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- Meanwhile,only if the arsenic removal rate is over 50%,can the gold cyanidation leaching index be improved. 同时,只有脱砷率超过50%25以后,才能明显改善矿石中金的氰化浸出指标。
- The result shows that the PFS has the highest arsenic removal efficiency than FeCl3 and FeSO4, oxidation - coagulation process have higher arsenic removal rate than coagulation process. 研究结果表明,聚合硫酸铁较三氯化铁、硫酸亚铁对原水中砷的去除效果好;用氧化与混凝组合工艺较单纯用混凝工艺对砷的去除率高;
- Arsenic removal rate 脱砷率
- Let' s take the metal removal rate for example. 让我们以金属切削速率为例。
- The removal rate of NH3-N was up to 73.3%. 在脱氮模式中氨氮的去除率达到了73.;3%25;
- The removal rate of sulfide is high. 硫化物的去除率很高。
- One of the impurities in water, such as chlorine, phenol, chromium, arsenic, lead, cyanide, pesticides and other harmful substances have a high removal rate. 对水中个中杂质如氯、酚、铬、砷、铅、氰化物、农药等有害物质也有很高的去除率。
- Abul Hussam says, he also hopes that some days the so known arsenic removal system will be available around the word. 他希望能增强这些活性填充物的功效。阿布胡山姆说,他也希望有一天这个为人所知的“去砷系统”能在全球范围内经销。(谁买他的啊?)
- Arsenic removal from upstream water is due to adsorption and precipitation of Sn on sediments,while dilution also plays an important role downstream. 上游水体中砷含量的降低主要是吸附沉淀作用,而溪流的简单稀释作用在下游也显得非常重要。
- In this paper,the arsenic removal unit process in ethylene plant was introduced and the causes which can't continuous run in long period were analysed. 简要介绍了乙烯装置中前脱砷工艺过程,但脱砷装置存在不能长周期连续运转问题,通过原因分析来对这一工艺过程加以探讨研究。
- The TP and COD removal rate of HRT 3, HRT 6 and HRT 9 were above 80%. 水力停留时间为3天、6天和9天的反应器,厌氧消化液的磷和COD去除率都在80%25以上。
- By means of orthogonal experimental design,the optimum levels and main factors have been found out for arsenic removal from high-arsenic bearing pyrite concentrate. 采用正交试验设计的方法,找出了高砷硫精矿降砷时所使用药剂的最优水平组合以及影响因素的主次。
- The biomass decreased and the COD removal rate slightly increased aftervards. 此后生物量逐渐下降,COD去除率略有上升。
- A new technology of arsenic removal for treating arsenic-rich lead anode slime by volatilization roasting in steam condition was developed in this paper. 针对目前工业上难处理的高砷铜阳极泥,作者提出在水蒸气气氛中焙烧脱砷的新工艺。
- Nikolaidis, N.P., Dobbs, G.M. and Lackovic, J.A., “Arsenic removal by zero-valent Iron: field, laboratory and modeling studies”, Water Research, Vol.37(6), pp. 1417-1425, 2003. 黄瑞渊,“反应性元素铁滤床结合过氧化氢进行水及土壤中五氯酚之去除”,嘉南药理科技大学环境工程与科学系硕士论文,2005。
- Study on removal rate of pollutants and plant growth in subsurface and surface flow constructed wetlands. 潜流湿地和表面流湿地的净化效果与植物生长比较。
- In this techniques,high recovery efficiency of glyphosate as much as 95% was obtained and removal rate of COD was above 95%. 该工艺草甘膦回收率达到95%25;废水COD去除率大于95%25;实现了草甘膦废水的资源化.
- Results show that the content of contaminants has been reduced efficiently, and COD removal rate will reach 81.8%. 结果表明 ;该方法能有效降低气田水中污染物含量 ;COD(化学需氧量 )去除率达 81.;8%25。
- Using nitrogen exchange reactor and wearing gas mask, wasted arsenic removal catalysts would be removed before arsenic removal catalysts were replaced. 停车更换脱砷剂前,先用氮气置换反应器,带好防毒面具卸出废脱砷催化剂。
- The refractive index of the refined oil decreases continuously with the increase of the removal rate of BCN. 随着碱性氮脱除率提高,精制油折光率呈不断下降趋势。