废水

The experimental study on the treatment of terephthalic acid industrial wastewater by heterogeneous catalytic oxidation has been carried on.

采用非均相催化氧化法处理对苯二甲酸工业废水，研究了反应时间、氧化剂投加量、废水pH和废水起始浓度对CODCr去除率的影响。

Subsequently, the feasibility of the processes of the catalytic reduced dechlorination were affirmed in a pilot scale by the treatment of the industrial wastewater containing chloroform and tetrachloromethane from the fluorine industrial factory of Zhejiang Juhua Corporation.

在此基础上，以浙江衢化氟化学有限公司排放的有机氯工业废水为处理对象，研究了实际工业废水中氯仿和四氯化碳的脱氯效果和废水处理的可行性。

Pesticide production wastewater is a typic highly concentrated refractory wastewater because of its complicated components and high toxicity.

而农药生产废水由于成分复杂、毒性大，是高浓度难降解有机废水的典型代表，对农药生产废水的治理历来是社会关注的重点。

Abnormal phenomenon of BOD5 measurement of hydrogen peroxide bleaching wastewater was discussed and it was caused by the oxygen generated from decomposition of residual hydrogen peroxide in wastewater. Sodium sulfite is proposed to use for deoxidizing the residual hydrogen peroxide and the abnormal phenomenon can be eliminated effectively.

摘 要：探讨了H2O2漂白废水BOD5测定过程中的异常现象，发现废水中残余H2O2分解产生氧气是导致BOD5测定产生异常的原因，提出了加入亚硫酸钠（Na2SO3）还原废水中的残余H2O2的方法，可有效消除BOD5测定过程中的异常现象。

In order to solve chromium waste water by means of electrolyzed deoxidation, we apply polyacrylonitrile carbon blanket as pole, graphite as bipolar plate, positive ion film as diaphragm, to an oxidation-reduction system, in which negative pole electrolyzes and reduces chromium waste water; meanwhile, oxides Fe~{2+} into Fe~{3+} in positive pole.

为了电解还原处理含铬废水，以聚丙烯腈碳毡作电极，石墨板作双极板，以阳离子交换膜为隔膜，组装出氧化还原电池系统。此系统阴极电解还原处理含铬废水，同时阳极氧化Fe2+为Fe3+。电池系统的平均电流效率达92.29%，处理后废水中铬含量小于10-5mol/L，达到国家排放标准

Sulfur ore concentrate to chromic, nickel, in zinc waste water treating processes, increment, agitation time factors and so on discussed the temperature through the experiment, has thrown galvanizes the heavy metal waste water to sulfur ore concentrate processing the influence, thus obtains the galvanization waste water processing being suitable experimental condition.

本课题采用的硫精矿是邯郸市插箭岭磷肥有限公司所提供，硫精矿对含铬、镍、锌废水的处理过程中，通过实验探讨了温度、投加量、搅拌时间等因素对硫精矿处理电镀重金属废水的影响，从而得到电镀废水处理的适宜的实验条件。

The accumulation of biomass was positively correlated with initial reducing sugar concentration of the culture media The biomass ceased to increase after 16h of culture in liquidized WWWSI, but it remained vigorous growth up to 24h in saccharificated WWWSI.

生物量的积累与基质中还原糖浓度呈正相关，液化废水中培养16h后，生物量不再有明显的上升，液化再糖化的废水中则一直旺盛生长至24h，对此进行动力学分析，构建了可较好拟合白地霉在糖化的小麦淀粉废水中生长过程的动力学模型。

According to the pollutant component in drilling sewage,sensitivity of regional environmental treatment both in abroad and home three processes of treatment can be used,i.e.Pouring back into waste well,pouring back or reinjection after centra-lized treatment and reinjecting after site treatment.

一、钻井废水的产生钻井过程中产生的废水，依据其来源不同，大致可分为以下几种：地面废水主要由井场上面的雨水汇集而成，水量的大小受季节的影响很大。

Experiment for precision casting enterprise in the production process of ammonia emissions from wastewater, in order to better determine the operating parameters to achieve a reasonable construction costs and operating costs; unsuitable for biological treatment of ammonia nitrogen wastewater treatment will provide more choice; can be applied to similar waste water, a wide range of applications.

实验针对精密铸造企业在生产过程中所排放的氨氮废水，目的是为了确定较好的运行参数，达到合理的建设费用和运行成本；对于不适于生物法处理氨氮废水处理提供了更多的选择；可以应用到类似的废水，应用广泛。

Based on the quantitative decolorizing investigation of the three-colour wastewater containing single reactive, dispersive, and vat dye, the manufacturing technology of decolorizing ceramsite was optimized, the mechanism of preparation and decolorization was discussed, and the strength, loss ratio and reusable method of the decolorizing ceramsite were studied.

通过对活性、分散、还原三种不同性质的三原色红、黄、蓝单一染料废水和实际印染废水的定量脱色研究，确定了印染废水脱色陶粒的最佳制备工艺，分析了其制备和脱色机理，考查了脱色陶粒的造粒强度和散失率，研究了脱色陶粒的循环使用性能和方法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。