modified bentonite
改性膨润土
2025-07-20 10:05 浏览次数 6
改性膨润土
the unsolved problems and applying prospect of bentonite in wastewater treatment were pointed out and the conclusion is that modified bentonite is a good adsorbent for treating polluted water.
指出了膨润土在污水处理中存在的问题,并展望其应用前景,认为膨润土是一种很有前途的污水处理材料。
to improve the technology for treating chlorinated hydrocarbons in ground water, adsorption of carbon tetrachloride in simulated water sample by modified bentonite was investigated.
为完善地下水中氯代烃污染物的处理技术,进行了用改性膨润土吸附模拟水样中四氯化碳的试验研究。
fixed-bed adsorber tests showed that compared with kaolin and zeolite, the modified bentonite exhibited excellent mercury capture because of its unique structure.
脱汞实验表明,与高岭土和沸石相比,膨润土因其独特结构而具有良好的脱汞效果。
the application of bentonite and modified bentonite in papermaking were introduced in this paper, and the future development was suggested.
概括了近期的文献资料,对膨润土和改性膨润土在造纸行业中的应用情况进行了综述,对今后的发展提出了建议。
with the sodium base-bentonite from xinjiang xiazijie, dual cation modified bentonite was prepared and characterized by organic carbon analysis, sem, x-ray diffraction.
利用新疆夏子街钠基膨润土为原料,采用插层合成了双阳离子有机改性膨润土。
the study shows that cpc modified bentonite has both surface adsorption and distribution effect of 2,4-dichlorophenol, leading to an evident removal of phenol pollutants.
研究表明cpc改性膨润土吸附水中2,4-二氯苯酚时,同时具有表面吸附和分配作用,对酚类污染物的去除作用明显。
modified bentonite is a widely used absorbent for heavy metals in wastewater treatment.
改性膨润土是近年来广受关注的重金属吸附剂。
and the adsorption process of modified bentonite to direct fast turquoise blue can be better described by quasi secondary rate equation.
改性土对直接耐晒翠蓝的吸附过程可用準二级速率方程较好地描述。
the modified bentonite is made by fixing modified chemical agent and bentonite at a proper ratio after maturity.
改性膨润土由改性剂与膨润土按一定的比例混合熟化后制成。
a modified bentonite was prepared, after the natural bentonite had been treated by acidizing, inorganic, organic, inorganic and organic pillar bearing process.
天然膨润土进行酸化处理后,对其进行无机、有机和无机有机柱撑,制备出改性膨润土。
the results of modified bentonite used in treating chemical industrial waste water showed that the highest cod removal rate of inorganic modified bentonite is 55.4 %.
结果表明改性膨润土应用于化工废水处理,无机改性膨润土cod去除率最高为5 5.4 %。
the effect of each synthesis factor on the oil removal efficiency of the modified bentonite is discussed.
讨论了各个合成因素对改性膨润土除油效果的影响;
firstly, mineralogical characteristics of bentonite are briefly introduced. secondly, the applications of bentonite and modified bentonite in wastewater treatment are described.
首先简要地介绍了膨润土的矿物学特征,其次扼要地综述了膨润土及改性膨润土在废水处理中的应用。
the modified bentonite has better qualities and ability of decolorization, sweeten and removing heavy metal cations and aromatic compounds and hard biodegradable harmful organic compounds.
改性膨润土可去除水体中的重金属离子、芳香族化合物、有毒难生物降解有机物,还具有脱色、脱磷、除臭等作用。
the results showed the difference was evident modified bentonite between with organic sodium salt and with inorganic sodium salt.
结果表明:有机钠盐的钠化效果与无机钠盐钠化的效果有着明显不同。
the removal effect of polyacrylamide(pam)from oil wastewater by organically modified bentonite has been studied.
研究了有机改性膨润土对石油废水中聚丙烯酰胺(pam)的去除效果。
when the combined modified bentonite was used as the adsorbent, the result of garbage leachate treatment was ideal.
而「组合」改性后的膨润土 ,对金属离子和有机物都具有较强的吸附能力。
the modified bentonite has better qualities and ability of wastewater treatment, thus enlarge its applying scope.
改性膨润土具有吸附脱色性能优良、废水处理效果好等特点,从而扩大了其应用范围。
the modified bentonite was applicated in halogen-free flame retardent epdm.
介绍了改性膨润土在三元乙丙橡胶(epdm)无卤阻燃胶料中的应用。
a new type treating agent bentonite coated chitosan was prepared and the absorption of acid scarlet in dyeing wastewater on modified bentonite were investigated.
以天然膨润土和壳聚糖为原料,制得一种新型水处理剂——负载壳聚糖膨润土,研究了制备条件对酸性大红印染废水处理效果的影响。
the results showed that the adsorption rate of modified bentonite by baking and ultrasonic wave was 40.61% and 38.74%, respectively, better than that of raw bentonite(30.49%).
结果表明:超声波和焙烧改性的膨润土对水溶液中苯胺的吸附率分别为40.61%和38.74%,明显优于未改性的膨润土(30.49%)。
making various purification method of ca-bentonite. studying its synergistic retention effects on news print pulp of modified bentonite and cpam.
对钙基膨润土进行多种方法改性、并研究了改性后的膨润土与阳离子聚丙烯酰胺对新闻纸浆的协同助留作用。