method of activating bentonite clays

US3240616A - Method of activating bentonite clays -

US3240616A - Method of activating bentonite clays - Google Patents Method of activating bentonite clays Download PDF Info Publication number ... bentonite activation activator Prior art date 1962-08-27 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no ...

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method of activating bentonite clays

method of activating bentonite clays SURFACE ACTIVATION OF FULLER'S EARTH (BENTONITE CLAY Feb 28, 2015 Clay is treated with all of these four acids and the acid which generates more active sites in clay is the best recommended acid for activation.

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Method of activation of bentonite clay -

The invention relates to a method of activating smectitic clays and activated smectite clay obtained by this method The method of obtaining powder of bentonite // 2101258 The invention relates to the technology of powdered bentonite used in mechanical engineering, drilling industry, the

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method of activating bentonite clays -

Patent US3779782 - Bentonite binder composition - Google Patents. A bentonite binder composition and method of preparation is disclosed. ... Aug 27, 1962, Mar 15, 1966, Paczek Helena, Method of activating bentonite clays...

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(PDF) Effects of Bentonite Activation Methods on

In order to enhance the chitosan loading, we tested activating bentonite clay by three methods prior to chitosan loading: sulfuric acid, calcination, and microwave treatments.

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Activation of clay - STANDARD OIL DEV CO

The method of activating bentonite clays which comprises treating said clays for a substantial period of time with an inorganic acid of the group consisting of sulfuric acid and hydrochloric acid and in an amount effective to activate said clays, said treatment being carried out in the presence of a reducing atmosphere of the group consisting ...

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Method for activation of bentonites - AZRAD (WEISZ);

I claim 1. A method for the activation of bentonite which comprises treating the bentonite with 0.25-10% by weight of bentonite of an organic polymer and an aqueous alkaline solution, both known, the improvement being the incorporation into the treated bentonite of an amount of 0.01-10% by weight from the pretreated bentonite of a heavy metal salt selected from salts of Fe, Ni, Zn, Co, Cr and ...

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equipment used in bentonite activation process

Patent US3240616 - Method of activating bentonite clays - Google ... United States Patent 3,240,616 METHOD OF ACTIVATING BENTONITE CLAYS Jerzy ... Clays of the above indicated type are used in the foundry industry as ... of installing expensive mixing equipment such as disintegrators, edge runners, ...

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US5573583A - Method of activation of clay and

A method for activating smectite clays to give swelling power and/or dispersibility in an aqueous electrolyte solution and resulting activated smectite clays are disclosed, the method comprising previously adding an adequate amount of an aprotic polar solvent having a higher relative permittivity than those of alcohols (e.g., N,N-dimethylformamide, N,N-dimethylacetamide, ethylene carbonate ...

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bentonite activation methods for iron ore pelletization ...

BENTONITE BINDER COMPOSITION – Free Patents Online. 18 Dec 1973 The binder composition is particularly useful for pelletizing iron ore fines. 3240616, Method of activating bentonite clays, March 1966 »More detailed

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Equipment Used In Bentonite Activation Process

2021-3-3  Method For Activation Of Bentonites Azrad Weisz Anat. method for the activation of bentonite according to claim wherein the amount of alkali is in the range of 0.0% by weight of the bentonite-organic polymer mass or bentonite. method for the activation of bentonite according to claim wherein the heavy metal salt is added as an aqueous solution.

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Characterization of activated bentonite clay mineral

The presence of emerging pollutants such as hazardous chemicals, pharmaceuticals, pesticides, and endocrine-disrupting chemicals in water sources is a serious concern to the environment and human health. Thus, this study focused on exploring the interaction mechanisms between ciprofloxacin (CIP) (antibiotic) and clay (a low-cost adsorbent) during sorption process. Acid activation technique was ...

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clay activation with sulfuric acid extruder

activation method for bentonite with soda ash Mechanism of acid activation and assessment of bleaching performance of ... is usually effected by mixing sodium carbonate

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Activating natural bentonite as a cost-effective

2015-1-25  The bentonite is a widely available and abundant natural mineral, and can be a low cost adsorbent for water and wastewater treatment. This study reported here was directed towards identifying a cost-effective activation protocol for enhancing the adsorption capacity of Australian bentonite for removal of toxic contaminants in wastewater.

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bentonite activation methods for iron ore pelletization ...

BENTONITE BINDER COMPOSITION – Free Patents Online. 18 Dec 1973 The binder composition is particularly useful for pelletizing iron ore fines. 3240616, Method of activating bentonite clays, March 1966 »More detailed

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ADSORPTION OF AMMONIA BY BASE ACTIVATED

By activating the adsorbent in a 1 M NaOH solution, the adsorption ability of the bentonite clay towards ammonium ions is improved. The results of this study show that the base activated bentonite clay is a potential adsorbent material for ammonia, i.e. ammonium ions.

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Activation of (Na, Ca)-bentonites with soda and MgO

In this paper, a new method is introduced to produce sodium bentonite by treating calcium bentonite using seawater to eliminate the use of fresh water and reduces the amount of soda ash required ...

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Bentonite - an overview ScienceDirect Topics

Activated calcium bentonite is the most widely used bentonite in winemaking as it has a high swelling index and a pH of between 9 and 10. It also has a high proportion of exchangeable sodium and calcium. It is obtained by activating natural calcium bentonite with sodium carbonate, and then drying and grinding the resulting mixture.

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Activated Bleaching Clay

2021-5-3  The activity level attainable depends upon the concentration of the montmorillonite. A high activity clay cannot be obtained by acid activation of bentonite containing a low percentage of montmorillonite. Removal of inert impurities from bentonite to effect concentration of montmorillonite is a method for improving the activity of bleaching clays.

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Bentonite Testing – RJ Lee Group, Inc. (RJLG)

Bentonite is a generic name describing the various clays formed from the weathering of volcanic ash, but it is mostly composed of the mineral montmorillonite, which is often included in drilling fluids (and other products) to cool and lubricate the drill bit. Montmorillonite

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Equipment Used In Bentonite Activation Process

2021-3-3  Method For Activation Of Bentonites Azrad Weisz Anat. method for the activation of bentonite according to claim wherein the amount of alkali is in the range of 0.0% by weight of the bentonite-organic polymer mass or bentonite. method for the activation of bentonite according to claim wherein the heavy metal salt is added as an aqueous solution.

More

Characterization of activated bentonite clay mineral

The presence of emerging pollutants such as hazardous chemicals, pharmaceuticals, pesticides, and endocrine-disrupting chemicals in water sources is a serious concern to the environment and human health. Thus, this study focused on exploring the interaction mechanisms between ciprofloxacin (CIP) (antibiotic) and clay (a low-cost adsorbent) during sorption process. Acid activation technique was ...

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how to do soda activation in bentonite

Method of activation of bentonite clay - russianpatents. how to activate bentonite with soda ash. Soda Ash Halliburton. bentonite or polymer to the fluid system Packaging Soda Ash is packaged in 50-lb 22 7 kg or 100-lb 45 4 kg multiwall paper bags activation of magnesium bentonite with soda ash .

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clay activation with sulfuric acid extruder

activation method for bentonite with soda ash Mechanism of acid activation and assessment of bleaching performance of ... is usually effected by mixing sodium carbonate

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Activation of Jordanian Bentonite by Hydrochloric

3.1.4. Determination of BET Surface Area. The surface area of bentonite shows a significant increase with activation by acid. Measured values are 66.2 and 287.8 m 2 g −1 for raw and activated bentonite, respectively. Since this increase is a result of removing impurities, replacement of exchangeable cations, such as K +, Na +, and Ca 2+, with H + ions, and leaching out A1 3+, Fe 3+, and Mg 2 ...

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ADSORPTION OF AMMONIA BY BASE ACTIVATED

By activating the adsorbent in a 1 M NaOH solution, the adsorption ability of the bentonite clay towards ammonium ions is improved. The results of this study show that the base activated bentonite clay is a potential adsorbent material for ammonia, i.e. ammonium ions.

More

bentonite activation methods for iron ore pelletization ...

BENTONITE BINDER COMPOSITION – Free Patents Online. 18 Dec 1973 The binder composition is particularly useful for pelletizing iron ore fines. 3240616, Method of activating bentonite clays, March 1966 »More detailed

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PREPARING POLYESTER– BENTONITE CLAY NANO

2018-12-9  Keyword: bentonite, polymer composite, activating, polyester polymer, clays 1. INTRODUCTION Composite materials were created as a result of an intensive search for materials which offer high reinforcement levels, with good mechanical properties and light weight[1]. Polymer composites can be classified as macro-composites, micro-composites and

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Activation of (Na, Ca)-bentonites with soda and MgO

In this paper, a new method is introduced to produce sodium bentonite by treating calcium bentonite using seawater to eliminate the use of fresh water and reduces the amount of soda ash required ...

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Bentonites - paper tech - product - ACAT

Use of bentonite in bleaching clays For refining of edible and mineral oils, fats and waxes, acid-activated bentonites (so-called bleaching clays) with a specific surface 200-400 m \ g are used. By removing unwanted accompanying substances such as dyes and oxidation products besides brightening also taste stabilization is achieved.

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