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Shanghai SKM Mining Engineering Machinery Co., Ltd. is a company integrating advanced technology and R&D. We have always focused on the research, development and production of industrial crushing, milling equipment and other related auxiliary equipment. Our products have been exported to more than 120 countries and regions such as Southeast Asia, Eastern Europe, South America, Middle East and Africa. In the future development, we will open up a wider overseas market.

We always take the "high-tech and high-quality pursuit of SKM mode" as the solid concept of enterprise management. Through the continuous introduction of leading-level crushing and grinding technology, advanced management and management concepts and good quality control system, as well as our innovation and efforts, our company has established a good reputation among our customers.

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Anionic polyacrylamide used for Copper processing, China ...

Anionic polyacrylamide used for Copper processing. 1. Product characteristics of anionic polyacrylamide. The ore is crushed and ground to liberate the copper-bearing mineral from the waste material or gangue.

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microbiology of oil sands tailings: past, present, future ...

Oil sands tailings harbor diverse microbes that generate greenhouse gases, biodegrade hydrocarbons, transform minerals, consolidate fine tailings in ponds and i ... trisodium citrate rather than NaOH has been used during extraction as a clay dispersant during extraction; and (v) tailings are thickened by addition of polyacrylamide before ...

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Assessment of water removal from oil sands tailings by ...

The material tested consisted of fine-grained thickened tailings generated at the Total E&P Canada (Total) 2010 Tailings Thickening Pilot. The tailings were composed of about 26% sand, 57% silt and 17% clay sized particles. The silt and sand fractions were most quartz, while the clay fraction consisted primarily of Kaolinite and Illite.

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US7585407B2

Embodiments of a method and a system for recovering energy, materials or both from asphaltene-containing tailings are disclosed. The asphaltene-containing tailings can be generated, for example, from a process for recovering hydrocarbons from oil sand. Embodiments of the method can include a flotation separation and a hydrophobic agglomeration separation.

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dispersant thickened tailings

Thickening of Mature Fine Oil Sands Tailings. Western University [email protected] Electronic Thesis and Dissertation Repository December 2014 Thickening of Mature Fine Oil Sands Tailings Shriful Islam. Live Chat; ld kg most efficient excellent thickening agent. oil modified polyamide wax dispersant thickening agent LD B Engine Oil Ashless dispersant Boronized Polyisobutylene Bis-succinimide ...

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Inorganic (only) Liquid Patents and Patent Applications ...

Inorganic (only) Liquid Patents (Class 208/391) Fouling mitigation in equipment used during hydrocarbon production. Patent number: 10196287 ... The dispersant composition can include a silt dispersant and a hydrocarbon dispersant. Generally, the silt dispersant can be a homopolymer or a copolymer of one or more monomers, and the monomers can be ...

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Effect of polyphosphate and naphthalene sulfonate ...

The rheological properties of dewatered tailings and cemented paste backfill have been measured and subsequently altered using polymeric dispersants. Polyphosphate and naphthalene sulfonate formaldehyde condensate (NSF) were selected as potential candidates to reduce the yield stress (τ B) of the two slurries.

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Assessment of water removal from oil sands tailings by ...

The material tested consisted of fine-grained thickened tailings generated at the Total E&P Canada (Total) 2010 Tailings Thickening Pilot. The tailings were composed of about 26% sand, 57% silt and 17% clay sized particles. The silt and sand fractions were most quartz, while the clay fraction consisted primarily of Kaolinite and Illite.

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Processing asphaltene-containing tailings

 · Processing asphaltene-containing tailings ... hydrophobic agglomeration agent can comprise diesel, a fuel oil, a surfactant, or a combination or derivative thereof. Dispersants and modifiers also can be added. ... the flotation apparatus that receives the asphaltene-containing tailings can be connected to a thickening apparatus configured to ...

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Flocculants and Rheology Modifiers for Paste Thickening ...

Flocculants and Rheology Modifiers for Paste Thickening and Tailings Storage Facilities. DRYFLOC Flocculants and Rheology ModiThers ... flocculant and dispersant applications. Our product development is focused on meeting the ongoing and newly developing needs of

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Anionic polyacrylamide(flocculant)for Copper--Chinafloc ...

The thickened tailings are normally further dewatered by filtration where a flocculant is added as a filtration aid. The copper laden froth (copper concentrate) is removed from the overflow by mechanical means and is then thickened and dewatered where flocculants are used to improve the sedimentation and filtration rates.

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SNF Energy Services | Mining Industry | Polymers | SNF ...

DREDGING . SNF provides customers with sound solutions for the remediation and reclamation of contaminated and non-contaminated sediments. This can take place with any waterway, or any municipal or industrial lagoon. With an extensive range of polymers, preparation and dosing equipment manufactured in-house, and a well-seasoned team of application specialists, SNF Environmental …

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Extraction of Tungsten from Scheelite Ore

The tailings from the slime tables and the hydraulic classifier slime overflow pulp must be thickened to approximately 20 to 25% solids for subsequent flotation. The underflow from the thickener is metered by a Adjustable Stroke Diaphragm Pump to the Conditioner where reagents are added.

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Our KemEcal™ dispersant product line spans a large number of acrylic–based polymers of varying molecular weights, pH, termination routes, charge densities and functionalities for desired performance characteristics. KemEguard antiscalants.

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Rheology of Slurries and Environmental Impacts in the ...

Download Citation on ResearchGate | Rheology of Slurries and Environmental Impacts in the Mining Industry | The world's resource industries are the largest producers of waste. Much of this waste ...

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NATIONAL INDUSTRIAL CHEMICALS NOTIFICATION AND …

File No: PLC/126 September 1999 NATIONAL INDUSTRIAL CHEMICALS NOTIFICATION AND ASSESSMENT SCHEME FULL PUBLIC REPORT Tersperse 2600 This Assessment has been compiled in accordance with the provisions of the Industrial Chemicals (Notification and Assessment) Act 1989 (the Act) and Regulations.This legislation is

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Effect of various treatments on consolidation of oil sands ...

Six tailings samples have been tested in this research: a typical untreated FFT and five thickened tailings (TT 1 to TT 5) that were all flocculated and thickened. Samples TT 3 and TT 4 were used to evaluate the effect of flocculent dosage, and samples TT 2 and TT 5 were subjected to freeze–thaw cycling to evaluate the effect of this treatment.

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thickener underflow mining centrifugal pump

dispersant for synthetic thickener; principle and operation of jav thickener; professional alluvial gold tilted plate thickener washing plant; norberg gold ore thickener; thickener str 3139; small thickener tanks china; pyrite thickener with central transmission; agitador thickener in indonsia; znp series disc thickener

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SNF Energy Services | Mining Industry | Polymers | SNF ...

DREDGING . SNF provides customers with sound solutions for the remediation and reclamation of contaminated and non-contaminated sediments. This can take place with any waterway, or any municipal or industrial lagoon. With an extensive range of polymers, preparation and dosing equipment manufactured in-house, and a well-seasoned team of application specialists, SNF Environmental …

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Anionic polyacrylamide(flocculant)for Copper--Chinafloc ...

The thickened tailings are normally further dewatered by filtration where a flocculant is added as a filtration aid. The copper laden froth (copper concentrate) is removed from the overflow by mechanical means and is then thickened and dewatered where flocculants are used to improve the sedimentation and filtration rates.

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iron ore tailings slurry pump

SHMP, Flocculants; Dispersants, Iron ore tailings, Hanumantha and Narasimhan, 1985. Outotec® Dry Tailings Plant. As an example from 5 % w/w solids up to around 65 to 70 % w/w solids for an iron ore tailings. The Thickened Tailings slurry is then pumped to Filter Plant in. LKAB deploys Flowrox pumps for slurry transport in tailings project

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flocculant tailings des

Tailings samples were collected at two stages in the mining operation. Sample A, which was obtained from a drop box in the tailings distribution system in September 2003, had been treated with a polymeric flocculant as part of the thickening process. Sample B was retrieved pre thickener in October 2003 and was not treated with flocculent agents.

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Thickening agent | definition of thickening agent by ...

thickening agent Any substance added to a liquid to increase its viscosity without substantially altering its other properties (e.g., taste, clarity) or its responses to chemical (e.g., altered pH) or physical conditions (e.g., low temperatures).

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Environmental rheology for waste minimisation in the ...

 · Environmental rheology for waste minimisation in the minerals industry. ... For thickened tailings disposal, dry stacking and paste fill, the rheology must be well understood to ensure maximum efficiency of the entire disposal operation. ... the concentration of dissolved salts or by the type and concentration of flocculant or dispersant ...

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Oil & Gas | SNF Group

Tailings Management. Tailings are made up of natural materials including water, fine silts, left-over bitumen, salts and soluble organic compounds. They also include solvents that are added to bitumen during the separation process. Bitumen is derived from the oilsands deposits by open-pit mining and water based extraction techniques.

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Tailings.info Thickened Tailings Storage

 · Mine tailings disposal, and its impact on water usage, is an important concern for any mining company. The challenge today, whether extracting aluminum, zinc, gold or iron ore, is how to dispose of tailings material such that it is contained and …

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PASTE AND THICKENED TAILINGS

their plants and tailings storages from conventional to thickened technology. The reason for this is the increase in the mass of tailings that can be accommodated on a given footprint and, more importantly, the greater volume of water that can be REGISTRATION BROCHURE recovered for re-use in the plant in arid areas. PASTE AND THICKENED TAILINGS

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MINING SOLUTIONS | Product Categories | Catalyst LLC ...

CT FCL 301 is a very high molecular weight, slightly anionic polyacrylamide flocculant. It has wide variety of mineral processing operations as mentioned below: Dewatering, Potash slimes clarification, Acid leach (zinc), Acid leach CCD (copper), Acid leach CCD (uranium), Iron ore tailings clarification, Thickening of coal tailings, Base metal concentrates thickenings Filtration, etc.

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Mining Solutions – Litmus International

CT FCL 301 is a very high molecular weight, slightly anionic polyacrylamide flocculant. It has wide variety of mineral processing operations as mentioned below: Dewatering, Potash slimes clarification, Acid leach (zinc), Acid leach CCD (copper), Acid leach CCD (uranium), Iron ore tailings clarification, Thickening of coal tailings, Base metal concentrates thickenings Filtration, etc

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advantage and disadvantage of thickening agents

Paste Tailings, Thickened Tailings, and Filtered Tailings Paste and . Thickening and filtration including a detailed description of the thickeners and filtration equipment you may have to evaluate. Reclamation including these lists of advantages and disadvantages of thickened tailings deposits vis a vis longterm reclamation: Advantages: Early ...

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