沸石在水处理中的应用

主要介绍了沸石的工艺特性及其在水处理中的应用。沸石的吸附、离子交换等特性使其可用于去除废水中的氨、氮、重金属等污染物。我国及江西省沸石矿产资源相对丰富,价格相对低廉,广泛开发利用沸石处理废水,具有广阔的应用前景。     

膨润土和沸石的改性及其在有机废水处理中的应用

论述了我国有机废水的来源，膨润土和沸石及其改性产品的物理化学性能，膨润土和沸石及其改性产品在有机废水处理中的开发现状与应用前景。     

天然沸石加工与改造技术的现状及应用前景

本文阐述了对天然沸石实施加工与改造的意义及其研究内容，从选矿提纯、超细粉碎、化学增白和以天然沸石为原料改型与合成沸石几方面回顾了天然沸石加工与改造技术的研究现状，并对其在应用上的一些问题提出了见解。     

膨润土和沸石的改性及其在废水处理中的应用

论述了我国含氮、磷、氟及重金属离子废水的来源，膨润土和沸石及其改性产品的物理化学性能，膨润土和沸石及其改性产品在处理含氮、磷、氟及重金属离子废水中的开发现状与应用前景。     

天然沸石在环境污染治理中的研究现状和发展趋势

天然沸石在环境保护领域中的应用研究已成为近年来非金属矿物材料研究的热点之一。在简述中国天然沸石资源概况及其主要物理性能的基础上,对近年来天然沸石在空气净化、水污染处理、除臭抗菌、固体废弃物处理和催化剂载体等环境污染治理中的应用研究现状进行综合评述,并探讨其发展趋势,认为寻找将沸石的吸附作用与其他技术相结合处理污染水源,探讨沸石处理各种水源的最佳工艺条件和参数,确定合理的沸石再生方法以及天然沸石的复合加工,是今后沸石在环境保护领域开发利用中的主要发展趋势。     

NaA型沸石的合成及其在洗涤剂中的应用

A型沸石是合成的沸石产品,因其成分和结构与天然沸石矿物类似,且其硅(铝)氧骨架向的孔隙有效直径是级,故称A型沸石。根据此数值的不同,又分为3A(即KA)、4A(即NaA)和5A(即CaA)等系列。本文就NaA型沸石的合成及在洗涤剂中作助洗剂应用的现状及其前景进行了综述。     

天然斜发沸石除重金属离子铅再生剂的选择及应用条件的确定

对潍坊涌泉天然斜发沸石吸附废水中重金属离子铅及其再生剂的选择和应用务件进行了研究,结果表明NaCl为最佳再生剂.静态再生试验得出再生剂的最佳应用条件.动态试验表明.再生沸石具有较强的铅离子吸附能力,可以多次再生循环利用.     

辉沸石的吸附与离子交换性能的研究

本文以广西辉沸石为原料,讨论了辉沸石的吸附性能及其影响因素,结果表明辉沸石可以代替硅胶、活性炭作为吸附剂和干燥剂;经过改型,辉沸石的离子交换性能加强了,在此基础上,制备了双金属抗菌沸石,结果表明抗菌沸石中的铜锌金属离子具有协同的抗菌效果。     

改性天然沸石制作P型沸石洗涤助剂研究

天然沸石经无机酸改型为氩型活性沸石后,再经偏铝酸钠和氢氧化钠控制配方中的SiO_2/Al_2O_3,即可获得具有正立方体心相的P型沸石。这种洗涤助剂具有良好的助洗性能,以此配方制成的洗涤剂,去污性能好、生产成本低。本文介绍了P型沸石洗涤助剂制备的适宜工艺条件及其在洗涤剂生产中的应用。     

有机沸石处理含铬废水的试验研究

用十六烷基三甲基溴化铵改性沸石，研究了制备有机沸石的适宜条件及其对吸附重铬酸根阴离子性能的影响。结果表明，在25℃、pH＝6、有机沸石投加量25g／L条件下，可使水中重铬酸根阴离子的去除率达到98％。通过X－衍射以及绘制平衡吸附等温曲线，探讨了有机沸石的结构及其吸附机理。     

Current situation and future trend of China rare earth luminescent materialindustry(continued)

<正>Developing ecological lighting source The world is facing the big problem of energy shortage today and the contradiction between economy development and environmental protection is worsened.Therefore,people are more likely to choose an ecological light source that is more energy efficient and environmental friendly.The choice provides great opportunity for the development of rare earth optical material industry in China.The concept of green lighting positions rare earth luminescent material as a leading player in illumination market.The light source of both rare earth luminescent lamp and LED lamp is ecological and energy saving.This is why     

Galaxy Magnets achieved the net profit of 34.02 million yuan in the first six months of 2014

正Galaxy Magnet announced its financial results for the first half of 2014 on August 14.For the first six months ended on 30 June 2014,Galaxy Magnet achieved operation income of RMB 182.3 million,up8.40% over the same period of 2013,and the net profit attributable to the shareholders of the listed company of 34.02 million yuan,increasing 35.49% over the same period of last year.Stable performance increase was led by development of new customers and application market of magnets.     

Rare Earth Application in Steel in China

<正>China has rich rare earth resources.Output of rare earth and steel in China ranks the top first in the world.However,there is still certain distance between the steel produced in China and developed countries from the point of varieties and quality.China still has to import some types of steel.Improving the quality should be emphasiZed in future development of steel industry in China.Rare earth can be used to upgrade traditional steel     

China rare earth market review

正November 21~30,2014Due to weak demand from downstream industries,transactions of rare earth in Chinese domestic market were inactive.It was difficult to sell any rare earth products except for dysprosium oxide and terbium oxide.Suppliers lost confidence in recent market.Demand for rare earth products was soft.Consumers continued to take a wait-and-see attitude.Rare earth export market remained slow.     

稀散金属产业的观察与思考

分析了近年来国内外稀散金属产业的生产、应用、资源与市场状况.铟锡氧化物靶材、砷化镓晶片、锗红外材料、铼高温合金和硒在电解锰及玻璃的应用等已成为稀散金属的主要应用领域.稀散金属的产量快速增长达到历史高位而导致了市场的失衡.以GaInP_2/GaAs/Ge,CIGS和CdTe为代表的非硅系太阳能电池是稀散金属的新兴应用领域,将给稀散金属带来日益增长的需求.     

Current situation and future trend of China rare earth luminescent material industry

<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth     

China rare earth market review

正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products     

Brief news

正Corun invested another 50 million yuan in power battery for HEV Hunan Corun announced on 27 June that they had signed the cooperation agreement to jointly built Corun(Shaoxing)Autos Power Battery System Co.,Ltd.in Shaoxing Binhai New City.According to the announcement,total registered     

铜熔炼中锍品位对杂质元素分配行为的影响

借助于多相、多成分系统中平衡计算的手段，开发出微量元素砷、锑、铋及伴生元素铅、锌等在铜熔炼中分配行为的计算机模型。利用该模型对铜熔炼过程进行计算机模拟，分析了冰铜品位对砷、锑、铋、铅和锌等杂质元素的分压、活度系数及它们在冰铜、炉渣和气相中分配率的影响，并讨论其热力学分析结果对生产实践的指导意义。     

New energy vehicle:an opportunity for rare earth magnets

<正>Extracted from Securities Guide 1.Popularity of new energy vehicles—an irresistible market trend1.1 Progress of new energy vehicles Chinese Premier Li Keqiang said recently on a visit to Xi'an BYD Autos that new energy vehicles,especially new energy bus,can lessen environment and noise pollution.He encouraged the use of new