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method of activating bentonite clays

US3240616A Method of activating bentonite clays Google

Method of activating bentonite clays Download PDF Info Prior art keywords clay solution 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 representation as to the accuracy of the status listed.)

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Method of activation of bentonite clay

Method of activation of bentonite clay, comprising mixing the crushed wet bentonite clay with sodium reagent activator, heating the mixture up to 40-75 o, Characterized in that the mixing bentonite clay is carried out at a moisture content of clay equal to 20-45%, and heating the obtained mixture is performed with simultaneous governanee mixture.

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US5573583A Method of activation of clay and activated

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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method of activating bentonite clays

what is wet activation when mixing bentonite . method of activating bentonite clays. activation method for bentonite with soda ash. A bentonite binder composition and method of preparation is disclosed In the method of the invention, soda ash having a density of about 40 to about 75 Aug 27, 1962, Mar 15, 1966, Paczek Helena, Method of activating bentonite clays Contact Supplier; Read

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Activation Of Bentonite Clay Using Sulphuric Accid

The effect of sulphuric acid activation on the . The XRD powder-patterns for some representative bentonites, natural and acid-activated, are given in Fig. 1.The bentonite investigated displays peaks belonging to the clay mineral smectite (with a d 0 0 1 value of 1.49 nm), and non-clay minerals, quartz, opal, and feldspar.

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activated fuller’s earth (Bentonite Clay)

alternative method for activation procedure of bentonite clay and this method should be the safest method for both the labor and equipment used in vegetable oil industry. So safety is the major motivation for this research. Some organic acids showed good and compatible results as compared to

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Optimization of Acid Activation Conditions for Athi River

effective method of improving adsorption performance of Athi River bentonite clay and the activated product is a viable alternative to imported commercial bleaching earth. Keywords: Acid activation, Bentonite clay, Oil bleaching, Adsorption isotherm I. Introduction

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how to activate bentonite clay Radical Dome

US3240616A Method of activating bentonite clays Google . 1. in a method of activating bentonite clay with an alkali activator solution, an improvement comprising applying the solution to the clay prior to mechanical ing of the same to retain the natural initial structure of the clay, the solution being applied in an amount to activate the clay, maintaining the solution in contact with the

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method of activating bentonite clays in turkey

method of activating bentonite clays in turkey; method of activating bentonite clays in turkey. US3240616A US219733A US21973362A US3240616A US 3240616 A US3240616 A US 3240616A US 219733 A US219733 A US 219733A US 21973362 A US21973362 A US 21973362A US 3240616 A US3240616 A US 3240616A Authority US United States Prior art keywords clay

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Standard Test Method for Swell Index of Clay Mineral

This test method is not applicable for clays with polymers. 1.2 It is adapted from United States Pharmacopeia (USP-NF-XVII) test method for bentonite. 1.3 Powdered clay mineral is tested after drying to constant weight at 105 ± 5 °C; granular clay mineral should be ground to 100 % passing a 150-µm (No. 100) U.S. Standard Sieve with a minimum

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activated fuller’s earth (Bentonite Clay)

alternative method for activation procedure of bentonite clay and this method should be the safest method for both the labor and equipment used in vegetable oil industry. So safety is the major motivation for this research. Some organic acids showed good and compatible results as compared to

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ALTERNATIVE METHOD OF THE ACTIVATION PROCESS FOR

A research of bentonite activation has been done in heating and non heating activation. Efforts to activate bentonite into acid clay have been done by Fabian and Griyandi ( 2005) and Figure1. Bentonite’s layer structure (Source: kunimine industries) High purity clay is not yet enough to be used as a catalyst, needs activation on its sites

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Preparation of activated bentonite and its adsorption

activity clays prepared with microwave activation, as well as the adsorption behavior of pigments from their model oil solutions at low temperature 25-45 °C. In previous studies, the common method used in preparation of activated bentonite

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bentonite wet method

Method of activation of bentonite clay. Method of activation of bentonite clay, comprising mixing the crushed wet bentonite clay with sodium reagent activator, heating the mixture up to 40-75 o, Characterized in that the mixing bentonite clay is carried out at a moisture content of clay equal to 20-45%, and heating the obtained mixture is performed with simultaneous governanee mixture.

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Method for activation of bentonites AZRAD (WEISZ); ANAT

Sep 30, 1975· 4. A method for the activation of bentonite according to claim 3 wherein the amount of alkali is in the range of 0.2-10% by weight of the bentonite-organic polymer mass or bentonite. 5. A method for the activation of bentonite according to claim 1 wherein the heavy metal salt is added as an aqueous solution. 6.

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Activation Of Bentonite Clay Using Sulphuric Accid

The effect of sulphuric acid activation on the . The XRD powder-patterns for some representative bentonites, natural and acid-activated, are given in Fig. 1.The bentonite investigated displays peaks belonging to the clay mineral smectite (with a d 0 0 1 value of 1.49 nm), and non-clay minerals, quartz, opal, and feldspar.

More

method of activating bentonite clays in turkey

method of activating bentonite clays in turkey; method of activating bentonite clays in turkey. US3240616A US219733A US21973362A US3240616A US 3240616 A US3240616 A US 3240616A US 219733 A US219733 A US 219733A US 21973362 A US21973362 A US 21973362A US 3240616 A US3240616 A US 3240616A Authority US United States Prior art keywords clay

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Chapter 7.1 Acid Activation of Clay Minerals ScienceDirect

Jan 01, 2006· One of the most common chemical modifications of clays, used for both industrial and scientific purposes, is their acid activation. This consists of the treatment of clay with a mineral acid solution, usually HCl or H 2 SO 4.The main task is to obtain partly dissolved material of increased specific surface area, porosity and surface acidity (Komadel, 2003).

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