CN108187603A - A kind of modified phosphate aluminum molecular screen material and preparation method and application - Google Patents

A kind of modified phosphate aluminum molecular screen material and preparation method and application Download PDF

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CN108187603A
CN108187603A CN201810004560.2A CN201810004560A CN108187603A CN 108187603 A CN108187603 A CN 108187603A CN 201810004560 A CN201810004560 A CN 201810004560A CN 108187603 A CN108187603 A CN 108187603A
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crapo
cigarette
preparation
boehmite
main flume
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王亚明
温青青
蒋丽红
郑燕娥
贾庆明
陕绍云
郑青叶
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Kunming University of Science and Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0248Compounds of B, Al, Ga, In, Tl
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0218Compounds of Cr, Mo, W
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/0203Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
    • B01J20/0259Compounds of N, P, As, Sb, Bi
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28047Gels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/406Ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/408Cyanides, e.g. hydrogen cyanide (HCH)

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

Modification phosphate aluminium molecular sieve material the invention discloses hydrocyanic acid release amount in a kind of energy selectivity reducing cigarette main flume and preparation method and application.By adding triethylamine template, using chromic nitrate as chromium source, boehmite is silicon source, and phosphoric acid is phosphorus source, and CrAPO 5 is synthesized using hydro-thermal method.The material first Application is in cigarette filter rod, and alternative reduces the hydrocyanic acid release amount 53.29% in cigarette mainstream flue gas, to the reduced rate unobvious of other gas burst sizes in cigarette mainstream flue gas.Compared on going result, additive amount is few, can realize efficiently drop evil, have good application value.

Description

A kind of modified phosphate aluminum molecular screen material and preparation method and application
Technical field
The present invention relates to a kind of modified phosphate aluminum molecular screen materials and preparation method and application, and in particular to a kind of to select Selecting property reduces modified phosphate aluminum molecular screen material of determination of hydrogen cyanide in mainstream cigarette smoke burst size and preparation method and application, belongs to In cigarette material preparing technical field.
Background technology
As people are to the growing interest smoked with health problem, the harmful components in cigarette, the suction for improving cigarette are reduced Eating safety becomes the emphasis of tobacco business research work.Domestic tobacco business has carried out into one the substance in Huffman inventory Step is clear and definite, and State Bureau points out CO, HCN, NNK, NH3, 7 kinds of benzo [a] pyrene, phenol and crotonaldehyde harmful components burst sizes can be effective Characterize cigarette mainstream flue gas biohazardous.For further Development of Tobacco, the volume of low tar, less harmful is researched and developed Cigarette is the top priority of current enterprise.
Hydrogen cyanide(HCN)It is a kind of colourless poisonous gas or liquid with semen armeniacae amarae taste, low boiling point, volatile, room temperature Under exist in gaseous form, can by all means it is oral or nasal sucking make one to be poisoned, hydrogen cyanide is soluble easily in water, ethyl alcohol, micro- Ether is dissolved in, aqueous is in faintly acid, belongs to the extremely toxic substance of high volatile, and intoxication mainly passes through CN-Occur.Hydrogen in cigarette Cyanic acid is mainly derived from nitrate and nitrogenous compound in tobacco(Such as amino acid, protein)Oxidation point during burning and sucking Solution, burst size are about 30-300 μ g/ branch, and the hydrogen cyanide in flue gas is sucked through respiratory tract, can be with internal high swage cell color Plain oxidizing ferment, which combines, becomes cyaniding high ferro shape cytochrome oxidase, loses the effect for transmitting oxygen, causes histanoxia and be poisoned, Harm is generated to the health of people.Therefore, exploitation can effectively reduce the material of determination of hydrogen cyanide in mainstream cigarette smoke burst size To improving smoking property of cigarette safety, protection human health is of great significance.
At present, the removal for hydrogen cyanide micro in cigarette mainstream flue gas both at home and abroad, it is more using absorption method and catalysis oxygen Change method.Ammonium carboxylate salt made from the primary amine or secondary amine of alkyl or hydroxyalkyl and carboxylic acid reaction is dispersed in by US3410282 can make cigarette Gas by carrier on, the HCN in selectively removing cigarette smoke.CN1462652A etc. elaborates that catalytic oxidation is reducing volume Effect in cigarette in hydrogen cyanide shows higher catalytic activity.But production cost is higher, and in process of production, meeting Have and be unevenly distributed phenomenon in single cigarette, it is difficult to control.
Invention content
In view of the defects existing in the prior art, the present invention provides hydrogen cyanide in a kind of energy selectivity reducing cigarette main flume Modified phosphate aluminum molecular screen material of burst size and preparation method and application.
The purpose of the present invention is achieved through the following technical solutions:
The preparation side of the modified phosphate aluminum molecular screen material of hydrocyanic acid release amount in a kind of energy selectivity reducing cigarette main flume Method includes the following steps:
(1)The preparation of CrAPO-5 Primogels:Suspension is made with water in boehmite, later by chromic nitrate water dissolution Afterwards, it is added in boehmite suspension, is stirred in suspension;Later, it under stirring, is added dropwise Volumetric concentration is 80~85% phosphoric acid, and after continuing 0.9~1.1h of stirring after adding, three second are added dropwise in the state of stirring Amine continues 1.9~2.1h of stirring after adding, obtain CrAPO-5 Primogels;
Wherein, the Al in chromic nitrate, boehmite2O3、H3PO4, triethylamine and water the molar ratio of total dosage be n:(1-n): 1:0.74~0.76:M, wherein n=0.03~0.09, m=1.00~1.22;Total dosage of the water is institute in boehmite The amount of the crystallization water contained, the amount that boehmite is made to water used in suspension with by the amount of chromic nitrate dissolving water used it With.
(2)Crystallization, drying and roasting:By step(1)The CrAPO-5 Primogels that prepare add in using polytetrafluoroethylene (PTFE) as It in the reaction kettle of liner, at 180~200 DEG C after 24~48h of crystallization, takes out and is rapidly cooled to room temperature, wash 2 ~ 5 later It is secondary, be placed in 118~122 DEG C of baking ovens dry 7.5~8.5h, take out, wear into fine powder to 100 mesh, finally by fine powder 450~ 650 DEG C of Muffle 4~6h of kiln roasting, obtains CrAPO-5, i.e., hydrogen cyanide in described energy selectivity reducing cigarette main flume The modified phosphate aluminum molecular screen material of burst size.
The present invention also provides hydrogen cyanide in the energy selectivity reducing cigarette main flume as made from the preparation method to discharge The modified phosphate aluminum molecular screen material C rAPO-5 of amount.CrAPO-5 mesoporous pore sizes obtained are 5-8nm, and specific surface area is not less than 200m2/g。
The present invention also provides hydrogen cyanide in the energy selectivity reducing cigarette main flume as made from the preparation method to discharge Applications of the modified phosphate aluminum molecular screen material C rAPO-5 of amount as cigarette filter-tip additive agent.
Preferably, CrAPO-5 is added in the middle part of cigarette filter.
XRD tests are done to CrAPO-5 obtained, test spectrogram is as shown in Figure 2.The XRD of CrAPO-5 as can be seen from Figure 2 There is characteristic peak and corresponds to crystal face in 2 θ=100 °, 20 °, 34 °, 56 °, 59 °, 69 °, 36 ° and 23 ° in spectrogram(100)、(211)、 (002)、(200)、(110)、(220)、(311)、(400)It is completely the same with the characteristic peak of APO-5, illustrate metal heteroatom lattice Original phosphate aluminium molecular sieve skeleton is not destroyed after aluminium on substitution skeleton in AFI topological structures.Table 1 is by cell parameter The data being calculated, it can be seen that the unit cell volume increase of APO-5 compared with the unit cell volume of CrAPO-5, and in figure simultaneously There is no the appearance of the peak of metal and metal oxide, this illustrates metals to be successfully doped in skeleton.
1 molecular sieve cell parameter of table and unit cell volume
The metal state in XPS measure framework of molecular sieve is carried out to CrAPO-5, Fig. 3 is the XPS spectrum figure of CrAPO-5.It is combined in figure Can be Cr for the characteristic peak of 574.6eV and 584.3eV3+Characteristic peak, illustrate prepare CrAPO-5 on be successfully loaded with Cr member Element, and with Cr3+Form exist.Instead of the part Al and P on skeleton after on metallic element introducing APO-5, replace Al3+And Its acidity is not interfered with, and P is+5 valencys, by Cr3+It has extra active sites after substitution to vacate, so as to adsorb the stronger hydrogen of polarity Cyanic acid.
Nitrogen adsorption-desorption test analysis is carried out to CrAPO-5, Fig. 4 is nitrogen adsorption-desorption of CrAPO-5 molecular sieves Curve and graph of pore diameter distribution, it is seen that adsorption desorption balanced line is 0.3<P/P0<Standard is presented in 0.9 pressure limit IV type hysteresis loop, illustrate two kinds of materials for the uniform mesoporous material in aperture.The mesoporous channel of the offer of CrAPO-5 molecular sieves can To allow the entrance of hydrogen cyanide, it is possible to physical absorption hydrogen cyanide.
With respect to current material, the invention has the advantages that:
1st, modified phosphate aluminum molecular screen material prepared by the present invention has loose, porous cavity structure, has larger specific surface Product, every cigarette addition 20mg CrAPO-5 can effectively reduce the hydrogen cyanide in cigarette smoke, can be maximized in same attribute material Reduction hydrogen cyanide, and the cambridge filter after infrared test adsorbs do not find CrAPO-5 sieve components, illustrates this Material has good safety;
2nd, preparation method of the present invention belongs to hydrothermal synthesis method, and the iron that Cr atoms enter APO-5 skeletons is carried as lattice substitution Load, i.e., aluminum-oxygen tetrahedron in the coordination tetrahedron of generating portion chromium metal and oxygen substitution skeleton in framework of molecular sieve;
3rd, the present invention is modified APO-5 molecular sieves using lattice method of substitution, and APO-5 changes electronegativity after Cr is added in, this is sent out Bright material is used in cigarette filter after preparing composite filter tip, can effectively reduce the burst size of the HCN in cigarette mainstream flue gas, highest Its burst size 43.73% can be reduced;
4th, the lower cost for material, safe and reliable, method is simple, has reliable commercial Application.
Description of the drawings
Fig. 1 is the scanning electron microscope of CrAPO-5 prepared by embodiment 5(SEM)Figure;
The XRD spectra of CrAPO-5 that Fig. 2 is APO-5 and prepared by embodiment 5;
Fig. 3 is the XPS spectrum figure of CrAPO-5 prepared by embodiment 5;
Fig. 4 is physical absorption-desorption curve of CrAPO-5 prepared by embodiment 5.
Specific embodiment
With reference to embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and it should not be regarded as limiting this hair Bright range.In the examples where no specific technique or condition is specified, according to the described technology of document in the art or condition Or it is carried out according to product description.Reagents or instruments used without specified manufacturer, being can be by buying what is obtained Conventional products.
Embodiment 1
The preparation side of the modified phosphate aluminum molecular screen material of hydrocyanic acid release amount in a kind of energy selectivity reducing cigarette main flume Method includes the following steps:
(1)The preparation of CrAPO-5 Primogels:Suspension is made with distilled water in boehmite, later steams chromic nitrate After distilled water dissolving, it is added in boehmite suspension, is stirred in suspension;Later, under stirring, The phosphoric acid that volumetric concentration is 80% is added dropwise, continues after adding after stirring 1h, triethylamine is added dropwise in the state of stirring, Continue to stir 1.9h after adding, obtain CrAPO-5 Primogels;
Wherein, the Al in chromic nitrate, boehmite2O3、H3PO4, triethylamine and water the molar ratio of total dosage be 0.03: 0.97:1:0.75:1.00;
(2)Crystallization, drying and roasting:By step(1)The CrAPO-5 Primogels prepared are added in using polytetrafluoroethylene (PTFE) as liner Reaction kettle in, at 200 DEG C after crystallization 36h, take out and ice water used to be rapidly cooled to room temperature, later using deionized water Washing 2 times is placed in 118 DEG C of baking ovens dry 8.5h, takes out, wear into fine powder to 100 mesh using agate mortar, finally fine powder exists 550 DEG C of Muffle kiln roasting 6h, obtains CrAPO-5, can hydrocyanic acid release amount in selectivity reducing cigarette main flume Modified phosphate aluminium molecular sieve filter tip adsorption material.
The CrAPO-5 being prepared is added in the middle part of the acetic acid filter tip of cigarette, addition is 20mg/ branch, and not add Enter the blank cigarette of CrAPO-5 as control, each 6 cigarette of sample test, and one group of Duplicate Samples is set, filtered with built-in Cambridge The trap of piece collects smoke components.It is needed before experiment by all samples and cambridge filter in temperature(20±2)DEG C, humidity(60± 2)48h is placed in the constant temperature and humidity tandem-driving bogie of %, using the linear smoking machine of Britain Si Rulin CERULEANSM450 types, according to Method as defined in GB/T19609-2004 measures the content by ammonia, HCN in cigarette smoke after filter tip respectively, the results are shown in Table 2.
Table 2
Embodiment 2
The preparation side of the modified phosphate aluminum molecular screen material of hydrocyanic acid release amount in a kind of energy selectivity reducing cigarette main flume Method includes the following steps:
(1)The preparation of CrAPO-5 Primogels:Suspension is made with distilled water in boehmite, later steams chromic nitrate After distilled water dissolving, it is added in boehmite suspension, is stirred in suspension;Later, under stirring, The phosphoric acid that volumetric concentration is 82% is added dropwise, continues after adding after stirring 0.9h, three second is added dropwise in the state of stirring Amine continues to stir 1.9h after adding, obtains CrAPO-5 Primogels;
Wherein, the Al in chromic nitrate, boehmite2O3、H3PO4, triethylamine and water the molar ratio of total dosage be 0.03: 0.97:1:0.74:1.10;
(2)Crystallization, drying and roasting:By step(1)The CrAPO-5 Primogels prepared are added in using polytetrafluoroethylene (PTFE) as liner Reaction kettle in, at 200 DEG C after crystallization 36h, take out and ice water used to be rapidly cooled to room temperature, later using deionized water Washing 5 times is placed in 120 DEG C of baking ovens dry 8h, takes out, wear into fine powder to 100 mesh using agate mortar, finally fine powder exists 550 DEG C of Muffle kiln roasting 5h, obtains CrAPO-5, can hydrocyanic acid release amount in selectivity reducing cigarette main flume Modified phosphate aluminium molecular sieve filter tip adsorption material.
The CrAPO-5 being prepared is added in the middle part of the acetic acid filter tip of cigarette, addition is 20mg/ branch, and not add Enter the blank cigarette of CrAPO-5 as control, each 6 cigarette of sample test, and one group of Duplicate Samples is set, filtered with built-in Cambridge The trap of piece collects smoke components.It is needed before experiment by all samples and cambridge filter in temperature(20±2)DEG C, humidity(60± 2)48h is placed in the constant temperature and humidity tandem-driving bogie of %, using the linear smoking machine of Britain Si Rulin CERULEANSM450 types, according to Method as defined in GB/T19609-2004 measures the content by ammonia, HCN in cigarette smoke after filter tip respectively, the results are shown in Table 3.
Table 3
Embodiment 3
The preparation side of the modified phosphate aluminum molecular screen material of hydrocyanic acid release amount in a kind of energy selectivity reducing cigarette main flume Method includes the following steps:
(1)The preparation of CrAPO-5 Primogels:Suspension is made with distilled water in boehmite, later steams chromic nitrate After distilled water dissolving, it is added in boehmite suspension, is stirred in suspension;Later, under stirring, The phosphoric acid that volumetric concentration is 83% is added dropwise, continues after adding after stirring 1h, triethylamine is added dropwise in the state of stirring, Continue to stir 1.9h after adding, obtain CrAPO-5 Primogels;
Wherein, the Al in chromic nitrate, boehmite2O3、H3PO4, triethylamine and water the molar ratio of total dosage be 0.03: 0.97:1:0.75:1.11;
(2)Crystallization, drying and roasting:By step(1)The CrAPO-5 Primogels prepared are added in using polytetrafluoroethylene (PTFE) as liner Reaction kettle in, at 180 DEG C after crystallization 48h, take out and ice water used to be rapidly cooled to room temperature, later using deionized water Washing 2 times is placed in 121 DEG C of baking ovens dry 8h, takes out, wear into fine powder to 100 mesh using agate mortar, finally fine powder exists 650 DEG C of Muffle kiln roasting 4h, obtains CrAPO-5, can hydrocyanic acid release amount in selectivity reducing cigarette main flume Modified phosphate aluminium molecular sieve filter tip adsorption material.
The CrAPO-5 being prepared is added in the middle part of the acetic acid filter tip of cigarette, addition is 20mg/ branch, and with to add Enter the blank cigarette of CrAPO-5 as control, each 6 cigarette of sample test, and one group of Duplicate Samples is set, filtered with built-in Cambridge The trap of piece collects smoke components.It is needed before experiment by all samples and cambridge filter in temperature(20±2)DEG C, humidity(60± 2)48h is placed in the constant temperature and humidity tandem-driving bogie of %, using the linear smoking machine of Britain Si Rulin CERULEANSM450 types, according to Method as defined in GB/T19609-2004 measures the content by ammonia, HCN in cigarette smoke after filter tip respectively, the results are shown in Table 4.
Table 4
Embodiment 4
The preparation side of the modified phosphate aluminum molecular screen material of hydrocyanic acid release amount in a kind of energy selectivity reducing cigarette main flume Method includes the following steps:
(1)The preparation of CrAPO-5 Primogels:Suspension is made with distilled water in boehmite, later steams chromic nitrate After distilled water dissolving, it is added in boehmite suspension, is stirred in suspension;Later, under stirring, The phosphoric acid that volumetric concentration is 85% is added dropwise, continues after adding after stirring 1.1h, three second is added dropwise in the state of stirring Amine continues to stir 2.1h after adding, obtains CrAPO-5 Primogels;
Wherein, the Al in chromic nitrate, boehmite2O3、H3PO4, triethylamine and water the molar ratio of total dosage be 0.06: 0.94:1:0.75:1.22;
(2)Crystallization, drying and roasting:By step(1)The CrAPO-5 Primogels prepared are added in using polytetrafluoroethylene (PTFE) as liner Reaction kettle in, at 190 DEG C crystallization for 24 hours after, take out and ice water used to be rapidly cooled to room temperature, later using deionized water Washing 2 times is placed in 122 DEG C of baking ovens dry 7.5h, takes out, wear into fine powder to 100 mesh using agate mortar, finally fine powder exists 450 DEG C of Muffle kiln roasting 6h, obtains CrAPO-5, can hydrocyanic acid release amount in selectivity reducing cigarette main flume Modified phosphate aluminium molecular sieve filter tip adsorption material.
The CrAPO-5 being prepared is added in the middle part of the acetic acid filter tip of cigarette, addition is 20mg/ branch, and not add Enter the blank cigarette of CrAPO-5 as control, each 6 cigarette of sample test, and one group of Duplicate Samples is set, filtered with built-in Cambridge The trap of piece collects smoke components.It is needed before experiment by all samples and cambridge filter in temperature(20±2)DEG C, humidity(60± 2)48h is placed in the constant temperature and humidity tandem-driving bogie of %, using the linear smoking machine of Britain Si Rulin CERULEANSM450 types, according to Method as defined in GB/T19609-2004 measures the content by ammonia, HCN in cigarette smoke after filter tip respectively, the results are shown in Table 5.
Table 5
Embodiment 5
The preparation side of the modified phosphate aluminum molecular screen material of hydrocyanic acid release amount in a kind of energy selectivity reducing cigarette main flume Method includes the following steps:
(1)The preparation of CrAPO-5 Primogels:Suspension is made with distilled water in boehmite, later steams chromic nitrate After distilled water dissolving, it is added in boehmite suspension, is stirred in suspension;Later, under stirring, The phosphoric acid that volumetric concentration is 85% is added dropwise, continues after adding after stirring 1.1h, three second is added dropwise in the state of stirring Amine continues to stir 2h after adding, obtains CrAPO-5 Primogels;
Wherein, the Al in chromic nitrate, boehmite2O3、H3PO4, triethylamine and water the molar ratio of total dosage be 0.09: 0.91:1:0.76:1.11;
(2)Crystallization, drying and roasting:By step(1)The CrAPO-5 Primogels prepared are added in using polytetrafluoroethylene (PTFE) as liner Reaction kettle in, at 190 DEG C after crystallization 36h, take out and ice water used to be rapidly cooled to room temperature, later using deionized water Washing 3 times is placed in 120 DEG C of baking ovens dry 8h, takes out, wear into fine powder to 100 mesh using agate mortar, finally fine powder exists 450 DEG C of Muffle kiln roasting 5h, obtains CrAPO-5, i.e., modified phosphate aluminium molecular sieve filter tip adsorption material.
The scanning electron microscope of CrAPO-5 obtained(SEM)Figure is as shown in Figure 1, with the XRD spectra of APO-5 as shown in Fig. 2, XPS Spectrogram is as shown in figure 3, physical absorption-desorption curve is as shown in Figure 4.
The CrAPO-5 being prepared is added in the middle part of the acetic acid filter tip of cigarette, addition is 20mg/ branch, and not add Enter the blank cigarette of CrAPO-5 as control, each 6 cigarette of sample test, and one group of Duplicate Samples is set, filtered with built-in Cambridge The trap of piece collects smoke components.It is needed before experiment by all samples and cambridge filter in temperature(20±2)DEG C, humidity(60± 2)48h is placed in the constant temperature and humidity tandem-driving bogie of %, using the linear smoking machine of Britain Si Rulin CERULEANSM450 types, according to Method as defined in GB/T19609-2004 measures the content by ammonia, HCN in cigarette smoke after filter tip respectively, the results are shown in Table 6;
Table 6

Claims (5)

1. a kind of preparation side of the modification phosphate aluminium molecular sieve material of hydrocyanic acid release amount in energy selectivity reducing cigarette main flume Method includes the following steps:
(1)The preparation of CrAPO-5 Primogels:Suspension is made with water in boehmite, later by chromic nitrate water dissolution Afterwards, it is added in boehmite suspension, is stirred in suspension;Later, it under stirring, is added dropwise Volumetric concentration is 80~85% phosphoric acid, and after continuing 0.9~1.1h of stirring after adding, three second are added dropwise in the state of stirring Amine continues 1.9~2.1h of stirring after adding, obtain CrAPO-5 Primogels;
(2)Crystallization, drying and roasting:By step(1)The CrAPO-5 Primogels that prepare are added in reaction kettle, 180~ It at 200 DEG C after 24~48h of crystallization, takes out and is rapidly cooled to room temperature, wash 2 ~ 5 times later, in 118~122 DEG C dry 7.5 ~8.5h takes out, and wears into fine powder to 100 mesh, and fine powder finally is roasted 4~6h at 450~650 DEG C, obtains CrAPO-5, can The modification phosphate aluminium molecular sieve material of hydrocyanic acid release amount in selectivity reducing cigarette main flume.
2. preparation method according to claim 1, which is characterized in that the Al in chromic nitrate, boehmite2O3、H3PO4、 The molar ratio of total dosage of triethylamine and water is n:(1-n):1:0.74~0.76:M, wherein n=0.03~0.09, m=1.00~ 1.22。
3. hydrocyanic acid release amount changes in preparation method described in claim 1 energy selectivity reducing cigarette main flume obtained Property aluminium phosphate molecular sieve material.
4. the modified phosphate aluminum molecular screen of hydrocyanic acid release amount in the energy selectivity reducing cigarette main flume described in claim 3 Material is as the application in cigarette additive.
5. application according to claim 4, which is characterized in that by hydrogen cyanogen in the energy selectivity reducing cigarette main flume The modified phosphate aluminum molecular screen material of sour burst size is added in cigarette filter.
CN201810004560.2A 2018-01-03 2018-01-03 A kind of modified phosphate aluminum molecular screen material and preparation method and application Pending CN108187603A (en)

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CN102205975A (en) * 2011-05-28 2011-10-05 山西昆明烟草有限责任公司 Modified aluminium phosphate molecular sieve additive capable of reducing aldehyde and ketone compound contents in cigarette smoke as well as preparation and application thereof
CN107252672A (en) * 2017-07-21 2017-10-17 云南中烟工业有限责任公司 A kind of modified phosphate aluminium molecular sieve filter tip adsorption material and preparation method and application
CN107416857A (en) * 2017-07-21 2017-12-01 云南中烟工业有限责任公司 A kind of modified phosphate aluminum molecular screen flue gas sorbing material containing cobalt and preparation method and application

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195645A (en) * 1978-03-13 1980-04-01 Celanese Corporation Tobacco-substitute smoking material
CN101195093A (en) * 2007-12-24 2008-06-11 上海兖矿能源科技研发有限公司 Chromium modified silicon aluminum phosphoric acid molecular sieve, preparation method and application thereof
CN102205975A (en) * 2011-05-28 2011-10-05 山西昆明烟草有限责任公司 Modified aluminium phosphate molecular sieve additive capable of reducing aldehyde and ketone compound contents in cigarette smoke as well as preparation and application thereof
CN107252672A (en) * 2017-07-21 2017-10-17 云南中烟工业有限责任公司 A kind of modified phosphate aluminium molecular sieve filter tip adsorption material and preparation method and application
CN107416857A (en) * 2017-07-21 2017-12-01 云南中烟工业有限责任公司 A kind of modified phosphate aluminum molecular screen flue gas sorbing material containing cobalt and preparation method and application

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Application publication date: 20180622