JP2022158149A5 - - Google Patents
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- JP2022158149A5 JP2022158149A5 JP2021062849A JP2021062849A JP2022158149A5 JP 2022158149 A5 JP2022158149 A5 JP 2022158149A5 JP 2021062849 A JP2021062849 A JP 2021062849A JP 2021062849 A JP2021062849 A JP 2021062849A JP 2022158149 A5 JP2022158149 A5 JP 2022158149A5
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- JP
- Japan
- Prior art keywords
- alumina
- silica
- aqueous solution
- catalytic cracking
- cracking catalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 13
- 239000000377 silicon dioxide Substances 0.000 claims 8
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 claims 5
- 239000007864 aqueous solution Substances 0.000 claims 5
- 239000003054 catalyst Substances 0.000 claims 5
- 238000004231 fluid catalytic cracking Methods 0.000 claims 5
- 239000000843 powder Substances 0.000 claims 5
- 238000005259 measurement Methods 0.000 claims 3
- 239000002245 particle Substances 0.000 claims 3
- 239000002243 precursor Substances 0.000 claims 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 claims 2
- 238000002441 X-ray diffraction Methods 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000011268 mixed slurry Substances 0.000 claims 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims 2
- 150000002910 rare earth metals Chemical group 0.000 claims 2
- 239000002002 slurry Substances 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- 239000002841 Lewis acid Substances 0.000 claims 1
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- 229910021536 Zeolite Inorganic materials 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 239000004927 clay Substances 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 150000007517 lewis acids Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 238000001694 spray drying Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 239000010457 zeolite Substances 0.000 claims 1
Claims (5)
ａ．ＳｉＯ２を８～２０質量％の範囲で含有すること、
ｂ．Ｘ線回折によるベーマイトアルミナ（０２０）面の結晶子径が１０～５０ｎｍであること、
ｃ．該シリカアルミナ粉末の比表面積が９０～２３０ｍ２／ｇの範囲であること、
ｄ．表面積当たりの酸量である酸密度が、０．７５～１．００μｍｏｌ／ｍ２の範囲であること、
ｅ．ＴＧ－ＤＴＡ測定（重量変化－示差熱測定）において、ベーマイトアルミナからガンマアルミナへの結晶転位温度が４７０℃以上であること、
ｆ．ＣＯ吸着ＦＴ－ＩＲ測定（フーリエ変換赤外分光光度計による測定）において、２２３０ｃｍ－１付近にピークを示すルイス酸が存在すること。 A silica alumina powder having the following characteristics a to f.
a. Containing SiO 2 in a range of 8 to 20% by mass,
b. The crystallite diameter of the boehmite alumina (020) plane according to X-ray diffraction is 10 to 50 nm,
c. The specific surface area of the silica alumina powder is in the range of 90 to 230 m 2 /g;
d. The acid density, which is the amount of acid per surface area, is in the range of 0.75 to 1.00 μmol/m 2 ;
e. In TG-DTA measurement (weight change-differential thermal measurement), the crystal transition temperature from boehmite alumina to gamma alumina is 470°C or higher;
f. The presence of a Lewis acid that exhibits a peak around 2230 cm -1 in CO adsorption FT-IR measurement (measured using a Fourier transform infrared spectrophotometer).
前記工程（Ａ）で得られた前記シリカアルミナ前駆体を含む水溶液ＡのｐＨを、８．０以上に調整した後、７０～１８０℃の温度範囲で、２時間以上加熱処理し、シリカアルミナスラリーＡを得る工程（Ｂ）と、
該シリカアルミナスラリーＡから固形分を分離させ、シリカアルミナ粉末を得る工程（Ｃ）と、を備え、
前記アルミナ水和物をＸ線回折測定したとき、ベーマイトアルミナ（０２０）面の結晶子径が１０～５０ｎｍであり、
前記工程（Ａ）で、シリカとアルミナの質量比が、８／９２～２０／８０の範囲になるように前記水溶液Ａを調製する、シリカアルミナ粉末の製造方法。 A step (A) of mixing an aqueous solution containing alumina hydrate and an aqueous solution containing a silica precursor to prepare an aqueous solution A containing a silica-alumina precursor ;
After adjusting the pH of the aqueous solution A containing the silica-alumina precursor obtained in the step (A) to 8.0 or higher, heat treatment is performed at a temperature range of 70 to 180°C for 2 hours or more to form silica-alumina. Step (B) of obtaining slurry A;
A step (C) of separating solid content from the silica alumina slurry A to obtain silica alumina powder,
When the alumina hydrate was measured by X-ray diffraction, the crystallite diameter of the boehmite alumina (020) plane was 10 to 50 nm,
In the step (A), the aqueous solution A is prepared such that the mass ratio of silica to alumina is in the range of 8/92 to 20/80.
前記混合スラリーを、噴霧乾燥し、乾燥粒子を得る工程（２）と、
前記乾燥粒子を、洗浄、乾燥して、流動接触分解触媒を得る工程（３）と、を備える流動接触分解触媒の製造方法。 A step (1) of mixing the silica alumina powder component according to claim 1, a binder component, a clay component (filling agent), a zeolite component, and an additive to obtain a mixed slurry ;
Spray drying the mixed slurry to obtain dry particles (2);
A method for producing a fluid catalytic cracking catalyst, comprising a step (3) of washing and drying the dry particles to obtain a fluid catalytic cracking catalyst.
前記乾燥粒子を、洗浄した後、希土類金属交換し、希土類金属交換した流動接触分解触媒を得る工程（４）を行うことを特徴とする請求項４に記載の流動接触分解触媒の製造方法。 Instead of the step (3),
The production of a fluid catalytic cracking catalyst according to claim 4 , characterized in that after washing the dry particles, the step (4) of performing rare earth metal exchange to obtain a rare earth metal exchanged fluid catalytic cracking catalyst is performed. Method.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021062849A JP2022158149A (en) | 2021-04-01 | 2021-04-01 | Silica-alumina powder, method for silica-alumina powder, fluid catalytic cracking catalyst, and method for producing the same |
| PCT/JP2021/048492 WO2022196025A1 (en) | 2021-03-19 | 2021-12-27 | Silica-alumina powder, method for producing silica-alumina powder, fluid catalytic cracking catalyst and method for producing same |
| DE112021007314.1T DE112021007314T5 (en) | 2021-03-19 | 2021-12-27 | Silica-alumina powder, process for producing silica-alumina powder, catalyst for fluid catalytic cracking and process for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021062849A JP2022158149A (en) | 2021-04-01 | 2021-04-01 | Silica-alumina powder, method for silica-alumina powder, fluid catalytic cracking catalyst, and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022158149A JP2022158149A (en) | 2022-10-17 |
| JP2022158149A5 true JP2022158149A5 (en) | 2024-03-14 |
Family
ID=83638869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021062849A Pending JP2022158149A (en) | 2021-03-19 | 2021-04-01 | Silica-alumina powder, method for silica-alumina powder, fluid catalytic cracking catalyst, and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2022158149A (en) |
-
2021
- 2021-04-01 JP JP2021062849A patent/JP2022158149A/en active Pending
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