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Design of counter current decantation in copper …

The counter current decantation had been used since 90 years ago in the hydrometallurgical plant. It is currently adopted by all new hydrometallurgical plants located in the Katanga Province of the Democratic Republic of Congo (Ruashi Mining, Mumi Mining etc.) since it is applicable to all products; but its malfunction can limit the production of the plant.

Counter Current Decantation - FL

Counter-current decantation (CCD) and counter-current washing (CCW) circuits can be significantly more efficient and cost-effective with the right technology and process optimisation. We have over 130 years of experience providing solutions for liquid-solid separation. Here's how we can help: There are multiple steps of the CCD circuit that ...

Counter Thickener manufacturers & suppliers

Chemicals are used in daily life. Counter Thickener and Textile Thickener, Printing Thickener, Thickener Sodium Alginate products are commonly for chemical use. A few examples, de

Design and Operation of the Kupol Project Counter …

Abstract: Kinross Gold's Kupol Mine elected to use deep cone thickeners for their counter-current decantation (CCD) circuit as well as the grind thickener. Deep cone thickeners are commonly used for CCD circuits in the alumina industry, but this is the first application of that technology outside of alumina.

current decantation thickener Archives - International Mining

Outotec's scope covers the design and delivery of an AG mill, counter current decantation thickener and a tailings filter for San Dimas, and thickeners and a tailings filter for Santa Elena. The deliveries are expected to take place in 2020 and 2021, it said. Outotec previously delivered HIGmill® high-intensity grinding mills to First ...

High Compression Thickener - Outotec

Counter Current Decantation (CCD) Pre and post-leaching duties; Mineral sands slimes; Clay duties; Vane Feedwell™ Feedwells are a significant factor in thickener performance. The cutting-edge design of the Outotec Vane Feedwell marks the first major innovation in the thickening and clarifying industry since the early 1990s.

Thickener, Filter press, Hyperbaric disc filter

ANDRITZ thickening and clarification solutions are designed to achieve the highest production rates without compromising efficiency. For all counter-current decantation (CCD) plants, the new and improved ANDRITZ inter-stage mixing and dilution system for CCD circuits helps to reduce the footprint and consequently cut CAPEX while maintaining low operating costs.

counter current decantation arrangement - Uszczyk

Counter Current Decantation Design Formula. · The principle of Counter Current Decantation is simply that, when water or solution is to act upon solids, both are made to pass, in contact, in opposite directions, so that at each end the strongest or most potent portion of either is acting upon the weakest or most exhausted portion of the other.

Major Mines & Projects | Mutanda Mine

The slurry from the final leach tank will be washed, with cobalt effluent solution topped up with return dam solution, and then thickened in a series of five counter current decantation CCD thickeners. Alternate wash water will be sourced in order of preference from process water, raw water or raffinate.

High Rate Thickener - Outotec

Counter Current Decantation circuits (CCD) Pre and post-leaching duties; Mineral sands slimes; Metal precipitates; Vane Feedwell™ Feedwells are a significant factor in thickener performance. The cutting-edge design of the Vane Feedwell™ marks the first major innovation in the thickening and clarifying industry since the early 1990s.

Thickener, Dorr - Big Chemical Encyclopedia

Continuous Counter-current Decantation.—This system is being quite generally used in the chemical world to replace the older intermittent agitation and decantation washing systems as well as more modern filter installations. It has as its basis the application of the Dorr thickener to remove suspended solids contin-...

What is counter current decantation?

Counter Current Decantation (CCD) thickener circuits are used to recover soluble metal as pregnant liquor solution from ore leach residue. The basis of CCD operation is to concentrate suspended solids thereby minimizing liquor content in underflow slurry that flow in one direction.

High-rate Thickener for Counter Current Decantation …

High-rate Thickener for Counter Current Decantation Circuit (CCD Process) Working Principle Generally this type thickener has double or triple thickening chambers arranged vertically, it seems like that two or three thickeners are piled together.

Design of Counter-Current-Decantation in Copper …

The counter current decantation had been used since 90 years ago in the hydrometallurgical plant. ... thickener is illustrated through two examples using the …

thickeners & clarifiers - MIP Process Corp

• Counter Current Decantation (C.C.D) • Clarification of Pregnant Liquor Solutions (P.L.S.) • Water Treatment Applications • Liquor Applications in the Pulp & Paper Industry • Chemical Processing • Neutralisation of Acid Mine Water tHiCkener & ClariFier types and siZes The following types are available:

Design and Operation of the Kupol Project Counter …

Kinross Gold's Kupol Mine elected to use deep cone thickeners for their counter-current decantation (CCD) circuit as well as the grind thickener. Deep cone thickeners are commonly used for CCD circuits in the alumina industry, but this is the first application of that technology outside of alumina. The project started

Counter Current Decantation

Counter current decantation (CCD) with thickeners is one of the methods generally used. The process engineer needs a quick and accurate CCD calculation method. Several theoretical CCD calculation methods are available in the literature . The unit of the following defined letters is a rate.

Outotec Thickening technologies - Environmental …

tailings dam capacity, counter-current decantation, increasing filter capacity and improving recovery of process water or chemicals. Outotec® Paste Thickeners n Outotec Vane Feedwell™ n Controlled solids inventory n High throughput per unit area n Free standing or on-ground tanks n High rake torque capacity n Extended high compression zone

Counter Current Decantation Design Formula

The principle of Counter Current Decantation is simply that, when water or solution is to act upon solids, both are made to pass, in contact, in …

Thickener - EKCP

Counter Current Decantation; Paste Backfill; Chemical / Industrial; Refineries; Smelters; Cement Industry; Gas cleaning plant; Steel melt shop; Water Treatment and Waste Water. Sewage Treatment; De-salination; Water purification; THICKENER TANK. EIMCO KCP Thickener tanks are constructed either from bolted / steel welded or concrete. Most of the ...

Solid – Liquid Separation – Thickening - ScienceDirect

In such cases, the sludge is washed continuously by counter current decantation, where the underflow from a thickener/clarifier is pumped to the next thickener/clarifier (connected in series) forming the feed to the second tank. A typical set-up is illustrated in Figure 14.26 consisting of three units of thickeners/clarifiers.

The High Rate Thickener - Solid Liquid Separation

Description. The High-Rate thickeners became popular in the mid 1980's and are relatively newcomers to the sedimentation line of equipment. As already discussed previously Thickeners are a major component in a plant …

counter current decantation emas | ardra.biz

Sesudah proses pelindian dilakukan proses pemisahan solid-liquid dengan cara counter current decantation (CCD) dalam sejumlah thickener dan filtrasi dengan menggunakan press filter. Tahapan berikutnya adalah proses deaerasi, atau pengurangan kandungan oksigen.

counter-current decantation thickeners Archives ...

This differentiator has enhanced FL's acknowledged leadership in thickener technology in the region. The company will deliver 25 new thickeners, including high rate, high density and counter-current decantation thickeners, in southern and central Africa this year. "The design work for these contracts was conducted by FL's ...

Bauxite residue issues: I. Current management, disposal ...

The right arrows for the counter-current wash train (e.g. 1–5) indicate the flow of wash water opposite to the flow of residue. The final residue preparation stage may be a deep cone type thickener (5), superthickener (e.g. 6) or a filter. Some refineries practice a variety of pre-disposal neutralization amendments.

SOLUBLE METAL RECOVERY IMPROVEMENT USING …

3 Counter Current Decantation (CCD) Simulations Data from laboratory thickener simulations was used to simulate various CCD design options. The CCD circuit design for Ruashi is shown in Figure 6 below. The CCD simulations calculate soluble metal recoveries for changes in the most important variables affecting CCD wash recovery which include: