phosphogypsum相关论文
Calcium sulfate hemihydrate whiskers were synthesized successfully via one-step hydrothermal crystallization method usin......
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To reduce the negative influence of organic substance and P2O5 on crystal lattice, phosphogypsum was calcined into anhyd......
In India, Phosphogypsum is currently generated over 7 million tonnes as an industrial waste during phosphoric acid manuf......
The paper is about researching of a new binder filling material by the main raw material of phosphogypsum(PG).This paper......
Phosphate minerals have been identified as significant unconventional rare earths resources....
Phosphogypsum(PG)is becoming a huge liability for the global phosphate industry both economically and environmentally.Th......
Elemental distribution in depth as well as their fractionation related to particle size, in phosphog
Phosphogypsum is a by-product obtained in the production of phosphoric acid,where a sedimentary phosphate rock is used a......
Can we rehabilitate a phosphogypsum stack to a new use that is environmentally safe,financially robust and which adds an......
Distribution of Naturally Occurring Radionuclides and some of Toxic Metals Contamination in Soils Re
Prior to this study,phosphogypsum (PG) stockpiles at the Eshidiyamine in Jordan were thought to be potentially enriched ......
Phosphogypsum is classified as NORM and one of the main environmental concerns of its use is the radon exhalation from t......
Enhanced removal of hexavalent chromium by engineered biochar composite fabricated from phosphogypsu
Heavy metals are critical contaminants in industrial wastewater,which are potentially harmful to human health and ecolog......
Insight into the effect of maleic acid on the preparation of α-hemihydrate gypsum from phosphogypsum
The control of crystal morphologyis crucial to preparation of α-hemihydrategypsum(α-HH).α-HH was prepared from phosph......
Experimental and numerical simulation of lignite chemical looping gasification with phosphogypsum as
Phosphogypsum (PG) is a solid waste produced in the wet process of producing phosphoric acid.Lignite is a kind of promis......
Immobilization and leaching characteristics of fluoride from phosphogypsumbased cemented paste backf
Phosphogypsum(PG)is a typical by-product of phosphoric acid and phosphate fertilizers during acid digestion.The applicat......
Thermodynamic Analysis on Recycle of One Kind of Solid Low Chemical Potential Substance--Taking Phos
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Laboratory Evaluation for Utilization of Phosphogypsum through Carbide Slag Highly-Effective Activat
Carbide slag was used as an activator to improve the activity of anhydrous phosphogypsum.Carbide slag could greatly impr......
Immobilization and leaching characteristics of fluoride from phosphogypsum-based cemented paste back
Phosphogypsum (PG) is a typical by-product of phosphoric acid and phosphate fertilizers during acid digestion. The appli......
通过对水泥的物理性能实验和采用差热分析（ＤＴＡ）、Ｘ－射线衍射（ＸＲＤ）、扫镜电镜（ＳＥＭ）现代测试方法对磷石煅烧前后的结构及水泥水化产物的变化分别进行测......
以磷石膏和磷石膏不同分解产物(含CaSO4和CaS)为原料,采用微波消解,考察了消解压力、HC1浓度、消解时间对样品中硫酸钙溶出率的影......
The phosphogypsum particles coated with organic emulsion were prepared by coating three kinds of organic emulsion of sil......
利用工业固废磷石膏热活化天然钾长石矿化CO2是一种减排CO2、消除工业固废并联产高价值硫酸钾的新方法.通过耦合热活化钾长石及CO2......
Reduction of the high alkalinity of bauxite residue is a key problem to solve to make it suitable for plant growth and c......
Investigation of Al2O3 and Fe2O3 transmission and transformation during the decomposition of phospho
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
研究了以Ca-Mg-K复合盐溶液为转晶体系中pH及Ca2+浓度对磷石膏常压水热法制备α-半水硫酸钙的影响.通过测定反应中固、液两相组成......
利用磷肥厂副产的磷石膏为原料,将大块物细碎后经不同溶剂洗涤再干燥磨粉,与一定量的活性炭混合均匀后在800～900℃的高温马弗炉中煅......
Distribution and mode of occurrence of radionuclides in phosphogypsum derived from Aqaba and Eshidiy
Phosphogypsum (PG) is a by-product of the chemical reaction called the “wet process” whereby sul-phuric acid reacts wi......
采用微波加热,玻璃砂芯坩埚抽滤,微波干燥酸不溶物沉淀和坩埚,测定了磷石膏中酸不溶物的含量.结果表明,该法准确、快速,节能环保,......
磷石膏是湿法磷酸生产的固体废弃物,其有效利用对资源与环境产生重要影响.通过双极膜电渗析技术处理磷石膏,尝试将磷石膏制备成硫......
以硫酸钙（分析纯）、磷石膏为原料，水热法制备硫酸钙晶须，实验考察了Fe3+对晶须性能的影响。通过扫描电子显微镜（SEM）、X射线衍射仪（XRD）、......
磷石膏加热时间的不确定性问题制约了磷石膏的研究与利用,本文对磷石膏的处理采用微波加热的方法,并通过MATLAB曲线拟合技术对实验......
采用经水洗、浮选、筛分处理后的磷石膏,通过蒸压法制备α-CaS04·0.5H2O.以蒸压温度、蒸压时间及料浆含水率为因素,进行3因素3水......
利用磷石膏和磷渣可配制出性能优良的矿山充填料,提高矿山资源的综合利用率,防止山体崩塌开裂,同时综合利用了工业废渣,减轻环境污......
阐述了磷石膏中的杂质对纸面石膏板生产的影响,对比了陈化、水洗、石灰中和、筛分等预处理工艺的效果和存在的问题,开发了一种应用......
阐述近年来磷石膏综合利用的新态势,包括综合利用量、利用率逐年提高,综合利用途径更趋合理,涌现出一批综合利用较好的典型企业,联......
介绍利用磷石膏生产广场砖和轻质隔热砖的原理、流程、规模和市场预期。两种产品经国家相关检验机构检验,其放射性及使用性能均达......
针对大型山谷型干法磷石膏堆场自上而下堆积方式,分析了堆积作业体边坡高度与山谷坡度、胶带机转运条件的制约关系,通过对作业体边......
以磷石膏为原料,二水合硫酸钙、硫酸镁、甘油为添加剂,采用水热法合成硫酸钙晶须,考察了料浆含量、反应温度、反应时间、体系pH等......
针对目前磷复肥企业磷石膏堆存常用的湿排湿堆及千排干堆方法所存在的诸多弊端，提出采用湿排干堆，并介绍其工艺运行情况及优势，有效规......
Releases of phosphate fertilizer industry in the surrounding environment: Investigation on heavy met
Distribution of Cu,Zn,Pb,Cr,Ni,Mn concentrations and the activity of polonium-210 in the surrounding area of a phosphate......
系统梳理了近年来我国磷石膏产排现状、资源化利用现状、矿物学特性、资源化利用途径,针对磷石膏资源化利用中在预处理技术、产地......
将河道淤泥替代石硝并外掺一定量的磷石膏制备免烧砖,研究了免烧砖的含水率、吸水率、密度、收缩率、软化系数、抗压强度、抗冻性......
针对硫酸法湿法磷酸生产副产的磷石膏,研究了用其生产β型半水石膏粉的工艺流程。分析了目前常用的工业副产石膏生产工艺,结合磷石......
为解决醇水法以磷石膏为原料制备α-半水石膏醇耗量大、反应时间长等问题,采用丙三醇、硝酸锌、硫酸钾的醇盐反应体系,以N-[3-(三......
根据磷石膏、粉煤灰和活性污泥三种固体废物的理化特性优势互补，将三者按不同比例制成12种人工改良、改性土壤，旨在筛选出适宜绿化植......
磷石膏是湿法磷酸生产中的副产物之一。本文介绍了磷石膏中所包含杂质的种类和影响。杂质可划分为磷杂质,氟杂质,有机物杂质和其他......
将工业废渣磷石膏与粉煤灰用于钻井废泥浆固化处理,它们在水泥和生石灰的激发作用下发生水化硬化反应,形成具有多孔骨架吸附能力的......
利用工业废渣磷石膏替代天然石膏作油井水泥的缓凝剂，对不同熟料细度及不同磷石膏掺量对G级高抗油井水泥强度及抗硫酸盐侵蚀等性能......
