About Us

MINEVIK Machinery is a leading and pioneering enterprise with the most advanced international level in R&D, manufacturing and selling of large-scale crushing & screening plants and beneficiation plants.

large-scale crushing & screening plants and beneficiation plants.

All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification.

  • In central China-Zhengzhou, covering 140 thousand square meters
  • Win-win cooperation and create more value to customers
  • Exported large quantities and high-end mobile crushing plant and milling equipments to Russia, Kazakhstan, Indonesia, Ecuador, South Africa, Nigeria, Turkey more than 100 countries .

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Our Products

AS a leading global manufacturer of crushing and milling equipment, we offer including quarry, aggregate, grinding production and complete stone crushing plant. We also supply individual crushers and mills as well as spare parts of them.

Services

Our goal is to guarantee the excellent operation equipment with high safety for our customers and minimize the downtime of the machine by predictive maintenance. Kefid service and original accessories can be 100% trusted at the time of maintenance.

SERVICE AND SUPPORT

Minevik service and original accessories can be 100% trusted at the time of maintenance.

ACCESSORIES CENTER

striving to enable customers to get the parts in the nearest place.

SALES MARKET

Our sales market is spread all over more than 100 countries and regions

ion exchange resin gold recovery

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Gold recovery with ion exchange used resins | Request PDF

Request PDF on ResearchGate | Gold recovery with ion exchange used resins | In this paper one strong acidic, one strong basic and one weak basic ion-exchange resins, considered as exhausted in an

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gold recovery via ion exchange resins; ALTA 2017 | Ausenco

Ion exchange resins, that are semi-selective for gold, have been extensively used for gold recovery from cyanide leach processes in the former USSR. Despite forward looking statements by researchers and technology vendors, there have been very few applications in Western plants.

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Gold recovery with ion exchange used resins ScienceDirect

Jun 01, 2001· In this paper one strong acidic, one strong basic and one weak basic ion-exchange resins, considered as exhausted in an industrial demineralizing plant, are screened for gold recovery from cyanide solutions. Based on the observed ability for the recovery and on the ease of regeneration, the weak base anion exchanger Purolite A-100 is selected.

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GOLD RECOVERY FROM COPPER-RICH ORES EMPLOYING THE

Ion exchange resin vs activated carbon Activated carbon has been the preferred adsorbent for gold recovery in the Western World for the past few decades. Contrastingly, Former Soviet Union (FSU) countries have always preferred ion exchange resins, mainly employing resin-in-pulp (RIP) technology [1]. Ion exchange resins have

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Gold-Precious Metals Conference Purolite

COMPARISON OF GOLD -SELECTIVE ION EXCHANGE RESINS AND ACTIVATED CARBON FOR THE RECOVERY OF GOLD FROM COPPERGOLD LEACH LIQUORS By 1Johanna van Deventer, 2Volha Bazhko and 2Volha Yahorava 1Purolite, South Africa 2Mintek, South Africa Presenter and Corresponding Author

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Gold | Water Solutions

Dow’s anion exchange resins, such as DOWEX™ 21K XLT Resin, are commonly used in the recovery of gold from spent plating bath solutions. Generally, the loaded resin will absorb up to 60 oz of gold per cubic foot (60 g/L) and the gold is recovered by thermal decomposition (fuming).

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THE RECOVERY OF PLATINUM, PALLADIUM, AND GOLD

Ion exchange resins were investigated for the effective recovery of platinum, palladium, and gold from a pregnant cyanide heap leach solution. Screening results indicated that strong-base anion exchange resins proved to be most effective in the recovery of these metal cyanides.

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How do resins recover gold?

Jul 20, 2016· A look at how resins can be used as an alternative to carbon in the recovery of gold. We examine why they are required, how they work and what operations around the world currently use them.

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Cost-saving nanotechnology set to disrupt gold processing

Dec 21, 2016· Cost-saving nanotechnology set to disrupt gold processing industry polymer ion exchange resin can increase gold mining profits by about $100 per ounce in processing savings and extra gold

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Precious Metal Recovery ResinTech

Ion exchange resins are commonly used to remove trace levels and to concentrate precious metals. The metals are then recovered by various specialty regeneration techniques or by incinerating the resin. ResinTech makes a variety of ion exchange products that are used for precious metal recovery

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Ion Exchange Resin Chambers | SERFILCO

Precious Metal Recovery These resin systems can recover gold and other metals from plating operations easily and economically. Select the proper resin for gold recovery from acid or cyanide rinse water. Depth of resin column assures good solution contact for maximum metal recovery. Gold is recovered by incinerating the resin.

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Processing of residual gold (III) solutions via ion exchange

The ion exchange resin Lewatit MP-64 (Fluka) was used to adsorb gold (III) from hydrochloric acid solutions. Lewatit MP-64 is a macroporous medium-basic anion exchange-crosslinked polystyrene matrix resin containing tertiary and quaternary ammonium groups (Cl- form-free base). Prior to its use for gold adsorption, the resin was dry until

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Recovery of gold from chloride solution with ion exchange

TY GEN. T1 Recovery of gold from chloride solution with ion exchange resins. AU Hiskey, J Brent. AU Jiang, X. H. PY 1990. Y1 1990. N2 The extraction of gold from chloride solutions by ion exchange is examined.

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US5134169A Gold selective ion exchange resins Google

A gold selective ion exchange resin and process for the recovery of gold from solutions thereof is described. The resin has a macroporous structure and functional groups selected from alkylamine groups wherein the alkyl chain has between 3 and 6 carbon atoms, preferably tributylamine groups. The functional group content of the resin is from 0,4 mmol/g to 1,8 mmol/g and the water retention

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Recovery of gold with ion exchange resin from leaching

The anion is so formed is eluted because it is repelled by the resin's anion exchange group R-SO3". Such a ligand exchange Recovery of gold with ion exchange resin 1397 reaction occurs because the overall formation constant (log 13) is higher for AuS203" (=26) than for Au(TU):,(=21.95).

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Ion-exchange resin Wikipedia

An ion-exchange resin or ion-exchange polymer is a resin or polymer that acts as a medium for ion exchange. It is an insoluble matrix (or support structure) normally in the form of small (0.25–0.5 mm radius) microbeads, usually white or yellowish, fabricated from an organic polymer substrate.

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Ion Exchange Resins | WQP Water Treatment

Mar 28, 2007· Economic and regulatory factors make metal recovery and wastewater reuse attractive for the electroplating, semiconductor and printed circuit board industries. Cadmium, zinc, copper, chromium, mercury, lead, gold, silver and cyanide complexes of these metals are the common metals requiring control. Ion exchange

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Ion Exchange Resins for Gold Cyanide Extraction Containing

Ion exchange technology is offered as an alternative to activated carbon for gold cyanide recovery. A new type of ion‐exchange resin (PS‐PIP) incorporating a piperazine group, linked to a styrene‐divinylbenzene macroporous network, is described.

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Cost-saving nanotechnology set to disrupt gold processing

Dec 21, 2016· Cost-saving nanotechnology set to disrupt gold processing industry polymer ion exchange resin can increase gold mining profits by about $100 per ounce in processing savings and extra gold

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Ion Exchange for Recovery of Precious Metals CiteSeerX

Ion Exchange for Recovery of Precious Metals By W. H. Waitz Jr. a in this review of procedures for recovering precious metals by ion exchange, reslns are discussed and techniques for gold, sliver and the platinum-group metals are hlghilghted. A regeneratlon process invoivlng eiectrolysls of an eluate is descrlbed for silver.

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XZ-91419.00 Developmental Anion Resin

XZ 91419.00 is a large bead, developmental strong base anion resin that holds a t-butylamine functional group for the recovery of gold from cyanidation leach solutions. Packaging 5 cubic foot drums of 25 liter bags DOWEX Ion Exchange Resins For more information about DOWEX resins, call the Dow Liquid Separations business: North America: 1-800

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SELECTIVE RECOVERY OF GOLD FROM HYDROCHLORIC

Selective recovery of gold from hydrochloric solutions with amberlite XAD-7 ion-exch. resin 235 XAD-7 is characterized by weak ester groups, with a medium pore size 80 Å, a specific surface 450 m2/g , a pore volume 55% and resin particle size 20/50 mesh. Experimental tests were performed in a laboratory set up, schematically presented in Fig. 1.

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A NOVEL WEAK BASE ANION EXCHANGE RESIN WHICH IS

WEAK BASE ANION EXCHANGE RESIN 179 and the halide ion, and the extraction of the gold ion- association complex is appreciably affected because it remains as the chloroanion. Rhodium and iridium form true chloroanions extractable by the protonated resin only in highly concentrated HC1. At intermediate acid concentrations,

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Powerful Chemical Processing Tools Dow eLibrary

DOWEX Ion Exchange Resins Powerful Chemical Processing Tools Ion exchange resins have made important inroads in the field of chemical processing since the advent of the synthetic organic ion exchange resins in the 1940s. DOWEX* ion exchange resins have historically and consistently had the high physical and chemical stability

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Ion Exchange Resins for Gold Cyanide Extraction Containing

Ion exchange technology is offered as an alternative to activated carbon for gold cyanide recovery. A new type of ion‐exchange resin (PS‐PIP) incorporating a piperazine group, linked to a styrene‐divinylbenzene macroporous network, is described.

More
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Recovery of gold with ion exchange resin from leaching

Request PDF on ResearchGate | Recovery of gold with ion exchange resin from leaching solution by acidothioureation | Elemental gold present in ores is easily dissolved by leaching with a solution

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XZ-91419.00 Developmental Anion Resin

XZ 91419.00 is a large bead, developmental strong base anion resin that holds a t-butylamine functional group for the recovery of gold from cyanidation leach solutions. Packaging 5 cubic foot drums of 25 liter bags DOWEX Ion Exchange Resins For more information about DOWEX resins, call the Dow Liquid Separations business: North America: 1-800

More
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A NOVEL WEAK BASE ANION EXCHANGE RESIN WHICH IS

WEAK BASE ANION EXCHANGE RESIN 179 and the halide ion, and the extraction of the gold ion- association complex is appreciably affected because it remains as the chloroanion. Rhodium and iridium form true chloroanions extractable by the protonated resin only in highly concentrated HC1. At intermediate acid concentrations,

More
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Ion Exchange Resins SERFILCO

Products » Filtration Media » Purification Media » Ion Exchange Resins : Jump to Products. High purity water / Precious metal recovery Recirculated rinses / Waste treatment Heavy metal removal. Features MIXED BED RESIN For make-up water and recirculated rinses MB400 and MB400IND(w/indicator dye) Mixed bed resin is designed for use in a single column or multiple columns in series to provide

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What Is Ion Exchange Resin and How Does It Work?

Nov 28, 2017· How does ion exchange resin work? To fully understand how IX resins work, it is important to first understand the principles of the ion exchange reaction. Put simply, ion exchange is a reversible interchange of charged particles—or ions—with those of like charge.

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Recovering gold from plating drag-out by ion exchange or

Recovering gold from plating drag-out by ion exchange or electrolytic. What resin is best? An on-going discussion from 2000 to 2014 and beyond . . . 2000. Q. The company I work for has recently set up its first gold plating line for wire. I am currently using strong base anion resin to reclaim any gold from my rinse water after my drag out

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6.4 Ion Exchange & Precious Metals Recovery B/A PC

Start studying 6.4 Ion Exchange & Precious Metals Recovery B/A PC. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

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Powerful Chemical Processing Tools Dow eLibrary

DOWEX Ion Exchange Resins Powerful Chemical Processing Tools Ion exchange resins have made important inroads in the field of chemical processing since the advent of the synthetic organic ion exchange resins in the 1940s. DOWEX* ion exchange resins have historically and consistently had the high physical and chemical stability

More
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SELECTIVE RECOVERY OF GOLD FROM HYDROCHLORIC

Selective recovery of gold from hydrochloric solutions with amberlite XAD-7 ion-exch. resin 235 XAD-7 is characterized by weak ester groups, with a medium pore size 80 Å, a specific surface 450 m2/g , a pore volume 55% and resin particle size 20/50 mesh. Experimental tests were performed in a laboratory set up, schematically presented in Fig. 1.

More
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Balestri Technologies Precious metals recovery

Ion-exchange resin plants are used for the recovery of precious metal particles present in effluents of the aqua regia refining process. The liquid is treated within specific selective resin columns that capture precious metals (gold, silver, platinum, palladium and rhodium).

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Gold Recovery from Nickel Catalyzed Ammonium

Gold Recovery from Nickel Catalyzed Ammonium Thiosulfate Solution by Strongly Basic Anion Exchange Resin Harunobu Arima 1;*, Toyohisa Fujita2 and Wan-Tai Yen 1Department of Mining Engineering, Queen’s University, Kingston, Ontario K7L 3N6, Canada 2RACE, Department of Geosystem Engineering, The University of Tokyo, Tokyo 113-8656, Japan Copper catalyzed ammonium

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Purolite Resins Ion Exchange Resins & Cartridges

Ion exchange resins in both bead and powder form are used extensively in all types of nuclear power plants throughout the world. Ion exchange systems are the most cost effective and in some cases the only way to produce water with the quality required for proper plant operation.

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Regeneration of ion-exchange resins used for gold recovery

Ion-exchange resins are currently used at gold-plating facilities to collect gold from waste solutions. The gold-containing feed solution is passed through an anion-exchange resin column where

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