Tag Archives: sewage

Pysicochemical-biochemical process for treating ammonia-nitrogen sewage from catalytic cracking catalyst production

Application Number  00129420 Application Date  2000.12.21 Publication Number  1359863 Publication Date  2002.07.24 Priority Information     International Classification  C02F9/02;C02F9/14   Applicant(s) Name  Qilu Petro-Chemical Co., China Petro-Chemical Corp   Address     Inventor(s) Name  Pan Xianfeng;Yang Xiaoyi;Huang Bin   Patent Agency Code  37212 Patent Agent  gong tonghai AbstractA process for treating sewage containing ammoniacal nitrogen… Read More »

Floculant for treating sewage

Application Number  00129363 Application Date  2000.11.29 Publication Number  1355141 Publication Date  2002.06.26 Priority Information     International Classification  C02F1/56;C08K3/10;C08K5/04;C08K5/07;C08L79/02   Applicant(s) Name  Sun Chuanbin   Address     Inventor(s) Name  Sun Chuanbin;Lin Pei;Sun Xin   Patent Agency Code  37100 Patent Agent  jiang meng AbstractA flocculant for treating sewage is prepared from polyacrylamide (1-40 wt portions),… Read More »

Composite flocculant for sewage treatment

Application Number  00129345 Application Date  2000.11.24 Publication Number  1318522 Publication Date  2001.10.24 Priority Information     International Classification  C02F1/56   Applicant(s) Name  Liu Xing   Address     Inventor(s) Name  Liu Xing   Patent Agency Code  00000 Patent Agent   AbstractThe composite flocculant for treatment of industry and domestic sewage consists of sulfate, calcium hypoochlorite,… Read More »

Physical-chemical method sewage quick purifying and circulation reusing technology and solid-liquid separation special equipment-sewage treating machine

Application Number  00129126 Application Date  2000.09.29 Publication Number  1345698 Publication Date  2002.04.24 Priority Information     International Classification  B01D21/01;C02F9/04   Applicant(s) Name  Li Gengcheng   Address     Inventor(s) Name  Li Gengcheng   Patent Agency Code  13100 Patent Agent  qu jiaban AbstractThe present invention relates to a process for quickly cleaning and cylically reusing sewage… Read More »

Sewage treating plant and industry for water region

Application Number  00128568 Application Date  2000.11.15 Publication Number  1296922 Publication Date  2001.05.30 Priority Information   1999/11/22 CN 99254562.5   International Classification  C02F9/14;C02F3/10;C02F3/28;C02F3/30   Applicant(s) Name  Huang Binfu   Address     Inventor(s) Name  Huang Binfu   Patent Agency Code  00000 Patent Agent   AbstractA sewage treating plant for water zone and pollution treating process are… Read More »

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 »

Oligodynamic equipment for treating household sewage

Application Number: 00112176Application Date: 2000.03.24Publication Number: 1266823Publication Date: 2000.09.20Priority Information: International: C02F9/14Applicant(s) Name: Mao JunhaoAddress: Inventor(s) Name: Jiang Maojun;Mao Junhao;Yang LinPatent Agency Code: 32104Patent Agent: yin gongmeiAbstract An oligodynamic equipment for treating household sewage is composed of digestion pool, oil-separating settling pool, two aerating pools, and oxidizing ditch. In the aerobic state, the polluted substances… Read More »

Method for using treated sewage in circulating water system

Application Number: 00121550Application Date: 2000.08.11Publication Number: 1338433Publication Date: 2002.03.06Priority Information: International: C02F1/50;C02F1/66;C02F5/10Applicant(s) Name: Chinese Petro-Chemical Co LtdAddress: Inventor(s) Name: Li Bengao;Yu ZhengqiPatent Agency Code: 72001Patent Agent: xu shuAbstract A method for using the treated sewage in the circulating water system includes adding disinfectant to sterilize the treated sewage, adding alkaline substance to regulate its pH… Read More »

Process for treating sewage by decomposing carbonate with afterheat of slags

Application Number: 00112770Application Date: 2000.03.15Publication Number: 1313249Publication Date: 2001.09.19Priority Information: International: C02F1/66Applicant(s) Name: Gu JianAddress: Inventor(s) Name: Gu JianPatent Agency Code: 52100Patent Agent: yu dunhanAbstract A process for treating the sewage generated in yellow phosphorus includes grinding carbonate to obtain 10-100 meshes of powder, continuously spreading the powder onto just discharged slags for decomposing the… Read More »

Rancidification preventing method for anaerobic UASB sewage treating system

Application Number: 00122061Application Date: 2000.08.15Publication Number: 1337364Publication Date: 2002.02.27Priority Information: International: C02F3/28Applicant(s) Name: Xinyang Beer Group Corp., Ltd., HenanAddress: Inventor(s) Name: Meng Zhaocheng;Zhang Zhitian;Hu ZhengzhongPatent Agency Code: 00000Patent Agent: Abstract The method for preventing rancidification in anaerobic UASB sewage treatment system is technically characterized by that in sewage treatment system adopting anaerobic UASB method, when… Read More »

Process for treating sewage by neutralization and ion salt oxidization

Application Number: 00113056Application Date: 2000.06.20Publication Number: 1330047Publication Date: 2002.01.09Priority Information: International: C02F9/04Applicant(s) Name: Technical Center, Yunnan Copper (Group) Co LtdAddress: Inventor(s) Name: Li Ming;Zhang Chonggu;Zhang WeiminPatent Agency Code: 53106Patent Agent: li yunAbstract A process for treating sewage by neutralization and iron salt oxidization is disclosed. In neutralization step, most of the As ions in sewage… Read More »

Buried under earth type sewage treatment equipment using solar energy

Application Number: 00122309Application Date: 2000.07.27Publication Number: 1277943Publication Date: 2000.12.27Priority Information: International: C02F3/00Applicant(s) Name: Chen QisongAddress: Inventor(s) Name: Chen Qisong;Wang ShenyuPatent Agency Code: 00000Patent Agent: Abstract A solar energy, underground, domestic sewage treatment device is composed of solar energy heater, far infrared heater, and underground type domestic sewage treatment pool. Advantages include: strong adaptibility, no secondary… Read More »

Process for treating sludge generated after sewage treatment

Application Number: 00113224Application Date: 2000.01.14Publication Number: 1305976Publication Date: 2001.08.01Priority Information: International: C05F7/00Applicant(s) Name: Zeng ZhiyongAddress: Inventor(s) Name: Zeng ZhiyongPatent Agency Code: 43113Patent Agent: lu hongAbstract A process for processing the mud generated after treating sewage to obtain fertilizer includes adding ferrous sulfate (0.2 Kg/cu.m), mixing, dewatering, measuring the content of N,P and K in the… Read More »

Technology and equipment for cleaning electroplated parts without discharge of sewage

Application Number: 00122323Application Date: 2000.07.28Publication Number: 1286323Publication Date: 2001.03.07Priority Information: International: C25D21/20Applicant(s) Name: Ge AilanAddress: Inventor(s) Name: Ge AilanPatent Agency Code: 00000Patent Agent: Abstract A technology for cleaning electroplated parts without discharge of sewage features that the cleaning tanks and stand-by tanks are used, the cyclic period and the volume of cleaning tank are chosen… Read More »

Sewage comprehensive treatment method for alkaline method straw pulp paper-making

Application Number: 00113922Application Date: 2000.09.18Publication Number: 1285435Publication Date: 2001.02.28Priority Information: International: D21C11/04Applicant(s) Name: Song YoushengAddress: Inventor(s) Name: Song YoushengPatent Agency Code: 61114Patent Agent: xu bengAbstract The sode straw pulp paper-making sewage treatment method includes the following two steps: 1. black liquor treatment step: adding acidified aluminium sulfate in black liquor, when the pH value is… Read More »

Process for treating city sewage

Application Number: 00122371Application Date: 2000.09.08Publication Number: 1300715Publication Date: 2001.06.27Priority Information: International: C02F1/00;C02F1/24;C02F3/14;C02F11/12Applicant(s) Name: Chen QisongAddress: Inventor(s) Name: Chen QisongPatent Agency Code: 00000Patent Agent: Abstract A process for treating city sewage includes efficient physicochemical step including flocculation and floatation and biochemical step with oxidizing ditch. Its advantages are less investment, less possessed ground, low cost, and… Read More »

Sewage electrolyzing purifier and its usage

Application Number: 00114206Application Date: 2000.04.17Publication Number: 1318519Publication Date: 2001.10.24Priority Information: International: C02F1/461Applicant(s) Name: Zhongshan City Environment Protection EquipmentAddress: Inventor(s) Name: Chen Jiequan;Xu MingfengPatent Agency Code: 44104Patent Agent: he haifanAbstract Under the action of metal electrode and through electrolytic coagulation and co-precipitation, electrochemical oxidoreduction, etc., pollutant in sewage is coagulated and adhered to small bubbles emitted… Read More »

Cleaner for industrial sewage

Application Number: 00123006Application Date: 2000.09.20Publication Number: 1343631Publication Date: 2002.04.10Priority Information: International: C02F1/52;C02F1/56Applicant(s) Name: Wu XingjiuAddress: Inventor(s) Name: Wu XingjiuPatent Agency Code: 00000Patent Agent: Abstract A cleaner for industrial sewage is prepared from carbon powder, lignin, magnesium oxide, ferrous sulfate, polymerized aluminium chloride, SiO2 and polyacrylamide through proportional mixing. Its advantages are high action speed (clairyfing… Read More »

Biologic process for treating sewage

Application Number: 00114468Application Date: 2000.04.06Publication Number: 1316391Publication Date: 2001.10.10Priority Information: International: C02F3/30Applicant(s) Name: Li JunAddress: Inventor(s) Name: Li JunPatent Agency Code: 42109Patent Agent: ji huiAbstract A biological process for treating sewage is disclosed, which uses as least one reaction pool, at least on secondary deposition pool, aerating system and slurry reflux system. The mode of… Read More »

Process for removing ammoniacal nitrogen from sewage of coking

Application Number: 00123308Application Date: 2000.11.23Publication Number: 1293154Publication Date: 2001.05.02Priority Information: International: C02F1/70;C02F3/02Applicant(s) Name: Anshan General Design Inst of Coking Refractory Materials, Chinese MetallurgicalAddress: Inventor(s) Name: Wei Guorui;LI Guoliang;Wu JianPatent Agency Code: 21217Patent Agent: huang keAbstract A process for removing ammoniacal nitrogen from sewage of coking features that denitrificating reaction and back-nitrating reaction take place in… Read More »

Process for treating industrial sewage containing nitrobenzenes compounds by adsorption method

Application Number: 00114476Application Date: 2000.04.12Publication Number: 1266820Publication Date: 2000.09.20Priority Information: International: C02F1/28Applicant(s) Name: Huazhong Science and Engineering Univ.Address: Inventor(s) Name: Lu Xiaohua;Xu ZhongqiPatent Agency Code: 42201Patent Agent: ji yuanAbstract A process for treating industrial sewage containing nitrobenzene compounds by adsorption method features that two adsorption tower made of stainless steel and with same structure are… Read More »

Process for preparing natural bentone material used to treat sewage

Application Number: 00123368Application Date: 2000.12.06Publication Number: 1356270Publication Date: 2002.07.03Priority Information: International: C02F1/28;C02F1/42Applicant(s) Name: Dalian Inst of Chemicophysics, Chinese Academy of SciencesAddress: Inventor(s) Name: Liu Xueliang;Liu Ying;Wang JundePatent Agency Code: 21002Patent Agent: zhang chenAbstract A natural bentone material for treating sewage is prepared through Na ion displacement of bentone, proportionally mixing it with solution of aluminium… Read More »

Treatment and application of sewage generated by leaching anode calcine fume of aluminium

Application Number: 00114566Application Date: 2000.05.11Publication Number: 1273219Publication Date: 2000.11.15Priority Information: International: C02F1/52Applicant(s) Name: Pingguo Aluminium Industry Corp.Address: Inventor(s) Name: Gan Guoyao;Wen Ke;Li ChaonanPatent Agency Code: 45106Patent Agent: li mengtianAbstract A process for treating the sewage generated by leaching the anode calcining fume of aluminium includes adding lime powder or calcium lime to said sewage, then… Read More »

Sewage treating device and coalescence settling device

Application Number: 00123807Application Date: 2000.08.18Publication Number: 1286225Publication Date: 2001.03.07Priority Information: 2000/3/10 JP 066873/00; 2000/3/16 JP 073660/00; 1999/8/25 JP 238610/99International: C02F9/14Applicant(s) Name: Sanyo Electric Co., Ltd.Address: Inventor(s) Name: Moriizumi Masaki;Kondo Fumikata;Noro TokuyaPatent Agency Code: 11216Patent Agent: liu jiyangAbstract The tank (1) having a first compartment (5) with an anaerobic filter, a second compartment (10) with anaerobic… Read More »

Sewage cleaner

Application Number: 00114689Application Date: 2000.07.06Publication Number: 1276350Publication Date: 2000.12.13Priority Information: International: C02F1/52Applicant(s) Name: Qin WuwenAddress: Inventor(s) Name: Qin WuwenPatent Agency Code: 45106Patent Agent: li mengtianAbstract A sewage cleaner is prepared from ferrous sulfate, copper sulfate, lime, polymerized aluminium chloride and bleaching powder through dissolving, mixing, and stirring. Its advantages are simple preparing process, high safety… Read More »

Sewage treating device

Application Number: 00123839Application Date: 2000.08.22Publication Number: 1286221Publication Date: 2001.03.07Priority Information: 2000/3/14 JP 070361/00; 1999/8/25 JP 238610/99International: C02F1/463;C02F1/58;C02F3/30Applicant(s) Name: Sanyo Electric Co., Ltd.Address: Inventor(s) Name: Moriizumi Masaki;Kondo Fumikata;Noro takuyaPatent Agency Code: 11216Patent Agent: liu jiyangAbstract Disclosed is an air-dispersed pipe 271 with electrode 260 with lift side, underside and right side covered. End of the air-dispersed… Read More »

Process for reclaiming ammonia-contained sewage

Application Number: 00110589Application Date: 2000.06.28Publication Number: 1331053Publication Date: 2002.01.16Priority Information: International: C02F9/04Applicant(s) Name: Chinese Petro-Chemical Group CoAddress: Inventor(s) Name: Guo Hongshan;Han Jianhua;Lin DaquanPatent Agency Code: 21102Patent Agent: li weiAbstract A process for treating and recovering the ammonia/ammonium contained waste water generated in preparing catalyst includes reverse-osmosis concentration of the said waste with low ammonia content,… Read More »

Sewage treatment method and equipment thereof

Application Number: 00114693Application Date: 2000.07.11Publication Number: 1333190Publication Date: 2002.01.30Priority Information: International: C02F9/14Applicant(s) Name: Inst. of Aquatic Living Beings, Chinese Academy of SciencesAddress: Inventor(s) Name: Wu Zhenbin;Lei ZhihongPatent Agency Code: 42001Patent Agent: wang minfengAbstract The present invention discloses a sewage treatment method and its installation. Said method incldues the following steps: firstly, making sewage pass through… Read More »

Automatic controller for sewage treatment process

Application Number: 00124897Application Date: 2000.09.22Publication Number: 1285324Publication Date: 2001.02.28Priority Information: International: C02F3/12;G05B13/02Applicant(s) Name: Zhonghua Kangyu Environemtn Protection Engineering and Technology Co., Ltd., BeiAddress: Inventor(s) Name: Wen Ruimei;Huang XianweiPatent Agency Code: 11247Patent Agent: yang qiangyunAbstract The present invention discloses an automatic control device for sewage treatment process, including sewage treatment pool, several on-line detection devices, a… Read More »

Artesian sewage treating process

Application Number: 00110777Application Date: 2000.08.10Publication Number: 1278516Publication Date: 2001.01.03Priority Information: International: C02F3/12;C02F3/28;C02F3/30;C05F7/00Applicant(s) Name: He BaocaiAddress: Inventor(s) Name: He BaocaiPatent Agency Code: 21101Patent Agent: zhang shuhuaAbstract The sewage treatment process includes the steps of cyclone sand-removing, anaerobic biological treatment, aerobic biological treatment and settling water-discharging, etc., which is characterized by that the sewage is passed through… Read More »