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The mineral assemblage of the rectorite pelite is rectorite, halloysite, illite, gypsum, pyrite and rutile, suggesting a weak supergene alteration. Several features related to crystallization of halloysite were noted. Growth of halloysite on rectorite edge surfaces in voids and twins of halloysite on a nanometer scale with composition plane ...
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Rectorite is a regularly interstratified clay mineral with alternate pairs of dioctahedral mica-like layer (nonexpansible) and dioctahedral montmorillonite-like layer (expansible) in 1:1 ratio. ...
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For rectorite powders (0:1), although montmorillonite-like layers were expansive, there were a lot of hydrated cations (e.g., Na +, Ca 2+, and Mg 2+) that easily dissociated in water between layers [46], which could be exchanged with cations and be used to adsorb cationic dyes. However, the powdered rectorites quickly settled to the bottom ...
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Nowadays, most of mineral-based adsorbents are powder form, which makes them inconvenient to collect and always easy to cause secondary pollution. In this work, an organic rectorite composite nanofiber membrane (SRt-PAN) was designed and prepared by electrospinning technique. The as-received composite nanofiber membranes were …
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Traumatic injury is a major cause of mortality, and poor wound healing affects millions of people. Thus, the development of effective wound dressings is essential for speeding up wound healing and decreasing mortality. In this study, a suspension of carboxylated brown algae cellulose nanofibers (BACNFs) with
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phyllosilicate, compound with a structure in which silicate tetrahedrons (each consisting of a central silicon atom surrounded by four oxygen atoms at the corners of a tetrahedron) …
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Rectorite (REC) is a type of layered silicate which has been concentrated on the PLNs technology in recent years [9]. REC shows adsorption capacity on bacteria and immobilization activity
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The intercalating growth of new silicate layers or metal hydroxide layers in the interlayer space of other clay minerals is known from various mixed-layer clay minerals such as illite-smectite (I-S), chlorite-vermiculite, and mica-vermiculite. In a recent study, the present authors proposed that smectitegroup minerals can be synthesized from solution as new …
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Compared with raw rectorite microplatelets (RMs), rectorite nanosheets (RNs) have considerably greater application prospect in the preparation of advanced composite materials because of their ...
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البحث عن أفضل مجموعة من شركات التصنيع والمصادر لبنة من الطين محطم منتجات لبنة من الطين محطم رخيصة وذات جودة عالية لأسواق متحدثي arabic في alibaba
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Understanding the swelling properties of clay minerals is of great significance to environmental science and engineering applications, including environmental remediation, oil and gas wellbore collapse, geological disasters, and commercial additives. The vast majority of experimental and molecular simulation studies have mainly focused on pure …
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Moreover, we had shown that a hydrothermally stable ZSM-5/rectorite composite in which ZSM-5 crystals of ca. 2 μm in size were overgrown on preformed rectorite substrate could be synthesized using the rectorite mineral calcined at 800°C as raw material. When used as FCC additive, the obtained ZSM-5/rectorite composite demonstrated enhanced ...
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All of the experimental evidence supported Brown and 's conclusion that rectorite was made up of pairs of mica-like (non-expandable) and montmorillonite-like (expandable) …
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Rectorite was composited with BiOI to extend its applicability as an applied material with high adsorptive capacity and photocatalytic activity. The facile synthesis process involved ultrasonic irradiation and in situ reaction. The physicochemical properties of the as-prepared samples were characterized by m
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Abstract: Cuprous oxide(Cu 2 O)/rectorite nanocomposites were prepared through polyol method by using cupric acetate complex as precursor of Cu, aiming to utilize the iron species in the clay material and hydrogen peroxide derived from Cu 2 O to form a novel immobilized Fenton system. The obtained nanocomposites were characterized by X-ray …
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The complete removal of low concentration organic pollutants from wastewater to obtain clean water has always been a highly desired but challenging issue. In response to this, we proposed a new strategy to fabricate a carbon-in-silicate nanohybrid composite by recycling dye-loaded layered clay adsorbent and converting them to new heterogeneous carbon …
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Rectorite Total contents mass wt% Atom ratio Mica Smectite SiO 2 51.88 Si 12.46 6 6.46 Al 2O 3 41.18 Al 11.64 6 5.64 FeO 0.46 Fe2 ...
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1. Introduction. Rectorite (REC) is a sort of natural clay mineral, which is consisted of a non-expansible dioctahedral mica-like layer and expandable dioctahedral …
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Rectorite is a mineral with formula of (Na,Ca)Al 4 (Si,Al) 8 O 20 (OH) 4 ·2H 2 O. The corresponding IMA (International Mineralogical Association) number is IMA1967 s.p.. The IMA symbol is Rec. RRUFF Project. 1 Synonyms. Rectorite ; Rec ; PubChem. 2 Related Records. 2.1 Substances. 2.1.1 PubChem Reference Collection SID. 481105660. …
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Through the hemostatic property of rectorite, the viscous nanocomposite decreased the in vitro clotting time by 43%. Moreover, an in vitro porcine skin model confirmed that the viscous nanocomposite can stably adhere on skin and impede blood bleeding successfully. Importantly, the internal structure of the nanocomposites, chitosan intercalating ...
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Compared with raw rectorite microplatelets (RMs), rectorite nanosheets (RNs) have considerably greater application prospects in the preparation of advanced composite …
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Rectorite, previously known as allevardite, is a clay mineral with a structure consisting of a regular interleaving of dioctahedral mica and dioctahedral smectite layers. It is a mineral which forms under low-temperature hydrothermal conditions, where it typically replaces potassic feldspar, or during by the diagenetic alteration of muscovite ...
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In this work, zinc oxide/rectorite composites were synthesized by a sol–gel method. The methanol as sacial organics could be enhance the adsorption capability and photocatalytic reduction activity of U(VI) onto the zinc oxide/rectorite composites. In addition, the composite still showed the high photoreduction activity after four reaction …
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