A modified zeolite particle with pore structure was made from natural zeolite.
将天然沸石进行处理制备出多孔质改性沸石颗粒。
The thermal stabilities of modified zeolite molecular sieves were investigated .
研究了改性分子筛的热稳定性;
Static experiments was carried out in order to examine phosphorus ability of modified zeolite.
为了考察改性沸石的除磷性能,进行了静态试验。
Natural and modified zeolite have strong selective adsorption ability to ammonia nitrogen in the wastewater.
天然沸石及改性沸石对氨氮有很强的选择性吸附能力。
The regeneration of used modified zeolite was also studied and the result showed that modified zeolite had preferable stability.
文章还对改性沸石的再生问题作了初步研究,结果表明改性沸石具有较好的稳定性。
The results show that absorption level of formaldehyde by organic-modified zeolite is higher than that by natural zeolite and inorganic-modified zeolite.
结果表明,有机改性的沸石对甲醛的吸附要比天然沸石和无机改性沸石对甲醛的吸附效果明显。
The anaphase activation exists in three different stabilizers, sodium silicate, magnesium sulphate, modified zeolite and layer crystalline sodium silicate.
在硅酸钠、硫酸镁,改性蛋白石和层硅这三种不同的稳定体系中都存在着后程活化效应。
The structures of natural zeolite and modified zeolite were observed by SEM, XRD and FT-IR. Based on these, the reason and effect of modification were further analyzed.
用扫描电镜、X射线衍射仪、红外光谱等检测手段对天然沸石和改性后的沸石进行结构表征,进一步分析了改性效果及原因。
The modified zeolite obtained by the method in the invention can synchronously remove various pollutants in sewage such as cation pollutants, anion pollutants and nonionic organic pollutants.
本发明的方法得到的改性沸石可对污水中阳离子污染物、阴离子污染物以及非离子的有机污染物等多种污染物进行同步去除。
The catalyst provided by the invention is obtained by the method that the surface acidity and the pore structure of a metal modified zeolite molecular sieve are decorated by siloxy group compound;
本发明所提供的催化剂由金属改性后的沸石分子筛再经硅氧烷基化合物修饰表面酸性和孔结构得到;
Conclusion The adsorptive capacity of diatomite, clinoptilolite, silk zeolite, and coal fly ash to DBP degradation dominant bacteria was enhanced after being modified.
结论硅藻土、斜发沸石、丝光沸石和粉煤灰等吸附载体经过改性对DBP降解优势菌的吸附能力明显提高。
To overcome this problem, the zeolite can be modified with amorphous cracking component to form a compo - site catalyst.
为了解决这个问题,可以用无定形裂化组分对沸石进行改性而制成一种复合催化剂。
Results show that the modified cement with good durability, small expansion and low alkality can be made by use of gypsum and zeolite modifying alumina cement.
结果表明:以石膏和沸石对高铝水泥改性,可配制出耐久性良好、具有微膨胀性的低碱度改性水泥。
Especially by the TS-1 modified with trimethylchlorosilane, much higher catalytic activity was achieved than by parent TS-1 zeolite in the phase-boundary catalysis.
尤其是三甲基氯硅烷改性后的TS 1沸石,在相界面催化反应中,具有比改性前高得多的活性。
The thermal stability ofthe crystal structure of modified USY zeolite is increased, and n-hexane cracking activity ina pulse micro-reactor is decreased, while the olefin selectivity is increased.
改性后超稳Y型分子筛的晶体结构热稳定性增加,脉冲微反试验的正已烷裂解活性下降而烯烃选择性得到提高。
Effect of reaction temperature on coking deactivation of a modified HY zeolite catalyst for alkylation of benzene with propylene was investigated.
研究了丙烯与苯反应中反应温度对改性Y沸石催化剂失活的影响。
By comparison, the zeolite modified with HDTMA had better absorbability for COD, and the color index of the wastewater was decreased obviously.
比较得出HDTMA改性沸石对COD的去除能力较好,而且废水的色度明显减小。
HMCM-22 zeolite was modified with ammonium hexafluorosilicate and characterized by temperature-programmed desorption of ammonia and pyridine adsorption infrared spectroscopy.
用氟硅酸铵对HMCM-22分子筛进行了改性处理,并采用氨程序升温脱附和吡啶吸附红外光谱法测定了其酸性。
The adsorption of chromate on zeolite modified by cation surfactant CTAB and its mechanism were investigated.
研究了由十六烷基三甲基溴化铵(CTAB)改性制成的有机沸石对水体中铬酸根的吸附性能及吸附机制。
DCC catalyst consists of a modified mesopore zeolite with pentasil structure for primary product of naphtha range to undergo secondary cracking for producing light olefins.
催化裂解催化剂是一个含改性五元环中孔沸石的固体酸催化剂,汽油一次产物在中孔沸石内进行二次裂化转化为轻烯烃。
USY zeolite was modified by HF.
对usy分子筛进行HF改性实验。
The hydroisomerization and aromatization of 1-hexene over potassium modified MCM-22 zeolite were investigated.
考察了钾金属修饰的M CM - 22分子筛上1 -己烯加氢异构和芳构化反应。
A kind of hydrocarbon-oil desulfuration agent contains, on the catalyst-weight basis, 15-60% phosphorus-modified and rare-earth-contained Y type zeolite, 10-60% inorganic oxide, and 0-75% clay;
一种降低汽油中的硫含量的脱硫剂含有以催化剂重量为基准的含稀土Y型沸石15-60重%、无机氧化物10-60重%、粘土0-75重%;
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 catalytic performance of modified TS-1 zeolite for ammoximation of cyclohexanone was investigated.
考察了二次晶化后的催化剂对环已酮氨氧化反应的催化性能。
The silver-modified TiO2/zeolite catalyst was also prepared in order to improve the photodegradation efficiency of methyl orange waste water.
并通过对催化剂的改性来考察其对甲基橙染料废水降解效率的提高。
The effects of catalysts prepared from different zeolites and prepared from a same zeolite by different modified treatments on their lifetimes wer…
用具体实验数据从工艺过程类型、工艺条件以及不同内构件的催化蒸馏塔对催化剂寿命的影响作了讨论。
The effects of catalysts prepared from different zeolites and prepared from a same zeolite by different modified treatments on their lifetimes wer…
用具体实验数据从工艺过程类型、工艺条件以及不同内构件的催化蒸馏塔对催化剂寿命的影响作了讨论。
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