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Iron-carbon microelectrolysis process was used in the treatment of high salinity organic wastewater.The effects of initial pH,mass ratio of iron to carbon,reaction time,aeration condition and H2O2 dosage on the treatment were explored.

用铁碳微电解法处理高盐度有机废水,考察了反应初始pH、铁碳质量比、反应时间、曝气及过氧化氢加入量等对该废水处理效果的影响。

The results show that by providing wastewaters pH of about 3 and reaction time of 2 hours, the quantity of H2O2 of 40 mL/L, the concentration of ferrous iron is 0.4 g/L, the effluent of microelectrolysis goes into Biological contact oxidation process, in which DO, HRT and volume load are 4.5 mg/L, 10 hours and 1.0 kg CODCr/(m3·d) respectively, satisfying the first grade of the national standard.

结果表明,在废水pH值为3左右、反应时间2 h的前提下,双氧水投加量40 mL/L,二价铁离子质量浓度为0.4 g/L,再经过微电解处理后的出水进入接触氧化阶段。在溶解氧为4.5 mg/L左右,水力停留时间为10 h、容积负荷1.0 kg CODCr/(m3·d)左右的条件下,出水CODCr小于100 mg/L,可达到国家对丙烯腈废水处理要求的一级标准。

Said method uses iron filings microelectrolysis treatment as core, after the pH of NIS waste water is regulated to proper value, said NIS waste water can be fed into microelectrolytic reactor to make iron filings microelectrolysis treatment, then the treated waste water is fed into precipitation tank so as to remove Fe(2 ) and Fe(3 ) introduced in the course of making microelectrolysis.

该方法以铁屑微电解处理为核心,NIS废水调节至适当pH后,进入微电解反应器进行铁屑微电解处理,处理后的废水进入沉淀槽以去除微电解过程中引入的Fe 2 和Fe 3 。经本方法处理后NIS废水中NIS的去除率可达80%。

Iron-carbon microelectrolysis ; salinity ; organic wastewater ; wastewater treatment

铁碳微电解;盐度;有机废水废水处理

Pretreatment of wastewater from pyrimidine production by iron-carbon microelectrolysis -Fenton oxidation process;2. The per-treatment of high strength cyclohexanone wastewater by iron-carbon microelectrolysis -coagulation process was studied, and four affecting factors,i.

研究了用铁炭微电解-混凝工艺预处理高浓度环己酮废水,通过实验确定了铁炭质量比、进水pH值、水力停留时间及曝气时间4个影响因素的最佳条件分别为:铁炭质量比为1∶2,环己酮废水进水pH为2~3,停留时间为4h且有曝气条件下,COD去除率达到55。

The wastewater with high pollutant concentration of 20000 mg·L-1and 2100 mg·L-1(BOD5),high salinity of about 4% and nonbiodegradable from carboxymethyl cellulose production was treated by combined process of microelectrolysis,UASB and biological contact oxidation.

针对羧甲基纤维素废水高浓度、高盐分和难生物降解的特点,采用微电解-UASB-生物接触氧化组合工艺处理高浓度CMC废水

Polyaluminum chloride (PAC-1) is a new and efficient inorganic polymer coagulants. The selection of bauxite products, calcium aluminates, hydrochloric acid produced with advanced technology, have a good flocculation effect. its effect is better than the traditional aluminum sulfate and water purification molysite ordinary inorganic coagulants and general polyaluminum chloride. can be widely used in industrial water purification and wastewater treatment. of sewage and wastewater is also ideal purifying effect.

聚合氯化铝(PAC-1)是一种新型高效的无机高分子混凝剂,本产品选用铝矾土、铝酸钙粉、盐酸以先进工艺制成,具有良好的絮凝效果,其净水效果优于传统的硫酸铝和铁盐等普通无机盐类混凝剂及一般的碱式氯化铝,能广泛用于工业用水及废水的净化处理,对生活污水和各行业废水也具有理想的净化效果。

The test results showed that base on the previous A/O activated sludge treatment technology,putting modified montmorilonite powder in the aeration basin would have good results to the waste water biological treatment and to the Nylon 66 salt industrial waste water treatment.

实验结果证明,在原有A/O活性污泥法处理工艺的基础上,曝气池内增加改性蒙脱石粉填料,对废水进行生物处理,处理尼龙66盐化工废水的效果更好。

The mechanism and the thermodynamics adsorption of p—nitrophenol to the PDMDAAC-bentonite from water were investigated in this paper and the thermodynamics model of the treating of waste water containing p—nitrophenol using the PDMDAAC-bentonite were also explored at different temperatures; the functions of thermodynamics the standard sorption enthalpy △H~

用PDMDAAC膨润土对含对硝基苯酚废水进行了吸附处理,对含酚废水吸附机理、吸附热力学等进行了研究,得到了在不同温度下的吸附等温线,计算了热力学函数标准吸附焓变△H~

Ban's byproduct is traditional food in China,it'll produce high concentration organical water during the production .In this paper ,we use 4000 m3 one step anaerobic process to treat the wastewater which quantity is

豆制品是我国的传统食品,在豆制品生产过程中产生的高浓度有机废水,采用4000m3一级厌氧处理杭州某豆制品厂1500m3/d的豆制品废水

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