WesTech - HiFlo™ High-Rate Thickener
From Thickeners
WesTech HiFlo™ high-rate thickeners are used in many types of process circuits to separate liquids and solids at very high rates. They are highly effective in coal refuse thickening, gold recovery, CCD circuits, copper leaching, molybdenum processing and other mining and chemical flowsheets. Separation is effected rapidly because of the system hydraulics, which can be in excess of twenty times the hydraulics of conventional thickeners.
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As a result of the innovative design and associate...
As a result of the innovative design and associated hydraulic efficiency, the plant area for the HiFlo high-rate thickener is greatly reduced, even making indoor installations practical. The smaller equipment size substantially reduces capital, installation costs, and plant space when compared with conventional thickening units sized for the same production rates.
WesTech’s technical staff can assist in testing process practicality, equipment sizing, and aid in solving other problems encountered in today’s sophisticated and automated flowsheets. Pilot or laboratory size equipment is available for testing or purchase. WesTech’s design provides for deaeration of the thickener feed prior to flow into the feedwell. Proper level of the flocculation can be carefully controlled. Feedwell design enhances the separation and pulp bed interface sensors are utilized for optimum performance. WesTech drives with lifting capability and high torque capacity contribute to the machine’s superior performance.
Flocculation, pulp level, underflow density, overflow quality, torque, and rake lift position can all be easily managed. HiFlo sensor outputs are used in many installations by distributed control systems to integrate thickener control with other plant functions, resulting in improved clarification of overflow and high solids concentration of underflow.
Features:
- Robust construction
- Self-diluting feedwell
- Enhanced polymer injection systems
- Cage and shaft lifting
- Broadly adaptable to process fluctuations
Benefits:
- Optimum flocculation
- Long service life
- Higher settling rate
- Prevents mechanism damage
- High solids transport efficiency
- Small space required
- Rapid separation of high flow rates
Applications
- Grind Thickening
- Concentrate
- Tailings
- Leach thickening
- CCD Circuits
- Acid mine drainage
Applications
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Industrial solutions for pulp and paper industry - Pulp & Paper
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Mining & minerals solutions for acid mine drainage industry - Mining
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Oil sands or, more technically, bituminous sands, are a type of unconventional petroleum deposit. Oil sands represent a vast wealth of energy reserves for the world rivaling traditional sources in quality, availability and the ability to meet the world`s needs for many years into the future. The technologies for extraction of this resource are increasingly efficient, and WesTech has worked with several companies on the leading edge of these efforts and is a ready partner for new projects and plant upgrades.
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Liquid/solid separation equipment for remediation pollution treatment - Water and Wastewater
Landfills are categorized by regulations in three types: industrial, municipal, and hazardous. Individual landfills may be further differentiated by the types of waste which they accept. All landfills are required to be capped, usually occurring at the end of each day. The cap is typically 6-8” of soil. The cap reduces odor and loss due to wind. At the closing of the landfill, a permanent cap consisting of a membrane and more soil is added. Before the landfilling operation begins, an ...
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Liquid/solid separation equipment for steel and manufacturing - Metal - Steel
Coke Wastewater Treatment: Heating coal over 1100 Co in the absence of oxygen produces metallurgical coke. This process provides both heat and carbon (coke) required for iron production. During this process the volatile materials contained in the coal are driven off, leaving coke as the product. Gas produced by coking is withdrawn by means of blowers to recover energy-rich byproducts, including methane. Ammonia stills are the principal means of recovery. Recycled scrubber water is used as a coolant. Scrubber waste ...
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Liquid/solid separation equipment for coal mining and preparation - Mining - Coal Mining
Coal Preparation Circuit: Three quarters of American coal is mined east of the Mississippi River. Half of this is “prepared” coal. Coal preparation offers a number of commercial and environmental benefits. These include increased quality and commercial value of saleable coal by achieving 75-80% ash reduction and 15-80% trace element reduction. Cleaned coal reduces transportation costs as well as reduced quantities of combustion ash requiring disposal. Coal preparation can also make marginal coal ...
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Liquid/solid separation equipment for mineral processing - Mining - Minerals
Through the application of cutting-edge technologies, WesTech helps to assure that the byproducts of minerals extraction processes are made inert, reliably contained, and kept from causing environmental damage. Implementation of WesTech tailings processing technology assures that groundwater, surface waters, wildlife, and communities will be protected from tailings dam leaks and levy failures.
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Liquid/solid separation equipment for paste thickening and backfill - Water and Wastewater
Mine backfill is defined as the material used to fill the cavities (i.e., stopes) created by underground mining. Backfilling can be a means to dispose of sludge and/or tailings which may contain hazardous materials and to reduce surface environmental impacts by storing tailings underground. Alternately, backfilling with nonhazardous materials can allow for mining productivity improvements. To these materials are added a variety of fillers such as fly ash, course sand, or gravels along with a binder, such as ...
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Liquid/solid separation equipment for tailings - Mining - Minerals
The advantages of paste thickeners in tailings circuits have been well-established for most minerals. The type of paste thickener underflow generally used for surface stacking of tailings is called “thickened tailings.” Thickened tailings are a suspension of solids which are relatively non-settling and non-segregating and which have a higher concentration and viscosity than that of conventional tailings. Common applications include a thickener with underflow pumps that are typically centrifugal and ...
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