Using calcium carbide residue as raw material,first transform it into dihrdrate gypsum through acidification,then synthesize gypsum whiskers by hydrothermal method.
简单介绍了电石渣的产生和危害;以电石渣为原料,先酸化转换为二水石膏,再水热合成石膏晶须,探讨了电石渣的预处理过程中,酸的浓度和用量对生成的石膏产品质量的影响以及蒸养过程中料浆pH值对蒸养产品——石膏晶须长度及长径比的影响;介绍了石膏晶须在摩擦材料、塑料、填充材料等行业的应用。
New technology for the preparation of phosphogypsum whiskers;
湿法生产磷酸和磷石膏晶须新工艺
Effect of pH Value on Growth of Desulphurization Gypsum Whiskers
pH值对脱硫石膏晶须生长行为的影响
The Effects of Reaction Conditions on Growth Process of Desulphurization Gypsum Whisker
反应条件对脱硫石膏晶须生长行为的影响
Research on Affecting Factor of Preparation of Calcium Sulfate Whisker with FGD Gypsum
脱硫石膏制备硫酸钙晶须的影响因素研究
MEDIUM CRYSTAL AGENT IN HIGH-STRENGTH GYPSUM WITH FLUE GAS DESULPHURIZATION GYPSUM
用脱硫石膏制备高强石膏粉的转晶剂
Effect of Different Solid/Liquid Ratio and Raw Material Size on Preparation of Calcium Sulfate Whisker with Desulphurization Gypsum
不同固液比和原料粒度对脱硫石膏制备硫酸钙晶须的影响
The calsilutites and marls are associated with gypsum or contain pseudocrystals of gypsum.
泥晶灰岩和泥灰岩常与石膏共生或含有石膏假晶。
Gypsum may crystallize on the surface of the phosphate rock particles.
石膏会在磷矿颗粒的表面上结晶。
The crystals of gypsum - hydrous calcium sulphate - are about half a metre in length.
石膏水晶-含有水的硫酸钙-大约半米长。
Influence of Crystal Modifier on Morphology and Strength of α-Hemihydrate Gypsum Prepared by Desulfurization Gypsum
转晶剂对脱硫石膏制备α-半水石膏形貌及强度的影响
The Conversion、Modification and the Solubility Study of Flue Gas Desulfurization Gypsum at Atmospheric Pressure
常压下脱硫石膏的转晶、改性及溶解度研究
Gypsum and anhydrite
GB/T5483-1996石膏和硬石膏
1.15 At least 80 tons Barite should be kept on hand at rig.
平台上必须储备至少80吨的重晶石粉。
Modification of Polypropylene Composite Containing Potassium Titanate Whisker and Talcum
钛酸钾晶须及滑石粉复合增强聚丙烯
Research on Preparation and Trans-crystal Technology of α- Hemihydrate Flue Gas Desulfurization Gypsum with the Hydrothermal Method
水热法α-半水脱硫石膏制备工艺及转晶技术研究
limestone-gypsum handling system
石灰石／石膏处理系统
Status of phosphogypsum quality and five aspects should be noted in its utilization
磷石膏的质量现状及综合利用中须注重的五个方面
Studies on Preparation and Formation Mechanism of Aragonite Calcium Carbonate Whisker;
文石型碳酸钙晶须制备工艺及其形成机理研究
Studies on the Preparation of Uniform Aragonite Whisker and Mechanism of Crystal Growth;
均一文石相碳酸钙晶须的制备与生长机理研究