搜索结果: 1-15 共查到“凹凸棒石 Calcium”相关记录17条 . 查询时间(0.167 秒)
The European calcium carbonate association
mineral calcium carbonate European calcium carbonate association
2012/3/6
The European calcium carbonate and dolomite producers established their own representation at EU level through CCA-Europe, a founding member of the Industrial Minerals Association Europe (IMA-Europe).
Study on Desulfurization of SO2 by Desulfurization Agent of Attapulgite Compounded with Calcium Oxide
Adsorption Attapulgite Cao Catalysis Desulfurisation SO2
2011/11/15
Sulfur dioxide is one of the major pollutants resulting from fuel combustion. In this study, CaO and attapulgite were utilized as raw material for synthesizing CaO/attapulgite(CaO/ATP) desulfurizer. T...
Characterization method of Limestone according to the Formation Age on manufacturing process of aragonite precipitated calcium carbonate
Characterization method Limestone the Formation Age manufacturing process aragonite calcium carbonate
2012/3/28
Korea has about 68 hundreds million tons of limestone's reserves. Still, high-Ca2+ limestone containing more than 52% calcium oxide makes up for about 12% only; hence the need for securing and effecti...
Manufacturing Characteristics of Precipitated Calcium Carbonate according to the Formation Age of Limestone
Manufacturing Characteristics Precipitated Calcium Carbonate Formation Age Limestone
2012/3/28
Limestone is abundant mineral that has occupied about 14% of the earth's crust and 20~30% of the sedimentary rock all over the world. As extensive distribution, limestone contains various minerals suc...
Tensile strength of sand, palygorskite and calcium carbonate mixtures and interpretation with the effective stress theory
Indirect tensile strength Palygorskite Calcium carbonate Effective stress Compaction Central Iran
2011/11/4
Many soils in arid regions of the world including those of central Iran contain palygorskite and carbonates in their mineral fraction. There is, however, little information on the effects of these min...
Properties of Water in Calcium- and Hexadecyltrimethylammonium-Exchanged Bentonite
Bentonite Diffusion HDTMA Neutron Scattering Water
2011/12/2
Abstract: Dynamical and thermodynamic properties of water at room temperature in Ca- and hexadecyltrimethylammonium- (HDTMA) exchanged bentonite were determined for 4 different water contents (∼...
Primary structure of a soluble matrix protein of scallop shell: Implications for calcium carbonate biomineralization
Primary structure matrix protein scallop shell Implications calcium carbonate biomineralization
2012/4/1
Soluble proteins in the scallop ( Patinopecten yessoensis ) foliated calcite shell layer were characterized using biochemical and molecular biological techniques. SDS PAGE of these molecules revealed ...
TEM investigation of potassium-calcium feldspar inclusions in B鴊gild plagioclase
TEM investigation potassium-calcium feldspar inclusions B鴊gild plagioclase
2012/4/6
PotassiumcalciumfeldsparinclusionsinaBggildplagioclasewereinvestigatedbyanalyticalhighresolutiontransmissionelectronmicroscHRTEM),andtheformationprocessoftheseinclusionsisconsideredbasedontheAlSiorder...
Transformation of fivefold-coordinated silicon to octahedral silicon in calcium silicate, CaSi2O5
Transformation fivefold-coordinated silicon octahedral silicon calcium silicate CaSi2O5
2012/4/5
Asingle-crystalhigh-pressurediffractionstudyinadiamond-anvilcellshowsthatunderhydrostaticconditionstriclinicCaSiOtransformstoamonoclinicstructureatapressurebetween0.17(2)and0.205(5GPa.Thetransitioniso...
Thermochemistry of natural potassium sodium calcium leonhardite and its cation-exchanged forms
Thermochemistry potassium sodium calcium leonhardite cation-exchanged forms
2012/4/6
Leonhardite, a partially dehydrated laumontite, and its alkali variety, primary leonhar-dite, have been studied byhigh-temperature calorimetry. The enthalpies offormation from oxides and elements at 2...
Thermochemistry and phase equilibria in calcium zeolites
Thermochemistry phase equilibria calcium zeolites
2012/4/6
Thermodynamic properties ofthe natural calcium zeolites laumontite, leonhardite, de-hydrated leonhardite (metaleonhardite), wairakite, and yugawaralite werestudied bycal-orimetry in lead borate solven...
Bronsted Acidification Observed during Hydrothermal Treatment of a Calcium Montmorillonite
Aluminium Ca-smectite Gibbsite-type intercalates
2011/12/30
An aluminous Ca-montmorillonite from southern Manitoba, Canada, has been shown to generate very low pH values in clay/groundwater slurries over a range of ionic strength of the groundwater (fresh and ...
Modeling of H+ and Cu2+ Adsorption on Calcium-Montmorillonite
Adsorption Copper Modeling Montmorillonite
2011/12/29
The interaction of H+- and Cu2+-ions with Ca-montmorillonite was investigated in 0.1 mol/dm3 solutions of Ca(CIO4)2 at 298.2 K by potentiometric titrations using both glass electrodes (for H+) and ion...
Influence of Calcium and Sodium Concentration on the Microstructure of Bentonite and Kaolin
Aggregation Bentonite Electrolyte Flocculation Kaolin Scanning electron microscopy
2012/1/5
The influence of added sodium and calcium nitrate electrolyte on the particle aggregates in the colloid fraction of natural bentonite and kaolin was studied. Clays were flocculated in distilled water ...
Sodium, Calcium, and Ammonium Exchange on Clinoptilolite from the Fort Laclede Deposit, Sweetwater County, Wyoming
Ammonium Calcium Cation exchange Clinoptilolite Selectivity Sodium
2012/1/11
Clinoptilolite from the Fort LaClede deposit in Sweetwater County, Wyoming, shows a moderate selectivity for NH4- over Na+ in aqueous solution. At 30°C, the standard free energy of this replacement re...