BR112014012839A2 - método de redução da cod de um meio aquoso - Google Patents

método de redução da cod de um meio aquoso

Info

Publication number
BR112014012839A2
BR112014012839A2 BR112014012839A BR112014012839A BR112014012839A2 BR 112014012839 A2 BR112014012839 A2 BR 112014012839A2 BR 112014012839 A BR112014012839 A BR 112014012839A BR 112014012839 A BR112014012839 A BR 112014012839A BR 112014012839 A2 BR112014012839 A2 BR 112014012839A2
Authority
BR
Brazil
Prior art keywords
codon
reducing
aqueous medium
aqueous
medium
Prior art date
Application number
BR112014012839A
Other languages
English (en)
Inventor
Quentin Pollett James
D Mersch Matthew
Robert Vasconcellos Stephen
Original Assignee
Gen Electric
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Publication of BR112014012839A2 publication Critical patent/BR112014012839A2/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/301—Detergents, surfactants
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/32—Hydrocarbons, e.g. oil
    • C02F2101/325—Emulsions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
BR112014012839A 2011-12-15 2012-11-07 método de redução da cod de um meio aquoso BR112014012839A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/326,396 US8518267B2 (en) 2011-12-15 2011-12-15 Treatment of surfactant laden wastewater
PCT/US2012/063849 WO2013089945A1 (en) 2011-12-15 2012-11-07 Treatment of surfactant laden wastewater

Publications (1)

Publication Number Publication Date
BR112014012839A2 true BR112014012839A2 (pt) 2017-06-13

Family

ID=47179006

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014012839A BR112014012839A2 (pt) 2011-12-15 2012-11-07 método de redução da cod de um meio aquoso

Country Status (8)

Country Link
US (1) US8518267B2 (pt)
EP (1) EP2791065A1 (pt)
CN (1) CN103998382B (pt)
AU (1) AU2012352838B2 (pt)
BR (1) BR112014012839A2 (pt)
TW (1) TWI558670B (pt)
WO (1) WO2013089945A1 (pt)
ZA (1) ZA201404831B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104558243B (zh) * 2014-12-19 2017-04-05 浙江理工大学 N‑烷基‑o‑酰基化壳聚糖季铵盐制备方法及应用
CN105367687A (zh) * 2015-12-09 2016-03-02 上海大学 壳聚糖两性高分子表面活性剂及其合成方法
CN113072123B (zh) * 2021-03-25 2022-10-14 南京师范大学 一种基于生态填料和生态袋地表径流污染负荷阻断及强化净化方法

Family Cites Families (25)

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US3288770A (en) 1962-12-14 1966-11-29 Peninsular Chem Res Inc Water soluble quaternary ammonium polymers
US4056432A (en) 1971-07-06 1977-11-01 Calgon Corporation Process for making paper products of improved dry strength
US4396513A (en) 1981-09-08 1983-08-02 Betz Laboratories, Inc. Use of very high charge cationic polymers in biological sludge dewatering
DE3903797A1 (de) 1989-02-09 1990-08-16 Hoechst Ag Verfahren zur herstellung von aktivierten chitosanen und deren verwendung bei der herstellung von chitosanderivaten
US5207922A (en) * 1990-10-25 1993-05-04 Diversey Corporation Method for treating laundry waste water
US5182331A (en) 1991-02-26 1993-01-26 Betz Laboratories, Inc. Water soluble block copolymers and methods of use thereof
US5368744A (en) 1993-08-03 1994-11-29 Betz Laboratories, Inc. Methods for treating wastewater
US5393435A (en) 1993-09-17 1995-02-28 Vanson L.P. Removal of organic contaminants from aqueous media
US5523000A (en) * 1994-06-29 1996-06-04 Ecolab Inc. Improved pH driven method for wastewater separation using an amphoteric dicarboxylate and a cationic destabilizer composition
US5744064A (en) 1995-05-12 1998-04-28 Union Carbide Chemicals & Plastics Technology Corporation Ketone-based surfactant and method for treating industrial, commerical, and institutional waste-water
DE19544455A1 (de) 1995-11-29 1997-06-05 Henkel Kgaa Verfahren zur Abwasseraufbereitung
US5853596A (en) * 1996-12-09 1998-12-29 Henkel Corporation Method for reducing chemical oxygen demand of water containing organic material emulsified by a surfactant
US6319412B1 (en) 1997-10-21 2001-11-20 New Working Waters, Llc Wastewater treatment process
AU1853700A (en) 1999-01-06 2000-07-24 Pulp And Paper Research Institute Of Canada Papermaking additive with primary amino groups and mechanical pulp treated therewith
US6294622B1 (en) 1999-09-27 2001-09-25 Ecole Polytechnique Federale De Lausanne (Epfl) Polymer flocculants with improved dewatering characteristics
US20020189022A1 (en) 2001-06-05 2002-12-19 Chang Wen Chung Method for the treatment of textiles after washing
US20040142834A1 (en) 2003-01-09 2004-07-22 Paul Wegner Soap and process for cleaning wash water
US7331355B2 (en) 2003-10-30 2008-02-19 The Procter & Gamble Company Floor cleaning and gloss enhancing compositions
US7160470B2 (en) 2004-04-19 2007-01-09 Davis Robert A Method of clarifying industrial laundry wastewater using cationic dispersion polymers and anionic flocculent polymers
US7192527B2 (en) 2004-08-10 2007-03-20 Halliburton Energy Services, Inc. Processes for removing oil from solid wellbore materials and produced water
US7595007B2 (en) 2005-10-14 2009-09-29 Aquero Company Amino acid and carbohydrate polymers for use in soil retention, water conservation, water clarification, and dust control
US7998351B2 (en) 2006-12-22 2011-08-16 Vinod Kumar Rai Tannin based polymeric coagulants composition and method of use
US20120058060A1 (en) * 2010-04-13 2012-03-08 Air Products And Chemicals, Inc. Cationic/Cationogenic Comb Copolymer Compositions and Personal Care Products Containing the Same
US8557125B2 (en) 2010-06-07 2013-10-15 General Electric Company Treatment additives, methods for making and methods for clarifying aqueous media
CN101935097A (zh) * 2010-07-23 2011-01-05 北京化工大学 一种废弃钻井液固液分离絮凝剂及其制备方法

Also Published As

Publication number Publication date
CN103998382B (zh) 2016-08-24
CN103998382A (zh) 2014-08-20
WO2013089945A1 (en) 2013-06-20
TW201331132A (zh) 2013-08-01
ZA201404831B (en) 2016-05-25
EP2791065A1 (en) 2014-10-22
TWI558670B (zh) 2016-11-21
US20130153512A1 (en) 2013-06-20
AU2012352838B2 (en) 2017-01-12
AU2012352838A1 (en) 2014-06-26
US8518267B2 (en) 2013-08-27

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B25A Requested transfer of rights approved

Owner name: BL TECHNOLOGIES, INC. (US)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements
B350 Update of information on the portal [chapter 15.35 patent gazette]