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双语推荐：焦化废水

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焦化废水的处理对于钢铁企业减少污水排放量和新水用量，提高废水循环利用率具有重要的意义。介绍了几种常用的焦化废水深度处理技术，如混凝沉淀法、吸附法、生物化学法、高级氧化法、膜分离法等，并对目前国内外的焦化废水处理工艺现状进行了描述，展望了焦化废水深度处理技术的发展方向。
The treatment of coking wastewater has great significance for the reduction of effluent discharge and the consumption of fresh water,as well as for the improvement of wastewater recycling rate. In this paper,some advanced treatment technologies of coking wastewater,such as coagulation sedimentation,adsorption,biochemical,advanced oxidation,membrane separation,are introduced. In addition,the present status of advanced treatment processes of coking wastewater in China and abroad are described. At the end ,the developing direction of advanced treatment of coking wastewater is forecast.

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焦化废水是焦化厂在焦炭及其下游产品生产过程中产生的高浓度有毒废水，水中含有的杂质成分复杂，极难降解。本文根据现阶段在焦化废水深度处理方面的研究，总结介绍了现阶段处理效果明显、应用较广泛的深度处理方法，包括物理法、生物法、化学法等。对焦化废水有效处理并再生利用，可以减少环境污染，节约水资源，实现社会的可持续发展。
Coking wastewater was a kind of high concentrations of toxic waste that produced in the production process of coke and its downstream products. Coking wastewater contained complex impurity composition and it was difficult to be degraded. The technologies of advanced treatment of coking wastewater were summarized, including physical, chemical and biological methods. The effective coking wastewater treatment and recycling can reduce pollution of the environment, save water resources, and realize the sustainable development of society.

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焦化废水主要来自焦炉煤气初冷和蒸汽冷凝废水,以及焦化生产过程中的生产用水.主要介绍了国内外焦化废水的生物处理方法研究现状及进展,主要包括活性污泥法、接触氧化法、生物滤池法、生物流化床法、废水厌氧生物处理法和生物活性碳法等,对这些方法做了比较,并对今后研究方法提出建议.
Coking wastewater usually comes from primary cooling of coke oven gas, steam condensate in the coking production. In this article, the current status and progress of the biological treatment of coking wastewater was introduced. The research status and characteristics of these methods were analyzed and compared, such as activated sludge process, contact oxidation process, biological filter process, biological fluidized bed process, biological anaerobic treatment of wastewater, bioactivity carbon method and so on. In addition, some suggestions about the future research were proposed.

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焦化废水的处理一直是国内外废水处理领域的难题之一。文章以宝钢为例,介绍并分析了该企业焦化废水处理技术的发展与现状。
The coking wastewater treatment has been one of the different problems in the ifeld of wastewater treatment abroad and at home. The paper, by taking Baoshan Iron and Steel Works as an example, presents and analyzes the develop-ment and state on coking wastewater treatment technology in the enterprise.

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介绍安钢焦化酚氰废水的基本情况和处理现状；针对酚氰废水存在的问题，通过一系列的技术改造，实现了焦化酚氰废水在炼铁烧结系统的综合利用，解决了困扰钢铁行业的环保难题，顺利完成工业废水零排放的目标。
The basic situation and current treatment status of Angang coking phenol cyanogen wastewater are introduced .In view of problems existing in coking phenol cyanogen wastewater , by utilization of a series of technical modification , compre-hensive utilization of coking phenol cyanogens wastewater in iron-making and sintering system is realized and the environ-mental protection problems in iron and steel industry is solved , and the goal of zero discharge of industrial wastewater is a-chieved successfully .

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焦化行业由于具有耗水量大、污染物成分复杂、环境污染严重等特点，严重影响着社会环境及地区发展。随着《炼焦化学工业污染物排放标准》（GB 16171—2012）的实施，对焦化废水的深度处理成为各企业亟待解决的难题。着重介绍了全膜法在焦化废水深度处理中的应用情况，一年来的运行效果表明该方法对经生化处理后的焦化废水进行再回收利用有着良好的应用效果。
Coking chemical industry has serious negative impacts on the social environment and the regional devel-opment due to the high consumption of water,complex components of pollutants,serious environmental pollution, and some other features. With the implementation of the Emission Standard of Pollutants in Coking Chemical Industry (GB 16171—2012),the advanced treatment of coking wastewater has become a difficult problem which needs to be solved urgently. The paper focuses on the application of membrane process to the advanced treatment of coking wastewater. The one-year operation effect shows that this method has pretty good effects on the reuse of the biochemi-cally treated coking wastewater.

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介绍了焦化废水的特点以及AAOO-Fenton氧化工艺处理济钢焦化废水的运行效果。蒸氨废水经AAOO工艺处理后，再经过高效混凝沉淀及Fenton氧化深度处理，出水水质达到了国家二级排放标准。
Characters of coking wastewater and the running condition of AAOO-Fenton oxidation process in Jinan Iron and Steel Coking Plant are indicated .After handled by AAOO process , the wastewater from ammonia distillation plant is coagulating settled and is further treated by Fenton oxidation .The quality of treated water meets the second level of national wastewater discharge stand -ard.

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焦化废水是一种典型的含有难降解有机污染物的工业废水,除含有酚类化合物外,还含有多种芳香烃和杂环类有机污染物,成分复杂,水量大,对环境污染严重。因此,焦化废水处理技术越来越受到环保部门的重视。本文摸索了改性粉煤灰处理焦化含酚废水的试验工艺条件,确定了反应条件,反应时间和反应温度。
Coking wastewater is a typical industrial wastewater containing hardly decomposed organic pollu-tants. In addition to containing phenolic compounds, it also contains a variety of aromatic and heterocyclic or-ganic pollutants which is complex and makes serious environmental pollution. Therefore, coking wastewater treatment technology are getting more and more attention from environmental protection departments. This paper explores experimental conditions of treating coking wastewater containing phenol with modified fly ash, con-firms reaction condition, reaction time and reaction temperature.

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炼厂焦化废水是一类乳化较严重的废水,本文通过室内小试筛选出阳离子型焦化破乳剂JQ-104,试验结果显示,当焦化废水含油4235.6 mg·L-1,JQ-104投加量300 mg·L-1,废水含油去除率高达95.51%;另外,pH值对其有较大影响,最佳pH值范围为6-8.将JQ-104应用于现场工艺流程,除油效果明显,处理后出水稳定,含油浓度在200mg·L-1以内,减少了污油对环境的污染.
Coking demulsifier JQ-104 was selected to treat oil refinery coking wastewater. The results indicated that when JQ-104 was used in the treatment of coking wastewater, the most suitable dosage of coking demulsifier was 300mg·L-1 and the maximal removal of oil was 95.51%, at the oil concentration 4235.6mg·L-1, and the best pH 6-8; When JQ-104 is used in production, the oil concentration of treated water was under 200mg·L-1. JQ-104 is a better coking demulsifier when used in coking wastewater treatment, which decreased environment pollution caused by wastewater.

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为满足深度处理的焦化废水回用需求，以絮凝、微波和Fenton联用处理焦化废水，研究了分次投加H2 O2和Fenton试剂、絮凝和微波－Fenton组合方式对处理焦化废水的影响。对比多种工艺处理效果，研究表明，絮凝－微波－Fenton法明显优于絮凝、微波－Fenton，絮凝、微波－Fenton法的最佳组合方式为先絮凝后微波－Fenton。
In order to meet the requirement for recycling of treated coking wastewater, methods of flocculation and microwave-Fenton are combined to treat coking wastewater.The influence of dosing H2 O2 and Fenton agent for several times and influence of combination dosing of flocculation and microwave-Fenton on coking wastewater treatment are studied.Based on the comparison between sev-eral processes,it shows that the effect of flocculation-microwave-Fenton method is obviously better than flocculation and microwave-Fenton.The optimum combination order is flocculation before microwave-Fenton.

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