查询词典 activated carbon

Abstract— When the solution of sodium sebacate from sebacic acid manufacture is decolorised with activated carbon adsorption,the productivity was low and the cost was high.

由蓖麻油为原料生产癸二酸过程中，传统的脱色工艺是用粉末活性炭吸附，活性炭在脱除溶液中有机色素和混酯的同时，也吸附了部分癸二酸单钠盐，使产品得率较低，生产成本高。

Synthetic method of butyl butyrate was investigated using silicotungstic acid ca talyst absorbed on activated carbon.

用活性炭固载硅钨酸催化剂催化合成了丁酸丁酯。

The results showed that the phosphotungstic had better catalytic activities than the silicotungstic acid. As for the supported HPAs, the silica gel support HPAs' catalytic activities were higher than the activated carbon support HPAs.

实验结果表明：对于非负载型杂多酸催化剂，磷钨杂多酸的催化活性要高于硅钨杂多酸；对于负载型杂多酸催化剂，硅胶负载杂多酸催化剂的催化活性要高于活性炭负载的杂多酸催化剂。

In this study the immobilisation of Thiobacillus ferrooxidans on the activated carbon particles as support matrix was described.

通过正交实验，发现该菌株在250mL锥形瓶中振荡培养的最适条件为pH7.0、温度30℃、转速200r/min、装液量100mL。

The type and concentration of thiophenic sulfur in gasoline and diesel fuel were determined separately by gas chromatography with a sulfur chemiluminescence detector.With activated carbon and 30％aqueous solution of H2O2 as catalyst and oxidant respectively, the experimental studies of oxidative desulfurization of gasoline and diesel were carried out.

采用气相色谱-硫化学发光检测器分析了汽油和柴油中噻吩类硫化物的分布及浓度；以活性炭作为催化剂，以30％过氧化氢溶液为氧化剂，在甲酸存在条件下考察了汽油和柴油中噻吩类硫化物催化氧化脱除的选择性，讨论了硫化物中硫原子电子密度对硫化物氧化选择性的影响。

Activated Carbon - Effectively remove organic contaminants, chlorine, trichloromethane, and insecticide.

活性碳：可过滤水中异味、氯、重金属与有害的有机化合物，并增添饮水甘甜口感。

It is composed by the activated carbon filter , the precision filter , the ion exchange , the security filter , the circulating water pump , the static pressure tank and vaporing make - up water treatment equipment and so on , constitutes a set of complete cobalt well water circulation processing devices , through the stainless steel pipe which buries in advance connected with the cobalt well water

它由活性炭过滤器、精密过滤器、离子交换器、保安过滤器、循环水泵、静压供水箱和蒸发补水的制水装置等组成，构成一套完整的钴源井水循环处理器，通过预埋的不锈钢管与钴源井水相连。

The watermelon sample was extracted with ultrasound,protein was precipitated with potassium ferrocyanide and zinc acetate,and the pigment was decolored with activated carbon,nitrate would produce yellow compound with phenonldisulponic acid on condition of base.

在超声器中提取西瓜样品，用亚铁氢化钾和乙酸锌沉淀蛋白，活性碳脱色素，酚二磺酸碱性条件下和硝酸盐生成黄色化合物，样品的硝酸盐检测结果有较好的准确度和精密度，能满足样品分析需要。

Through a variety of resin filter, adsorption and elution conditions for the optimization, as well as decolorization, crystallization methods of research, this article eventually determine the strong acid cation resin HZ-001 which is at pH 3, 3BV / h, having the largest adsorption to the tryptophan; the fermentation broth were centrifuged to remove sediment,then treated with activated carbon to be decolored and then treated with strong acid cation resin HZ-001. After that,2mol/l amino acid were passed through the HZ-001 ion exchanging column,kept almost constants when the flow rate stayed 6 BV / h. At 60℃,it was condensed into the saturated state and then added Ethanol until its percentage reaching 30%. At 4 ℃ under 100rpm placed in the shaker 20h, the collection of L-tryptophan was dried up in vacuo.

本文通过对种树脂的筛选、吸附和洗脱条件的优化，以及对脱色、结晶方法的研究与摸索，最终确定强酸型阳离子树脂HZ-001在pH=3，3倍床体积流速，温度室温，对色氨酸有最大的吸附作用；将发酵液离心去沉淀并用活性炭脱色后通过HZ-001强酸型阳离子交换树脂柱，再用2mol/L的氨水6倍床体积流速在室温下进行洗脱，收集洗脱液，60℃浓缩为过饱和状态后加入30%无水乙醇，4℃下100rpm摇起晶20h，过滤搜集结晶并真空干燥得白色粉片状L-色氨酸晶体。

Experiments showed that the variations of the amount of steam, temperature and time has great effects on the decoloring power for methylene blue and yield of activated carbon obtained from commercial hardwood charcoal by steam.

试验表明：水蒸气用量的变化对活性炭的亚甲蓝脱色力的影响特别显著；活化温度和活化时间有显著影响；所有这些条件对活性炭的得率都有特别显著的影响。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。