碱催化剂

碱催化剂NaOH和金属催化剂钼粉也显示出了较佳的催化性能，液化油收率大大提高。

Base catalyst NaOH and metallic catalyst molybdenum powder also show preferable catalytic activities .

固体碱催化剂合成2-羟丙基甲醚的研究

Study on Synthesizing 1-Methoxy-2-Propanol by Using Solid Base Catalyst

超强碱催化剂碱强度（H-37）的指示剂测定法

Determination of the base strength of super base by indicator method

固体碱催化剂（K2O/C）的制备及其催化酯交换反应

Preparation of solid base of K_2O / C and transesterification catalyzed by the catalyst

微量吸附量热法测定负载型固体碱催化剂K2O/γ-Al2O3的表面碱性

Microcalorimetric measurement of surface basicity of the loading solid basic catalyzer k_2o / γ al_2o_3

负载型Cs2O固体碱催化剂的制备及催化酯交换反应性能

Preparation of supported Cs_2O solid base catalysts and performance of catalyzing transesterification reaction

并分别优化了NaOH催化、KNO3/Al2O3固体碱催化剂催化，微波加热条件下的酯交换反应。

The transesterification using NaOH and KNO3 / Al2O3 solid base catalyst in the presence of microwave were also optimized respectively .

以蔗糖和猪油为原料，以N，N&二甲基甲酰胺为溶剂，在碱催化剂作用下，直接进行酯交换反应合成了蔗糖酯。

This process relates to a sucrose esters prepared by the direct ester exchange reaction of sucrose with fat oil as a raw material and at present of solvent N , Ndimethylformamide and base catalyst .

KF/Al2O3是一种固体超强碱催化剂，它性能优越，具有强碱性和亲核性的新型固体超强碱，同时具有高活性和良好的选择性。

KF / Al_2O_3 is a solid ultra strong alkali catalyst , which has superior performance and the nucleophilic , the high activeness and the good selectivity .

以Ca（Ac）2溶液浸渍MgO载体制得负载型钙镁固体碱催化剂，可以用于菜籽油酯交换反应生产生物柴油。

Supported CaO / MgO solid base catalysts , used in the transesterification of rapeseed oil to produce biodiesel were prepared by impregnating MgO carrier with Ca ( Ac ) _2 solution .

研究了KNO3/Al2O3固体碱催化剂的焙烧温度和KNO3负载量对酯交换反应的影响。

The influence of calcination temperature and loading amount of KNO3 on transesterification were researched .

固体碱催化剂在空气中放置会吸收空气中的水份和CO2而中毒，使用前需要在N2气氛下煅烧来活化催化剂。

Thermal treatment of the solid base catalyst in N2 ambience is needed before use because the catalyst is likely to be contaminated by adsorbing H2O and CO2 in air .

水滑石作为固体碱催化剂替代NaOH等均相碱性催化剂广泛应用于加氢、聚合、缩合反应、烷基化反应和重整反应。

Hydrotalcite-like compounds have been widely used in hydrogenation , polymerization , condensation , alkylation and reforming reaction which can substitute for traditional homogeneous base catalysts such as NaOH .

研究了以γAl2O3为载体的固体碱催化剂对甲醇与碳酸亚丙酯酯交换合成碳酸二甲酯反应的活性。

The activity of potassium compounds supported on γ Al 2O 3 catalysts for synthesis of dimethyl carbonate by transesterification between methanol and propylene carbonate ( PC ) has been investigated .

采用新型固体酸Zr（SO4）2.4H2O替代传统的液体酸、碱催化剂，催化大豆油与甲醇的酯交换反应，制备生物柴油。

In this work , biodiesel was obtained through transesterification of soybean oil , using Zr ( SO_4 ) _2 · 4H_2O as a solid acid catalyst .

通过对比筛选了孔径均匀，具有高比表面积和大的吸附容量的介孔分子筛MCM-41作为固体碱催化剂的载体。

Via contrast and filtration , mesoporous MCM-41 which has well-defined pore size and shape , high specific surface and large adsorption capability was chosen as carrier of solid base catalysts .

研究结果表明：氧化钡固体碱催化剂和KOH催化剂的催化机理一样，且催化剂反应后经分离、洗涤干燥后继续参与反应能延长催化剂的使用寿命。

The results show that : the catalyst mechanism of barium oxide is the same of KOH catalyst , extend the life cycle of the catalyst after reaction by separation , washing and drying .

选用2ml有机碱催化剂和反应时间15h生成烯酮产率为93%。

Choosing 2ml organic alkali as catalyst and setting the reacting time as 15 hours , the producing rate of olefine ketone was 93 % .

KF/Al2O3催化剂作为一种固体超强碱催化剂，具有比液体碱更优越的应用性能，比如：与反应产物易分离；可重复使用；

KF / Al_2O_3 as a kind of solid base catalyst is superior to the liquid alkali in many aspects , such as : easier separation from the final products , better reutilization , high stereoselectivity , environmental protection and et al .

以无水碳酸钾为碱催化剂，PEG-400为相转移催化剂，对羟基苯甲醚为阻聚剂，通过Perkin反应合成肉桂酸，研究了各物料比、回流时间对产品产率的影响。

Cinnamic acid was synthesized by Perkin reaction with anhydrous potassium carbonate as alkaline catalyst and PEG-400 as phase transfer catalyst and 4-hydroxyanisole as polymerization inhibitor .

目前，生物柴油的主要生产方法是使用NaOH等强碱作为均相碱催化剂，催化脂肪酸甘油脂（动植物油脂的主成分）和甲醇进行酯交换反应制备脂肪酸甲酯。

At present , the transesterification reaction of triglyceride which are the leading components of vegetable oil or animal fat with methanol using NaOH or KOH as a homogeneous catalyst is conducted to produce methyl fatty acid ester as biodiesel .

对甲氧基苯甲醛与甲醛的Cannizzaro反应合成茴香醇工艺进行了改进。采用KF/γ-Al2O3固体超强碱催化剂、PEG为催化活化剂的工艺路线，提高了产物的收率。

The synthesis cannizzaro of anisyl alcohol from anisaldehyde and formaldehyde was improved with higher yield by solid superbase ( KF / γ - Al_2O_3 ) as catalyst and polyethylene glycol as catalytic activator .

将上述磁性催化剂前体经过适当温度焙烧，得到磁性纳米固体碱催化剂MgAl（O）/MgFe2O4。

Magnetic solid base catalyst MgAl ( O ) / MgFe2O4 have been obtained from magnetic precursor MgAl-CO3-LDH / MgFe2O4 calcined at proper temperature in open air .

通过对窄分布醇醚的催化剂的综合催化性能进行比较，筛选得到综合性能较优的镁铝复合金属氧化物固体碱催化剂MAOB。

A good catalyst , Mg-Al complex oxides solid base ( MAOB ) was selected through the comprehensive comparison of catalytic properties of a few catalysts for FAPNRD .

采用催化异构、还原、氧化、催化形成C-C键以及采用固体酸、碱催化剂等办法可以大大减少香料工业的三废。

Some measures , such as catalytic isomerisation , reduction , oxidation , catalytic formation of C - C bond and catalytic reaction by using solid acid or base as catalyst , could be used in Fragrance and Flavor Industry to dramatically reduce the waste .

主要研究结果如下：1.采用煅烧法制备一系列硅酸盐固体碱催化剂，并对其进行筛选，结果显示Na2SiO3·9H2O能够作为原料制备固体碱催化剂。

A series sodium solid solid catalyst was prepared by calcination in this paper and selected . The results showed that Na2SiO3 · 9H2O can be used as raw material to prepare solid base catalyst .

固体碱催化剂酯交换反应制备生物柴油的研究

Study on Solid Alkali Catalysts for Synthesis of Biodiesel from Transesterification

固体碱催化剂合成丙烯酸甲酯活性的研究

Research on activity of solid base catalyst in methyl acrylate synthesis

分子筛固载铜希夫碱催化剂的合成及应用研究

Synthesis and application of zeolite encapsulated Cu (ⅱ) Schiff base complex

季铵碱催化剂在合成生物柴油中的应用

Application of quaternary ammonium alkali catalyst in the synthesis of biodiesel