تعتبر شركة Olux شركة رائدة ومتميزة على المستوى الدولي في مجال البحث والتطوير وتصنيع وبيع محطات التكسير والغربلة واسعة النطاق ومعدات الطحن الصناعية ومصانع الاستفادة.
Rectorite (REC) is a type of regularly interstratified clay mineral (1: 1) with alternating non-expansible dioctahedral mica-like layers and expandable dioctahedral smectite-like layers (Schumann ...
WhatsApp: +86 18221755073
Rectorite with specific texture is a rare variety of clay minerals with a 2:1 layer structure. It is a regularly interstratified clay mineral of dioctahedral mica layer and dioctahedral montmorillonite layer in a 1:1 ratio.
WhatsApp: +86 18221755073
Green synthesis of zeolites from a natural aluminosilicate mineral rectorite: Effects of thermal treatment temperature. Applied Clay Science, Vol. 90, Issue., p. ... Optimal Synthesis of Environment-Friendly Iron Red Pigment from Natural Nanostructured Clay Minerals. Nanomaterials, Vol. 8, Issue. 11, p.
WhatsApp: +86 18221755073
Clays and Clay Minerals INTERLAYER CONFORMATIONS OF INTERCALATED DODECYLTRIMETHYLAMMONIUM IN RECTORITE AS DETERMINED BY FTIR, XRD, AND TG ANALYSES Development of ammonium-saponites from gels with variable ammonium concentration and water content at low temperatures
WhatsApp: +86 18221755073
Our previous works (Liu et al., 2012, Wei et al., 2010) have shown that rectorite, a natural aluminosilicate mineral clay having a regular 1:1 interstratification of non-expandable (dioctahedral mica-like) and expandable (dioctahedral smectite-like) 2:1 layers (Stixrude and Peacor, 2002) and with abundant reserves in the earth, can be taken as ...
WhatsApp: +86 18221755073
The rectorite, a regular mixed layer mineral consisting of dioctahedral swelling and non-swelling 2:1 layers, from North Little Rock, Arkansas, was studied to define the crystal chemistry and …
WhatsApp: +86 18221755073
The regular mixed-layer clay mineral rectorite seems to form as a result of the alteration of muscovite-paragonite during late stages of diagenesis and represents an intermediate metastable phase in the mineral paragenetic sequence. Pyrophyllite subsequently formed from the alteration of rectorite during advancing metamorphism and is the stable ...
WhatsApp: +86 18221755073
Clay minerals have been used widely in wastewater treatment. There are many published articles on the removal of inorganic and nonmetallic pollutants, colors, heavy metal ions, pesticides, oils and greases from various wastewaters (Booker et al., 1996, Srimurali et al., 1998).In particular, heavy metal laden wastewater treatment is the most studied (Abollino et al., …
WhatsApp: +86 18221755073
Clay mineral, any of a group of important hydrous aluminum silicates with a layer (sheetlike) structure and very small particle size. They may contain significant amounts of iron, alkali metals, or alkaline earths. ... sepiolite-palygorskite, (8) interstratified clay minerals (e.g., rectorite, corrensite, tosudite), and (9) allophane-imogolite ...
WhatsApp: +86 18221755073
mixed-layer clay mineral rectorite seems to form as a result of the alteration of muscovite-paragonite during late stages of diagenesis and represents an inter mediate metastable phase in the mineral paragenetic sequence. Pyrophyllite subsequently formed from the alteration of rectorite during advancing metamorphism
WhatsApp: +86 18221755073
As aggregates of microscopic crystals, producing foliae or matted masses resembling the mountain leather" variety of palygorskite. Physical Properties: Cleavage: Perfect on f001g. …
WhatsApp: +86 18221755073
Reduced nontronite has been demonstrated to be antibacterial through the production of hydroxyl radical (•OH) from the oxidation of structural Fe(II). Herein, we investigated the antibacterial activity of more common smectite–illite (S–I) clays toward Escherichia coli cells, including montmorillonite SWy-3, illite IMt-2, 50–50 S–I rectorite RAr-1, 30–70 S–I ISCz-1, and …
WhatsApp: +86 18221755073
Tomita, K., 1974 Similarities of rehydration and rehydroxylation properties of rectorite and 2 M clay micas Clays & Clay Minerals 22 79 – 85 10.1346/CCMN.1974.0220111. CrossRef Google Scholar Tomita, K. and Sudo, T., 1968 Interstratified structure formed from a pre-heated mica by acid treatments Nature 217 1043 – 1044 10.1038/2171043a0 .
WhatsApp: +86 18221755073
The rectorite, a regular mixed layer mineral consisting of dioctahedral swelling and non-swelling 2:1 layers, from North Little Rock, Arkansas, was studied to define the crystal chemistry and structural parameters (e.g. layer charge of the different layers, presence of cis/trans-vacancies). ... Clays & Clay Minerals, 47, 386 ...
WhatsApp: +86 18221755073
Request PDF | Insights into the adsorption behaviour and mechanism of tetracycline on rectorite mineral: Influence of surface and structure evolution | The abuse of tetracycline has caused serious ...
WhatsApp: +86 18221755073
Clays and Clay Minerals - Recurrent reports of analyses of X-ray diffraction data from regularly alternating and nearly regularly alternating structures like rectorite provide opportunity for a...
WhatsApp: +86 18221755073
Illite–smectite interstratified clay minerals are ubiquitous in sedimentary basins and they have been linked to the maturation, migration and trapping of hydrocarbons1, rock cementation2 ...
WhatsApp: +86 18221755073
Melt blending using a twin-screw extruder was used to prepare composites of polypropylene (PP)/organic rectorite (PR). The organic rectorite (OREC) was modified with dodecyl benzyl dimethyl ammonium bromide (1227). Wide-angle X-ray diffraction (WAXD) and transmission electron microscopy were used to investigate the dispersion of OREC in the ...
WhatsApp: +86 18221755073
Rectorite, previously known as allevardite, is a clay mineral with a structure consisting of a regular interleaving of dioctahedral mica and dioctahedral smectite layers.
WhatsApp: +86 18221755073
Rectorite is an interstratification layered silica mineral ... TEM micrographs of the rectorite/NBR nanocomposite with various clay contents are shown in Figure 2. The dark lines or areas are the ...
WhatsApp: +86 18221755073
Illite–smectite (I-Sm) clay minerals widely existed in clay-rich rocks or sediments. Understanding the effects of I-Sm clay minerals on the thermal evolution of organic matters (OMs) may facilitate interpreting hydrocarbon …
WhatsApp: +86 18221755073
The swelling behavior of clay minerals is an important issue in industrial processes and environmental applications. Mixed-layer clay minerals containing a smectite fraction, such as rectorite, are neglected even though they could swell and exist in nature widely. The hydration of rectorite has not …
WhatsApp: +86 18221755073
The Jeffrey Quarry rectorite studied was obtained from the Ernst-Moritz-Arndt-University Greifswald clay mineral collection. The sample consists of soft aggregates of rectorite and cookeite foliae together with quartz crystals in accordance with the descriptions of Brown & and Miser & Milton . Rectorite was separated by disaggregating the ...
WhatsApp: +86 18221755073
Transmission Electron Microscope Data for Rectorite: Implications for the Origin and Structure of "Fundamental Particles" - Volume 34 Issue 2 ... These results further imply that grinding and other treatment of coherent crystals of clay minerals may produce individual unit layers. Moreover, when coupled with size-separation, such treatment ...
WhatsApp: +86 18221755073
Junction probability diagrams show variation in both composition and layer arrangement in mixed-layer clay minerals. These diagrams can represent short-range and long-range ordered, random, and segregated interstratifications. ... fall near a line connecting rectorite and illite, which represents the maximum degree of R1 layer ordering. No ...
WhatsApp: +86 18221755073
Brindley, G. W. and Brown, G., (1961) Quantitative analysis of clay mixtures X-ray Identification and Crystal Structures of Clay Minerals 2 London Mineral. Society 489 – 516 . Google Scholar
WhatsApp: +86 18221755073
Ahn, J. H. and Peacor, D. R. (1986) Transmission electron microscope data for rectorite: Implications for the origin and structure of "fundamental particles": Clays & Clay Minerals 34, 180–186. Article Google Scholar
WhatsApp: +86 18221755073
Over the past decades, inspired by the outstanding properties of clay minerals such as abundance, low-cost, environmental benignity, high stability, and regularly arranged silica-alumina framework, researchers put much efforts on the interface assembly and surface modification of natural minerals with bare photocatalysts, i.e. TiO 2, g-C 3 N 4, ZnO, MoS 2, etc.
WhatsApp: +86 18221755073
Junction probability diagrams show variation in both composition and layer arrangement in mixed-layer clay minerals. These diagrams can represent short-range and long-range ordered, random, and segregated interstratifications. Mineralogical analyses of illite/smectite from shale cuttings, bentonites, and hydrothermally altered tuffs define characteristic reaction pathways through …
WhatsApp: +86 18221755073
11 rowsRectorite is a clay mineral which consists of alternating pairs of the non-expandable dioctahedral mica-like layer and expandable dioctahedral smectite layer in the ratio of 1:1 [101]. Rectorite can be easily cleaved between smectite inter-layers to form 2 nm thick monolithic …
WhatsApp: +86 18221755073
Rectorite is a regular interstratified clay mineral made of 1:1 ratio of a nonswelling illite component and a swelling montmorillonite component. Thus, its sorptive properties would be similar to that of illite and montmorillonite. Although rectorite is not a common mineral, mixed-layered clay minerals made of illite and montmorillonite are ...
WhatsApp: +86 18221755073
Clay mineral crystals contain from a few to few hundred silicate layers (1 : 1 or 2 : 1 ... The vermiculitic layer may evolve toward smectite, giving rectorite-like clay (Wilson and Nadeau, 1985). Partial chloritization of vermiculitic interlayer is, however, more common. Clays of this type are called soil vermiculites, soil chlorites, ...
WhatsApp: +86 18221755073
Morelli, G. L., Favertto, L. and Bystrom, A. M. (1967) Determination of the type of stacking in a mixed-layer clay mineral from Kinnekule: Clay Minerals 7, 113 – 115. CrossRef Google Scholar Tornita, K. and Sudo, Toshio ( 1968 ) …
WhatsApp: +86 18221755073
Clay mineral from altered volcanic tuff ash with a high silica content related to hot spring activity. Smectite group mineral. IMA Status: Valid Species (Pre-IMA) 1936 : Locality: Company No. 1 mine, 3 miles south of Hector, San Bernardino Co., California.
WhatsApp: +86 18221755073
Rectorite (Rec) is an emerging regular clay mineral with a 2D sheet-like morphology, which is found to be abundant in Hubei, the central area of China (Guo et al., …
WhatsApp: +86 18221755073
The Zhongxiang rectorite was generated by both layer-by-layer growth mechanism and dissolution and crystallization growth mechanism with multistages. ... Clays and Clay Minerals, 45: 517–533 doi: 10.1346/CCMN.1997.0450404: Bailey, S. W., Brindley, G. W., Kodama, H., et al., 1982. Report of the Clay Minerals Society Nomenclature Committee 1980 ...
WhatsApp: +86 18221755073