除铁

还原桃红R除铁的研究

Study on Iron Ion Removing by Using Pink Vat Dye R

pH值对地下水除铁除锰影响机理的研究

Effects of pH value on removal of iron and manganese from groundwater

pH值对地下水除铁效果的影响

The Influence of pH Value on De-ferrous Effect of Groundwater

低pH下饮用水生物除铁试验研究

Experimental research of biological removal of iron in drinking water under low pH condition

用N（235）-TBP混合体系从硫酸盐溶液中协同萃取除铁

Removal of Fe (ⅲ) from sulphate solutions by synergistic extraction using N_ ( 235 ) - TBP mixed solvent systems

生物除铁技术是利用铁细菌对Fe（Ⅱ）的快速氧化性能而达到除铁目的。

The technology of biological iron removal is to make use of iron bacteria to oxidize and remove Fe (ⅱ) .

V2O3原料系统中MFe走向研究及除铁措施

Metallic iron distribution in v_2o_3 material system and measures to remove iron

湿法冶金（包括Zn、Mn、Cu、Ni、Co等）除铁的几种主要方法

Studies on Several Important Methods of Fe Removal from ( Zn , Mn , Cu , Ni and Co ) Hydrometallurgy

地下水除铁除锰方法主要有：加碱调pH值、强氧化剂氧化法、离子交换法、臭氧氧化法、磁分离法等。

Main methods of Fe2 + and Mn2 + removal in groundwater included alkalinization , oxidation , ionic exchange , ozonation and magnetic separation et al .

SiO2粉末浮选除铁研究

Study on removing Fe from SiO_2 by flotation

HLR、DO和pH值对滤池除铁有较大的影响；

HLR , DO and pH value had greater influences on iron removal of the filter bed .

煤矸石合成4A沸石过程中除铁方法的研究

Investigation on Methods of Removing Fe in the Synthesis of 4A Zeolite from Coal Gangue

国内外湿法冶金中常采用黄钾铁矾法或针铁矿法等方法除铁，硫化沉淀法分步沉淀或较高pH条件下萃取分离镍、钴，不适用于常温、较低pH的生物浸出液。

Iron was precipitated by the formation of jarosite or goethite . And sulfide precipitation or extraction of nickel and cobalt at high pH were used in the hydrometallurgy at home and abroad .

X射线荧光光谱法测定铁矾土中二氧化硅、氧化铝和氧化铁高硅矿对高温高酸&黄钾铁矾除铁工艺的影响和处理实践

Determination of silicon dioxide , aluminum oxide and ferric oxide in laterite by X-ray fluorescence spectrometry Impact of high silica mine on high temperature-high acid iron removal process by jarosite and the practice

利用除铁用锰矿砂（PGM）为处理剂进行罗丹明B与甲基橙模拟废水的静态脱色试验，并与粉末活性炭（PAC）进行对比。

Manganese ore ( PGM ) and powder active carbon ( PAC ) are used in static experiment to decolorize dyestuffs Rhodamine B and methyl orange wastewater .

当滤速小于12m／h时，滤柱接触氧化除铁效果良好，出水含铁量为痕量；

When filtration rate was 12m / h , the effect of iron removal by contact oxidation was better , and the effluent iron content was at trace level .

DMG型电磁脉动高梯度磁选机用于红柱石除铁的研究及实践

Research and Practice of DMG Electromagnetic Pulsating High Gradient Magnetic Separator in Iron Removal from Andalusite

实验考察了在氯盐体系中氧化剂用量、反应温度、反应pH值、反应时间等因素对除铁效果的影响。

In chloride system the effects of many factors , such as quantity of oxidizing agent , temperature of reaction , pH value , time of reaction , on iron removal were explored and optimum condition of iron removal process was obtained .

最后初步探讨生物除铁除锰滤池对砷的去除机理，研究方法采用生物除铁除锰滤柱配合XPS分析。

The last is mechanism of biological iron and manganese removal filter application on arsenic removal , the research measure is biological filter column combine with characterization of biological precipitation products performed by XPS .

Al-Si-Ti合金除铁工艺研究

Investigation on Iron Removal in Al Si Ti Alloy

结果表明，生物滤层除铁除锰不需要高溶解氧，也不需要通过散除CO2来提高原水的pH值，相反CO2可作为微生物繁殖代谢的碳源。

The results show that neither high level of DO nor CO 2 dissipation in raw water is required for iron and manganese removal in biofilter bed , but rather CO 2 can be used as carbon source for microbial metabolism .

高效生物除铁除锰工程菌MSB-4的特性研究

A Highly Effective Engineering Strain MSB-4 for Biological Removal of Iron and Manganese

用H2O2从除铁浸出液中沉淀铀，用MgO浆体调节铀沉淀过程的pH值至3.5，沉铀尾液可用于洗涤浸出尾渣的滤饼。

H2O2 is then used to precipitate uranium in the leach liquor free of iron , and the pH of process for uranium precipitation adjusted by adding MgO slurry to 3 . 5 . The barren solution can be used to wash the filter cakes of leach tailing .

通过扫描电镜、能谱和XRD分析，对其除铁锰机理进行了探讨，提出该滤料除铁锰的机理是通过改性使其表面形成了活性滤膜的自催化氧化作用。

Based on the analysis of scanning electronic microscope ( SEM ), energy spectrum and XRD , the removal mechanism of iron and manganese was discussed . It found that active filter membrane comes into being on the surface of filter media as auto catalyzed oxidations after modification .

本文提出在浸出液进行固液分离后，向溶液中加MnO2吸附除铁，具有MnO2矿粉消耗低，中性溶液中杂质少等优点。

The autor raises that MnO_2 is added into solution absorbing Fe ~ ( 2 + ) . This method has the advantage of low MnO_2 ore fines consumption and of a few impurity on neutral character solution .

GCG型感应辊是新开发的适用于细粒有色金属矿物除铁、非金属矿物提纯的干式高效节能型强磁选机。

GCG-type induced roll magnetic separator is a high-intensity magnetic separator which is dry , effective and energy - conserved . It is used tO remove iron from nonferrous metals , and for purifying nonmetallic minerals .

用专项技术改制的管式磨、活化环，蒸汽熟化，递进式除铁，o-sepa选粉，高频振动粉磨，PPC集料器组成钢渣微粉清洁生产工艺。

Cleaner production process of micro powder of steel slag consists of tube mill improved by special technique , active circulation , steam curing , progressive iron removal , o-sepa power separation , high frequency vibration pulverizing mill , and PPC trimmer .

当有机物的分子量大于10K时，用混凝除铁，水中残余铁的浓度低于0.30mg/L，且DOC的去除率在75%以上。混凝除铁只适宜于有机物分子量大于10K的情形。

Alum coagulation was very effective for removal of iron complexed by organic matter with molecular weight greater than 10000 and the residual soluble iron concentration decreased to value below 0.3 mg / I , in the meantime , overall DOC removal attained 75 % or above .

镍精矿氯气浸出液经除铁后，用萃取剂N235萃取净化，研究了有机相组成对除杂效果的影响；

In the experiments of purifying the solution of chlorine leaching and removing iron from nickel concentrate with N 235 , the effects of organic phase composition on purifying efficiency have been studied .

采用浸出、氧化分离式新工艺，4.5h铜的浸出率达97%，氧化除铁率97%，可实现黄铜矿浸出的综合优化。

By adopting this new separation process with leaching and oxidizing , the copper leaching rate can reach 97 % and iron removal efficiency by oxidizing reach 97 % within 4.5 hours , thus achieving overall optimization of chalcopyrite leaching .