废水

The problems encountered in the incineration of adipic acid and hexamethylenediamine waste liquor containing HNO 3 and NaOH respectively in fluidized bed incinerator are described and their corresponding countermeasures are put forward.

介绍了在采用流化床焚烧炉处理含硝酸的己二酸废水和含氢氧化钠的己二胺废水的过程中遇到的问题及其解决措施。

It is essential to change the CEH3 bleaching conditions to decrease the amount of adsorbable organic halogen.

研究表明，虽然CEH漂白废水的色度、COD、BOD的指标比较低，但废水的排放

The paper introduces the project of treatment of the oily waste water in the residue oil tank zone by advective separation of oil -blending and solidification gas-floating-coke filtration process.

介绍了采用平流隔油-混凝气浮-焦炭过滤工艺处理渣油罐区含油废水的工程情况，经该工艺处理后的废水达到国家一级排放标准。

The coagulant has high rate of the turbidity when the pH value of the solution is 8～9, the dosage(Fe3+) is 2～5 mg/L and alkalization of PFS is 7%～14% in flocculating experiment by PFS made for the flotation waste water.

用制备的PFS进行絮凝实验，在处理选矿废水时，当溶液的pH值在8～9之间，投加量为2～5mg/L（以Fe3+计）时，聚合度在7%～14%之间时，聚合硫酸铁对废水浊度去除有较好的效果。

Removal of high concentration of ammoniacal nitrogen discharged in rare earth production process by VMD is basically studied in this paper, and VMD can achieve the purpose of ammoniacal nitrogen removal and reuse of recovered ammonia at the same time.

进行了减压膜蒸馏法处理含高浓度氨氮的稀土冶金所排废水的基础研究，该法可达到脱除废水中高浓度氨氮及回收氨回用于生产过程的目的。

In the study XRD, FT-IR, PCR amplificator, 373A DNA sequencer, GC, electrophoretogram and TEM apparatuses and so forth are used to give a way for accurately scientific research. It chooses two kinds of petrochemical industry wastewater as object of study. One is the mixture of seawater and freshwater and the other is freshwater. In the course of the research, the two kinds of petrochemical wastewater are studied in the laboratory and refinery by using CBDS, and it has got a good result.

在研究过程中，选择了海淡混合水和淡水石油化工废水作为复合生物脱氮的研究对象，利用生物反应器、气相色谱仪、X-射线衍射仪、PCR扩增仪、DNA序列分析仪、电泳仪、扫描电镜和透射电镜等仪器设备，研究了CBDS生物体系和生物载体系统，并确定了石油化工废水复合生物脱氮工艺最佳操作条件。

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。

In the coastal zone of Yangcheng, terrestrial pollutions include the farmland run off, aquicultural waste water discharge, domestic sewage and industrial sewage drainage. The contribution of terrestrial nitrogen and phosphorus discharged into near shore was evaluated through literature survey and field investigation in the coastal zone of Yancheng.

文章采用野外实地调查和文献调研相结合的方法，从农田径流、养殖废水排放、居民生活污水和工业废水排放等几个方面，初步估算了盐城海岸带陆源氮磷污染负荷的分配情况。

The result indicates that the naphthalin ring in Naphthol green B molecule is degraded as organic acid and benzoquinone, and further becomes inorganic substances by chlorine dioxide direct oxidation and catalytic oxidation so that the ability to biology treatment of the difficulty degradation wastewater is improved, which is good for the further treatment.

结果表明，萘酚绿经化学氧化和催化氧化后，分子中萘环被氧化降解为羧酸和萘醌，并进一步降解为无机物，提高了废水的可生化性，为难降解废水的后续处理创造了条件。

At the same time, the effect of sulfate on the anaerobic treatment, and how to avoid sulfate bacteria restraining methane bacteria were specially discussed. Through the studies of microbe bionomic of anaerobic, the sludge training, characters and model of granule sludge were deeply comprehended.

并对抗生素废水厌氧生物处理的微生物及生态学进行分析，从而深入了解抗生素废水厌氧生物处理的污泥培养机制、系统中微生物群落的演替规律和相互作用的关系、颗粒污泥的特征和代谢模式等。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。