METHOD TO MONITOR [BIOINCRUSTA]ÇAO IN A SYSTEM OF SEPARATION FOR MEMBRANE 机翻标题: 暂无翻译,请尝试点击翻译按钮。

源语言标题
(BR200312819) Método para monitorar bioincrustação em um sistema de separação por membrana
公开号/公开日
BR0312819 A 2005-10-18 [BR200312819]BRPI0312819 A1 2005-10-18 [BRPI0312819]BRPI0312819 A2 2011-06-21 [BR200312819]BR0312819 B1 2014-12-09 [BR200312819] / 2005-10-182005-10-182011-06-212014-12-09
申请号/申请日
2003BR-0012819 / 2003-03-21
发明人
HO BOSCO P;ZEIHER KELLE E H;WU MAY W;CHATORRAJ MITA;
申请人
NALCO;
主分类号
IPC分类号
A01N-001/00A01N-001/02B01D-065/02B01D-065/10C02FC12Q-001/02C12Q-001/04G01N-021/78G01N-033/18
摘要
(BR200312819) Methods for monitoring and/or controlling biofouling in membrane separation systems are provided.  The present invention utilizes measurable amounts of fluorogenic agent(s) added to a feed stream to monitor and/or control the level of microbial growth during membrane separation and, thus, the purification of such feed stream during membrane separation.  (From US6699684 B2)
机翻摘要
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地址
代理人
代理机构
;
优先权号
2002US-10201088 2002-07-23 2003WO-US08688 2003-03-21
主权利要求
(BR200312819)  1. Method for monitoring biofouling in a membrane separation system including a membrane capable of separating a feed stream into at least a first stream and a second stream, characterized in that it comprises the steps of: provide a fluorogenic agent;   adding the fluorogenic agent to the feed stream;   provide a fluorometer to detect the fluorescent signal of the fluorogenic agent in at least one of the feed streams, the first stream and the second stream;   reacting the fluorogenic agent with at least one microorganism within the membrane separation system;   form a reacted fluorogenic agent;   using the fluorometer to measure the fluorescent signal of at least one of the fluorogenic agent and the reacted fluorogenic agent in at least one of the first stream and second stream, and optionally of the feed stream;  and monitoring biofouling in the membrane separation system based on the change in the signal fluorogenic agent or agent reacted fluorogenic or a combination of both signals measured. 2. Method according to claim 1, characterized by the fact that the membrane separation system is selected from the group consisting of a separation system for cross-flow membrane separation system and a closed-end flow membrane. 3. Method according to claim 1, characterized by the fact that.  The membrane separation system is selected from the group consisting of reverse osmosis, nanofiltration, ultrafiltration, microfiltration, electrodialysis, electrodeionization, pervaporation, membrane extraction, ::2 membrane distillation, membrane removal, membrane aeration and combinations thereof. 4. Method according to claim 1, characterized by the fact that the membrane separation system is selected from the group consisting of reverse osmosis, nanofiltration, ultrafiltration and microfiltration. 5. Method according to claim 1, characterized in that the fluorogenic agent is selected from the group consisting of acetic acid ester of pyrene 3,6,8-trisulfonic acid;  carboxyfluorescein diacetate;  3-carboxiumbeliferil (3-D-galactopyranoside 3- carboxiumbeliferil 0-D-glucuronide;  9H- (1,3-dichloro-9,0-dimetilacridina-2-one-7-i1), D-glucuronide;  9H ( 1,3-dichloro-9,9-dimetilacridin-2-one-7-i1);   resorufin PD-galactopyranoside;  fluorescein di-PD-galactopyranoside;   fluorescein di-PD-glucuronide;  resorufin PD-glucuronide;  fluorescein diphosphate;  resazurin;  resazurin, sodium salt;  phosphate 4-methyl-umbeliferila;  4. Umbeliferila 0-methyl-D-glucuronide;  pyranine phosphate;  1-phosphate pyrene 3,6,8-trisulfonic acid;  and combinations thereof. 6. Method according to claim 1, characterized in that the fluorogenic agent is selected from the group consisting of resazurin, 4-metilumbeliferila phosphate, pyranine phosphate and combinations thereof. 7. Method according to claim 1, characterized in that the fluorogenic agent is resazurin. 8. Method according to claim 1, characterized in that the fluorogenic agent is added into the feed stream in an amount from about 5 ppt to 500 ppm. 9. Method according to claim 1, characterized in that the fluorogenic agent is added into the feed stream in an amount from about 0.5 ppb to 5 ppm. 10. Method according to claim 1, characterized in that the fluorogenic agent is added into the feed stream in an amount from about 5 ppb to about 500 ppb. 11. Method according to claim 1, characterized by the fact that biofouling is monitored by determining a ratio fluorescence signal of the fluorogenic agent to the fluorescent signal reacted fluorogenic agent in at least one of the first current and second current. 12. Method according to claim 11, characterized in further comprising determining the fluorescent signal relative rate of change of the fluorogenic agent reacted to the fluorescent signal of the fluorogenic agent in at least one of the first stream and second stream to monitor biofouling. 13. Method according to claim 1, characterized in further comprising the step of: determining the optimal amount of biocontrol treatment based on the change in the signal fluorogenic agent or agent reacted fluorogenic or a combination of both signals measured;  and applying the optimal amount of biocontrol treatment to the membrane separation system. 14. A method according to claim 13, characterized by the fact that the biocontrol treatment is selected from the group consisting of biocides, biocontrol agents, biocontrol methods and combinations thereof. 15. A method according to claim 14, characterized by the fact that the biocides are selected from the group consisting of oxidizing biocides, non-oxidizing biocides and combinations thereof. 16. A method according to claim 14, characterized by the fact that the biocontrol agents are selected from the group consisting of bio-dispersants, bio-detergents, chaotropic agents, surfactants, chelating agents, enzymatic cleaners and combinations thereof. 17. A method according to claim 14, characterized by the fact that the biocontrol methods are selected from the group consisting of ultrasound, electric fields and back-washing air. 18. Method according to claim 1, characterized by the fact that the microorganisms are selected from the group consisting of planktonic microorganisms, sessile microorganisms and combinations thereof. 19. Method according to claim 1, characterized in that it further comprises the addition of an inert fluorescent tracer to the feed stream to monitor biofouling in the system of separation membrane based on the change in the fluorogenic agent signal or the fluorogenic agent reacted in relation to the signal inert fluorescent tracer.  Machine Translated
法律状态
(BR200312819) LEGAL DETAILS FOR BR0312819  Actual or expected expiration date=2023-03-21    Legal state=ALIVE    Status=GRANTED     Event publication date=2003-03-21  Event code=BR/APP  Event indicator=Pos  Event type=Examination events  Application details  Application country=BR BR0312819  Application date=2003-03-21  Standardized application number=2003BR-0012819     Event publication date=2005-10-18  Event code=BR/A1  Event indicator=Pos  Event type=Examination events  Published application  Publication country=BR  Publication number=BRPI0312819  Publication stage Code=A1  Publication date=2005-10-18  Standardized publication number=BRPI0312819     Event publication date=2005-10-18  Event code=BR/A  Event type=Examination events  Published application  Publication country=BR  Publication number=BR0312819  Publication stage Code=A  Publication date=2005-10-18  Standardized publication number=BR200312819     Event publication date=2011-06-21  Event code=BR/A2  Event indicator=Pos  Event type=Examination events  Application for a patent of invention / pipeline patent published without search report  Publication country=BR  Publication number=BRPI0312819  Publication stage Code=A2  Publication date=2011-06-21  Standardized publication number=BR200312819     Event publication date=2011-06-21  Event code=BR/B06F  Event type=Administrative notifications  Objections, documents and/or translations needed after an examination request according art. 34 industrial property law Exigencias tecnicas e formais: exigencia - art. 34 da lpi    Event publication date=2014-04-15  Event code=BR/B07A  Event type=Examination events  Technical examination (opinion): publication of technical examination (opinion) Ciencia de parecer: conhecimento de parecer tecnico    Event publication date=2014-08-19  Event code=BR/B09A  Event type=Event indicating In Force  Event type=Administrative notifications  Decision: granting Decisao: deferimento    Event publication date=2014-12-09  Event code=BR/B1  Event indicator=Pos  Event type=Event indicating In Force  Granted patent / Granted pipeline patent  Publication country=BR  Publication number=BR0312819  Publication stage Code=B1  Publication date=2014-12-09  Standardized publication number=BR200312819     Event publication date=2014-12-09  Event code=BR/B16A  Event indicator=Pos  Event type=Event indicating In Force  Event type=Administrative notifications  Patent or certificate of addition of invention granted Concessao de patente ou certificado de adicao de invencao: concessao de    patente ou certificado de adicao de invencao PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 09/12/2014, OBSERVADAS AS CONDICOES LEGAIS.
专利类型码
AA1A2B1
国别省市代码
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