硫酸铁

利用酸洗废液制取污水处理剂聚合硫酸铁

Preparation of Polymerizing Iron Sulphate of Sewage Cleaning Anents by Acid Wastewater

对酸洗废液进行一次性处理，并制取污水处理剂聚合硫酸铁。

Through primary treatment of acid wastewater , polymerizing iron sulphate of sewage cleaning anents is prepared .

探讨了石灰-硫酸铁三级中和法处理重金属酸性废水过程中pH值的设定。

Discuss pH value enactment in treating heavy-metal acidic waste water with lime-sulphuric iron three steps neutralizing method .

聚合硫酸铁&H2O2法处理印染废水试验研究

Experiement and Study on the Method of PFS-H_2O_2 Handling the Printing and Dyeing Water

选用聚合硫酸铁作为混凝剂，分别从pH值、混凝时间和聚合硫酸铁投加量考察其对砷去除效果的影响。

Using PFS as a coagulant , from the pH 、 coagulation time and the dosage of the PFS to investigate its effect on arsenic removal .

聚合硫酸铁（PFS）在水处理中的应用

The Application of Polymeric Ferric Sulfate ( PFS ) in Water Treatment

用聚合硫酸铁处理粉丝废水是可行的，COD去除率可高达80%。

It is feasible to treat starch wastewater with PFS . The removal rate of COD can be as high as 80 % .

并通过烧杯混凝实验分析了投加量以及pH对聚合硫酸铁在粉丝废水中的混凝效果的影响。

By jar tests , the effect of the PFS dosage and the pH value of the wastewater on the coagulating efficiency of the PFS in starch wastewater is analysed .

在聚合硫酸铁投加量为50mg/L，电气浮30min时COD去除率可达95.2%。

The removal ratio of COD reached 95.2 % when the flotation time is 30 minutes .

本文进行了用硫铁矿烧渣制备聚合硫酸铁（PFS）的实验研究。

Polymeric ferric sulfate ( PFS ) was prepared by pyrite cinder in this paper .

目前中国第一家也是唯一一家硫酸铁通过NSF认证的公司。

At present , China 's first and only one ferric through NSF certified company .

以自制的复合硫酸铁Fe2（SO4）3&K2SO4催化剂合成了氯乙酸异辛酯。

Complex Fe2 ( SO4 ) 3 was used as catalyst for the synthesis of isooctyl chloroacetate .

结果表明，在适宜的pH值和投加量条件下，聚合硫酸铁的盐基度在10%~16%时，絮凝效果较好，色度去除率为80%以上。

The results showed that , a good flocculation effect with more than 80 % decoloration was obtained under the condition of appropriate pH value and input dosage and also 10 % ~ 16 % alkalinity of PFS ;

在利用硫酸铁去除五价砷[As（V）]的基础上研究了三价砷[As（III）]的氧化及去除，以寻求适合于分散式饮水中As（III）的氧化方法。

The feasible methods for oxidation and removal of arsenite [ As (ⅲ) ] from dispersed drinking water were based on the removal of arsenate [ As ( V ) ] by ferric sulfate .

Ferron逐时络合比色法研究聚硅硫酸铁中铁的形态

Ferron time by time complexation colorimetry of studying the iron form in poly-ferric sil-sulfate

以电厂中的含砷废水为研究对象，考察了pH值、沉降时间、投加量、铁铝硅摩尔比对聚硅酸硫酸铁铝混凝处理含砷废水的影响。

The disposal of arsenic wastewater in the power plant is studied . The effect of pH , settling time , dosage and molar ratio on polysilicate ferric aluminum sulfate ( PSFAS ) for disposal of arsenic wastewater is investigated .

负载型硫酸铁对烯烃齐聚催化作用的研究Ⅱ.Fe2（SO4）3/γ-Al2O3对1-丁烯齐聚反应催化作用的考察

STUDIES ON CATALYSIS OF OLEFIN OLIGOMERIZATION ON SUPPORTED FERRIC SULFATE ⅱ A Study on the Catalytic Behavior of Fe 2 ( SO 4 ) 3 / γ Al 2O 3 for 1 Butene Oligomerization

混凝剂聚合硫酸铁和杀菌剂次氯酸钠的使用对超滤产水的SDI有一定影响。

And use of flocculation agent PFS and bactericide NaClO had some negative effect on the SDI value of the product water .

在十二水合硫酸铁铵存在下由异戊醇和苯甲酸合成苯甲酸异戊酯，实验确定了最佳反应条件：催化剂4g，反应时间3h，反应醇酸物质的量比为1∶2.5。

The amount of catalyst was 4 g. The reaction time was 3 h. And the proportion of mole of isoamylol and benzoic acid was 1 ∶ 2.5 .

在氨性介质中，以硫酸铁铵作共沉淀剂，预富集硫酸铜中的微量砷、铅，ICP-AES测定砷、铅的含量。

As and Pb in cupric sulfate was co precipitated with ammonium iron sulfate in the presence of ammonium solution , dissolved with hydrochloric acid , and determined by ICP AES .

比较了分别以PAC和聚合硫酸铁（PFS）为混凝剂时，超细滑石粉（SFT）和PAM对废纸造纸废水混凝处理的助凝效果。

The coagulating effect of Super fine talc powder ( SFT ) and PAM on the effluent treatment from recycled fiber based paper mill was compared .

研究表明在壳聚糖与硫酸铁复合的最佳絮凝条件下，对SS和浊度的去除率达85%左右。

The result shows that under the best flocculation condition of chitosan ferric sulfate , a removal efficiency of 85 % could be obtained for SS and turbidity , over 75 % enhanced ;

比较了无机高分子絮凝剂聚合硫酸铁（PFS）、聚合氯化铝（PAC）和聚氯硫酸铁（PFCS）在废水处理中的混凝吸附性能，并对絮凝剂的混凝机理进行了初步探讨。

The coagulation characteristics of inorganic polymer flocculants PFS , PAC and PFCS are compared and the flocculating mechanism in wastewater treatment is discussed .

在此基础上引入磷酸根，制得聚合磷硫酸铁（PPFS）。

On this basis , PPFS can be made by introducing sulfate radical .

以十二水合硫酸铁铵作催化剂，相转移催化剂（PTC）PEG-400为助催化剂，利用超声波和微波辐射催化缩酮反应。

The ketol reaction is catalyzed by ammonium ferric sulfate in the presence of PEG - 400 as a PTC under ultrasound and microwave irradiation .

研究提出了一种生产聚合氯化硫酸铁（PFCS）絮凝剂的新方法。该方法简单适用，反应速率快。

A simple and suitable new method of quickly producing poly-ferric sulfate chloride ( PFCS ) is introduced .

黄铁矿的粒度相同时，改变升温速率得到的热分析曲线亦不相同，随升温速率的增大其DTA曲线放热区间变宽，焙烧过程中不易形成部分中间产物硫酸铁和硫酸亚铁。

The experimental results show that if the heating rate is increased , the region of exothermic peaks of DTA is getting to broaden and the iron sulfates are not easily formed .

用水玻璃对自制的聚合硫酸铁进行改性处理制得聚硅酸铁混凝剂（PFSS），应用于油田含油废水的混凝处理。

Using water glass and ferric sulfate , the coagulant PFSS was prepared with the oil_field wastewater treated .

结果表明：用此方法生成的固体聚合硫酸铁，其盐基度为10.1%～12.8%，处理废水COD去除效率大于80%。

The results of testing indicated that solid polymer ferric sulfate is produced by the method and its salinity is 10.1 % ~ 12.8 % , the removal efficiency of chemical oxygen demand is larger than 80 % .

乙酸、乙醇和硫酸铁的恰当摩尔比为1∶2.5∶0.025，回流反应1h，产品收率达42.6%。

The yield of the ester could reached 42.6 % under amount of substance ratio of acetic acid , ethyl alcohol and ferric sulfate were 1 ︰ 2.5 ︰ 0.025 , refluxing for 1 h.