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Thermal analysis of organoclays and application for water purification
Thermal analysis organoclays application water purification
2012/3/30
In recent years, organoclays have become widely used in many industrial applications, and particularly they have been applied as adsorbents for water purification (de Paiva et al., 2008; Zhou et al., ...
Controlled Rate Thermal analysis of sepiolite
attapulgite sepiolite palygorskites thermal analysis CRTA thermogravimetry
2011/11/8
CRTA technology offers better resolution and a more detailed interpretation of the decomposition processes of a clay mineral such as sepiolite via approaching
equilibrium conditions of decomposition ...
Few introducing comments on the thermal analysis of organoclays
Adsorption primary and secondary Adsorptive clays Charcoal Organo-montmorillonite Organophilic clays Oxidation
2011/11/10
Organoclays are the adsorption products of organic matter by clay minerals. In modern technology, organoclay-based nanocomposites obtained by modifying Na-clay by primary adsorption of organic ammoniu...
Thermal analysis and Infrared emission spectroscopic study of kaolinite–potassium acetate intercalate complex
Kaolinite Potassium acetate Intercalation complex Infrared emission spectroscopy
2011/11/10
The thermal behavior and decomposition of kaolinite–potassium acetate intercalation complex was investigated through a combination of thermogravimetric analysis and infrared emission spectroscopy. Thr...
Thermal analysis and Hot-stage Raman spectroscopy of the basic copper arsenate mineral
Copper Arsenate Olivenite Cornwallite Cornubite Clinoclase thermal stage Raman spectroscopy Euchroite
2011/11/10
The thermal analysis of euchroite shows two mass loss steps in the temperature range 100–105 °C and 185–205 °C. These mass loss steps are attributed to dehydration and dehydroxylation of the mineral. ...
Synthesis and thermal analysis of indium-based hydrotalcites of formula Mg6In2(CO3)(OH)16?H2O
Hydrotalcite synthesis Hydrocalumite Raman spectroscopy Indium
2011/11/10
Insight into the unique structure of layered double hydroxides (LDHs) has been obtained using a combination of X-ray diffraction and thermal analysis. Indium containing hydrotalcites of formula Mg4In2...
Dynamic and controlled rate thermal analysis of halotrichite
Evaporite Jarosite Halotrichite Sulphate CRTA
2011/11/10
Three halotrichites namely halotrichite Fe2+SO4·Al2(SO4)3·22H2O, apjohnite Mn2+SO4·Al2(SO4)3·22H2O and dietrichite ZnSO4·Al2(SO4)3·22H2O, were analysed by both dynamic, controlled rate thermogravimetr...
Thermal dehydration of CeP3O9·3H2O by controlled rate thermal analysis
activation energy cerium phosphate controlled rate thermal analysis TG-DTA
2011/11/10
Abstract The aim of this work is to highlight the importance of controlling the residual water vapour pressure above the sample as well as the rate of the thermal decomposition during the thermal deh...
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...
Study of Kinetic Parameters of Reject/Clay/Composites by Thermal Analysis
clay composite kinetic parameters reject
2011/11/11
Thermal degradation of granite and marble industry reject (GMIR), a red clay (RC)and their composites were studied by non-isothermal thermogravimetry (TG/DTG) in nitrogen atmosphere, differential ther...
Controlled rate thermal analysis and differential scanning calorimetry of sepiolites and palygorskites
attapulgite palygorskite sepiolite Rocky Mountain Leather dehydration dehydroxylation
2011/11/4
A series of sepiolites, palygorskites and “Rocky Mountain Leather” clay minerals have been analysed by controlled rate thermal analysis and differential scanning calorimetry. Eight weight loss steps a...
Thermal Analysis as a Tool for Determining and Defining Spherical Kaolinite
Spherical Kaolinite Synthesis Thermal Analysis
2011/12/22
Abstract: Samples containing spherical kaolinite, synthesized under hydrothermal conditions (T = 200 癈; t = 24 h, 192 h, 720 h) from gel with Si/Al = 0.84, were studied by differential thermal analysi...
Thermal Stability of Halloysite by High-Pressure Differential Thermal Analysis
Dehydroxylation Halloysite High-pressure differential thermal analysis Morphology Phase relations Thermal stability
2012/1/4
Platy (Te Puke, New Zealand), cylindrical (Spruce Pine, North Carolina), and spherical (North Gardiner mine, Huron, Lawrence County, Indiana) halloysite samples were analyzed by high-pressure differen...
A Novel Differential Thermal Analysis Method for Quantifying the Sorption Capacity of Smectite Clay
Adsorption Differential thermal analysis Hydration Methyl salicylate Smectite
2012/1/4
The enthalpy of freezing of methyl salicylate sorbed by four commercial montmorillonite clays was used to estimate the absorption/adsorption capacity of the clay. Differential thermal analysis was the...
A Method for Preparing Pelleted Clay Samples of Semi-Micro Quantity for Differential Thermal Analysis
Clay Samples Semi-Micro Quantity Differential Thermal Analysis
2012/2/20
A semi-micro quantity (10–15 mg) sample of clay is pressed into a 3 mm diameter pellet for differential thermal analysis (DTA) in a STONE-TRACOR ring microsample holder. The pellet is transferred to t...