Phosphogypsum is regarded as a resource, a product;
树立磷石膏是产品的理念；
The new process of comprehensive utilization for phosphogypsum was presented.
提出了磷石膏综合利用新工艺。
Some methods about phosphogypsum pretreatment in China and abroad are introduced.
介绍国内外对磷石膏进行预处理的各种方法。
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。
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。
With about 6% phosphogypsum, the strength of lime fly ash stabilizing phosphorous slag can be improved.
掺加6 %的磷石膏，能够提高石灰粉煤灰稳定磷渣的强度。
The process of synthesis potassium sulfate by phosphogypsum double salt method was studied and improved.
对磷石膏复盐法制备硫酸钾工艺进行了研究和改进。
This invention relates to a novel method for producing calcium sulfide from phosphogypsum or other gypsum.
本发明涉及一种用磷石膏或其它石膏生产硫化钙的新方法。
Study on utilizing desulphurization gypsum and phosphogypsum to produce self-leveling materiel wan carried our.
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。
The modified method of phosphogypsum and the application of modified phosphogypsum to cement manufacture are studied.
研究了磷石膏的改性方法及改性磷石膏在水泥生产中的应用。
The leaching of fluoride in phosphogypsum piled up in three gorge reservoir area was conducted by rotating disk method.
应用旋转圆盘法研究了三峡库区堆放的磷石膏中氟化物的浸取动力学特性。
In this study, the synthetic process of calcium carbonate from calcium chloride, which is produced from phosphogypsum, is researched.
对磷石膏综合利用产出的氯化钙制备碳酸钙的工艺进行了研究。
Therefore, the research of the phosphogypsum decomposition characteristics has important practical value and theoretical significance.
因此，开展磷石膏分解特性的研究具有重要的实用价值和理论意义。
The principle, technological process and production management of sulphuric acid and cements production from phosphogypsum are described.
介绍了磷石膏制硫酸联产水泥的原理、工艺过程及生产管理情况。
Using phosphogypsum for gypsum-based self-leveling materials' preparation has good prospects for economic benefit and market development.
用磷石膏配制石膏基自流平材料可变废为宝，具有良好的经济效益和市场开发前景。
In this paper, ammonium sulphate was prepared from phosphogypsum and ammonium carbonate, and the kinetics of the reaction process is studied.
以磷石膏和碳酸铵为原料制备硫酸铵，对反应过程的动力学进行了研究。
Impurities from phosphogypsum had deleterious effect on the property of cement when used as cement retarder, which caused limited application.
磷石膏用作水泥缓凝剂时，其中含有的杂质对水泥的性能产生不利影响，因此使其应用受到限制。
The phosphogypsum can be calcined into quality building plaster via neutralized with lime, ball milled or water washed, ball milling pretreated.
磷石膏经石灰中和、球磨或水洗、球磨预处理，可煅烧成优等品建筑石膏。
The basic property of phosphogypsum, types of impurities, and the impact of its resource utilization on the pre-treatment process are introduced.
介绍了磷石膏的基本性质、杂质类型及其资源化利用中对预处理工艺的影响。
Cement prepared with solidified phosphogypsum as retarder had similar setting time as cement prepared with natural gypsum and higher strength than them.
固化磷石膏磨制的水泥和天然二水石膏磨制水泥相比，二者的凝结时间最接近，强度有一定的提高。
The hydration product of yellow phosphorus slag includes C-S-H, in addition, the sulfate of the phosphogypsum also played a certain role in stimulating.
黄磷渣的水化反应产物存在水化硅酸钙，此外，磷石膏中的硫酸盐在激发黄磷渣活性中也起到了一定作用。
Testing results show that phosphogypsum material particle size distribution is more concentrated, graded poor, good permeability and high shear strength.
试验结果表明：磷石膏颗粒分布较为集中、级配较差、渗透性能良好且抗剪强度较高。
The ordinary portland cement of 425R type was produced by the industrial waste slags, gangue, liquid slag, phosphate slag, manganic slag and phosphogypsum.
利用工业废渣煤矸石、液态渣、磷渣、锰渣、磷石膏生产425R型普通硅酸盐水泥。
A general technical survey is made of China's sulphuric acid engineering design based on pyrite, metallurgical off gases, gypsum or phosphogypsum and sulphur.
对我国硫铁矿、冶炼烟气、(磷)石膏、硫磺制硫酸的工程设计进行全面的技术总结。
The effects of drainage clogging and dam height are most obvious, but dry beach length, permeability of phosphogypsum and anisotropic permeability are weaker.
而干滩长度、磷石膏透水性以及其各向异性等三种因素对坝坡稳定性的影响相对较小。
The results showed that phosphogypsum accelerates the salt moving down and mixed phosphogypsum had a very significant difference (P<0.01)compared to the control;
实验结果表明施用磷石膏可提高滨海盐土的脱盐速率，以混施效果最好。 与对照相比达到了极显著差异水平（P<0.01）；
The S-based NPK capacity enlargement leading to the increase of phosphogypsum in phosphoric acid production, mechanical faults occurred to the twin screw conveyor.
由于S NPK装置扩能，使磷酸生产的副产品磷石膏增加，致使输送磷石膏的双螺旋输送机常发生故障。
The storage of the by-product phosphogypsum from wet phosphoric acid production not only takes a lot of space, but also poses a severe pollution of the environment.
湿法磷酸生产副产磷石膏的堆放不仅占用大量土地，而且严重污染环境。
The storage of the by-product phosphogypsum from wet phosphoric acid production not only takes a lot of space, but also poses a severe pollution of the environment.
湿法磷酸生产副产磷石膏的堆放不仅占用大量土地，而且严重污染环境。
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