搜索结果: 46-60 共查到“地质学 ATTAPULGITE”相关记录67条 . 查询时间(0.192 秒)
Research on Purification of Attapulgite Clay and Adsorption Characteristics for Metal Cations
Acid Treatment Alkaline Treatment Attapulgite Clay Cation-Adsorption Purification
2011/11/22
Attapulgite clay(ATP) from Xuyi county of China was purified by a wet method then treated with NaOH and 1.0 mol/L, 2.0 mol/L and 3.0 mol/L solutions of HCl. Transmission electron microscope(TEM) and X...
Fast removal of ammonium nitrogen from aqueous solution using chitosan-g-poly(acrylic acid)/attapulgite composite
Ammonium nitrogen Composite adsorbent Kinetics Isotherms Adsorption mechanism
2011/10/10
In thiswork, a novelcomposite adsorbent with three-dimensional cross-linked polymeric networks based on chitosan (CTS) and attapulgite (APT) was prepared via in situ copolymerization in aqueous soluti...
Fast removal of ammonium nitrogen from aqueous solution using chitosan-g-poly(acrylic acid)/attapulgite composite
Ammonium nitrogen Composite adsorbent Kinetics Isotherms Adsorption mechanism
2011/12/14
In thiswork, a novelcomposite adsorbent with three-dimensional cross-linked polymeric networks based on chitosan (CTS) and attapulgite (APT) was prepared via in situ copolymerization in aqueous soluti...
Preparation and characterization of a novel pH-sensitive chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate composite hydrogel bead for controlled release of diclofenac sodium
Composite hydrogel bead pH-sensitive Controlled release Diclofenac sodium
2011/10/10
A series of pH-sensitive composite hydrogel beads composed of chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate (CTS-g-PAA/APT/SA) was prepared as drug delivery matrices crosslinked by Ca2+ow...
Preparation and characterization of a novel pH-sensitive chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate composite hydrogel bead for controlled release of diclofenac sodium
Composite hydrogel bead pH-sensitive Controlled release Diclofenac sodium
2011/12/14
A series of pH-sensitive composite hydrogel beads composed of chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate (CTS-g-PAA/APT/SA) was prepared as drug delivery matrices crosslinked by Ca2+ o...
Effect of Heat Treatment on Properties of Mineral Attapulgite
Attapulgite Heat Treatment Size Distribution Surface Free Energy Water Vapor Adsorption
2011/11/14
Mineral attapulgite powders were heat treated at different temperature from 100°C to 800°C. The effect of heat treatment on properties of attapulgite were studied by particle size distribution, surfac...
Dynamic and controlled rate thermal analysis of attapulgite
attapulgite CRTA palygorskites sepiolite thermal analysis thermogravimetry
2011/11/10
Abstract The thermal decomposition of the clay mineral attapulgite has been studied using a combination of dynamic and controlled rate thermal analysis. In the dynamic experiment two dehydration step...
A novel N-succinylchitosan-graft-polyacrylamide/attapulgite composite hydrogel was prepared by using N-succinylchitosan, acrylamide and attapulgite through inverse suspension polymerization. The resul...
Synthesis and characterization of chitosan-g-poly(acrylic acid)/attapulgite superabsorbent composites
Superabsorbent composite Water absorbency Attapulgite Chitosan
2011/12/14
A novel chitosan-g-poly(acrylic acid)/attapulgite superabsorbent composite with water absorbency of 159.6 g g1 in distilled water and 42.3 g g1 in 0.9 wt% NaCl solution was prepared by graft polymer...
Ternary Polypropylene/Polyolefin Elastomer/Attapulgite Composites
Attapulgite Composite Polyolefin Elastomer Polypropylene (PP)
2011/11/22
Modification of polypropylene (PP) by the addition of polyolefin elastomer (POE) and attapulgite (AT) has been investigated. The result have shown that the addition of POE and AT gave PP excellent mec...
Nucleating Effect and Dynamic Crystallization of a Poly(propylene)/Attapulgite System
DSC dynamic crystallization mineral filler nucleation polypropylene
2011/11/10
In this work, the influence of attapulgite concentration on the nucleating efficiency of isotactic polypropylene (iPP) and on the kinetics of non-isothermal crystallization were ascertained.The study ...
STABILITY OF PARATHION ON ATTAPULGITE AS AFFECTED BY STRUCTURAL AND HYDRATION CHANGES
Attapulgite Dehydration Infrared spectroscopy Isomerization Parathion Scanning electron microscopy Thermal treatment
2011/11/15
Abstract--The structure and hydration status of attapulgite clay after heating at elevated temperatures and the stability of parathion on these clays was studied. Using infrared spectroscopy and scann...
Organic Derivatives of Attapulgite—I. Infrared Spectroscopy and X-Ray Diffraction Studies
Attapulgite Organic Derivatives X-Ray Diffraction
2012/2/13
Highly significant differences are observed between the methyl derivatives of attapulgite, produced when this mineral is reacted with (CH3)2Si(OC2H5)2, in the presence or in absence of HCl. In the fir...
ORGANIC DERIVATIVES OF ATTAPULGITE-INFRARED SPECTROSCOPY AND X-RAY DIFFRACTION STUDIES
ATTAPULGITE-INFRARED SPECTROSCOPY X-RAY DIFFRACTION STUDIES
2011/11/15
Highly significant differences are observed between the methyl derivatives of attapulgite,produced when this mineral is reacted with (CHz)zSi(OCzHs)2, in the presence or in absence of HCI. In the firs...
A Macrocrystalline Attapulgite-Palygorskite Occurrencein Calcite Veins
Attapulgite-Palygorskite Calcite Veins
2011/11/4
Fibrousa ttapulgite-palygorskitwei,t h fibersg enerallym easurings everaml illimetersin length,i s found associatewd ith calcitei n hydrothermallyd epositedv eins.T he veinsr epresenftr acturef illing...