• (pdf) nonionic surfactants organophilization bentonite

    (PDF) Nonionic surfactants organophilization bentonite

    Nonionic surfactants organophilization bentonite clays aiming their use in oil base drilling fuids Article (PDF Available) in Cerâmica 58(347):317-327 · September 2012 with 139 Reads

  • an investigation on the use of surfactants in the

    AN INVESTIGATION ON THE USE OF SURFACTANTS IN THE

    nonionic surfactants from their critical micelle concentrations (c.m.c.). 2. MATERIALS AND METHODS Clay samples used in this study are calcic bentonites found in the State of Paraíba (PB, Brazil). Three surfactants were tested in the organophilization process: the anionic saponified

  • non-ionic surfactants an overview sciencedirect topics

    Non-Ionic Surfactants an overview ScienceDirect Topics

    Non-ionic and anionic surfactants: the potent irritancy of anionic surfactants can be due to their surface-active properties or ability to denature proteins, including enzymes, but it is likely to be more closely related to their effects on biomembranes.Their adsorptive properties on the surface of the skin are of considerable importance as a primary factor in the initiation of skin roughness [9].

  • modification of bentonites with nonionic surfactants

    Modification of bentonites with nonionic surfactants

    Modification of bentonites with nonionic surfactants for use in organic-based drilling fluids Article in Applied Clay Science 95 · June 2014 with 126 Reads How we measure 'reads'

  • (pdf) influence of alcohol route and surfactant/clay ratio

    (PDF) Influence of alcohol route and surfactant/clay ratio

    Influence of alcohol route and surfactant/clay ratio in the process of bentonite clays organophilization and their rheological properties in non-aqueous media

  • list of anionic, cationic and non-ionic surfactants

    List of anionic, cationic and non-ionic surfactants

    List of anionic, cationic and non-ionic surfactants. A discussion started in 2001 but continuing through 2018. 2001. Q. Could you give me a list of anionic, cationic and non-ionic surfactants. The chemical names as well as the Analysis method if possible. Thanks, Mrs. Anjali Koparkar

  • organofilização de argilas bentoníticas com tensoativos

    Organofilização de argilas bentoníticas com tensoativos

    This work aims the organoclays development through the nonionic surfactants incorporation in order to oil base drilling fluids use. The natural bentonite clay, and industrialized organophilizated were characterized by chemical analysis, X-ray diffraction and thermal analysis. After, the clay organophilization was performed by Foster swelling, seeking the most appropriate choice of surfactants

  • organofilização de argilas bentoníticas com tensoativos

    Organofilização de argilas bentoníticas com tensoativos

    After, the clay organophilization was performed by Foster swelling, seeking the most appropriate choice of surfactants to the liquid media organic dispersants, ester, paraffin and diesel. With the

  • evaluation of organic modification of montmorillonite with

    Evaluation of organic modification of montmorillonite with

    2017-12-15· Semi-solid method an efficient and eco-friendly organophilization route. • Preparation of ester ammonium and ethoxylated amine modified montmorillonite. • Cationic and nonionic species intercalation and arrangement discussion. • Thermal stable organic-montmorillonite obtained by nonionic surfactant.

  • (pdf) thixotropic evaluation of bentonitic clay

    (PDF) Thixotropic evaluation of bentonitic clay

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  • influence of alcohol route and surfactant/clay ratio

    Influence of alcohol route and surfactant/clay ratio

    Resumo. DANTAS, S. L. A.; MARQUES, K. A. e FERREIRA, H. S.. Influence of alcohol route and surfactant/clay ratio in the process of bentonite clays organophilization and their rheological properties in non-aqueous media.

  • nonionic polyol esters as thinner and lubricity enhancer

    Nonionic polyol esters as thinner and lubricity enhancer

    2018-09-15· Silva et al. studied the organophilization of bentonite clay using nonionic surfactants, aiming at their use as a dispersant in diesel and kerosene-based drilling mud. The study found that small increments of surfactant concentration in clay can lead to significantly different mud rheology, even though the rheology was only described by

  • an investigation on the use of surfactants in

    AN INVESTIGATION ON THE USE OF SURFACTANTS IN

    an investigation on the use of surfactants in the organophilization of bentonite clay for oil-based drilling fluids Due to the challenges encountered in well drilling operations, there are continuous demands for the development of fluids with specific physical-chemical and rheological properties.

  • modification of bentonites with nonionic surfactants

    Modification of bentonites with nonionic surfactants

    The advantage of nonionic surfactants over ionic ones is that they improve the thermal and chemical properties of organoclays (OC), and are also more readily biodegradable. The work described here involves a study of bentonites modified by nonionic surfactants, aiming at their use as dispersants in the composition of organic-based drilling

  • organofilization of smectite clay from pedra lavrada

    Organofilization of Smectite Clay from Pedra Lavrada

    The objective of the present work is the organofilization of smectite clay from Pedra Lavrada, PB, through the addition of nonionic surfactant. After organofilization, the clay was characterized through X-ray diffraction and Foster swelling, so that the most suitable surfactant could be chosen for diesel as organic dispersant media. The results

  • papers by keyword: surfactants scientific.net

    Papers by Keyword: Surfactants scientific.net

    Abstract: Middle-phase microemulsions (MPMs) of two systems of a cationic surfactant tetradecyltrimethylammonium bromide (TTABr)/n-butanol/ iso-octane/Na 2 CO 3 and

  • cerâmica 64 (2018) 425-430 dx.doi.org/10.1590/0366

    Cerâmica 64 (2018) 425-430 dx.doi.org/10.1590/0366

    nonionic surfactants. The organophilization process involved the use of 3.6 L of deionized water and 150 g of clay; the mixture was shaken for 20 min (at 17500 rpm), after which the nonionic surfactant combination was added. The pH was set to 7.0 with an HCl 2 N solution and the shaking was kept for

  • modification of bentonite clay by a cationic surfactant to

    Modification of bentonite clay by a cationic surfactant to

    Silva et al. (2014) studied the modification of bentonite by nonionic surfactants with the objective to use them as dispersants in the composition of organic-based drilling fluids, and observed an efficient intercalation of nonionic surfactants and chemical compatibility between diesel or kerosene and the modified organoclays.

  • the role of surfactant type on morphology and thermal

    The role of surfactant type on morphology and thermal

    The role of surfactant type on morphology and thermal behavior of PET nanocomposites supplied by Bentonit União Nordeste (BUN-Campina Grande/Brazil), in powdered form, with particle size 45 m, was used as filler in the PET nanocomposites

  • thixotropic evaluation of bentonitic clay dispersions

    Thixotropic evaluation of bentonitic clay dispersions

    text new page (beta) English (pdf) Article in xml format; How to cite this article: SciELO Analytics; Curriculum ScienTI; Automatic translation

  • thixotropic evaluation of bentonitic clay dispersions

    Thixotropic evaluation of bentonitic clay dispersions

    text new page (beta) English (pdf) Article in xml format; How to cite this article: SciELO Analytics; Curriculum ScienTI; Automatic translation

  • the role of surfactant type on morphology and thermal

    The role of surfactant type on morphology and thermal

    The role of surfactant type on morphology and thermal behavior of PET nanocomposites supplied by Bentonit União Nordeste (BUN-Campina Grande/Brazil), in powdered form, with particle size 45 m, was used as filler in the PET nanocomposites

  • purified smectite clays organofilized with ionic

    Purified Smectite Clays Organofilized with Ionic

    The use of nonionic surfactants is replacing the traditional ionic surfactants, among others, by its high resistance potential to thermal degradation. The objective is the development organoclays from Pedra Lavrada District PB, Brazil, clays, by adding non-ionic surfactants. The bentonites were organofilized and then characterized by X-ray

  • study of different methods in the preparation of

    STUDY OF DIFFERENT METHODS IN THE PREPARATION OF

    possesses surfactant properties, through two different methods of the preparation and the realization of Foster's Swelling tests, in a subsequent step. Different organic

  • applied clay science ایران عرضه

    Applied Clay Science ایران عرضه

    structural formulas of surfactants are shown in Fig. 1. 2.3. Organophilization methods Three organophilization media were considered: aqueous disper-sion, semi-solid and supercritical CO 2. The experiments were carried out according to distinct designs of experiments (DOE) that were de-pendent on the intercalation process. The DOEs were

  • bentonite clay

    Bentonite Clay

    The use of nonionic surfactants is replacing the traditional ionic surfactants, among others, by its high resistance potential to thermal degradation. The objective is the development organoclays from Pedra Lavrada District PB, Brazil, clays, by adding non-ionic surfactants. The bentonites were organofilized and then characterized by X-ray

  • study of organic surfactant sorption in bentonite clays

    Study of organic surfactant sorption in bentonite clays

    Thus, the present work aims to study the sorption / cation exchange of ionic and nonionic surfactants on the surface of bentonite clays making them organophilic. In the process of organophilization bentonite clays have used two industrialized Brasgel PA and the Bentongel that their concentrations were varied from 3.16 to 7.16% by weight of clay

  • summary of ph.d. thesis u-szeged.hu

    Summary of Ph.D. Thesis u-szeged.hu

    surfactants, the organophilization of anion-exchanger layered-structure double hydroxides with anionic surfactants, the stabilization of emulsions, microemulsions and catalytically active noble metal nanoparticles with anionic surfactants, and the preparation of mesoporous materials based on the self-assembly of surfactants by the template method. The properties of classic surfactants (e.g

  • peningkatan basal spacing bentonit aceh utara menggunakan

    Peningkatan Basal Spacing Bentonit Aceh Utara Menggunakan

    To improve the ability of bentonit as a filler, the bentonit basal spacing must be increased. This study tried to increase the distance of the basal spacing of bentonit through modification using cationic and anionic surfactants. Bentonit used is North Aceh bentonit. The addition of cationic surfactant was varied at 0.7 CEC, 1 CEC and 1.3 CEC

  • purification of bentonite clays from the district

    Purification of Bentonite Clays from the District

    The main deposits of bentonite clays are located in the district of Boa Vista, in the State of Paraiba, Brazil. The random exploration of these deposits for many years is causing the clays to be depleted, and this will turn into a serious problem to the national petroleum industry. So, this work aims to study the characterization of new deposits of bentonite clays in the district of Cubati, in

  • influence of alcohol in the process of route

    INFLUENCE OF ALCOHOL IN THE PROCESS OF ROUTE

    There is naturally organophilic bentonite clays, these can be modified by specific treatments with surfactants (ionic or nonionic), passing to its hydrophobic nature hidofílica. Organophilic clays are widely used in drilling fluids non-aqueous, these fluids are mixtures of different components used in a well bore. One of the basic

  • effect of clay/water ratio during bentonite clay

    Effect of clay/water ratio during bentonite clay

    Free Online Library: Effect of clay/water ratio during bentonite clay organophilization on the characteristics of the organobentonites and its polypropylene nanocomposites.(Report) by "Polymer Engineering and Science"; Engineering and manufacturing Science and technology, general Bentonite Chemical properties Composition Production processes Bromine compounds Clay Infrared

  • de19850622c1 liquid scouring agent for cleaning hard

    DE19850622C1 Liquid scouring agent for cleaning hard

    1985-06-22· The addition of 0.1-1 wt. % propylene carbonate to liquid abrasive cleaning agent compositions containing a relatively high proportion of mineral abrasive agents and bentonite gives a storage stable, easily flowing, milky dispersion which can be bottled easily. A liquid scouring agent comprises at least one finely divided abrasive material; surfactants selected from alkyl

  • paper open access

    PAPER OPEN ACCESS

    2.2. Preparation of surfactant-modified bentonite by ultrasound For organophilization process, 2 gr of purified bentonite was dispersed in 100 ml distilled water.Then a certain amount of surfactants with 2 CEC CTAB were added to the solution. The dispersions were

  • study of organic surfactant sorption in bentonite clays

    Study of organic surfactant sorption in bentonite clays

    Thus, the present work aims to study the sorption / cation exchange of ionic and nonionic surfactants on the surface of bentonite clays making them organophilic. In the process of organophilization bentonite clays have used two industrialized Brasgel PA and the Bentongel that their concentrations were varied from 3.16 to 7.16% by weight of clay

  • surface active ingredients and foam makers+

    SURFACE ACTIVE INGREDIENTS AND FOAM MAKERS+

    ionic and non-ionic surfactant mixture. BHA & Bit Anti-Aliasing. KAR-ANTI BALL is a special blend of environmentally acceptable ionic and nonionic surfactants. It is used to prevent bit and bottom-hole assembly balling in all water-base drilling fluid systems.

  • bentonites modified with anionic and ionic surfactants for

    Bentonites Modified With Anionic And Ionic Surfactants For

    Bentonites Modified With Anionic And Ionic Surfactants For. The sorption of methyl parathion by neutral alumina which was modified by ionic surfactants such as sdssdbs and ctmab was studied showed that the adsorbability of alumina to methyl parathion were related to the type and concentration of surfactant

  • universidade de coimbra 20th sis surfactants

    Universidade de Coimbra 20th SIS Surfactants

    Interfacial Properties of Oleic Acid-Based Gemini Surfactants: Effects of Headgroup Chirality and Linker Units Tomoaki Okano: P13.24: A novel biocompatible nonionic dicephalic di-N-oxide surfactants for the formulation of lipid nanoparticles: Katarzyna Wiercigroch: P13.25: Organophilization of vermiculites by using surfactants and microemulsions

  • ep0425804a2 granular additive containing nonionic

    EP0425804A2 Granular additive containing nonionic

    The invention relates to a granular additive for granular detergents and cleaning agents, consisting of a granular adsorbent (I) and, adsorbed thereon, non-ionic surfactants (II) from the class of polyglycol ether derivatives, where component (I) has the following composition based on anhydrous substance: (a) 50 to 75 % by weight of microcrystalline zeolite, (b) 2 to 10 % by weight of a sheet

  • changes in the morphology of organoclays with hdtma

    Changes in the morphology of organoclays with HDTMA

    TEM and SEM micrographs demonstrate that the organoclays with lower surfactant packing density are mainly composed of irregular layer stacking with a number of curved organoclay layers, while those with higher surfactant packing density are mainly composed of regularly intercalated and flat layers. Variations of the interlayer distances exist in all organoclays and are more pronounced in the

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