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Among the three BS-12 modified magnetic clay minerals, BS-12 modified magnetic attapulgite has the highest phenol adsorption capacity as it has the highest organic carbon content, and it capacity is rarely affected by temperature, pH and ionic strength. :
sepiolite and attapulgite had been reported from only two sites in the area. Reeves and Parry (1968 a,b), in a study of the clays several large saline playas, found both sepiolite and attapulgite in Mound Lake, a playa of approximately three square miles, in Lynn and Terry Counties, Texas ...
The invention discloses a powder sepiolite ing agent. The key point of the technical scheme is as follows: the powder sepiolite ing agent consists of dried sepiolite, high-viscosity attapulgite clay powder, lauryl sodium sulfate, sodium percarbonate, sodium polyacrylate, sodium pyrophosphate and sodium polynaphthylene sulfonate.
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· The effects of sepiolite, montmorillonite, and attapulgite on the removal and immobilization of Cr(VI) in water and soil were studied. X-ray diffraction (XRD) characterizations showed that the purities of these three mineral materials decreased in the following order: montmorillonite > attapulgite > sepiolite, and that their surface molecular bond types were similar.
In this study, the adsorption behavior of pyridine derivatives, i.e., 2-aminopyridine and 2,2'-bipyridyl, onto sepiolite, a natural clay mineral, has been investigated by bottle adsorption and IR spectroscopic techniques. The results indicate that 2-aminopyridine and 2,2'-bipyridyl molecules adsorb onto sepiolite through hydrogen bonding of the amino groups to the water molecules in the ...
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sepiolite attapulgite Prior art date Application number CN201511001901.3A Other languages English (en) Inventor
· X-Ray diffraction (XRD), laser Raman spectroscopy (LRS), and solid-state 51V nuclear magnetic resonance (NMR) have been used to investigate the intera…
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sepiolite attapulgite multifunctional additive Prior art date Application number CN01118050A Other languages English (en) Inventor Original Assignee Priority date (The priority date is an assumption and is not a legal conclusion.
Product/Service:sepiolite minerial fiber/clay/products,,sepiolite minerial fiber/clay/products, Anshan Technical Import & Export Co., Ltd Anshan technical import & export co., ltd: We are trader and manufactory in China.We specially nonmetal mineral products.
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The adsorption of 2,2′-bipyridyl by natural sepiolite, attapulgite, hectorite, saponite and natural and ion exchanged (Mn, Fe, Co, Ni, Cu, Zn or Sn) bentonites has been investigated by FT-IR and FT-Raman spectroscopy. Spectroscopic results indicate that most of the adsorbed molecules are coordinated to either exchangeable cations (in the case of smectite group clays) or acidic centres ...
Some clay minerals occur naturally in a fibrous or lath-like crystal state as attapulgite and sepiolite. Because of their sorptive and colloidal properties, attapulgite and sepiolite have numerous industrial applications, mainly as additives in oil-drilling muds, in chemical fertilizers, pesticides, paints, adhesive products, bleaching agents, cosmetic compounds and phytosanitary products.
Sepiolite and attapulgite have been found to be common, sometimes the major, clay minerals in calcareous lacustrine deposits on the southern High Plains in West Texas and eastern New Mexico. Deflation debris derived from the basins and calcareous soils developed in the debris and in the lacustrine deposits also often contain either or both minerals. Dolomite is the carbonate commonly ...
The invention discloses a sepiolite flame-retardant ing agent. The technical scheme has the following key points: the sepiolite flame-retardant ing agent consists of dried sepiolite, activated attapulgite, sodium bicarbonate, sodium alkyl benzene sulfonate, sodium polyacrylate, sodium pyrophosphate, ammonium polyphosphate and zinc borate.
Download Citation | Study on Binary Fatty Acids/ Sepiolite Composite Phase Change Material | Lauric acid/stearic acid as the binary phase change materials, modified sepiolite as the inorganic ...
Sepiolite has been treated with some organosilanes including dimethyloctadecylchlorosilane (DMODCS), dimethyldichlorosilane (DMDCS), and 3-aminopropyltriethoxysilane (3-APT). FTIR measurements have been used to discuss the interactions between sepiolite surface and organosilane molecules. The disappearance of OH stretching peaks of sepiolite has shown the strong interactions between the ...
sepiolite, sepiolite Suppliers and Manufacturers at . Go to Page Go About product and suppliers: 536 sepiolite products are offered for sale by suppliers on Alibaba, of which sepiolite accounts for 61%, crusher accounts for 1% A wide variety of sepiolite options are available to …
：SEPIOLITE. CAS No.：6. ：H8Mg2O10Si3 . ：300.92402. EINECS：264-465-3. ： . (). ： （）. ： …
Maya Blue, a pigment used by the Mayas in Yucatan, is remarkably stable: the color is not destroyed by hot concentrated mineral acids or by heating to about 250 degrees C. The principal constituent is the colorless mineral attapulgite. It is proposed that the pigment is an adsorption complex of atta …
· The chemical formula of sepiolite is Si 12 Mg 8 O 30 (OH) 4 (OH 2) 4.8H 2 O. Palygorskite and attapulgite have the same chemical compositions and crystal structures, but there are some differences in their natures. For example, palygorskite has good crystallization property, longer fibers and soft appearance; and attapulgite has poor ...
The unit-cell characteristics and structures of sepiolite, ferri-sepiolites (xylotile, mountain wood, gunnbjarnite), loughlinite and palygorskite (attapulgite) and their structural relationships are discussed. The chemical, morphological and thermal properties are explained by their structures. The unit-cell characteristics and structures of sepiolite "anhydride", loughlinite "anhydride ...
OSTI.GOV Conference: Reactions of Attapulgite and Sepiolite in High-Temperature Drilling Fluids
The dehydration and dehydroxylation of the clay minerals attapulgite, sepiolite and `Rocky Mountain leather' have been analysed by infrared emission spectroscopy. The `Rocky Mountain leather' and attapulgite are shown to be identical. Infrared emission spectroscopy of the thermal degradation over the temperature range of 100 to 700°C has been used to characterise the thermal decomposition of ...
· The effects of sepiolite, montmorillonite, and attapulgite on the removal and immobilization of Cr(VI) in water and soil were studied. X-ray diffraction (XRD) characterizations showed that the purities of these three mineral materials decreased in the following order: montmorillonite > attapulgite > sepiolite, and that their surface molecular bond types were similar.
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· Effects of attapulgite-supported transition metals catalysts on glycerol steam reforming for hydrogen production [J]. International Journal of Hydrogen Energy, 2018, 43: 20451-20464. 20. Mingqiang Chen*, Yishuang Wang, Zhonglian Yang, Tian Liang, Shaomin
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Sepiolite (additive) size:0.2-4.75mm,0.2-4mm,1. ... .25mm use:additive,fertilizer,raw material for fire-resisting apparatus Sepiolite (additive) Sepiolite is a silicate claymineral in fibre which is rich ... chain layers.It can be divided into soil Sepiolit(stereoplasm Sepiolite)came from deposition an …
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