用沸石和膨润土替代部分饲粮饲喂蛋鸡试验

试验同时用沸石和膨润土替代等量饲粮饲喂蛋鸡。结果表明，用3％沸石粉＋2％膨润土粉替代5％的饲料，蛋鸡的产蛋总数和平均蛋重都高于用不添加天然矿物的饲粮饲喂的蛋鸡，与用3％沸石粉替代等量日粮饲喂的蛋鸡差别不大，但由于天然矿物添加量增加，可进一步降低饲料成本。     

改性膨润土吸附剂的制备及对苯酚的吸附性能

采用AlCl3改性膨润土制备含苯酚废水吸附剂。研究了AlCl3投加量、焙烧温度对吸附剂性能的影响，探讨了改性膨润土用量、接触时间、溶液pH、改性膨润土投加方式等对改性膨润土吸附苯酚的影响。结果表明，经过改性和450℃焙烧的改性膨润土对苯酚的去除效果优于原土和活性炭，在原水苯酚浓度为200mg／L、pH=8．5、接触时间为30min、改性膨润土投加量为4g/L时，对苯酚的去除率可以达到92．2％；采用分批投药的方式，苯酚去除率可达99．7％。     

天然及改性膨润土对重金属废水处理效果的试验研究

研究了膨润土及改性膨润土对水中Pb^2＋、Cu^2＋的吸附作用，改性膨润土的吸附效果明显优于天然膨润土。废水在吸附温度为30℃，pH为6，Pb^2＋、Cu^2＋的初始浓度25mg／L，吸附剂的用量为15g／1，吸附时间45min的条件下，改性膨润土对Pb^2＋、Cu^2＋去除率分别达到97．3％和98．2％，吸附后Ph^2＋、Cu^2＋残留浓度低于国家规定的排放标准。     

沸石、凹凸棒石黏土对肉鸡生产性能、免疫指标和肠道形态的影响

360羽1d龄AA肉鸡随机分成3组,即饲喂基础日粮的对照组及在基础日粮中分别添加5%沸石和5%凹凸棒石黏土（凹土）的试验组。结果表明：与对照组相比,沸石组肉鸡前期生产性能显著降低,后期和全期的生产性能无显著影响;凹土组全期的生产性能无显著影响;但均能降低单位增重成本。沸石组肉鸡后期脾脏指数提高16.8%、胸腺指数显著提高;凹土组后期胸腺指数提高26.3%。并且沸石和凹土对肉鸡后期免疫功能和空肠形态具有改善作用。     

对钙基膨润土钠化改型研究

以三台膨润土原矿为原料，用挤压钠化法对钙基膨润土进行改型，本次实验钠化剂分别采用Na2CO3、NaOH、NaCl和复合钠化剂，结果表明：以Na2CO3的用量为4％，加水量20％，挤压15min，陈化时间在5～7天进行钠化改型，效果显著。     

冶金球团用膨润土半干法钠化改性试验

以阜新某钙基膨润土为原料,采用半干法对其进行钠化改性试验,并考察了改性前后膨润土对所制备球团性能的影响。结果表明:在Na₂CO₃添加量为2.5%、补加水量为25%、挤压次数为2次条件下,改性后膨润土的膨胀容和胶质价分别由原土的8.3 mL/g和1.1 mL/g提高到55 mL/g和5.2 mL/g。在母球生成时间为2 min、母球长大时间为15 min、生球紧密时间为3 min条件下,钠化后膨润土添加量为1.7%时所制备球团的各项指标均高于原土添加量为2.0时所制备球团的指标。钠化后膨润土添加量为1.7%时,生球的落下强度为4.1次、爆裂温度为510 ℃、抗压强度为9.70 N/个,可以满足冶金用球团的需要。采用半干法制备钠化膨润土可以有效降低生产冶金球团时膨润土的添加量。     

膨润土酸活化废酸水连续应用研究

传统湿法生产活性白土．系用一定浓度的硫酸去活化膨润土．整个工艺过程耗酸2％～3．5％．剩余的酸浓度为15％～16％的废酸水则直接排放，污染了环境。经试验，废酸水虽含有一些金属离子．但和酸度3％～5％的一漂酸水可重复利用。废酸水连续使用二次．产品质量与传统法的基本相当，但可节水、节酸．又可保护环境。     

沸石及凹凸棒石黏土对铅、镉在肉鸡肌肉和肝脏中残留的影响

试验选用1日龄AA肉用仔鸡240羽,随机分为4组,每组设6个重复。分别饲喂基础日粮或基础日粮中分别添加了5%沸石、5%凹凸棒石黏土(凹土)、5%改性凹土的试验日粮,以研究沸石、凹土及改性凹土对重金属铅、镉在肉鸡肌肉和肝脏中残留的影响。结果表明:与对照组相比,日粮中添加沸石、凹土,明显降低了重金属铅、镉在肌肉中的沉积,但对肝脏中铅、镉含量影响不大;日粮中添加改性凹土,能明显降低铅、镉在肉鸡肌肉和肝脏中的沉积。     

改性膨润土载体复混肥对玉米的增产效应

改性膨润土载体玉米专用复混肥是由膨润土分别与尿素、硫酸铵、磷酸一氨、氯化钾等按一定的比例混合，经过特殊的生产工艺制成。三年的田间试验表明，改性膨润土载体玉米专用复混肥具有显著的增产效果，比施用普通肥料增产6．9％；改性膨润土载体玉米专用复混肥利用率51．1％，等养分量普通肥料利用率35．6％。施用改性膨润土载体玉米专用复混肥比等养分量普通肥料利用率提高15．5％。     

改性膨润土对黄磷废水的深度处理

探讨了经Al^3改性的膨润土对含磷废水的吸附性能。考察了反应的pH值、温度、时间、吸附剂的用量等因素对改性膨润土吸附性能影响．结果表明：含1．0％ Al^3的改性膨润土对磷有较强的吸附去除作用。在pH=9及300r／min条件下搅拌吸附40min，当Al^3改性膨润土的用量为5g／L时，对13mg／L的含磷废水的吸附量达23．4mg／g；对含磷量不大于11mg／L的废水，其去除率大于95．5％，废水中剩余的磷含量小于0．5mg／L，达到了我国废水综合排放的一级标准。     

Market and recycling of NiMH battery

<正>Market status and future trend of NiMH battery1.Global market of small NiMH battery Global market size of small NiMH batteries declined year on year since 2011.The trend will continue to 2018,at the rate of 5%to 10%annually.Demand for small NiMH batteries will be stable gradually.Many electrical apparatuses are powered by the built-in lithium battery today,which is the main reason for the shrunk market of small NiMH batteries.But,for some products,small NiMH     

China rare earth market review

正September 1-10,2014 Affected by the National Day holiday,rare earth transaction was stagnant and the market showed a weak steady state.As there was no good news for downstream market,some products with flat demand would likely rally slightly for some time to     

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     

2014 second batch of rare earth quota released

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