The paper discussed different effects (such as oil-water ratio, extraction, mixing time, equipment time and so on) on the removal efficiency of COD and the acidity of raffinate, and the effect of active carbon dosage and temperature on the discoloring efficiency.
实验探讨了油水比、萃取混合时间、静置时间等因素对COD去除率及酸度的影响，研究了活性炭加入量及温度对脱色效果的影响。
The volume ratio of Fe and C was fixed to 1:1, and the effects of varying Hydraulic Retention Time and pH value on pollutant removal efficiency were investigated under this condition.
在对原水不进行pH调节的条件下，HRT为1 h时，铁碳内电解工艺对安普霉素废水中的COD和安普霉素去除率均可达50%以上，对NH3-N的去除率可达70%以上，废水可生化系数从处理前的0.26提高到处理后的0.45。
The reaction rate curve of carbon deposit with air was divided into three stages, to increase the reaction temperature of carbon deposit in coking chamber with air enable the reaction located in the third stage and can improve the removal efficiency of carbon deposit in coking chamber.
沉积石墨与空气反应速度曲线分3个阶段，提高焦炉石墨与空气反应的温度，使反应处于第3阶段，可提高焦炉沉积石墨的清除效率。
The removal efficiency of COD is about 60%~70% and 80%, respectively.
试验结果表明：两种方法均能有效地净化废水，COD去除率分别为60%~70%和80%左右。
Ozone or potassium permanganate also had good efficiency on algae removal, and precursor as well.
臭氧、高锰酸钾也有很好的杀藻效果和前体物去除效果。
Through researching the mechanism of biological nitrification and denitrification and actual project application of the technology and related literature materials, the obtained results are as follows:(1) Anoxybiosis is effective to the removal of COD; after the anoxic process, BOD/COD of the outflow increases, it shows that the degradation ability of wastewater is improved; anoxybiosis is insensitive when shock loading of inflow wastewater varies greatly; (2) It is demonstrated by the operation of inoculation and cultivating that biofilm takes two weeks to succeed in cultivating on packings and the removal ratios of NH3-N and COD get 50% and 70% respectively, when gas-water ratio is 6:1, HRT is 7.3 hour, water temperature is above 15°C; (3) It is demonstrated that gas-water ratio, hydraulic loading, HRT, temperature, pH etc are important factors which influence the removal effect of pollutants, when the gas-water ratio is 6:1, hydraulic loading is about 0.38kgNH3-N/m~3.d, water temperature ranges from 15°C to 27°C, pH ranges from 7.5 to 8.0, the BIOFOR removal effect of pollutants is the best; (4) The operation indicated that, this technology has strong ability of nitrification and denitrification; it has extremely vital significance for reducing the water body eutrophication; (5) It is confirmed the feasibility and the usability of preanoxic-BIOFOR process to treat L-lactic acid production wastewater. The experiment indicated that the treatment effect of this technology is very good and also shows that the technology has many advantages, such as small volume, high treatment efficiency, good effluent quality and strong endurance to load variation, this technology is a new and economical wastewater treatment process.
通过对生物脱氮机理的研究和该组合技术的实际工程应用，并结合有关文献资料，取得如下结论：(1)预缺氧池对L-乳酸生产废水中的COD去除具有一定的效果；废水中难降解的高分子物质经过缺氧工段分解为易于氧化降解的物质，浮状有机物在水解菌的作用下，将不溶性有机物水解为溶解性物质；预缺氧池具有较强的抗冲击负荷能力；(2)BIOFOR接种挂膜过程表明：HRT为7.3h、气水比为6：1、水温保持在15℃以上，经过半个月生物膜即以形成，NH_3-N和COD的去除率分别达到50％和70％左右；(3)研究表明：气水比、水力负荷、HRT、温度、pH等是影响污染物去除效率的重要因素，在气水比为6：1，NH_3-N容积负荷为0.38kgNH_3-N／m~3·d，温度在15℃-27℃，pH在7.5-8.0之间的条件下，BIOFOR对污染物的去除效率达到最佳；(4)运行表明，该组合技术具有较强的脱氮能力，对于减少水体富营养化具有十分重要的意义；(5)经过半年多实际工程的现场调试与运行，验证了利用预缺氧—BIOFOR组合工艺处理L—乳酸生产废水的可行性和实用性，得出该组合技术具有占地面积小，处理效果好，运行费用省，耐冲击负荷能力强等优点，是一项新型、经济的污水处理技术。
The results of high-effective trickling biofiltration experiments purging xylene vapor show that the biofilters inoculated with Bacillus firmus can get increased removal efficiency.
高效生物滴滤塔净化含二甲苯废气的研究结果表明：采用纯种细菌可以显著提高滤塔的净化效果。
When the initial concentration was 150 mg/L, quinoline was degraded completely in 8 hours and TOC removal efficiency was 70% in 14 hours.
喹啉初始浓度为150 mg/L时在8 h内完全降解，TOC去除率14 h内可达到70%。
Experimental results showed that removal rates of ammonia-N, CODMn, and UV254 were 60%～80%, 0.5%～25%, and 1%～15% respectively at raw water turbidity of 50～200NTU, ammonia-N concentration of 1～10mg/L and temperature of 18～30 ℃.During the test, higher turbidity (from 200 NTU to 800NTU) of raw water had no significant effect on removal efficiency of ammonia-N and CODMn. Nitrite removal rate was 20%～50%, but nitrite accumulation took place when ammonia-N concentration was rather high. With the BCOP, pollutants removal effects of subsequent sedimentation tank and rapid sand filter could be improved.
中试效果表明，原水浊度为50～200NTU、氨氮浓度为1～10mg/L、水温为18～30℃时，生化池对氨氮的去除率为60%～80%，CODMn去除率为0.5%～25%，UV254的去除率为1%～15%；正常运行时，较高浊度(200～800NTU)的打击不会显着影响生化池对氨氮和CODMn的去除；生化池的亚硝酸盐氮去除率为20%～50%，在原水氨氮浓度较高时亚硝酸盐氮积累增多；增长生物打仗氧化预处置惩罚工艺，显着前进了后续混凝沉淀池和砂滤池的除污染效果。
experimental research on pretreatment of polluted raw water with higher turbidity and higher ammonia-n concentration by biological contact oxidation process with elastic packing was conducted and compared with conventional water treatment process. experimental results showed that removal rates of ammonia-n, codmn, and uv254 were 60%～80%, 0.5%～25%, and 1%～15% respectively at raw water turbidity of 50～200ntu, ammonia-n concentration of 1～10mg/l and temperature of 18～30 ℃.during the test, higher turbidity (from 200 ntu to 800ntu) of raw water had no significant effect on removal efficiency of ammonia-n and codmn. nitrite removal rate was 20%～50%, but nitrite accumulation took place when ammonia-n concentration was rather high. with the bcop, pollutants removal effects of subsequent sedimentation tank and rapid sand filter could be improved.
范文摘要：采用生物接触氧化技术预处理微污染原水，并和水厂常规处理工艺进行了对比。中试结果表明，原水浊度为50～200ntu、氨氮浓度为1～10mg/l、水温为18～30℃时，生化池对氨氮的去除率为60%～80%，codmn去除率为0.5%～25%，uv254的去除率为1%～15%；正常运行时，较高浊度(200～800ntu)的冲击不会明显影响生化池对氨氮和codmn的去除；生化池的亚硝酸盐氮去除率为20%～50%，在原水氨氮浓度较高时亚硝酸盐氮积累增多；增加生物接触氧化预处理工艺，显著提高了后续混凝沉淀池和砂滤池的除污染效果。
When it is used in industry catalysis, it can greatly improve catalytic reaction efficiency, save active component requirement and minimize or eliminate undesirable side reactions; When it is applied in chemical filtration and separation, impurity removal is accelerated and the required material is produced at low cost; If it is utilized in convection heat transfer, the he.
这种材料用于工业催化，可以大幅度提高催化效率，节省活性组分用量，减少或避免不利反应；用于化工过滤和分离，可以快速去除杂质，以较低成本获取所需物质；用于对流传热，既可提高传热系数，又可显著节约泵动力；用于辐射传热，可提高加热效率，减少能量损耗；用于流体输送及系统润滑，可提高金属的防腐蚀效果，减少能量消耗，延长机械寿命。
In the meanwhile, there exists a suitable range for sludge dosage concerning turbidity removal efficiency. Coagulant dosage exhibited a strong influence on turbidity removal efficiency, with low organic concentration of outflow in presence of high coagulant addition dosage. Addition of PAM could decrease turbidity of outflow at a low dosage level of PAM, however, turbidity of outflow increased with increasing of PAM dosage.
同时，对于除浊而言，存在一个合适的污泥投加量范围；混凝剂投加量对浑浊度去除有较大的影响，且该工艺下混凝剂投加量增大降低了出水中有机物的含量；试验中较低的聚丙烯酰胺投加量即能改善出水浑浊度，随着PAM投加量的增大，出水浑浊度反而升高，当PAM在泥和水中的投加比例为1∶1时，出水浑浊度为最优。
Three-step reactor was closer to plug flow reactor and had higher and stabler removal efficiency of microcystin than one-step ones.
三阶生物膜反应器比单阶反应器更接近於推流反应器，对藻毒素的去除效率高於单阶反应器，且效果稳定。
Efficiency and effect of particle removal can be improved, if specified nonionic surfactant is added to cleaning agent.
在清洗液中加入特选的非离子表面活性剂，大大提高了兆声清洗去除颗粒的效率和效果。
In the high efficiency oil removal technology aspect, the theory study and application experiment of air sparged liquid-liquid hydrocyclone was carried out, enlightened by the air sparged solid-liquid hydrocyclone. Firstly, the strength and movement of dispersed phase was analyzed in theory, it was proved that the air bubble-oil drop polymer trend to move to the axes of hydrocyclone. Secondly, using CFD method, the characteristics of oil-air-water flow field were studied, including velocity distribution, pressure distribution, turbulent motion energy and its dissipation distribution. The characteristics and separation effect under different air injection methods were simulated. Thirdly, the separation ex-periment of air sparged liquid-liquid hydrocyclone was carried out at Lab. The major structure parameters of the hydrocyclone were optimized, the reasonable air injection method and performance parameters were determined through 4 groups of air injection experiments.
首先，对气携旋流场中分散相粒子的受力及运动进行了理论分析，证明了气泡与油滴形成的聚合体，更易于向轴心运动；其次，应用CFD方法，研究了油-气-水三相流场的速度分布、压力分布、湍动能及其耗散率分布特性，对不同注气方式的流场特性及分离效果进行了数值模拟；第三，开展了气携液-液旋流分离特性室内研究，优化了旋流器的主要结构参数，对四种注气方式的分离效率进行了对比，确定了合理的注气方式和操作参数；最后，在油田现场开展了处理聚驱采出污水工艺试验，确定了工艺运行参数，评价了处理效果。
The objective of this research was to investigate the enhancement effect of ozone on indoor VOCs removal efficiency of PCO.
本研究之目的在於探讨臭氧对於光触媒对室内挥发性有机物去除效率之增进效应。
It is observed that with higher reaction temperature, the removal efficiency of both NO and CO were higher.
在NO进流浓度效应部分，可知在低NO进流浓度（240~720 ppmv）时，CO利用率随著NO进流浓度的增加而增加，但NO去除率维持在98％以上，可以推测因CO利用率提升了氢氧化铁还原率，所以未影响NO的去除率。
This topic will need new to study one kind to set up the kiln water dust removal equipment to set up the kiln cement plant as the future the renewal product, Designs the collection tornado, the mist, the water film to a body compound dust removal installment, enhances the dust removal efficiency, achieved a national kind discharges the standard. Through in the cement plant application test, this topic had achieved anticipated goal, investment province, operating cost low, dust removal efficiency high, the movement is reliable, ease of operation. Organized the expert appraisal by the Jiangsu Province science and technology hall to achieve the domestic leading level, won 2003 year yancheng city technological award, and attained the national practical new patent
本文研究一种新型立窑水除尘设备作为未来立窑水泥厂的更新换代产品，设计出集旋风、水雾、水膜于一体复合除尘装置，提高除尘效率，达到国家一类排放标准，通过在水泥厂的应用测试，达到了预期的目的，投资省，运行费用低，除尘效率高，运行可靠，操作方便，由江苏省科技厅组织了专家鉴定达到国内领先水平，获2003年度盐城市科技进步奖，并获国家实用新型专利。
In order to improve the pollutant removal efficiency, this article brings forward a new idea and some pieces advices about Entire Process Biological Oxidation on the base of experiment.
为了提高净水厂对原水的除污染效率，本文在试验的基础上，提出了水厂全流程生物氧化系统的新概念和初步建议。
Chitosan had been modified by polyacrylate sodium, glularaldehyde, and NaBH4, respectively, which afforded three kinds modified chitosan: polyacrylate sodium modified chitosan (CIS- PA4) chitosan bead and pentamethylene diamido crosslinked chitosan bead (CTSB- G- Hy). The adsorption properties of CTS-CTSB and CTSB-G-Hy were studied by L25(56) orthogonal experimental design. They show high adsorption activities for Pb2+ in solution. The highest removal efficiency of Pb2+ for CTS-PA4, CTSB and CTSB-G-Hy is 94%, 96% and 93%, respectively. The results showed the adsorption property of CTSB is the highest. The CTSB- G- Hy has good mechanical property, acid-resistance and alkali-resistance.
第二部分壳聚糖的改性及其对水溶液中铅离子的吸附性能研究以壳聚糖为原料制备了三种改性吸附剂——聚丙烯酸钠改性壳聚糖(CTS——PA_4)、珠状壳聚糖凝胶树脂和戊二氨交联珠状壳聚糖凝胶树脂，着重考察了CTSB—G—Hy的制备条件，并考察了三种吸附剂吸附6.3mg/L铅离子水溶液中铅的最佳使用条件，结果表明对CTS—PA_4而言当pb~(2+)溶液的pH在4～6.5之间，吸附剂用量为5g/L，吸附时间为1h时pb~(2+)去除率高于94％，CTS—PA_4可在酸性条件下使用，在碱性条件下依然有效但处理效果较差；CTSB对pb~(2+)具有很好的吸附能力吸附剂用量为5g/L，吸附时间为1h时处理效果极佳，pb~(2+)去除率高于96％；CTSB—G—Hy对pb~(2+)具有一定的吸附能力，吸附剂用量为3g/L，吸附时间为1.5h时处理效果最佳，Pb~(2+)去除率高于93％，而且CTSB—G—Hy的机械强度高，耐酸碱性强，可在较宽的pH范围内使用。