JP5756088B2 - エポキシ化反応及びその運転条件 - Google Patents
エポキシ化反応及びその運転条件 Download PDFInfo
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- JP5756088B2 JP5756088B2 JP2012507300A JP2012507300A JP5756088B2 JP 5756088 B2 JP5756088 B2 JP 5756088B2 JP 2012507300 A JP2012507300 A JP 2012507300A JP 2012507300 A JP2012507300 A JP 2012507300A JP 5756088 B2 JP5756088 B2 JP 5756088B2
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- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002169 ethanolamines Chemical class 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 description 1
- 229940071125 manganese acetate Drugs 0.000 description 1
- 239000011564 manganese citrate Substances 0.000 description 1
- 235000014872 manganese citrate Nutrition 0.000 description 1
- 229940097206 manganese citrate Drugs 0.000 description 1
- OKVGBKABWITJQA-UHFFFAOYSA-L manganese dithionate Chemical compound [Mn+2].[O-]S(=O)(=O)S([O-])(=O)=O OKVGBKABWITJQA-UHFFFAOYSA-L 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- AZMQGJINSTTZTP-UHFFFAOYSA-J manganese(2+);disulfate Chemical compound [Mn+2].[Mn+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O AZMQGJINSTTZTP-UHFFFAOYSA-J 0.000 description 1
- RGVLTEMOWXGQOS-UHFFFAOYSA-L manganese(2+);oxalate Chemical compound [Mn+2].[O-]C(=O)C([O-])=O RGVLTEMOWXGQOS-UHFFFAOYSA-L 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- ALTWGIIQPLQAAM-UHFFFAOYSA-N metavanadate Chemical class [O-][V](=O)=O ALTWGIIQPLQAAM-UHFFFAOYSA-N 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- DYIZHKNUQPHNJY-UHFFFAOYSA-N oxorhenium Chemical class [Re]=O DYIZHKNUQPHNJY-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 150000003282 rhenium compounds Chemical class 0.000 description 1
- 229910003449 rhenium oxide Inorganic materials 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- HRLYFPKUYKFYJE-UHFFFAOYSA-N tetraoxorhenate(2-) Chemical compound [O-][Re]([O-])(=O)=O HRLYFPKUYKFYJE-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- 150000003658 tungsten compounds Chemical class 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
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- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
- C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
- C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
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- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
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- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
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- C—CHEMISTRY; METALLURGY
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- C07D301/22—Synthesis of the oxirane ring by oxidation of saturated compounds with air or molecular oxygen
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- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/14—Heterocyclic carbon compound [i.e., O, S, N, Se, Te, as only ring hetero atom]
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Description
によって特徴づけられる。幾つかの態様において、R1及びR2は、それぞれ独立に、水素、メチル、エチル及びプロピルから選択される。一つの態様において、R1及びR2の両方は水素であり、好ましいアルキレンはエチレンである。幾つかの態様において、アルキレンはプロピレン(ここで、R1は水素であり、R2はメチルである)である。製造される対応するアルキレンオキサイド又はエポキシドは、好ましくは下記の構造式(II):
によって特徴づけられる。幾つかの態様において、アルキレンオキサイドはエチレンオキサイド(即ち、R1及びR2は共に水素である)である。或る態様において、アルキレンオキサイドはプロピレンオキサイド(即ち、R1は水素であり、R2はメチルである)である。他の例示的アルキレンオキサイドには、式中、R1及びR2が、それぞれ独立に、水素及び低級一価ラジカル、好ましくはC1〜C6アルキルラジカルから選択される、式(II)を有するオキサイドが含まれる。
によって表される。
によって定義することができる。気体状塩素含有プロモーター種及び炭化水素脱塩素化種の相対有効度を、また、エポキシ化反応が実施される条件下で測定することが重要である。Z*は、好ましくは、約20以下であるレベルで維持されるであろう。これは、最も好ましくは約15以下である。Z*は、好ましくは少なくとも約1である。
を使用して決定することができる。
本例は、フローチャート50によって記載され、プロット60によって示されたようなプロット方法を使用する、好ましい運転条件の決定を示す。
本例は、少なくとも約250キロモル/m3触媒の累積アルキレンオキサイド製造のための好ましい運転条件でエポキシ化反応を実施することを示す。
例2の使用した触媒のサンプル80ccを、触媒床の出口区画から得る。エポキシ化反応を、この使用した触媒で、逆混合Berty型オートクレーブ反応器内で、30.0モル%のエチレン、8.0モル%の酸素、2.0モル%の二酸化炭素、0.5モル%のエタン、2.0ppmwの塩化エチル及び残りの窒素の入口気体組成物で始動する。反応器圧力は2000kPa絶対(275psig)で、温度は230℃である。全反応器入口供給気体流量は、窒素として測定して640標準リットル/時である。230℃で4日間運転した後、温度は240℃まで上昇する。
以下に、本発明及びその関連態様を記載する。
態様1.アルキレン、酸素及び気体状塩素含有プロモーター種を含んでなる反応混合物を、銀及び促進量のレニウムを含む担持触媒上を通過させて、第一の運転条件でエポキシ化反応を受けさせて、反応器内でアルキレンオキサイドを生成させ;そしてそれに続いて、前記反応器内で好ましい運転条件下でエポキシ化反応を実施することを含んでなるアルキレンオキサイドの製造方法であって、前記好ましい運転条件がアルキレンオキサイドへのエポキシ化反応の効率(ここで、この効率は好ましい運転条件に対応する運転温度で達成可能な最高効率よりも低い)によって特徴づけられる方法。
態様2.前記好ましい運転条件が、前記エポキシ化反応の生産性によって特徴づけられ、前記好ましい運転条件でのエポキシ化反応の生産性が、その運転温度で達成可能な最高効率で得られるものよりも高い態様1に記載の方法。
態様3.前記好ましい運転条件が、このエポキシ化反応が、更に、好ましい運転条件に対応する最高効率及び運転温度で実施されるときよりも高い、総触媒塩化物化有効度値によって特徴づけられる、態様1又は2のいずれか1項に記載の方法。
態様4.前記好ましい運転条件でエポキシ化反応を続いて実施することが、前記第一の運転条件の温度又は前記第一の運転条件の総触媒塩化物化有効度値の少なくとも一方を変えることからなる、態様1〜3のいずれか1項に記載の方法。
態様5.好ましい運転条件を決定することを更に含む態様1〜4のいずれか1項に記載の方法。
態様6.前記アルキレンオキサイドが、エチレンオキサイド及びプロピレンオキサイドからなる群から選択される態様1〜5のいずれか1項に記載の方法。
態様7.前記気体状塩素含有プロモーター種がC1〜C8クロロ炭化水素及びこれらの任意の混合物からなる群から選択される態様1〜6のいずれか1項に記載の方法。
態様8.前記触媒が約180ppmw〜約2000ppmwの範囲内のレニウムを含む態様1〜7のいずれか1項に記載の方法。
態様9.前記触媒が少なくとも1種のコプロモーターを更に含み、前記コプロモーターが、ハロゲン化物及び/又は周期表の第3b族〜第7b族及び第3a族〜第7a族からの5〜83の原子番号を有する、酸素以外の元素のオキシアニオンを更に含む態様1〜8のいずれか1項に記載の方法。
態様10.前記触媒が第IA族金属、第IIA族金属、リン、ホウ素、マンガン、硫黄、モリブデン、タングステン、クロム、チタン、ハフニウム、ジルコニウム、バナジウム、タリウム、トリウム、タンタル、ニオブ、ガリウム、ゲルマニウム及びこれらの任意の混合物からなる群から選択された少なくとも1種のコプロモーターを更に含む態様1〜9のいずれか1項に記載の方法。
態様11.前記反応器が少なくとも250キロモル/m 3 触媒の累積アルキレンオキサイド製造のための好ましい運転条件で運転される態様1〜10のいずれか1項に記載の方法。
態様12.前記態様のいずれか1項に従ってアルキレンオキサイドを製造するシステムであって、このシステムが反応器及び制御器を含み、前記制御器が好ましい運転条件を決定するように作動可能であり、そして前記反応器が前記好ましい運転条件で運転されるシステム。
態様13.前記好ましい運転条件が固定された運転温度での、総触媒塩化物化有効度値の関数としての、前記エポキシ化反応の生産性に対する効率の微分係数を決定することを含んでなり、前記好ましい運転条件がアルキレンオキサイドを生成するエポキシ化反応の効率がパーセントで表され、エポキシ化反応の生産性が、反応器出口流中のアルキレンオキサイドの濃度として、モルパーセントで表すと、約−1〜約−4の範囲内である微分係数によって特徴づけられる工程によって決定される態様1〜11のいずれか1項に記載の方法。
態様14.銀及び促進量のレニウムを含む触媒の存在下の、気体状塩素含有プロモーター種の存在下前記好ましい運転条件の決定が、
a)第一の温度で、少なくとも3個の総触媒塩化物化有効度値での、エポキシ化反応の効率及び生産性での第一のデータの組を作り、
b)第一のデータの組から第一の温度での最高効率値を決定し、そして
c)前記最高効率値よりも低い効率値の範囲を選択する
工程を含んでなる(ここで、前記効率値の範囲が、最高効率値に対応するものよりも高いエポキシ化反応の生産性に対応し、前記効率値の範囲が、好ましい運転条件に対応する)工程によって決定される態様1〜11のいずれか1項に記載の方法。
態様15.前記最高効率値の決定が、第一のプロットを作ること若しくはプログラムを使用すること若しくは数学式を使用すること又はこれらの任意の組合せを含む態様14に記載の方法。
態様16.更に、生産性に対して効率をプロットすることによって第一の最大値を有する第一の曲線を作ることによって第一のプロットを作り、そして
好ましい運転条件に対応する第一の曲線上で第一の領域を選択することを更に含む(ここで、前記第一の領域は前記プロットの横座標がエポキシ化反応の生産性であるときに、第一の曲線の第一の最大値の右に存在する)態様15に記載の方法。
態様17.a)第二の温度で、少なくとも3個の総触媒塩化物化有効度値での、エポキシ化反応の効率及び生産性での第二のデータの組を作り、
b)第一のプロット上に第二のデータの組をプロットすることによって、第二の最大値を有する第二の曲線を作り(ここで、第二の最大値は第二の温度での最高効率に対応する)、
c)第一の曲線及び第二の曲線に亘って接線を引き(ここで、この接線の勾配を、エポキシ化反応の効率がパーセントで表し、エポキシ化反応の生産性を、反応器出口流中のアルキレンオキサイドの濃度としてモルパーセントで表すと、約−1〜約−4の範囲内である)、そして
d)好ましい運転条件に対応する第二の領域を選択する(ここで、この第二の領域は接線上に存在する)
ことを更に含む態様14〜16のいずれか1項に記載の方法。
態様18.a)第二の温度で、少なくとも3個の総触媒塩化物化有効度値での、エポキシ化反応の効率及び生産性での第二のデータの組を作り、
b)第一のデータの組及び第二のデータの組をプロットすることによって、総触媒塩化物化有効度値及び温度の関数としての、効率及び生産性の等高線プロットを作って、それぞれ、少なくとも1つの第三の曲線及び少なくとも1つの第四の曲線を得(ここで、少なくとも1つの第三の曲線はエポキシ化反応の効率に対応し、少なくとも1つの第四の曲線はエポキシ化反応の生産性に対応する)、そして
c)好ましい運転条件に対応する第三の領域を選択する(ここで、この第三の領域は、少なくとも1つの第四の曲線上に存在し、少なくとも1つの第四の曲線に合致する最高効率を有する少なくとも1つの第三の曲線によって決定される)
を更に含む態様14に記載の方法。
態様19.第一の曲線、第二の曲線、少なくとも1つの第三の曲線及び少なくとも1つの第四の曲線の少なくとも1つを得る工程が、第一の曲線、第二の曲線、少なくとも1つの第三の曲線及び少なくとも1つの第四の曲線の少なくとも1つを数学的に適合させることを含む態様15〜17のいずれか1項に記載の方法。
態様20.前記態様のいずれか1項に記載の方法によって製造されたアルキレンオキサイドを、1,2−ジオール、1,2−ジオールエーテル、1,2−カルボネート又はアルカノールアミンに転化させることを含んでなる1,2−ジオール、1,2−ジオールエーテル、1,2−カルボネート又はアルカノールアミンの製造方法。
Claims (7)
- エチレン、酸素及び気体状塩素含有プロモーター種を含んでなる反応混合物を、銀及び促進量のレニウムを含む担持触媒上を通過させて、第一の運転条件でエポキシ化反応を受けさせて(ここで、第一の運転条件は、エポキシ化反応の任意の与えられた時間での運転条件を指し、触媒の寿命を通して適用可能である)、反応器内でエチレンオキサイドを生成させ;そしてそれに続いて、50000キロモル/m3触媒の累積エチレンオキサイド製造に到達する前に、前記反応器内で好ましい運転条件下でエポキシ化反応を実施し、そして前記反応器を、少なくとも250キロモル/m3触媒の累積エチレンオキサイド製造される期間好ましい運転条件で運転することを含んでなるエチレンオキサイドの製造方法であって、
(a)前記好ましい運転条件がエチレンオキサイドへのエポキシ化反応の効率(ここで、この効率は好ましい運転条件に対応する運転温度で達成可能な最高効率よりも低い)によって特徴づけられ、そして
(b)前記好ましい運転条件が、前記エポキシ化反応の生産性(ここで、前記好ましい運転条件でのエポキシ化反応の生産性は、その運転温度で達成可能な最高効率で得られるものよりも高い)によって更に特徴づけられ、そして前記好ましい運転条件が、このエポキシ化反応が、更に、好ましい運転条件に対応する最高効率及び運転温度で実施されるときよりも高い、総触媒塩化物化有効度値によって特徴づけられる方法であって、
前記好ましい運転条件が固定された運転温度での、総触媒塩化物化有効度値の関数としての、前記エポキシ化反応の生産性に対する効率の微分係数を決定することを含んでなり、前記好ましい運転条件がエチレンオキサイドを生成するエポキシ化反応の効率がパーセントで表され、エポキシ化反応の生産性が、反応器出口流中のエチレンオキサイドの濃度として、モルパーセントで表すと、−1〜−4の範囲内である微分係数によって特徴づけられる工程によって決定される方法。 - 前記好ましい運転条件でエポキシ化反応を続いて実施することが、前記第一の運転条件の温度又は前記第一の運転条件の総触媒塩化物化有効度値の少なくとも一方を変えることを含んでなる、請求項1に記載の方法。
- 好ましい運転条件を決定することを更に含む請求項1又は2に記載の方法。
- 前記触媒が180ppmw〜2000ppmwの範囲内のレニウムを含む請求項1又は2に記載の方法。
- 前記触媒が第IA族金属、第IIA族金属、リン、ホウ素、マンガン、硫黄、モリブデン、タングステン、クロム、チタン、ハフニウム、ジルコニウム、バナジウム、タリウム、トリウム、タンタル、ニオブ、ガリウム、ゲルマニウム及びこれらの任意の混合物からなる群から選択された少なくとも1種のコプロモーターを更に含む請求項1又は2に記載の方法。
- 前記請求項1又は2の方法に従ってエチレンオキサイドを製造するシステムであって、このシステムが反応器及び制御器を含み、前記制御器が好ましい運転条件を決定するように作動可能であり、そして前記反応器が前記好ましい運転条件で運転されるシステム。
- 前記請求項1〜5のいずれか1項に記載の方法によってエチレンオキサイドを製造し、そして当該エチレンオキサイドを、1,2−ジオール、1,2−ジオールエーテル、1,2−カルボネート又はアルカノールアミンに転化させることを含んでなる1,2−ジオール、1,2−ジオールエーテル、1,2−カルボネート又はアルカノールアミンの製造方法。
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CA2759496C (en) | 2018-05-01 |
CN102414189A (zh) | 2012-04-11 |
SG10201401617WA (en) | 2014-06-27 |
JP6034436B2 (ja) | 2016-11-30 |
EP2421842A1 (en) | 2012-02-29 |
CA2759496A1 (en) | 2010-10-28 |
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