Additive agent for reducing aldehydes matter content in cigarette flue gas, production method and application thereof

This invention provides an additive which can reduce the phenols content of cigarette fumes selectively; the additive is an inorganic carrier or acetate fiber which can load ionic liquid, is added into the filter of acetate fiber so as to produce a binary complex filter, thus being capable of reducing the phenols content of cigarette fumes high selectively and having no effect on the cigarette mouth-feel in the process of reducing the damage to smokers. The additive preparation technology of the invention is simple, and the additivity is convenient and the additive can meet the requirement of industrial production.

Additive agent for reducing aldehydes matter content in cigarette flue gas, production method and application thereof

This invention provides an additive which can reduce the phenols content of cigarette fumes selectively; the additive is an inorganic carrier or acetate fiber which can load ionic liquid, is added into the filter of acetate fiber so as to produce a binary complex filter, thus being capable of reducing the phenols content of cigarette fumes high selectively and having no effect on the cigarette mouth-feel in the process of reducing the damage to smokers. The additive preparation technology of the invention is simple, and the additivity is convenient and the additive can meet the requirement ofindustrial production.

Preparing method for orgaic-inorganic hetero-silica pore materials

A functional Si-base mesoporous material is prepared from neutral long-chain organic template, several kinds of organic alkyl siloxane, and sodium silicate through hydrolysis at different temp and polycondensation. Its advantages are low cost, and no environmental pollution.

Ordered organic-inorganic hybrid mesoporous silica and loaded gold nanomaterials, and preparing method thereof

Preparation for organic functional silicon-radical mesopore material

The preparation method of functional silicone base mesopore material is characterized by that in the presence of neutral long-chain organic template agent several kinds of alkyl organic siloxane (RTES) and sodium silicate area respectively cohydrolyzed and condensed under the condition of intermediate acidity and different temperatures in water system, and directly synthesized into the silicone base mesopore material with correspondent organic group. The mole ratio of all the ingredients of raw material is NaSiO39H2O:RTSE:AEO9:NaF:H2O= (96.6-9.9):(0.1-0.4):(0.125):(0.04-0.16):(347). The synthesis process is simple, the adoption of sodium silicate as precursor is favorable for large-scale production and application, and the non-toxic bio-degradable neutral surfactant is used as template agent, it is favorable for environmental protection.

一种有机官能化硅基中孔材料的制备方法

... 一种官能化硅基中孔材料的制备方法是在中性长链有机模板剂存在下，几种烷基有机硅氧烷(RTES)与硅酸钠分别在水体系，中等酸性条件下于不同温度共水解缩聚直接合成带有相应有机基团的硅基中孔材料。原料各组分摩尔比为：Na#-[2]SiO#-[3]・9H#-[2]O∶RTES∶AEO#-[9]∶NaF∶H#-[2]O＝(9.6-9.9)∶(0.1-0.4)∶(0.125)∶(0.04-0.16)∶(347)。合成过程简单，选用廉价硅酸钠为前驱体，有利于材料的大规模生产与应用。采用廉价、无毒、可生物降解的中性表面活性剂为模板剂，有利于环境保护。合成中通过反应参数简单的调变，可以在一定范围内调控材料的组成与结构。 ...

Magnetic photocatalyst

The invention relates to a magnetic photocatalyst which is characterized by comprising ferric nitrate, strontium nitrate and citric acid. The magnetic photocatalyst is prepared by the steps of: a, mixing a ferric nitrate solution with a strontium nitrate solution, dropwise adding excessive citric acid, wherein the mol ratio of the ferric nitrate to the strontium nitrate to the citric acid is 1:1:6; placing into a high-pressure reaction kettle with polytetrafluoroethylene as a lining after stirring for 12-18 min, reacting for 11-13 hours at a temperature of 140-180 DEG C to obtain a grass-green SrFeO3-x sol marked as SOL-1; mixing the ferric nitrate solution with the strontium nitrate solution, dropwise adding excessive citric acid, wherein the mol ratio of the ferric nitrate to the strontium nitrate to the citric acid is 12:1:11.8; placing into the high-pressure reaction kettle with the polytetrafluoroethylene as the lining after stirring for 12-18 min, reacting for 11-13 hours at a temperature ...

Method for preparing 2, 3-butanedione

The invention discloses a method for preparing 2, 3-butanedione, which takes acetaldehyde as raw material, substituted 5-ethoxy thiazole salt as catalyst of acetaldehyde coupling condensation reaction and one or more in MnO2, Bi2O3, CuSO4 or Fe2(SO4)3 as catalyst for preparing the 2, 3-butanedione by acetylmethylcarbinol oxidative dehydrogenation; and the method adopts a 'one pot' method to realize the new technique for preparing the 2, 3-butanedione by carrying out coupling condensation reaction and oxidative dehydrogenation reaction on dimolecular acetaldehyde. The thiazole salt catalyst ofthe method is simple in preparation and low in cost, the dosage of the catalyst in the oxidative dehydrogenation reaction is less, and the technique process flow for preparing the 2, 3-butanedione issimplified by the 'one pot' method. The acetaldehyde has the conversion rate of 80-91%, and the 2, 3-butanedione has the selectively of 80-90%. Therefore, the process route provides a new method for the ...

Preparing method for orgaic-inorganic hetero-silica porous materials

Magnetic photocatalyst

The invention relates to a magnetic photocatalyst which is characterized by having a manufacturing method comprising ferric nitrate, strontium nitrate and citric acid. The magnetic photocatalyst is prepared by the steps of: a, mixing a ferric nitrate solution with a strontium nitrate solution, dropwise adding excessive citric acid, wherein the mol ratio of the ferric nitrate to the strontium nitrate to the citric acid is 1:1:6; placing into a high-pressure reaction kettle with polytetrafluoroethylene as a lining after stirring for 12-18 min, reacting for 11-13 hours at a temperature of 140-180 DEG C to obtain a grass-green SrFeO3-x sol marked as SOL-1; mixing the ferric nitrate solution with the strontium nitrate solution, dropwise adding excessive citric acid, wherein the mol ratio of the ferric nitrate to the strontium nitrate to the citric acid is 12:1:11.8; placing into the high-pressure reaction kettle with the polytetrafluoroethylene as the lining after stirring for 12-18 min, reacting ...

Method for synthesizing 3-hydroxy-2-butanone

The invention provides a method for synthesizing 3-hydroxy-2-butanone. In a self-generated pressure reaction kettle, cheap and stable paracetaldehyde is used as raw material, thiazole salt is used as a catalyst, the catalytic synthesis of the 3-hydroxy-2-butanone by a 'one-pot' method is realized by the continuous reaction of the high-temperature depolymerization of the paracetaldehyde and the coupling condensation of acetaldehyde by catalysis, the conversion rate of the paracetaldehyde is 90-98%, and the selectivity of the 3-hydroxy-2-butanone is 85-95%. The invention has the obvious characteristics that the use of the raw material of the volatilizable acetaldehyde is avoided, the conversion rate of the raw material of the paracetaldehyde is high, the paracetaldehyde is utilized to a maximum limit, the technological operation is simple, the cost is low, the product is easy to separate, and a novel preparation method is provided for the industrial production of the 3-hydroxy-2-butanone.