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公开(公告)号：US3923907A
公开(公告)日：1975-12-02
申请号：US27304972
申请日：1972-07-19
Applicant: AGENCY IND SCIENCE TECHN
Inventor： KOTANIGAWA TAKESHI , YAMAMOTO MITSUYOSHI , SHIMOKAWA KATSUYOSHI
IPC: C07C37/16
Abstract: The methylation of a phenol in an ortho position by the vapor phase reaction of the phenol with methanol using as a catalyst a sintered mixture of ferric oxide, at least one divalent metal oxide of the general formula: MO wherein M is selected from Zn, Mg, Co., Ni, Cr and Cd, and a small amount of manganese oxide calculated in terms of manganese, up to about 1.0% by weight of said ferric and divalent metal oxides, 2,6-dimethyl phonol is a preferred product.
Abstract translation: 通过苯酚与甲醇的气相反应使苯酚在邻位甲基化，使用氧化铁，至少一种下列通式的二价金属氧化物的烧结混合物作为催化剂：
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公开(公告)号：DE2235389A1
公开(公告)日：1973-02-01
申请号：DE2235389
申请日：1972-07-19
Applicant: AGENCY IND SCIENCE TECHN
Inventor： KOTANIGAWA TAKESHI , YAMAMOTO MITSUYOSHI , SHIMAKAWA KATSUYOSHI
IPC: C07C37/16
Abstract: The methylation of a phenol in an ortho position by the vapor phase reaction of the phenol with methanol using as a catalyst a sintered mixture of ferric oxide, at least one divalent metal oxide of the general formula:
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公开(公告)号：JPH09194849A
公开(公告)日：1997-07-29
申请号：JP2579496
申请日：1996-01-19
Applicant: AGENCY IND SCIENCE TECHN
Inventor： KOTANIGAWA TAKESHI , YAMAMOTO MITSUYOSHI , YOSHIDA TADASHI , SASAKI MASAHIDE , NAGAISHI HIROSHI
IPC: B01J23/46 , B01J23/656 , B01J23/89 , C07B61/00 , C07C5/10 , C07C15/20 , C10G1/06 , C10G45/52 , C10G47/14
Abstract: PROBLEM TO BE SOLVED: To liquefy coal efficiently by a ruthenium carrying metal oxide catalyst. SOLUTION: This method comprises directly hydrogenating aromatic nuclei of coal in the presence of a ruthenium-carrying metal oxide catalyst having the activity of selectively hydrogenating aromatic nuclei in a reaction zone at a temperature as low as 350-425 deg.C to produce a high-quality liquid product. The metal oxide is a compound double oxide comprising oxides of nickel, manganese, zinc and/or lanthanum. This catalyst has an excellent activity of nucleus hydrogenation under the conditions of direct liquefaction reaction. In a reaction zone at a temperature as low as 375-400 deg.C, the yields of products having a high depth of hydrogenation can be attained. A ruthenium-carrying metal oxide catalyst having a high activity of highly selective nucleus hydrogenation is provided.
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公开(公告)号：JPH04120192A
公开(公告)日：1992-04-21
申请号：JP24167690
申请日：1990-09-11
Applicant: AGENCY IND SCIENCE TECHN
Inventor： YOSHIDA TADASHI , MAEKAWA WAKINORI , YOSHIDA RYOICHI , KOTANIGAWA TAKESHI , YOKOYAMA SHINICHI , YAMAMOTO MITSUYOSHI , NAGAISHI HIROSHI , FUKUDA TAKASHI , IDOKAWA KIYOSHI , HIRAMA TOSHIMASA
IPC: B01J27/051 , C10G47/02 , C10G47/34
Abstract: PURPOSE:To improve heat efficiency of process and to efficiently improve light oil fraction yield by adding a hydrogen donative solvent to a heavy oil fraction and subjecting the fraction to hydrogenolysis reaction in the presence of a hydrogenating catalyst under a specific condition. CONSTITUTION:A hydrogen donative solvent such as tetralin, dihydroanthracene or dihydropyrene is added to a heavy oil fraction such as petroleum, tar sand bitumen or shale oil and subjected to hydrogenolysis reaction in the presence of a hydrogenating catalyst at 400-460 deg.C (preferably 420-450 deg.C) under 100-300kg/ cm G (preferably 100-200kg/cm G) hydrogen pressure to give a light oil fraction.
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公开(公告)号：JPH03242243A
公开(公告)日：1991-10-29
申请号：JP4057990
申请日：1990-02-20
Applicant: AGENCY IND SCIENCE TECHN
Inventor： KOTANIGAWA TAKESHI , YOKOYAMA SHINICHI , YAMAMOTO MITSUYOSHI , MAEKAWA WAKINORI , YOSHIDA RYOICHI , YOSHIDA TADASHI , NAGAISHI HIROSHI
Abstract: PURPOSE:To perform a reaction with a high degree of hydrogenation under mild conditions with a small amt. of a catalyst and to increase the efficiency of coal liquefaction by using an Ru-contg. catalyst as the catalyst for coal liquefaction. CONSTITUTION:An Ru-contg. catalyst obtd. by impregnating a soln. of an Ru compd. in an org. solvent or water into the oxide or sulfide of a metal such as Fe or Zr and drying the oxide or sulfide is used as a catalyst for coal liquefaction. Coal is allowed to react with hydrogen in the presence of a solvent and the Ru-contg. catalyst at about 350-520 deg.C under about 10-30MPa pressure for about 0-90min. Liquefaction with a high degree of hydrogenation is performed under such mild conditions with a very small amt. of the catalyst.
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Patent Agency Ranking
公开(公告)号：JPH0491192A
公开(公告)日：1992-03-24
申请号：JP20890490
申请日：1990-08-06
Applicant: AGENCY IND SCIENCE TECHN
Inventor： YOSHIDA TADASHI , MAEKAWA WAKANORI , YOSHIDA RYOICHI , KOTANIGAWA TAKESHI , YOKOYAMA SHINICHI , YAMAMOTO MITSUYOSHI , NAGAISHI HIROSHI
IPC: C10G29/10
Abstract: PURPOSE:To effectively and selectively extract and separate polar compounds such as phenols and nitrogen compounds by hydrogenating a fossil fuel such as coal or petroleum and mixing the obtained naphtha distillate with an aqueous solution of an anionic surfactant. CONSTITUTION:A fossil fuel such as coal, petroleum or tar sand bitumen is hydrogenated in a bench scale liquefaction plant and subsequently distilled. The obtained naphtha fraction is mixed with the aqueous solution of an anionic surfactant such as a sodium alkylbenzene sulfonate to readily, efficiently and selectively extract and separate polar compounds such as phenol compounds and nitrogen compounds.
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公开(公告)号：JPH03243691A
公开(公告)日：1991-10-30
申请号：JP4058090
申请日：1990-02-20
Applicant: AGENCY IND SCIENCE TECHN
Inventor： KOTANIGAWA TAKESHI , NAGAISHI HIROSHI , MAEKAWA WAKINORI , YAMAMOTO MITSUYOSHI , YOKOYAMA SHINICHI , YOSHIDA TADASHI , YOSHIDA RYOICHI
IPC: B01J23/745 , B01J23/74 , C10G1/06
Abstract: PURPOSE:To obtain the low-boiling compounds from coal and bituminous material in high efficiency and to improve the effective use of the H2 gas to be consumed, by cracking the high-boiling compounds such as preasphaltene in the coal and bituminous materials using an acid-type iron oxide catalyst. CONSTITUTION:A raw material comprising (A) 100 pts.wt. of coal and (B) 100-2,000 (pref. 150-1,000) pts.wt. of bituminous materials is reacted, using an acid-type iron oxide catalyst, at 350 - 527 (pref. 400 - 450) deg.C under a hydrogen pressure of 10 -30 (pref. 15 - 30) MPa for 30 - 90 (pref. 40 - 60) min to carry out a coliquefaction. The above-mentioned catalyst can be prepared by the following process: urea is mixed with ferric sulfate and the mixture is dissolved in water followed by heating, and the resultant precipitate is washed with water and dried, and then calcined at 350 - 750 (pref. 400 - 500) deg.C.
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公开(公告)号：JPH0375210A
公开(公告)日：1991-03-29
申请号：JP20861389
申请日：1989-08-11
Applicant: AGENCY IND SCIENCE TECHN
Inventor： MIURA MASAKATSU , TANAKA SHIGENOBU , YOKOTA YUJI , IKEDA KOJI , KUMAGAI HIROO , ISHIBASHI KAZUJI , ITO SABURO , KAGA HARUO , YAMAMOTO MITSUYOSHI , SASAMORI MASAYOSHI
Abstract: PURPOSE:To enable to simultaneously prepare a carbide having a large surface area and a saccharide anhydride in a good yield by heating a cellulosic substance such as wood from the inner portion thereof by the irradiation or microwave. CONSTITUTION:A cellulosic specimen S such as wood blocks, wood chips, bagasse, paper or pulp is received in a thermal decomposition chamber A and subsequently carbonized by the irradiation of microwave (500-6000MHz) form a microwave-generating device W and, if necessary, by the simultaneous use of a heater H. The generated gas and tar are taken out from an output port B while preventing the further progress of the thermal decomposition with a microwave-shielding net D, and introduced into a tar-recovering chamber E to separate the tar containing saccharide anhydrides such as levoglucosan. Volatile components are introduced into a thermally decomposed low boiling point product-recovering chamber I and recovered.
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公开(公告)号：JPH10292180A
公开(公告)日：1998-11-04
申请号：JP11754197
申请日：1997-04-21
Applicant: AGENCY IND SCIENCE TECHN
Inventor： YAMAMOTO MITSUYOSHI , KOTANIGAWA TAKESHI , YOSHIDA TADASHI
Abstract: PROBLEM TO BE SOLVED: To provide a denitification and hydrogenating ring-opening reaction of a polycyclic aromatic compound, by using a phosphoric acid-loaded metal oxide catalyst. SOLUTION: This method for performing a denitrification and a hydrogenating ring-opening reaction of a polycyclic aromatic compound, is to perform a hydrogenation, a hetero atom removal and an aromatic ring-opening reaction of a polycyclic aromatic compound such as a liquefied coal oil, a heavy crude petroleum, etc., by using a phosphoric acid-loaded metal oxide catalyst. A method of direct liquefaction of coal, is to produce a high quality liquefied product by directly hydrogenating the aromatic compounds of the coal in low temperature reaction range of 350-430 deg.C by using the phosphoric acid-loaded metal oxide catalyst. The phosphoric acid-loaded metal oxide catalyst is a phosphoric acid-loaded manganese oxide/nickel oxide catalyst.
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公开(公告)号：JPH09111252A
公开(公告)日：1997-04-28
申请号：JP29059995
申请日：1995-10-13
Applicant: AGENCY IND SCIENCE TECHN
Inventor： KOTANIGAWA TAKESHI , YAMAMOTO MITSUYOSHI
IPC: B01J23/46 , B01J23/656 , B01J23/89 , C07B61/00 , C07C5/10 , C07C13/18 , C07C13/48 , C07C13/58 , C10G45/48 , C10G45/52
Abstract: PROBLEM TO BE SOLVED: To hydrogenate the nuclei of multicyclic aromatic compounds such as a liquefied coal oil in high selectivity by using a specific catalyst exhibiting a high selective nucleus hydrogenation activity. SOLUTION: (B) Multicyclic aromatic compounds such as a liquefied coal oil are subjected to a nucleus-hydrogenation reaction with (C) hydrogen in the presence of (A) a ruthenium-carrying metal oxide catalyst (e.g. a catalyst produced by carrying 0.2-1.0wt.% of the metal ruthenium on a composite oxide carrier such as manganese oxide/zinc oxide, manganese oxide/nickel oxide, manganese oxide/lanthanum oxide or lanthanum oxide/zinc oxide) e.g. at a reaction temperature of 230-430 deg.C under a hydrogen pressure of 10-20MPa for 5-30min.
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