JP7034137B2 - 触媒コーティング、その製造方法および使用方法 - Google Patents
触媒コーティング、その製造方法および使用方法 Download PDFInfo
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- JP7034137B2 JP7034137B2 JP2019504769A JP2019504769A JP7034137B2 JP 7034137 B2 JP7034137 B2 JP 7034137B2 JP 2019504769 A JP2019504769 A JP 2019504769A JP 2019504769 A JP2019504769 A JP 2019504769A JP 7034137 B2 JP7034137 B2 JP 7034137B2
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G75/00—Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general
- C10G75/04—Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general by addition of antifouling agents
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
- B01J2523/20—Constitutive chemical elements of heterogeneous catalysts of Group II (IIA or IIB) of the Periodic Table
- B01J2523/25—Barium
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- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
- B01J2523/30—Constitutive chemical elements of heterogeneous catalysts of Group III (IIIA or IIIB) of the Periodic Table
- B01J2523/36—Yttrium
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- B01J2523/69—Tungsten
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
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Description
本出願は、2016年7月29日に出願された米国仮出願第62/368,279号に対する優先権の利益を主張し、その米国仮出願は参照によりその全体が本明細書で援用される。
材料の観点から、炭化水素の水蒸気熱分解によるオレフィンの製造は、より高い作業温度でより高い全体的なクラッキングの度合いで作業が進行することを除き、工業化された当初からあまり変わっていない。プロセス格納容器または炉コイルは、より高い温度およびより低い原料滞留時間を維持するために、過去60数年にわたり合金組成および特性において進化している。これにより、コイル表面での不所望または不利な触媒反応およびその他の炭素系汚損機構の増加だけでなく、クラッキング法のラジカル連鎖反応により生ずるアモルファスコークスまたは気相コークスの量、例えば表面触媒による「繊維状」コークス製造による炭素またはコークスの堆積および気相反応からのアモルファスコークスの蓄積の増加がもたらされた。総じて、これらの汚損機構は、炉およびプラントの効率を低下させ、炉の保全費用を大幅に増大させる。
本明細書ではコーティングが記載される。幾つかの例においては、該コーティングは、マンガン酸化物、クロム-マンガン酸化物、またはそれらの組み合わせを含むとともに、CaWO4、Ba3Y2WO9、またはそれらの組み合わせを含み得る、第1の厚さを有する第1の領域と、X6W6Z、XWZ、またはそれらの組み合わせを含み、ここでXは独立してNiまたはNiおよび1種以上の遷移金属の混合物であり、かつZは独立してSi、C、またはそれらの組み合わせである、第2の厚さを有する第2の領域と、希土類元素、希土類酸化物、またはそれらの組み合わせとを含む。遷移金属は、例えばFe、Nb、Cr、Co、Mn、Ti、Mo、V、またはそれらの組み合わせを含み得る。幾つかの例においては、前記第2の領域は、Mnを3質量%~15質量%(例えば、7質量%~15質量%)の量で含む。幾つかの例において、前記第2の領域は、Siを1質量%~10質量%(例えば、3質量%~10質量%、5質量%~10質量%)の量で含む。前記コーティングは、例えば炭素ガス化を触媒し得る。
本明細書に記載される組成物および方法は、開示される発明主題の具体的な態様の下記の詳細な説明およびそこに含まれる実施例を参照することでより簡単に理解され得る。
以下の実施例は、開示される発明主題による方法および結果を例示するために以下に示される。これらの実施例は、本明細書に開示される発明主題のすべての態様を含むことを意図するものではなく、むしろ代表的な方法および結果を例示することを意図するものである。これらの実施例は、当業者に明らかな本発明の等価物および変形形態を排除することを意図するものではない。
5種の希土類元素および/または希土類酸化物種(CeO2、La2O3、Pr2O3、Y2O3、およびY金属)の2種の負荷量(0.05質量%および0.5質量%)でのコーティング堅牢性に対する効果を、該希土類元素および/または希土類酸化物を前記コーティングに、粉末処理の間に(例えば、粉末の混合物の形成の間に)添加することにより評価した。
Claims (17)
- コーティングが基材の表面上に設けられている、表面を有する基材であって、
前記コーティングは、
マンガン酸化物、クロム-マンガン酸化物、またはそれらの組み合わせ、およびCaWO4、Ba3Y2WO9、またはそれらの組み合わせを含む、第1の厚さを有する第1の領域と、
X6W6Z、XWZ、またはそれらの組み合わせを含み、ここでXは独立してNiまたはNiおよび1種以上の遷移金属の混合物であり、かつZは独立してSi、C、またはそれらの組み合わせである、第2の厚さを有する第2の領域と、
希土類元素、希土類酸化物、またはそれらの組み合わせと、
を含み、
前記希土類元素、希土類酸化物、またはそれらの組み合わせは、Ce、La、またはそれらの組み合わせを含み、
前記第1の領域は、前記基材に対するコーティングの最外領域であり、前記第2の領域は前記第1の領域の下にあり基材と直に隣接している領域である、前記基材。 - 前記第2の領域は、Mnを該第2の領域の全質量に対して3質量%~15質量%の量で含む、請求項1記載の基材。
- 前記第2の領域は、Siを該第2の領域の全質量に対して1質量%~10質量%の量で含む、請求項1または2記載の基材。
- 前記希土類酸化物は、CeO2、La 2 O 3 、またはそれらの組み合わせを含む、請求項1から3までのいずれか1項記載の基材。
- 前記第1の領域は、前記希土類元素、前記希土類酸化物、またはそれらの組み合わせを、該第1の領域の全質量に対して0.1質量%~3質量%の量で含む、請求項1から4までのいずれか1項記載の基材。
- 前記第2の領域は、前記希土類元素、前記希土類酸化物、またはそれらの組み合わせを、該第2の領域の全質量に対して1.5質量%~3質量%の量で含む、請求項5記載の基材。
- 前記第1の領域の厚さは、2ミクロン~20ミクロンである、請求項1から6までのいずれか1項記載の基材。
- 前記第2の領域は、200ミクロン~1200ミクロンの厚さを有する、請求項1から7までのいずれか1項記載の基材。
- 前記マンガン酸化物は、MnO、Mn2O3、Mn3O4、MnO2、およびそれらの組み合わせからなる群から選択される、請求項1から8までのいずれか1項記載の基材。
- 前記クロム-マンガン酸化物は、スピネル型クロム-マンガン酸化物、逆スピネル型クロム-マンガン酸化物、非化学量論型クロム-マンガン酸化物、またはそれらの組み合わせを含む、請求項1から9までのいずれか1項記載の基材。
- 前記クロム-マンガン酸化物は、MnCr2O4を含む、請求項1から10までのいずれか1項記載の基材。
- 前記第1の領域は、CaWO4、Ba3Y2WO9、またはそれらの組み合わせの表面負荷を、該第1の領域の表面積に対して10%~90%の量で含む、請求項1から11までのいずれか1項記載の基材。
- 前記第2の領域は、該第2の領域の全質量に対して、Niを15質量%~45質量%の量で含み、Wを10質量%~50質量%の量で含み、Crを2質量%~8質量%の量で含み、Feを1質量%~10質量%の量で含み、Mnを7質量%~15質量%の量で含み、Siを5質量%~10質量%の量で含み、Nbを0質量%~2質量%の量で含み、Moを0質量%~2質量%の量で含み、Tiを0質量%~2質量%の量で含み、Zrを0質量%~2質量%の量で含み、かつ前記希土類元素、前記希土類酸化物、またはそれらの組み合わせを0.1質量%~3質量%の量で含む、請求項1から4までのいずれか1項記載の基材。
- 前記第2の領域は、該第2の領域の全質量に対して、Niを15質量%~45質量%の量で含み、Wを10質量%~50質量%の量で含み、Crを2質量%~8質量%の量で含み、Feを1質量%~10質量%の量で含み、Mnを7質量%~15質量%の量で含み、Siを5質量%~10質量%の量で含み、Nbを0質量%~2質量%の量で含み、Moを0質量%~2質量%の量で含み、Tiを0質量%~2質量%の量で含み、Zrを0質量%~2質量%の量で含み、かつCeを0.1質量%~3質量%の量で含む、請求項1から4までのいずれか1項記載の基材。
- 前記第2の領域は、X6W6Zを、該X6W6ZおよびXWZの全質量に対して50質量%以上の量で含む、請求項1から14までのいずれか1項記載の基材。
- 前記コーティングは、炭素ガス化を触媒する、請求項1から15までのいずれか1項記載の基材。
- 前記基材は耐熱合金(HTA)からできている、請求項1から16までのいずれか1項記載の前記基材。
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BR112019001680A2 (pt) | 2019-05-14 |
CA3030367A1 (en) | 2018-02-01 |
US10894251B2 (en) | 2021-01-19 |
SA519400989B1 (ar) | 2022-10-18 |
CN109562360A (zh) | 2019-04-02 |
EP3490704A1 (en) | 2019-06-05 |
KR102448809B1 (ko) | 2022-09-30 |
WO2018020464A1 (en) | 2018-02-01 |
JP2019525838A (ja) | 2019-09-12 |
KR20190036544A (ko) | 2019-04-04 |
US20190176138A1 (en) | 2019-06-13 |
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BR112019001680B1 (pt) | 2022-10-25 |
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