Taking the calcium bentonite clay as raw material, the organic bentonite clay was prepared by CTMAB after the sodium transition of sodium carbonate. 以钙基膨润土为原料,经碳酸钠钠化转型后,用溴代十六烷基三甲胺进行有机包裹制备有机膨润土。
Development of Xinjiang calcium base bentonite 新疆夏子街钙基膨润土的高附加值开发
However, the reserves of calcium bentonite is low and the surfactants are expensive, which bring many difficulties to industrialization. 然而,钠基膨润土的储量低,阳离子表面活性剂的价格又比较高,这给有机膨润土的工业使用带来了一定的困难。
Calcareous Bentonite can be activated through ion-exchange, in that sodium ions replace the calcium ions in the calcareous Bentonite, and be formed sodium activated Bentonite, which possess a improved characteristic of cast technic. 通过离子交换,使钠离子代替钙基膨润土中的钙离子,而使钙基膨润土钠化成为钠化膨润土,从而改善膨润土的铸造工艺性能。
The CEC of calcium base bentonite can be increased by 26.7% with Na2CO3, the viscosity of organobentonite is 0.84Pa · s. Na2CO3作为改型剂使钙基土的CEC(阳离子交换容量)提高了26.7%,钠化改型后所制得的有机土的粘度达到0.840Pa·s。
Sodium Modified Calcium Base Bentonite and Its Application 钙基膨润土钠化改型及其应用
Effect of Calcium Bentonite on Growth Performance of Meat-Type Ducks 日粮中膨润土的使用对肉鸭生产性能的影响
In order to improve the ballability of iron ore concentrates of Kun-Steel, the effect of calcium bentonite and sodium bentonite on the ballability of iron ore concentrates were compared in this paper. 为改善昆钢铁精矿的造球性能,对昆钢球团添加钙基膨润土和钠基膨润土进行了对比试验。
The adsorption effect of the organobentonite on metallic ions in wastewater was better than that of calcium base bentonite. 有机膨润土对于金属离子废水的吸附效果优于钙基膨润土。
The study of purifying calcium-based bentonite 絮凝法提纯钙基膨润土的研究
The application of sodium modified calcium base bentonite in building coating would not only improve the coating property but also decrease the production cost of the coating. 将钠化改型的钙基膨润土直接用于建筑涂料中,不但能明显地改善涂料的性能,而且可大幅度地降低涂料的生产成本。
Meantime, the study of the modification of calcium bentonite was made. 同时,对钙基膨润土人工钠化进行了研究。
Calcium montmorillonite ( Ca-M) was prepared by purifying LeXi bentonite with wet method two times. After purification, sodium modification of Ca-M was studied. 然后,本文以莱西膨润土为原料,用二次湿法提纯了-2μm的钙基蒙脱石(Ca-M),对其进行了钠化改型研究;
Therefore, by choosing suitable type of binder, or blending calcium bentonite and sodium bentonite in proper proportion can improve the properties of green pellets. 因此,在造球生产过程中通过选择钠基或钙基膨润土,或通过两种膨润土搭配,可制备出综合性能优良的球团矿。
A large calcium bentonite mine is found recently in Nanhai Guangdong. It is first in Guangdong that the bentonite mine is used synthetically. 广东省南海膨润土矿是近年发现的大型钙基膨润土矿,是广东省首个被综合开发利用的膨润土矿。
Volcanic-related deposit may reflect the high-temperature environment; calcium deposit, copper deposit, bentonite reflect the arid~ semi-arid climate. 火山相关沉积可反映高温环境;钙质沉积,含铜沉积、膨润土反映干旱~半干旱气候。
The slow-release oxygen fertilizer use calcium peroxide as the core, sodium bentonite as filling materials, polyvinyl formal as adhesive. 以过氧化钙为核心,钠基膨润土为填充材料,聚乙烯醇缩甲醛为粘合剂。