CYFLOC® | Solvay

Solvay offers CYFLOC flocculants and processing aid technology that is specially designed for the alumina industry: CYFLOC® HX family of flocculants is an emulsionbased product for use in alumina plants to settle red mud slurries.

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EFFECTS OF FLOCCULATION CONDITIONS ON THE …

The red mud is separated from the pregnant liquor, with the aid of flocculants, in a clarification vessel known as a thickener. The red mud fraction is then washed in a multistage countercurrent washing circuit to remove residual sodium hydroxide. This washing stage is performed in a series of clarification vessels known as washers, to ...

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Cytec to Share Innovations in Alumina Processing Chemical ...

November 20, 2015– Woodland Park, New Jersey Cytec Industries Inc. (CYT) will present at the International Bauxite, Alumina and Aluminium Society 2015 Symposium in Suzhou, China Nov. 25 – Nov. Dai, Cytec Business Development Director, will present New Red Mud Flocculants for High Silica Bauxites at the Symposium which will focus on the company’s new CYFLOC® Si7000 series of red ...

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RRA Red Mud Flocculants | Ecolab

Nalco’s Rigid Rod Architecture – RRATM Flocculants have been custom formulated and structured specifically for maximum efficiency and performance under highly challenging red mud conditions. | …

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Polyacrylamide Used as Setting Flocculants for The Red Mud ...

Polyacrylamide Used as Setting Flocculants for The Red Mud of Alumina The settlement and separation of red mud is an extremely complex physical and chemical process. Bayer method dissolution of pulp from the red mud is red mud and the formation of sodium aluminates solution suspension.

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Production – Red Mud Project

The next step in the process is to separate the insoluble red mud from the sodium aluminate solution. Coarse material (, beach sand) is removed in crude cyclones called sand traps. Finer residue is settled in raking thickeners with the addition of synthetic flocculants, and solids in the thickener overflow are removed by cloth filters.

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US4545902A Flocculants for bauxite (red mud) Google ...

The separation of red mud from alumina and caustic solution is generally effected by first treating the red mud suspension or slurry with chemicals to promote coagulation of solids contained therein. The initial separation is then followed by a washing step.

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THE INFLUENCE OF ADDING EMULSION FLOCCULANTS ON …

1 %, with a dosage level of kg/t red mud; the concentration of synthetic flocculants (A185 HMW) was %, with a dosage level of kg/t red mud; and the concentration of the emulsion flocculants HX 300 was % with a dosage level of kg/t red mud. The transparency of the liquid phase was determined by its content of dry particles.

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RRA Red Mud Flocculants | Ecolab

This red mud residue must be removed prior to further processing of the saturated solution to ultimately precipitate a purified alumina trihydrate product. Red mud removal requires the use of flocculants effective in bridging and entrapping fine red mud solids to …

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Red Mud Settling Flocculants

Red mud settling requires using the efficient flocculants to bridge and entrap the find red mud solids to separate the solids from liquor rapidly. The more efficient of our flocculants in this process, the lower the cost of red mud separation.

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Red Mud Flocculants Used in the Bayer Process

Flocculation and separation of red mud is an integral part of the Bayer process. Over the latter half of the 20th century, flocculant technology dramatically changed from natural starches to use ...

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Red mud flocculation Nalco Chemical Company

Feb 15, 1994· In more detail, the polyacrylic acid esters are not red mud flocculants and as such are essentially inert. However, when placed in the Bayer process liquor in the presence of red mud, the high alkalinity and the high temperatures hydrolyze the ester to form polymer acrylic acid ultimately.

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Red Mud Settling Flocculants 56471380

Red mud settling requires using the efficient flocculants to bridge and entrap the find red mud solids to separate the solids from liquor rapidly. The more efficient of our flocculants in this process, the lower the cost of red mud separation.

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RED MUD FLOCCULANTS USED IN THE BAYER PROCESS

primary settlers and red mud washer flocculants. As opposed to natural polymers, such as starch, there is a great deal of flexibility in manufacturing synthetic polymers. It is possible to customize the molecular weight, structure, and the amount and type of charge for a

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Red Mud Flocculants used in the Bayer Process Light ...

Red Mud Flocculants used in the Bayer Process. F. Ballentine. Search for more papers by this author. M. E. Lewellyn. Search for more papers by this author. S. A. Moffatt. Search for more papers by this author. F. Ballentine. Search for more papers by this author. M. E. Lewellyn.

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RRA Red Mud Flocculants | Nalco Water

This red mud residue must be removed prior to further processing of the saturated solution to ultimately precipitate a purified alumina trihydrate product. Red mud removal requires the use of flocculants effective in bridging and entrapping fine red mud solids to …

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NALCO Water Innovation Delivers Value

red mud flocculants RMT MUD WASHING red mud rheology improvement clarification aids RRA/OPTIMER red mud flocculants FilterMax red mud filtration OPTIMER/ULTRION/Core Shell flocculation SCFA scale control filtration aids process chemicals condensate treatment CGMax crystal growth modifiers oxalate stabilization FoamGuard technology for foam ...

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TechNews BASF

in mud washing circuits. EFFECTS OF CHANGING WASHER CONDITIONS For flocculants in red mud washing, the changing conditions have been challenging. The larger differences in alumina and caustic concentrations down the mud washing train have led to different flocculants being used at different parts of the washing circuit to optimize washer per

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Alumina Specialty Chemicals Alumina Processing Your Full ...

HXPAMS for red mud settling and MAX HT® for sodalite scale inhibition, which have created significant value for the industry. Today Solvay stands as the innovation leader in the industry and has a full product line of red mud flocculants, scale inhibitors, crystal growth modifiers, defoamers, dewatering aids, …

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Anionic Polyelectrolyte Accofloc A97 Substitution Red Mud ...

Anionic Polyelectrolyte Accofloc A97 Substitution Red Mud Flocculant , Find Complete Details about Anionic Polyelectrolyte Accofloc A97 Substitution Red Mud Flocculant,Accofloc A97,Red Mud Flocculant,Red Mud Flocculant from Leather Auxiliary Agents Supplier or ManufacturerYixing Bluwat Chemicals Co., Ltd.

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Red Mud Flocculants Used in the Bayer Process | SpringerLink

Discussion of flocculants is based on inventions in the published literature that have gained widespread use throughout the industry and will included the benefits/advantages of different flocculant technology for settling red mud.

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HISTORY OF SYNTHETIC FLOCCULANTS eprintsNML

Importance of synthetic flocculants in alumina industry S. K. PATNAIK, P. V. R. MURTHY and P. VIDYASAGAR National Alurniniunn Company Ltd. Dcunanjodi, India ... Hydroxamate polymers are the most widely used red mud synthetic tlocculants. Now the latest addition to the group is the water continuous flocculants.

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RRA Red Mud Flocculants | Nalco Water

This red mud residue must be removed prior to further processing of the saturated solution to ultimately precipitate a purified alumina trihydrate product. Red mud removal requires the use of flocculants effective in bridging and entrapping fine red mud solids to …

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Interaction forces between goethite and polymeric ...

Interaction forces between goethite and polymeric flocculants and their effect on the flocculation of fine goethite particles. ... which results in large amounts of an insoluble residue known as “red mud”. ... Lewellyn, MoffattRed mud flocculants used in the Bayer process. Light Metals (2011), pp. 107112. Google Scholar.

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THE ROLE OF chemical flocculants in the disposal of red mud

THE ROLE OF chemical flocculants in the disposal of red mud. Bremmell, Scales, Healy. Advanced Mineral Products Special Research Centre. The School of Chemistry. The University of Melbourne. Parkville, VIC 3051. ABSTRACT. Flocculants are important chemical additives in the treatment of red mud.

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Red mud carbonation using carbon dioxide: Effects of ...

These findings contribute to a better understanding of goethite particle interaction with salt ions and flocculants in controlling the particle behavior in the handling processes, including the red mud …

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Flocculants suppliers, manufacturers, exporters

CYFLOC 1200 emulsion washer flocculants are emulsionbased products used to settle mud in the red mud washing circuit of alumina refineries. These products are a combination of acrylamide and acrylate with high to medium anionicity.

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AA22 New Developments in Red Mud Flocculation and ...

New developments in red mud flocculation and control of solid/liquid separation John Kildea Director, RDE, Nalco, An Ecolab Company ... Within any settling vessel, the dispersed red mud solids settle poorly so flocculants are used.

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