废水

Unchanged meerschaum ; adsorption property ; heavy metal ions ; wastewater treatment

改性海泡石；吸附性能；重金属离子；废水处理

When metallurgical wastewater containing Pb2+, Hg2+ and Cd2+ was absorbed by unchanged meerschaum,...

含Pb2+、Hg2+、Cd2+的冶金废水经改性海泡石吸附后，重金属离子含量显著低于国家排放标准。

Exchanging characters of methylamine including equilibrium and kinetics were studied, which shows similarity with ammonia.

实验表明甲胺的平衡交换量和交换速率都略低于铵离子，交换性质类似，因此对废水脱除氨氮过程无不利影响。

Through experiment, UASB+SBR combined process was employed at ambient temperatures to treat the methylamine and methanol wastewater from a chemical plant in Fei City of Shandong.

本文通过试验，研究了在常温条件下采用UASB+SBR工艺处理山东肥城某化工厂的甲胺、甲醇生产废水。

In the traditional process,β-methylnaphthalene is oxidized with solution of chromic acid to give β-methylnaphthoquinone. However, a great deal of waste water with chromium will be produced in the process, which is very serious to environment. At the same time, the raw material consumption is great, which lead to the high production cost. Furthermore, by-product 6-methyl-1, 4-naphthoquinone will be produced, which is difficult to be separated completely and be utilized solely.

传统的生产工艺是用铬化物氧化β-甲基萘制备β-甲基萘醌，此工艺在生产过程中会产生大量的含铬废水，处理繁杂困难，对环境污染十分严重，并且原料消耗大，成本高，反应过程中的副产物6-甲基-1，4-萘醌未能加以彻底分离和利用。

The analytical principle of the instrumental method is primarily changing organic chloride into inorganic chloride by complete combustion, then inorganic chloride is absorbed and analyzed with microcoulomb titration method, and from this analyzing result, we can calculate out different mode of organic chloride.

研究发现，CEH三段漂白废水中AOX大部分是出现在C段和E段，非木材浆C段漂白时约有2.5-4kg／odt的AOX形成，其中C段废水中溶出的AOX一般在2kg／t浆左右，E段为1-2kg／odt；H段废水中AOX含量较少，一般少于1kg／odt；非木材纸浆CEH漂白产生的AOX低于木材纸浆。

Effect of the microorganism preparation on the waste water.

微生物制剂对废水的处理效果。

The microporosity of the resin prepared by the invention achieves 60-95%; the micro-hole has uniform distribution and has obvious single peak characteristic and obvious separation effect on the organic matters with identical chemical structure type and different molecule sizes, and can be effectively used for disposing and recycling corresponding organic wastewater.

由本发明制备得到的这种树脂的微孔率达到60～95％，孔分布均匀，具有明显的单高峰特征，对于化学结构类别相同而分子尺寸不同的有机物有明显的分离作用，可有效的用于处理并资源化相关有机废水。

A strain screened from printing and dyeing wastewater had high adsorption capacity on copper ion,the adsorption characteristics of it on copper ion accorded with Langmuir and Freundlich adsorption isotherms,and was monomolecular adsorption.

从印染厂废水中筛选出一株对金属铜离子具有较高吸附性能的菌株，其对铜离子的吸附特征符合Langmuir吸附等温式和 Freundlich 吸附等温式，为单分子吸附。

For the chlor-alkali, petrochemical, alcohol, monosodium glutamate, Kaolin mining, urban sewage and industrial wastewater treatment, such as more than 120 enterprises with a sophisticated equipment and high quality service.

为氯碱、石化、酒精、味精、高岭土矿、城市污水和工业废水处理等120多家企业提供了精良的设备和优质的服务。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。