Tag Archives: oxidizing

Cyclohexane oxidizing process

Application Number: 00126720Application Date: 2000.12.02Publication Number: 1357526Publication Date: 2002.07.10Priority Information: International: C07C45/32;C07C49/403Applicant(s) Name: Baling Branch, China Petrochemical Group.Address: Inventor(s) Name: Huang Jinmg;He Jianhui;Cheng LiquanPatent Agency Code: 00000Patent Agent: Abstract The cyclohexane oxidizing process suitable for use in five-stage cyclohexane oxidizing production equipment features that special cyclohexane feeding valves are added to the No.3 to No.5… Read More »

Method of scaling in phthalic acid oxidizing and drying machine

Application Number: 00112559Application Date: 2000.09.20Publication Number: 1287112Publication Date: 2001.03.14Priority Information: International: C07C51/265;C07C63/26Applicant(s) Name: Yangzi Petrochemical Co., Ltd., China Petrochemical Group Corp.Address: Inventor(s) Name: Xing Jianliang;Zhang Jingman;Yang ShengdongPatent Agency Code: 32204Patent Agent: huang jiadongAbstract One additional 1.0 MPa pressure steam pipe is installed. When some scale is formed and after closing the original 0.5 MPa steam… Read More »

Process for preparing cyclohexanone and by-product by oxidizing cyclohexane and preparing fuel from said by-product and its products

Application Number: 00113481Application Date: 2000.06.01Publication Number: 1298921Publication Date: 2001.06.13Priority Information: International: C10G27/00Applicant(s) Name: Tang XiaomingAddress: Inventor(s) Name: Tang Xiaoming;Liu Zhihong;Huang JichuanPatent Agency Code: 43103Patent Agent: wang mengshuAbstract The present invlention relates to a method of making fuel using byproduct obtained from production of cyclohexanone through oxidation of cyclohexane, waste saponified lye is acid-treated to obtain… Read More »

Process for separating epoxycldohexane from light oil as by-product of oxidizing cyclohexane

Application Number: 00113505Application Date: 2000.06.27Publication Number: 1331077Publication Date: 2002.01.16Priority Information: International: C07D311/04Applicant(s) Name: Changde Chemical Industry Co Ltd, Yueyang CityAddress: Inventor(s) Name: Zheng Shouping;Zhou Tianhong;Tang ZhaolanPatent Agency Code: 00000Patent Agent: Abstract A process for separating and recovering epoxy cyclohaxane from the light oil as the by-product of cyclohexane oxidization includes transforming the epoxy cyclohexane contained… Read More »

Process of evaporating cyclohexane oxidizing waste alkali liquor

Application Number: 00113584Application Date: 2000.07.29Publication Number: 1336331Publication Date: 2002.02.20Priority Information: International: C02F1/04;C07C45/27Applicant(s) Name: Baling Branch, China Petrochemical Corp., Ltd.Address: Inventor(s) Name: Song Xingxing;Huang Jing;Fu SongbaoPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to method of evaporating cyclohexane oxidative waste alkali liquor, it is characterized in that waste alkali liquor evaporation catalyst composed of… Read More »

Finned fixed-bed reactor with internal heat transfer for oxidizing SO2

Application Number: 00117570Application Date: 2000.10.31Publication Number: 1300637Publication Date: 2001.06.27Priority Information: International: B01J8/04Applicant(s) Name: Huanan Science and Engineering Univ.Address: Inventor(s) Name: Deng Xianhe;Zhang YajunPatent Agency Code: 44201Patent Agent: luo guanxiangAbstract A finned fixed-bed reactor with internal heat transfer for oxidizing SO2 is composed of converter shell, cold and hot flowing channels separated by longitudinal metal plates,… Read More »

Practical low-temperature CO oxidizing catalyst

Application Number: 00122829Application Date: 2000.08.29Publication Number: 1326811Publication Date: 2001.12.19Priority Information: International: B01D53/62;B01D53/86;B01J23/52;B01J32/00Applicant(s) Name: Yantai Univ.Address: Inventor(s) Name: An Lidun;Qi Shixue;Zou XuhuaPatent Agency Code: 00000Patent Agent: Abstract The carried Au catalyst has excellent low temperature activity, excellent steam and sulfur poison resistance and other features. It has Au as active component and formed Fe2O3 or other… Read More »

Catalytic oxidizing process for preparing solid formaldehyde from methylal and air

Application Number: 00123183Application Date: 2000.11.01Publication Number: 1351003Publication Date: 2002.05.29Priority Information: International: C07C45/45;C07C45/61;C07C47/04;C08G2/08Applicant(s) Name: Shenyang Chemical CollegeAddress: Inventor(s) Name: Zhao Mingyu;Fan Wenyu;Li DechengPatent Agency Code: 21205Patent Agent: yang yingAbstract A process for preparing solid formaldehyde includes such steps as preparing methylal from methanol and formaldehyde, catalytic air oxidizing of methylal to obtian high-concentration solid formaldehyde, and… Read More »

Reaction control phase transferring catalyst for oxidizing reaction and its oxidizing reaction process

Application Number: 00123339Application Date: 2000.11.29Publication Number: 1355067Publication Date: 2002.06.26Priority Information: International: B01J31/16;B01J31/36Applicant(s) Name: Dalian Inst. of Chemicophysics, Chinese Academy of SciencesAddress: Inventor(s) Name: Xi Zuwei;Sun Yu;Li KunlanPatent Agency Code: 21002Patent Agent: zhang chenAbstract A phase-transfer catalyst for oxidizing reaction contains heteropoly acid type QmHnXMpO4+3P and complex type QmMO3(L). It is no soluble in reaction medium.… Read More »

Cyclopentene oxidizing process for synthesizing glutaraldehyde

Application Number: 00123956Application Date: 2000.10.18Publication Number: 1348948Publication Date: 2002.05.15Priority Information: International: C07C45/28;C07C47/12Applicant(s) Name: Qilu Petrochemical Co., China Petrochemical GroupAddress: Inventor(s) Name: Guan Xiujun;Liu Fusheng;Liu YanPatent Agency Code: 37001Patent Agent: chen huizhenAbstract A method for preparing glutaric dialdehyde with cyclopentane after cyclopentadiene being hydrogenated as raw material is as follows: firstly, reaction liquid of glutaric dialdehyde… 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 »