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The IR spectra of NDA-800 and NDA-90 resins showed that there only small changes of the wavelength and strength of the characteristical adsorption peaks took place and without new peaks appearing after they were loaded with phenol, salicylic acid, p-hydroxybenzoic acid and 2, 6-bihydroxybenzoic acid.

在该研究试验的浓度范围内,苯酚、水杨酸、对羟基苯甲酸和2,6-二羟基苯甲酸等物质在NDA-800和NDA-90超高交联吸附树脂上的吸附符合Langmuir、Frundlich和R-P吸附等温方程,吸附为优惠吸附吸附量随着吸附质溶液浓度的增加而增大,随着温度的升高而减小。

With the help of infrared spectroscopy, it is known that the linkage between dodecylamine and sodium oleate and diaspore, kaolinite, illite and pyrophyllite is fundamentally electrostatic forces, which contributes to physical adsorption. The adsorption is related with surface electric property of minerals. The effect of chemical composition of diaspores on their electrokinetics was investigated.

对于一水硬铝石矿物来说,三个主要晶面(010)、(100)和(001)上的单位面积断裂键数有如下关系:〓;一水硬铝石表面吸附的动力学模拟可以说明,一水硬铝石的(010)晶面、(100)晶面和(001)晶面,分别吸附几种捕收剂离子的吸附能大小为:(010)晶面的吸附能>(100)晶面的吸附能>(001)晶面的吸附能;分别吸附这些药剂离子的单位面积吸附量〓的大小顺序为:(010)晶面>(100)晶面>(001)晶面。

And adsorption of jack bean proteins onto the amphoteric resin was studied in this paper. The amphoteric resin was in innersalt form. The results of adsorption experiments show that when the proteins are adsorpted into the amphoteric resin in the neutral phosphate buffer solution, the diffusion coefficient of protein is near twofold in 0.4 mol/L NaCl phosphate buffer solution than that in solution without salt, and the adsorption capacity of protein also rises at the same ti...

通过盐浓度对吸附的动力学和热力学影响的研究,结果表明,在中性磷酸盐缓冲液中,两性树脂吸附刀豆蛋白,有盐( 0 。4mol/L Na Cl)的比无盐的扩散系数提高将近一半,且吸附量增加,其吸附等温线的效率在最初始部分高于无 Na Cl时的;随着盐浓度( 0~ 1 mol/L Na Cl)的提高,树脂对蛋白的吸附量也变大,盐浓度提高时树脂膨胀体积的增大与蛋白吸附量的增加呈线性关系,内盐型两性树脂对大分子蛋白质的吸附作用与小分子高价离子的相似,同样是通过内盐键破裂吸附

According to the graph of adsorption speed, a conclusion can be drawn that formic acid and acetic acid are fixed on the resin with multimolecular adsorption while propanoic acid and pentanoic acid are carried by monomolecular adsorption.

通过其吸附速度、吸附等温线的研究,得出甲酸和乙酸在该树脂上以单分子吸附为主,丙酸和成酸以多分子吸附为主,而且吸附的强弱与羧酸的解离有关,解离越强吸附越弱,反之,吸附越强。

The result showed that the optimal condition of inorgano-absorbent manufacture as following: concentration of vitriol is 15%, the bentonite carrier must be soaked in the 0.4% La(superscript 3+) solution, the pH is 10, microwave radiation power is 340 W for 5 min. The optimal condition of organo-absorbent manufacture process as following: concentration of CTMA is 5%. The rate of wave must 166 W and the time of radiation is 6 mi In addition, the experimental results showed that with inorgano-absorbent the pH number is 3~6 and the reaction time is 45 min, the removal efficiency of phosphor will be up to 99% and the amount of adsorption will be up to 41 mg/g. And with organo-absorbent the pH number is 3~4 and the reaction time is 45 min, the removal efficiency of phosphor is more 30% than that of inorgano-absorbent. The removal efficiency of phosphor will be up to 99% and the number of adsorption will be up to 60 mg/g.

实验表明:①制备无机稀土吸附剂的适宜条件为:硫酸浓度15%,镧浓度0.4%,浸渍pH值10,微波功率340 W,辐射时间为5 min;②制备有机稀土吸附剂的适宜条件为:表面活性剂浸泡浓度为5%,微波功率为166 W,微波辐射时间为6 min;③无机稀土吸附剂当溶液的pH值为3~6,振荡时间为45 min时,对磷去除率为99%以上,吸附量达到了41 mg/g以上,有机稀土吸附剂当溶液的pH为3~4,振荡时间为45 min时,其效果比原来镧改性的无机吸附吸附量提高了30%,磷去除率为99%以上,吸附量达到了60 mg/g以上。

X6 3?,large specific surface area and adsorbent capacity However,most molecules and hydrated ions can not enter the aperture pass because of their size over the aperture diameter of palygorslote except less simple ones Furthermore,Palygorskite adsorbs water molecule choosingly In most cases the absorbing of palygorskite is by its outside surface that works in the form of colloid and ion exchange other than i...

但是由于凹凸棒石孔道直径小于大多数分子及水合离子的直径,除少数简单分子和离子外,多数分子和离子都不能进入凹凸棒石孔道,而且凹凸棒石选择性吸附水分子,因而在多数情况下,凹凸棒石对吸附质的吸附不是内表面吸附,而是外表面吸附。并且外表面吸附是胶体和离子交换吸附。本文阐述了凹凸棒石的孔道直径、吸附选择性、体系pH 值及凹凸棒石和蒙脱石胶体颗粒的互相作用对凹凸棒石吸附性能应用的制约。

The results show that the maximum growth quantity of Nocardia can be achieved after culturing 120 h and obvious selective adsorption of Nocardia on the surface of pyrite and sphalerite can be detected. The maximum adsorption rate on the surface of pyrite is 96.99%, whereas it is less than 20% in the case of sphalerite. Adsorption equilibrium can be attained within 20 min on the surfaces of the two minerals. pH value is the key factor influencing upon selective adsorption, and the difference of adsorption quantity on the surfaces of two minerals is apparent when pH is between 4 and 10. Slurry concentration over 6 g/L is favorable to selective adsorption. Nocardia cell concentration, stirring speed and temperature have no obviously effect on selective adsorption.

结果表明:培养120 h后诺卡氏菌达到最大生长量;诺卡氏菌在黄铁矿和闪锌矿表面发生明显的选择性吸附,在黄铁矿表面的最大吸附率可达到96.99%,而在闪锌矿表面的吸附率大都在20%以下;诺卡氏菌在两种矿物表面于20 min内即可达到吸附平衡; pH值是影响诺卡氏菌在两种矿物表面发生选择性吸附的关键因素, pH在4~10之间时,选择性吸附现象明显;矿浆浓度超过6 g/L时有利于发生选择性吸附;细胞悬浊液浓度、搅拌速度和温度对吸附效果影响不大,均可产生选择性吸附

The effects of solution\'s pH value, mol ratio between phenyl aldehyde and L-Arginine, concentrations of sodium chloride, ammonia chloride andL-Lystine, initial concentration of L-Arginine on precipitation rate of a -tolylene arginine were investigated, the results indicated that phenyl aldehyde precipitation method\'s appropriate pH value was higher than 11, suitable mol ratio between phenyl aldehyde and L-Arginine was 1.25, initial concentration of L-Arginine was must higher than 15g/L, sodium chloride had little effect on precipitation rate, on the contrary, ammonia chloride and L-Lystine had great effect on it, both of them must be eliminated; At the same time, adsorption isotherm at 25 C of L-Lystine on anion exchange resin A was measured, the result showed that the maximal equilibrium adsorbance was 30mg/g, the influences of solution\'s pH value, temperature, concentration of chloride ion on adsorption of L-Lystine by anion exchange resin A were also studied, the results indicated that appropriate operational pH value was 0.5 0.2, the effect of temperature on adsorption ratio was little, process could be operated at room temperature, the concentration of chloride ion must be eliminated.

考察了溶液pH值、苯甲醛与L-精氨酸摩尔比、氯化钠与氯化铵浓度、L-赖氨酸浓度、L-精氨酸初始浓度对苯甲醛沉淀L-精氨酸的影响,结果表明,沉淀反应的适宜pH值大于11,苯甲醛与L-精氨酸的适宜摩尔比为1.25,(来源:Aa6BC论文网www.abclunwen.com)L-精氨酸适宜的初始浓度在15g/L以上,氯化钠的存在对沉淀率基本上没有影响,而氯化铵和L-赖氨酸的存在使沉淀率下降;同时测定了25℃时阴离子交换树脂A吸附L-赖氨酸的吸附等温线,表明其最大平衡吸附量为30mg/g,考察了溶液pH值、温度、氯离子浓度对阴离子交换树脂A吸附脱除L-赖氨酸的影响,结果显示从L-精氨酸和L-赖氨酸混合液中吸附分离出L-赖氨酸的适宜pH值为10.5±0.2,温度对L-赖氨酸吸附率影响不大,吸附过程可在室温下进行,氯离子的存在使L-赖氨酸的吸附率降低。

Results show that the mycelium is better than the peanut hull in the preparation of the surface coating chitosan adsorbent; the adsorptive capacity of Ni2+ by the surface-coated adsorbent increased by 50%, compared with the mycelium adsorbent.

系统研究了菌丝体包覆吸附剂的制备工艺及吸附剂对Ni2+的吸附特性,结果表明,菌丝体作核心材料优于花生壳,菌丝体包覆吸附剂对Ni2+的吸附容量比普通菌丝体水处理剂提高了50%,并可以重复使用10次,吸附容量没有明显降低;同时菌丝体包覆吸附剂对Ni2+的吸附特性较好地符合Langmuir 等温方程和Freundlich等温方程。

The thermodynamics about the buckwheat microporous starch absorbing the methylene blue follows the monolayer absorption rule of the Langmuir equation. The alkalinity condition monolayer saturated adsorption is 2.9 times higher than acidic condition. When pH value rose from 4.8 to 10.8, the negative value of absorption heats increased, absorption was spontaneous exothermic process, and that was easier to carry on at pH10.8 due to the slight adsorption electrostatic repulsion.

荞麦微孔淀粉对亚甲基蓝的吸附热力学遵循Langmuir直线吸附方程的单分子层吸附规律,碱性条件的单分子层饱和吸附量比酸性条件高2.9倍;pH值从4.8增大至10.8,吸附热负值增大,吸附为放热的自发过程,且在pH10.8时吸附所受到的静电斥力小,吸附更容易进行。

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但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

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Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。