JP6183580B2 - 集塊状ゼオライト吸着剤、その製造方法及びその使用 - Google Patents
集塊状ゼオライト吸着剤、その製造方法及びその使用 Download PDFInfo
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- JP6183580B2 JP6183580B2 JP2012049037A JP2012049037A JP6183580B2 JP 6183580 B2 JP6183580 B2 JP 6183580B2 JP 2012049037 A JP2012049037 A JP 2012049037A JP 2012049037 A JP2012049037 A JP 2012049037A JP 6183580 B2 JP6183580 B2 JP 6183580B2
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- zeolite
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/86—Separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
- B01J20/183—Physical conditioning without chemical treatment, e.g. drying, granulating, coating, irradiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
- B01J20/186—Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3042—Use of binding agents; addition of materials ameliorating the mechanical properties of the produced sorbent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3071—Washing or leaching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
- C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12C—BEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
- C12C11/00—Fermentation processes for beer
- C12C11/02—Pitching yeast
Description
従来技術で、バリウム、カリウムまたはストロンチウムのようなイオンを単独でもしくは組合わせて用いて交換したゼオライトXまたはYからなる吸着剤が少なくとも1種の他のC8芳香族異性体を含む混合物中のp−キシレンを選択的に吸着させるのに有効であることは認識されている。米国特許第3,558,730号明細書、同第3,558,732号明細書、同第3,626,020号明細書及び同第3,663,638号明細書は、バリウムとカリウムで交換したアルミノシリケートからなり、C8芳香族異性体の混合物からp−キシレンを効率的に分離する吸着剤を開示している。
本発明の主題は、1.15<Si/Al≦1.5のSi/Al比を有するゼオライトX及び不活性結合剤を主成分とする集塊状ゼオライト吸着剤であり、前記ゼオライトXの交換可能なカチオンサイトの少なくとも90%がバリウムイオン単独またはバリウムイオンとカリウムイオンで占められており、カリウムで占められる交換可能サイトはバリウム+カリウムで占められる交換可能サイトのせいぜい1/3であり(残部は通常バリウム(及びカリウム)以外のアルカリ金属またはアルカリ土類金属により与えられ得る)、真空下300℃で16時間脱ガス後に77゜Kでの窒素吸着により測定した前記吸着剤のDubinin容量が0.240cm3/g以上、好ましくは0.245cm3/g以上であることを特徴とする。
a)ゼオライトX粉末を、ゼオライトに変換され得るクレーを少なくとも80重量%含む結合剤で凝集し、成形し、乾燥し、か焼するステップ、
b)前記結合剤をアルカリ溶液の作用によりゼオライト化するステップ、
c)ゼオライトXの交換可能サイトの少なくとも90%をバリウムで置換した後、こうして処理した生成物を洗浄し、乾燥するステップ、
d)任意に、ゼオライトXの交換可能サイトの多くとも33%をカリウムで置換した後、こうして処理した生成物を洗浄し、乾燥するステップ、
e)活性化するステップ
を含むことを特徴とする前記集塊物の製造方法である。
ベッド数 6〜30、
ゾーン数 少なくとも4、
温度 100〜250℃、好ましくは150〜190℃、
圧力 0.2〜3MPa、
脱着剤/供給材料流速比 1〜2.5
(例えば、単一吸着ユニット(スタンドのみ)の場合には1.4〜1.8であり、吸着ユニットに結晶化ユニットを組合せた場合には1.1〜1.4である)、
リサイクル度 3.5〜12、好ましくは4〜6。
下記実施例では、本発明の吸着剤の幾つかの量的特性を測定または評価する。
PX 2%
MX 2%
OX 2%
EB 2%
トルエン(脱着剤) 2%
2,2,4−トリメチルペンタン 残部
である。
化合物(A)に対する化合物(B)についての吸着剤の選択率Sel(B/A)は、吸着相中の両化合物の濃度の比を平衡状態の非吸着相中の両化合物の濃度の比で割った値と定義される。
Sel(B/A)=[(B)z/(A)z]/[(B)s/(A)s]
である。ここで、(B)z及び(B)sはそれぞれゼオライト中及び溶液中のBの濃度を表し、(A)z及び(A)sはそれぞれゼオライト中及び溶液中のAの濃度を表す。
Si/Al比が1.25であり、Na/Al比が1である工業用ゼオライトNaXを、(か焼当量として表して)850gのゼオライトX粉末、(か焼当量として表して)150gのCharentesカオリナイト及び6gの(押出操作中水を保持するための保持助剤の)カルボキシメチルセルロースを押出するのに適量の水と共に均密に混合して凝集する。押出物を乾燥し、粉砕して0.7mmに等しい相当径を有する粒子を回収し、その後窒素流下550℃で2時間か焼させる。25℃、0.5の分圧で測定したトルエン吸着能は20.2%である。ミクロ細孔容量は20.2/0.86=0.235cm3/gと解釈される(孔容積の計算において、液相の相対密度は吸収されたトルエンの相対密度と同一、すなわち0.86と見做す)。
Si/Al比が1.25であり、Na/Al比が1である工業用ゼオライトNaXを、(か焼当量として表して)800gのゼオライトX粉末、(か焼当量として表して)150gのカオリン、56gのCecasol(登録商標)30の商標でCECA社から販売されている(30重量%のSiO2及び0.5重量%のNa2Oからなる)コロイドシリカ及び6gのカルボキシメチルセルロースを押出するのに適量の水と共に均密に混合して凝集する。押出物を乾燥し、粉砕して0.7mmに等しい相当径を有する粒子を回収し、その後窒素流下で550℃で2時間か焼させる。この粒子を25℃、0.5の分圧で測定したトルエン吸着能は19.8%である。液相トルエンについての値から推定される吸着トルエンの相対密度から、ミクロ細孔容量は0.23cm3/gに相当すると解釈される。
長さ1m、直径1cmのカラム24本を直列に並べ、24番目のカラムと1番目のカラムの間を循環ポンプを用いて循環させて連続液体クロマトグラフィーパイロットユニットを作製した。前記カラムの各々に実施例1で製造した吸着剤を充填し、ユニット全体(カラム+配管+分配弁)を150℃のオーブンに置く。
抽出物を5.4cm3/分、抽残液を6.74cm3/分で連続的に抜き取る。
実施例3に記載のパイロットユニットを実施例2で製造した吸着剤を用いて操作する。パイロットユニットに導入させる供給材料の流速を最高5.5cm3/分まで増加(すなわち、10%増加)させながら同一純度のp−キシレンを得ることができることが分かる。
Claims (2)
- 1.15<Si/Al≦1.5のSi/Al比を有するゼオライトX及びゼオライト化された結合剤を主成分とする集塊状ゼオライト吸着剤であって、前記ゼオライトX及びゼオライト化された結合剤の交換可能なカチオンサイトの少なくとも95%がバリウムイオン単独またはバリウムイオンとカリウムイオンで占められており、カリウムで占められる交換可能サイトはバリウム+カリウムで占められる交換可能サイトの最高1/3であり(残部は通常アルカリ金属またはバリウム以外のアルカリ土類金属により与えられ得る)、真空下300℃で16時間脱ガス後に77゜Kでの窒素吸着により測定した前記吸着剤のDubinin容量が0.240cm3/g以上であり、900℃で測定した前記吸着剤の強熱減量が5.2〜7.7%であることを特徴とする前記吸着剤。
- Dubinin容量が0.245cm3/g以上であることを特徴とする請求項1に記載の吸着剤。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR99/02151 | 1999-02-22 | ||
FR9902151A FR2789914B1 (fr) | 1999-02-22 | 1999-02-22 | Adsorbants zeolitiques agglomeres a faible taux de liant inerte, leur procede d'obtention et leurs utilisations |
Related Parent Applications (1)
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JP2000600771A Division JP5047416B2 (ja) | 1999-02-22 | 2000-02-16 | 集塊状ゼオライト吸着剤、その製造方法及びその使用 |
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JP2012143757A JP2012143757A (ja) | 2012-08-02 |
JP2012143757A5 JP2012143757A5 (ja) | 2013-05-30 |
JP6183580B2 true JP6183580B2 (ja) | 2017-08-23 |
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JP2000600771A Expired - Lifetime JP5047416B2 (ja) | 1999-02-22 | 2000-02-16 | 集塊状ゼオライト吸着剤、その製造方法及びその使用 |
JP2012049037A Expired - Lifetime JP6183580B2 (ja) | 1999-02-22 | 2012-03-06 | 集塊状ゼオライト吸着剤、その製造方法及びその使用 |
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JP2000600771A Expired - Lifetime JP5047416B2 (ja) | 1999-02-22 | 2000-02-16 | 集塊状ゼオライト吸着剤、その製造方法及びその使用 |
Country Status (17)
Country | Link |
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US (2) | US6884918B1 (ja) |
EP (2) | EP1159065A1 (ja) |
JP (2) | JP5047416B2 (ja) |
KR (1) | KR100650963B1 (ja) |
CN (1) | CN1347339A (ja) |
AR (1) | AR022713A1 (ja) |
AU (1) | AU2678100A (ja) |
BR (1) | BR0008404A (ja) |
ES (1) | ES2425758T3 (ja) |
FR (1) | FR2789914B1 (ja) |
IL (2) | IL144985A0 (ja) |
MY (1) | MY136804A (ja) |
PT (1) | PT1864712E (ja) |
RU (1) | RU2323775C2 (ja) |
SA (1) | SA00201023B1 (ja) |
TW (1) | TW497988B (ja) |
WO (1) | WO2000050166A1 (ja) |
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DE102018109701A1 (de) | 2018-04-23 | 2019-10-24 | Clariant International Ltd | Zeolithhaltiges Adsorbens zur selektiven Abtrennung von Isomeren aus aromatischen Kohlenwasserstoffgemischen, seine Herstellung und Verwendung zur selektiven Abtrennung von Isomeren aus aromatischen Kohlenwasserstoffgemischen |
CN111097371B (zh) * | 2018-10-29 | 2022-03-11 | 中国石油化工股份有限公司 | 一种对二甲苯吸附剂的制备方法 |
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FR3097855B1 (fr) * | 2019-06-28 | 2021-07-23 | Ifp Energies Now | Séparation en phase liquide des sucres de deuxième génération par adsorption sur zéolithe de type FAU de ratio atomique Si/Al inférieur à 1,5 |
FR3112289B1 (fr) | 2020-07-10 | 2022-07-22 | Arkema France | Purification de liquides aromatiques |
FR3117379A1 (fr) | 2020-12-15 | 2022-06-17 | IFP Energies Nouvelles | Procede de preparation d'un materiau microporeux zeolithique contenant plus de 95% de zeolithe x et ayant une bonne resistance mecanique |
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- 2000-02-16 CN CN00806500A patent/CN1347339A/zh active Pending
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Also Published As
Publication number | Publication date |
---|---|
WO2000050166A1 (fr) | 2000-08-31 |
BR0008404A (pt) | 2002-01-29 |
EP1864712B2 (fr) | 2020-01-29 |
CN1347339A (zh) | 2002-05-01 |
US7452840B2 (en) | 2008-11-18 |
AR022713A1 (es) | 2002-09-04 |
FR2789914B1 (fr) | 2001-04-06 |
US20050170947A1 (en) | 2005-08-04 |
TW497988B (en) | 2002-08-11 |
JP2012143757A (ja) | 2012-08-02 |
EP1864712A2 (fr) | 2007-12-12 |
EP1864712A3 (fr) | 2007-12-26 |
IL144985A0 (en) | 2002-06-30 |
SA00201023B1 (ar) | 2006-08-21 |
RU2323775C2 (ru) | 2008-05-10 |
EP1159065A1 (fr) | 2001-12-05 |
IL144985A (en) | 2006-12-31 |
MY136804A (en) | 2008-11-28 |
ES2425758T3 (es) | 2013-10-17 |
RU2001125937A (ru) | 2003-07-27 |
US6884918B1 (en) | 2005-04-26 |
JP2002537109A (ja) | 2002-11-05 |
EP1864712B1 (fr) | 2013-06-05 |
KR100650963B1 (ko) | 2006-11-29 |
KR20010102327A (ko) | 2001-11-15 |
AU2678100A (en) | 2000-09-14 |
FR2789914A1 (fr) | 2000-08-25 |
JP5047416B2 (ja) | 2012-10-10 |
PT1864712E (pt) | 2013-07-30 |
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