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- Effect of Calcined Phosphogypsum on Durability of Mineral Admixture Concrete 煅烧磷石膏对含掺和料混凝土耐久性的影响
- calcined phosphogypsum 改性磷石膏
- Phosphogypsum is calcined into anhydrite at high temperature and can be used as the raw material of compound silicon cement and then made into floor gypsum. 将磷石膏在高温下煅烧成无水硬石膏,在合适的激发剂作用下,使之达到复合硅酸盐水泥质量要求,即制成地板石膏;
- The limestone must be calcined in such a way. 石灰石必须煅烧到这样地步。
- The crumbly residue left after a mineral or metal has been calcined or roasted. 金属灰，矿灰矿石或金属受烘烤或锻烧后剩下的易碎残余物
- Utilization and research progresse s of phosphogypsum are introduced. 介绍磷石膏的利用情况和研究进展。
- The new process of comprehensive utilization for phosphogypsum was presented. 提出了磷石膏综合利用新工艺。
- The calcined trona can replace soda ash for use in the flotation operation. 经过煅烧的天然碱可以在浮选作业中代替纯碱使用。
- The BET specific surface area reaches 477.7 m2? g-1 for NiO calcined at 523 K. 结果表明;在523K下焙烧得到的氧化镍BET比表面达到477.;7m~2·g~(-1)
- For high sulfate calcined cinder,wet metallurgical method can be used to r... 铁的选矿采用强磁选和重-浮联选可以获得较好指标。
- To produce 60,000 tons of super minuteness calcined Kaoline per year. 年产超微细煅烧高岭土60000吨。
- Study on utilizing desulphurization gypsum and phosphogypsum to produce self-leveling materiel wan carried our. 摘要采用缎烧法和燕压法对化学石膏进行处理，研究了处理温度和外加剂对石膏性能的影响。
- Phosphogypsum can be used in products for which color is not so important, as in wallboard and cement. 磷石膏可以用在不怎么讲究色泽的产品中,象墙板和水泥。
- According to DSC(differential scanning calorimetric curve)of phosphogypsum, the calcine test condition was determined. 根据磷石膏的差热分析结果，确定其煅烧的试验条件，通过煅烧温度、升温速度、保温时间等试验，确定了煅烧温度为180℃、升温速度为4.;7℃/min、保温时间为2h时的抗折强度最高。
- The process solves the failure to making full use of calcium in phosphogypsum, and utilizes the resources reasonably. 该工艺解决了磷石膏中的钙无法充分利用的问题，充分合理地利用了资源；
- The main products: phosphogypsum building blocks, cement-coagulation agents, gypsum powder, plaster bonding agent. 主要产品：磷石膏建筑砌块、水泥调凝剂、石膏粉、石膏粘接剂等。
- Phosphogypsum lightweight wall-bricks were prepared by the approach of pretreatment and the casting moulding. 研究磷石膏的预处理方法和浇注成型法制备磷石膏轻质墙体砖。
- Adding phosphogypsum into first grade SSP will yield no negative effects in physical properties and conversion rate. 将磷石膏直接掺入过磷酸钙一级品中,或者直接掺入过磷酸钙的鲜肥中,不会影响产品的质量、转化率、物性。
- Organic impurities are sometimes present to such an extent that the rock must be calcined to remove them. 有时候矿石中存在有机杂质甚多，以至必须将矿石进行煅烧以消除之。
- Optimum calcining technology parameter from phosphogypsum to plaster of paris is determined. 确定了磷石膏的最佳炒制工艺参数。
