Tag Archives: Methane

Circular efficient domestic sewage purifying methane apparatus

Application Number  00128561 Application Date  2000.11.14 Publication Number  1351970 Publication Date  2002.06.05 Priority Information     International Classification  C02F3/30   Applicant(s) Name  Hu Hailiang   Address     Inventor(s) Name  Hu Hailiang   Patent Agency Code  00000 Patent Agent   AbstractAn annular high-efficient domestic sewage purifying methane apparatus consists of several annular fermentation pools and… Read More »

Method for determining hydrogen content of carbon deposit in low-carbon paraffins anaerobic dehydrogenation aromatization reaction products of methane, etc.

Application Number: 00110557Application Date: 2000.06.21Publication Number: 1329248Publication Date: 2002.01.02Priority Information: International: G01N30/02Applicant(s) Name: Dalian Inst. of Chemical Physics, Chinese Academy of SciencesAddress: Inventor(s) Name: Shu Yuying;Ma Ding;Guan YafengPatent Agency Code: 21002Patent Agent: zhang chenAbstract The present invention is characterized by that firstly, making on-line determination of product hydrogen obtained by aromatization reaction of low-carbon paraffinic… Read More »

Process for producing diamino-diphenyl methane and its high-grade homologen

Application Number: 00117668Application Date: 2000.05.26Publication Number: 1277187Publication Date: 2000.12.20Priority Information: 1999/5/27 IT 001171A/99International: C07C209/54;C07C211/54Applicant(s) Name: Emichem S. R. L.Address: Inventor(s) Name: C. Perigo;A. Dangielis;O. FarirsPatent Agency Code: 11038Patent Agent: huang zexiongAbstract Process for the production of diaminodiphenylmethane and its higher homologues products, which comprises reacting aniline, or one of its derivatives, and formaldehyde, or a… Read More »

Cryogenic rectification system for producing fuel and high-purity methane

Application Number: 00119952Application Date: 2000.06.30Publication Number: 1292486Publication Date: 2001.04.25Priority Information: 1999/7/1 US 09/345422International: F25J3/02Applicant(s) Name: Praxair Technology Inc.Address: Inventor(s) Name: M.M. Scha;J.J. Marlony;R.F. DelnywichPatent Agency Code: 72001Patent Agent: lu xinhuaAbstract A natural gas purification system which can produce both fuel and high purity hydrocarbon product such as high purity methane or high purity natural gas… Read More »

New method for preparing hydrogen cyanide from nitrogen oxide and methane

Application Number: 00120100Application Date: 2000.07.06Publication Number: 1280098Publication Date: 2001.01.17Priority Information: 1999/7/12 US 60/143,342International: B01J37/02;C01C3/02Applicant(s) Name: Rohu and Haas Co.Address: Inventor(s) Name: A.Bendely;M.S.DicolschPatent Agency Code: 11038Patent Agent: du jingyangAbstract This invention relates to a process for preparing hydrogen cyanide from nitric oxide, a hydrocarbon gas, and optionally ammonia. The process reduces the amount of residual ammonia… Read More »

Catalytic cracking process for preparing hydrogen or hydrogenane from methane

Application Number: 00123124Application Date: 2000.10.26Publication Number: 1350977Publication Date: 2002.05.29Priority Information: International: C01B3/26;C10L1/04Applicant(s) Name: Dalian Inst of Chemicophysics, Chinese Academy of SciencesAddress: Inventor(s) Name: Lu Yuan;Ding YunjiePatent Agency Code: 21002Patent Agent: zhang chenAbstract A process for preparing hydrogen or hydrogenane by catalytic cracking of methane features that the methane is catalytically cracked at 400-700 deg.C, 0.05-1… Read More »

Microwave catalyst for methane and CO2 reforming reaction

Application Number: 00123255Application Date: 2000.11.15Publication Number: 1351954Publication Date: 2002.06.05Priority Information: International: B01J21/16;B01J23/755;B01J35/10;B01J37/02;B01J37/34;C01B3/40Applicant(s) Name: Metals Inst., Chinese Academy of SciencesAddress: Inventor(s) Name: Zhang Jinsong;Xu Xingxiang;Coa XiaomingPatent Agency Code: 21002Patent Agent: zhang chenAbstract The present invention is a kind of microwave catalyst for the reformation reaction between methane and CO2. The catalyst consists of carrier and active… Read More »

Method for preparing C2 hydrocarbon by direct conversion of methane or natural gas

Application Number: 00123286Application Date: 2000.11.22Publication Number: 1354222Publication Date: 2002.06.19Priority Information: International: B01J19/12;C07C2/00Applicant(s) Name: Inst. of Metals, Chinese Academy of SciencesAddress: Inventor(s) Name: Zhang Jinsong;Yang Yongjin;Zhang JunqiPatent Agency Code: 21002Patent Agent: zhang chenAbstract The present invention provides a method for preparing C2 hydrocarbon by using methane or natural gas through direct conversion. Said invention can utilize… Read More »

Process for preparing hydrogen by partial oxidization of mixed gas of methane, ethane, propane and butane

Application Number: 00110359Application Date: 2000.04.26Publication Number: 1320556Publication Date: 2001.11.07Priority Information: International: C01B3/36Applicant(s) Name: Dalian Inst of Chemicophysics, Chinese Academy of SciencesAddress: Inventor(s) Name: Liu Shenglin;Xu Longya;Xie SujuanPatent Agency Code: 21002Patent Agent: zhang chenAbstract A process for preparing hydrogen (H2) includes such steps as partial oxidization of the gas mixture of metane, ethane, propane and butane… Read More »

Process for preparing hydrogen by reaction of mixture of methane, ethane, propane and butane gases with CO2 and oxygen

Application Number: 00110355Application Date: 2000.04.26Publication Number: 1320555Publication Date: 2001.11.07Priority Information: International: C01B3/36;C01B3/40;C01B3/44Applicant(s) Name: Dalian Inst of Chemicophysics, Chinese Academy of SciencesAddress: Inventor(s) Name: Liu Shenglin;Xu Longya;Xie SujuanPatent Agency Code: 21002Patent Agent: zhang chenAbstract A process for preparing hydrogen (H2) features that the gas mixture of methane and (or) ethane and (or) propane and (or) butane… Read More »

Mixed oxygen-permeable conductor membrane for partial oxidizing reaction of methane and its preparing process

Application Number: 00110354Application Date: 2000.04.26Publication Number: 1320477Publication Date: 2001.11.07Priority Information: International: B01D71/02Applicant(s) Name: Dalian Inst of Chemicophysics, Chinese Academy of SciencesAddress: Inventor(s) Name: Yang Weishen;Dong Hui;Cong YouPatent Agency Code: 21002Patent Agent: zhang chenAbstract An oxygen permeable membrane for partial oxidization reaction of methanol has its molecular formula: (Ba, Sr)xLay(Al,Fe,Ga,In,Ge)zO5+dalta, where x=1-2, y=0-1, x+y=2, z=2, (Ba,Sr)… Read More »

Low-temp reaction catalyst for preparing ethylene by selectively oxidizing mixture of raw methane and ethane gases

Application Number: 00110260Application Date: 2000.03.29Publication Number: 1315310Publication Date: 2001.10.03Priority Information: International: B01J23/04;B01J23/34;C07C2/84;C07C5/333Applicant(s) Name: Dalian Inst of Chemicophysics, Chinese Academy of SciencesAddress: Inventor(s) Name: Yu Chunying;Li Wenzhao;Xu HengyongPatent Agency Code: 21002Patent Agent: zhang chenAbstract A low-temp. reaction catalyst for preparing ethylene by selective oxidization of the mixed methane and ethane gas uses the MnO2 added with… Read More »

Fluidized bed process for producing nitrogen-contg. synthesis gas by air partial oxidation of methane

Application Number: 00110061Application Date: 2000.01.26Publication Number: 1306939Publication Date: 2001.08.08Priority Information: International: C01B3/36;C01B3/40Applicant(s) Name: Dalian Inst. of Chemical Physics, Chinese Academy of SciencesAddress: Inventor(s) Name: Ji Yaying;Xu Hengyong;Li WenzhaoPatent Agency Code: 21002Patent Agent: zhang chenAbstract Feedstock gases including methane, natural gas or refinery gas and air or oxygen-riched air are converted into nitrogen containing synthetic gas… Read More »

Serial 1-alkyl-1-alkoxy-1-alkylsulfonyl methane compounds and its preparing method

Application Number: 00107636Application Date: 2000.05.29Publication Number: 1280124Publication Date: 2001.01.17Priority Information: International: C07C319/14;C07C323/11;C07D307/64Applicant(s) Name: Beijing Industrial and Commercial Univ.Address: Inventor(s) Name: Sun Baoguo;Fu Xiang;Liu YupingPatent Agency Code: 00000Patent Agent: Abstract The 1-alkyl-1-alkoxy-1-alkylsulfonyl methane compounds are prepared through the reaction between acetal and mercaptan in the reflux temperature condition. The compounds have orange scent, wine smell, methol… Read More »

Preparation method of catalyst for methane reforming reaction by using carbon dioxide

Application Number: 00106166Application Date: 2000.04.28Publication Number: 1268394Publication Date: 2000.10.04Priority Information: International: B01J21/06;B01J23/755;B01J37/00;B01J37/03;C01G25/02Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Xu Baiqing;Wei Junmei;Zhang FazhiPatent Agency Code: 11201Patent Agent: luo wenqunAbstract The present invention relates to a prepn. method of catalyst for reforming carbon dioxide to methane: firstly prepare ZrOCl2 solution, use ammonia water as precipitating agent, drip the… Read More »

Molecular sieve carbon fabric for separating methane from carbon dioxide and its preparation method

Application Number: 00104481Application Date: 2000.07.21Publication Number: 1303735Publication Date: 2001.07.18Priority Information: International: B01J20/20;B01J20/30Applicant(s) Name: Shanxi Inst. of Coal Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Zheng Jingtang;Lu Anhui;Wang MaozhangPatent Agency Code: 14001Patent Agent: wei shuweiAbstract A molecular sieve carbon fabric for separating methane and carbon dioxide is characterized by that its form can be fibre, felt,… Read More »

Method for preparing active carbon for storing methane

Application Number: 00104267Application Date: 2000.05.11Publication Number: 1303732Publication Date: 2001.07.18Priority Information: International: B01J20/20Applicant(s) Name: Shanxi Inst. of Coal Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Ling Licheng;Song Yan;Liu LangPatent Agency Code: 14001Patent Agent: wei shuweiAbstract A preparation method of active carbon for storing methane includes the following steps: using petrol coke or asphalt coke as raw… Read More »

Method for preparing N-[5-(diphenyl phosphinyl methyl)-4-(4-fluoropheyl)-6-isopropyl pyrimidine-2-group]-N-methl methane sulfamide

Application Number: 00103783Application Date: 2000.03.10Publication Number: 1272499Publication Date: 2000.11.08Priority Information: 1999/3/10 EP 99104785.3; 1999/3/10 EP 99104786.1International: C07F9/6512Applicant(s) Name: Lonza AGAddress: Inventor(s) Name: W. Boulleden;U.FayeguPatent Agency Code: 31100Patent Agent: chen wenjingAbstract N-5-(Diphenylphosphinoylmethyl)-4-(4-fluorophenyl)-6-isopropylpyrimidi n-2-yl-N-methylmethanesulphonamide of the formula(see formula I) is prepared by reaction of 4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulphonylamino)pyri midin-5-yl methanol with chlorodiphenylphosphine. Compound I is an intermediate in the synthesis… Read More »

Process of nickel catalytic cracking methane preparing carbon nanometer tube

Application Number: 00102824Application Date: 2000.03.07Publication Number: 1266018Publication Date: 2000.09.13Priority Information: International: C01B31/00;C01B31/02Applicant(s) Name: Tianjin Univ.Address: Inventor(s) Name: Cui Shen;Qiao Yali;Cui LanPatent Agency Code: 12201Patent Agent: ren yanAbstract A preparation method of carbon nanometer tube uses nickel oxide as catalyst mother material, and includes the following steps: placing the nickel oxide with a definite quantity in… Read More »

Methane conversion process

Application Number: 00100438Application Date: 2000.01.31Publication Number: 1306938Publication Date: 2001.08.08Priority Information: International: C01B3/34;C01B3/36Applicant(s) Name: Wang XiyingAddress: Inventor(s) Name: Wang XiyingPatent Agency Code: 11100Patent Agent: guo peilanAbstract The process of conventing methane includes heating and desulfurization of processed gas, mixing of the desulfurized gas with condensate, heat exchange to vaporize water, heating, mixing with oxygen riched air… Read More »