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1)  Phosphogypsum [,fɔsfə'ɡipsəm]
磷石膏
1.
Discussion about Pretreatment and Resource Recovery of Phosphogypsum;
磷石膏的预处理及其资源化途径
2.
Disposal standard of phosphogypsum and tentative disposal ideas for the gypsum stack;
磷石膏处置标准与磷石膏堆场处置设想
3.
Experiment study on the production of sulfuric acid integrated with cement by new reducing agent from phosphogypsum raw material;
磷石膏生产硫酸联产水泥用新型还原剂的实验研究
2)  phosphorous gypsum
磷石膏
1.
Study on the palletizing process for the use of phosphorous gypsum as cement retarder;
磷石膏作水泥缓凝剂及其成粒工艺研究
2.
Experiment on the utilization of phosphorous gypsum as cement retarder;
改质磷石膏作水泥缓凝剂的试验
3.
Preparation of iodide ion-selective electrode and its application on the detection of iodine content of phosphorous gypsum;
自制碘离子选择性电极及磷石膏中碘的测定
3)  ardealite
磷石膏
1.
Feasibility Study on Application of Ardealite in Rural Road Pavement Construction;
磷石膏应用于农村公路路面建设的可行性研究
2.
Research on Performance of Fly Ash-Cement with Ardealite
磷石膏二灰碎石性能研究
3.
By using ardealite as the base material,with admixture of composite materials such as fine slag powder and cement,experiment was conducted in laboratory for the process recipe,such that the gypsum product has reached the softening coefficient of waterproof products,and is applied in practice.
应用磷石膏为基料,掺加矿渣微粉、水泥等复合材料,在实验室进行工艺配方试验,使石膏制品达到防水产品的软化系数,并将其应用于实践。
4)  Phospho gypsum
磷石膏
1.
The application of waste polystyrene and Phospho gypsum on the panels with interior insulating layer for external walls is described in the article.
介绍废聚苯乙烯泡沫塑料、磷石膏在外墙内保温板中的应用,该产品的生产工艺、产品规格、技术性能、使用安装及经济效益分析。
2.
The field experiment was executed to investigate after effect of phospho gypsum in acid yellow soil from 1998 to 2000.
3年磷石膏后效观察试验结果表明 :磷石膏在黄泥土上增产作用有明显的后效 ,但土壤和施用量不同 ,持续时间不一样。
3.
The field trial was carried out to investigate the effect of applying phospho gypsum to rape from 1997 to 2000.
6 8的微酸性黄泥土上 ,施用磷石膏 2 5~150 kg/ 6 6 7m2的 6个处理 ,对油菜作物均有明显的增产、增收作用 ,可提高土壤中有效 N、P、K、S的含量 ,产投比值均大于 1,尤以施用量 50~ 75kg/ 6 6 7m2的油菜籽增产量、增幅、产投比值为最高 ,分别达 6 8。
5)  phosphorus gypsum
磷石膏
1.
Effect of polished ceramic tiles flotsam and phosphorus gypsum on calcinations and petrographic configurations of Portland cement clinker;
陶瓷抛光砖废料和磷石膏对硅酸盐水泥熟料煅烧及其岩相结构的影响
2.
The production of sulphoaluminate cement clinker with phosphorus gypsum as raw material;
磷石膏作原料试生产硫铝酸盐水泥熟料
3.
The mechanism of saline and alkaline soil amelioration with phosphorus gypsum was introduced.
介绍了磷石膏对盐碱土的改良机理,结合对天津经济技术开发区的盐碱地改良试验介绍了磷石膏的施用方法,并分析了其改良的效果(包括土壤的化学性质,物理性质等),得出了磷石膏能有效的对盐碱土壤进行改良,操作方便,并能提高土壤肥力的结论。
6)  Phosphate gypsum(PG)
磷石膏(PG)
补充资料:磷石膏
分子式:
CAS号:

性质:制取湿法磷酸时副产的一种含磷以硫酸钙为主的固体残渣。是一种主要的化工固体废物。国外磷石膏被利用来制硫酸联产水泥,这是磷石膏综合利用的最主要途径,不同的生产工艺可分别获得二水石膏(CaSO4·2H2O),或半水石膏(CaSO4·1/2H2O)。磷石膏除含硫酸钙以外,还含有未分解的磷矿,与石膏共晶的磷酸氢钙(CaHPO4·2H2O)、游离磷酸、酸不溶物和氟硅酸盐等。它可直接用作填充剂、盐碱性土壤的改良剂,经净化除去氟、分离出游离P2O5后可代替天然石膏作建筑材料和水泥缓凝剂,以及用作制取硫酸、水泥、硫酸铵的原料。

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