1)arsenic-containing wastewater含砷废水
1.Status quo and prospect of the repairing techniques of arsenic-containing wastewater含砷废水修复技术的研究现状和展望
2.In this paper, polyferric silicate sulfate (PFSS) was prepared and arsenic-containing wastewater from gallium arsenide plant was flocculated by it.用自制的无机高分子聚合硅酸铁(PFSS),对砷化镓生产中的含砷废水进行了混凝处理。
3.In this article,polyferric silicate sulfate(PFSS) was prepared by using soluble glass as a raw material and arsenic-containing wastewater was flocculated by it.本文以水玻璃为原料 ,合成了无机高分子聚合硅酸铁 (PFSS) ,并用它对此类含砷废水进行了混凝处理。
英文短句/例句
1.Arsenic trioxide made by precipitation-reduction method from As-containing wastewater采用含砷废水沉淀还原法制备三氧化二砷
2.The Study on the Treatment of Arsenic-containing Wastewater by Pteris Vittata L.-based Constructed Wetland;蜈蚣草人工湿地处理含砷废水的研究
3.Status quo and prospect of the repairing techniques of arsenic-containing wastewater含砷废水修复技术的研究现状和展望
4.Experimental Study on the Treatment of Wastewater Containing Arsenic by Polysilicate-metal Salts;聚硅酸金属盐处理含砷废水的实验研究
5.Study on Adsorption Treatment of Arsenic-containing Wastewater with Modified Bentonite Based on the Orthogonal Method正交方法研究改性膨润土吸附处理含砷废水
6.Study on Treatment of Arsenic Wastewater and Waste Residue in the Non-ferrous Metal Smelting Production;有色金属冶炼生产中含砷废水和废渣的治理研究
7.The arsenic-containing industrial wastewater treated with fly ash as adsorbent has been studied.研究了以粉煤灰为吸附剂处理含砷工业废水。
8.Determination of Arsenic in Waste Water by Flow Injection Spectrophotometry流动注射分光光度法测定废水中的砷
9.Chemical Precipitation Methods for Treatment of High-arsenic Concentration Industrial Effluents处理高砷浓度工业废水的化学沉淀法
10.Impact of pH on release of As in cement clinker product containing arsenicpH值对含砷水泥熟料制品中砷释放的影响
11.Study on modification of kaolin and its properties of removing arsenic from water高岭土的改性及其从含砷水中除砷性能研究
12.Influence of Wastewater from a High Arsenic Coal Mine on Quality of Epikarst Water高砷煤矿废水对表层岩溶水水质的影响
13.Review and Prospect on Treatment Technology for Wastewater Containing As(Ⅲ)含砷(Ⅲ)水处理技术的回顾及展望
14.The soluble concentration of arsenic is dependent upon both chemical form and wastewater PH.砷的溶解度取决于其化学形态和废水的PH值。
15.Study on the removal of Arsenic in Different States of Valence from Acidic Wastewater净化去除酸性废水中不同价态砷的研究
16.Study on Deeply Purifying Arsenic and Cadmium from Waters by Biosorbent Spent Grains废麦糟生物吸附剂深度净化水体中砷、镉的研究
17.Treatment of wastewater containing high concentration of copper and arsenic by sulphur dioxide reduction-diffusion dialysis采用SO_2还原-扩散渗析法处理高铜高砷废水
18.An Experiment and Research for the Technology to Treat the High Concentration Arsenic in Wastewater采选矿废水中高浓度砷治理工艺的试验研究
相关短句/例句
arsenic wastewater含砷废水
1.Disposal of arsenic wastewater by coagulation in power plant;电厂含砷废水的混凝处理研究
2.The arsenic forms in gaseous phase, aqueous phase and solid state were studied in treating arsenic wastewater with FeS.本文对用硫化亚铁处理含砷废水时、在气相、液相和固相中砷的形态进行了研究结果表明,在气相中无AsH_3,但在As(v)废水的液相中有As(v)和As(Ⅲ)共同存在 在固相中有As(0),FeAsO_4(FeAsO_3),As_2S_3(As_2S_5)和吸附砷。
3.The effect of polysilicate-metal coagulants on arsenic wastewater is investigated as well.本文以硫酸生产过程中的洗涤废水为研究对象,考察了聚硅酸金属盐类混凝剂对含砷废水的处理效果。
3)Arsenic-containing waste water含砷废水
1.The water quality of high concentration arsenic-containing waste water discharged from gold smelting and fume-based sulfuric acid production,etc.介绍了黄金冶炼及烟气制酸等排放的高浓度含砷废水的水质,分析了处理该废水的原理,根据处理后的废水要全部回用,按污水水质和出水要求,提出用石灰—铁盐共沉淀法除去废水中砷、氟及重金属等,阐述了工艺流程及工艺参数的控制,指出该处理方法具有流程短、布置紧凑、投资少等特点。
4)arsenic-contaminated wastewater含砷废水
1.Review of arsenic-contaminated wastewater treatment;含砷废水处理技术研究进展
2.The following paper introduces the harm of arsenic-contaminated wastewater on human, illustrates eight methods to treat the wastewater, analyzes the advantages, disadvantages and developing circumstances of each technology, and proposes that biological arsenic-removal method would become the treatment measure with the most developing prospect.介绍了含砷废水对人类的危害,阐述了八种含砷废水的处理方法,并对各种除砷技术的优缺点及发展情况进行了分析,提出生物除砷法必将成为最有发展前景的处理方法。
5)As-/NH3/N-containing waste water含砷含氨氮废水
1.Description is made of the practice of As-/NH3/N-containing waste water treatment in W metallurgy in terms of process,principle,process flowsheet,efficiency,existing problems and improvement.介绍了钨冶炼过程中含砷含氨氮废水的治理工程实例,并从方法与原理、工艺流程及效果、存在的问题与改进等方面作了说明。
6)As-containing industrial wastewater含砷工业废水
延伸阅读
含砷废水处理设计含砷废水处理设计design of arsenic waste water treatment hanshen feishui ehuli sheji含砷废水处理设计(design。f arsenic wastewater treatment)对有色金属冶炼厂排出的含 砷及其他有害物质的废水进行处理，使其含量符合排 放标准的设施设计。 废水来派与特性含砷废水主要来源于湿法收 尘、湿法冶炼车间的生产排水和冲洗地 面排水等。废水中的含砷量取决于精矿生成分，一般为4~500mg/L，含砷废水不 是单指砷含量超标的废水，其中还含有 其他有毒物质。某铅锌冶炼厂废水成分 为:锌657mg/L，铜3.omg/L，氟181mg/L，福9.slmg/L，汞6.8 mg/L，砷3·4mg/L，铅3.3mg/L。 处理方法主要有石灰沉淀法、石灰铁盐法和硫化法等，其中以石灰沉淀法使用较为普遍。 石灰沉淀法往废水中投加石灰乳，使其与砷酸根或亚砷酸根反应，生成难溶的砷酸钙或亚砷酸钙沉淀以除砷，其工艺流程如图。一般用于含砷量小于15omg/L的酸性废水。该方法操作管理简单、成本较低，但污泥量大，对三价砷的处理效果差。 么进水 l过压滤机卜一}l蔽石、1一一出水 一-r一一怪-二二巴匕J排放 滤渣送渣场堆存 石灰沉淀法处理含砷废水工艺流程示意图 石灰铁盐法利用砷酸盐、亚砷酸盐能与铁、铝等金属形成稳定的络合物，并为铁、铝等金属的氢氧化物所吸附沉淀的特点以除砷一般用于含砷量小于lmg/L，接近中性或弱碱性的废水。该方法工艺流程简单、操作方便，除砷效果较好，砷含量可降至0. 01mg/L。但砷渣过滤较困难。 硫化法在酸性条件下，砷以阳离子形式存在，往废水中投加硫化剂，使其生成难溶的硫化砷沉淀除砷。硫化法净化效果较好，但硫化物沉淀需在酸性条件下进行，否则沉淀物难以过滤。投加硫化剂产生的硫化氢气体，使出水中存在过剩的硫离子，需进一步处理。 处理设施组成一般包括废水调节池、药剂制备装置、水泵站、澄清池和污泥脱水设备等(见含氛度水处理设计) (}二国济}}郁永燮卜
