thickener. The hard constraints on the amount of …

The Gravity Belt Thickener features a large filtration area that allows for high loading rates and low polymer usage for a variety of thickening projects.

es by thickener type. Use the following pages to compare thickener types and learn more about the benefits, uses, and applic

Sedimentation, or settling, is the simplest of the thickening processes. A gravity sludge thickener has the same design features as a primary sedimentation tank used for wastewater treatment, and most often has cylindrical geometry.

A food thickener is a thickening agent that increases the viscosity of a liquid mix without interfering with its other properties. Knowing how to thicken food is essential for preparing many recipes; most sauces, gravies, soups, and …

Thickeners and Clarifiers. Clear performance. Sustainable profits. Outotec is a global leader in the design, fabrication and supply of thickening and clarifying solutions. With leading process expertise and know-how based on decades of experience, Outotec offers smart and sustainable solutions with unmatched performance when using ...

The physical processes in thickeners have proven difficult to operate despite significant theoretical and practical work over many years. In many plants thickeners operate with poor operational conditions; high use of flocculants, overflows high in fines and underflow densities that are lower than optimal.

The chapter analyzes thickening in-depth. In an extensive introduction, the history of thickening is laid out from the Stone Age to the present, emphasizing people …

Reducing the economic expenditure on electricity in the thickening–dewatering process is a viable approach to enhancing production efficiency and minimizing energy consumption. However, limited research has been conducted on co-optimization strategies for this process thus far. To address this gap and decrease the energy economic index (EEI) in …

Much as thickeners are already widely used at present, a steadily increasing number of researches are continuously studying these polymers and their unique properties. This, together with advances in mixing technology, suggests that the use and potential of thickeners in general will be even more significant in future.

Water's role either as acomponent or contaminant in industrial lubrication is complex. Water is often feared in many lube oil and grease applications,[1] [2] yet water remains an integral part of many common lubricants and coolants: metalworking fluids, fire resistant hydraulic fluids, and glycol coolants.[3] [4] These aqueous systems utilise water as a …