BR112016023731A2 - ?uso de um carbonato de cálcio precipitado coloidal para adsorção e/ou redução da quantidade de pelo menos um material orgânico em um meio aquoso? - Google Patents

?uso de um carbonato de cálcio precipitado coloidal para adsorção e/ou redução da quantidade de pelo menos um material orgânico em um meio aquoso?

Info

Publication number
BR112016023731A2
BR112016023731A2 BR112016023731A BR112016023731A BR112016023731A2 BR 112016023731 A2 BR112016023731 A2 BR 112016023731A2 BR 112016023731 A BR112016023731 A BR 112016023731A BR 112016023731 A BR112016023731 A BR 112016023731A BR 112016023731 A2 BR112016023731 A2 BR 112016023731A2
Authority
BR
Brazil
Prior art keywords
adsorption
reduction
amount
calcium carbonate
organic material
Prior art date
Application number
BR112016023731A
Other languages
English (en)
Other versions
BR112016023731B1 (pt
Inventor
Gantenbein Daniel
Schoelkopf Joachim
Tuomas Lehtipuu Juhana
A C Gane Patrick
Original Assignee
Omya Int Ag
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 Omya Int Ag filed Critical Omya Int Ag
Publication of BR112016023731A2 publication Critical patent/BR112016023731A2/pt
Publication of BR112016023731B1 publication Critical patent/BR112016023731B1/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/043Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/288Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004Sorbent size or size distribution, e.g. particle size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057Surface area, e.g. B.E.T specific surface area
    • B01J20/28059Surface area, e.g. B.E.T specific surface area being less than 100 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057Surface area, e.g. B.E.T specific surface area
    • B01J20/28061Surface area, e.g. B.E.T specific surface area being in the range 100-500 m2/g
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/02Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/305Endocrine disruptive agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/308Dyes; Colorants; Fluorescent agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/30Nature of the water, waste water, sewage or sludge to be treated from the textile industry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/32Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
    • C02F2103/325Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from processes relating to the production of wine products
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

a presente invenção se refere ao uso de um carbonato de cálcio precipitado coloidal (cpcc) para adsorção e/ou redução da quantidade de pelo menos um material orgânico em um meio aquoso.
BR112016023731-5A 2014-04-16 2015-04-13 Uso de um carbonato de cálcio precipitado coloidal para adsorção e/ou redução da quantidade de pelo menos um material orgânico em um meio aquoso BR112016023731B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14164890.7 2014-04-16
EP14164890.7A EP2933375B1 (en) 2014-04-16 2014-04-16 Adsorbing and/or reduction of the amount of organic materials in an aqueous medium by using colloidal precipitated calcium carbonate
PCT/EP2015/057967 WO2015158657A1 (en) 2014-04-16 2015-04-13 Adsorbing and/or reduction of the amount of organic materials in an aqueous medium by using colloidal precipitated calcium carbonate

Publications (2)

Publication Number Publication Date
BR112016023731A2 true BR112016023731A2 (pt) 2017-08-15
BR112016023731B1 BR112016023731B1 (pt) 2022-02-08

Family

ID=50479104

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016023731-5A BR112016023731B1 (pt) 2014-04-16 2015-04-13 Uso de um carbonato de cálcio precipitado coloidal para adsorção e/ou redução da quantidade de pelo menos um material orgânico em um meio aquoso

Country Status (15)

Country Link
US (1) US10046984B2 (pt)
EP (2) EP2933375B1 (pt)
JP (2) JP6726623B2 (pt)
KR (1) KR101998936B1 (pt)
CN (1) CN106232527B (pt)
AU (1) AU2015248940B2 (pt)
BR (1) BR112016023731B1 (pt)
CA (1) CA2944098C (pt)
ES (1) ES2716604T3 (pt)
HR (1) HRP20190392T1 (pt)
MX (1) MX2016013534A (pt)
RU (1) RU2648112C1 (pt)
SG (1) SG11201608096XA (pt)
SI (1) SI2933375T1 (pt)
WO (1) WO2015158657A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3183965A1 (en) * 2015-12-23 2017-06-28 Omya International AG Composition for aquatic pest control
JP2019148019A (ja) * 2018-02-26 2019-09-05 セイコーエプソン株式会社 処理装置、シート製造装置、処理方法およびシートの製造方法
CN112875832B (zh) * 2021-03-17 2022-08-23 辽宁工程技术大学 一种碱性缓释材料的制备方法
CN116002834B (zh) * 2023-01-16 2023-06-23 山东蓝昕环保测试分析有限公司 重金属有机耦合剂及应用于污水处理的处理方法

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5626720A (en) 1986-01-09 1997-05-06 W.R. Grace & Co.-Conn. Method for controlling pitch on a papermaking machine
US4892590A (en) * 1988-06-03 1990-01-09 Pfizer Inc. Precipitated calcium carbonate-cationic starch binder as retention aid system for papermaking
JPH05345684A (ja) * 1992-06-12 1993-12-27 Okayama Pref Gov 高吸油性炭酸カルシウムの製造方法
EP0586755B1 (en) 1992-07-02 1997-05-21 Ecc International Limited A process for controlling the deposition of pitch in paper making
JPH0665892A (ja) 1992-08-19 1994-03-08 Mizusawa Ind Chem Ltd ピッチ吸着剤
GB9505323D0 (en) 1995-03-16 1995-05-03 Ecc Int Ltd Improved pitch control agent
KR0182788B1 (ko) * 1996-02-02 1999-04-15 유규재 초미세 교질 탄산칼슘의 제조방법
US5798023A (en) 1996-05-14 1998-08-25 Nalco Chemical Company Combination of talc-bentonite for deposition control in papermaking processes
US5744003A (en) 1996-07-30 1998-04-28 Ashland Inc. Process for controlling the deposition of pitch with a blend of derivatized cationic guar and styrene maleic anhydride copolymer
US7052579B1 (en) 1996-08-05 2006-05-30 Ashland Inc. Pitch control composition
JP3717279B2 (ja) 1997-07-18 2005-11-16 東邦化学工業株式会社 製紙用ピッチ抑制剤
US6153049A (en) 1998-03-25 2000-11-28 The Dow Chemical Company Method for inhibiting the deposition of white pitch in paper production using ethylene amine compound
CA2333113C (en) * 1998-05-27 2007-02-13 J.M. Huber Denmark Aps Use of colloidal precipitated calcium carbonate as a filter in the preparation of paper
JP4143750B2 (ja) 2001-01-10 2008-09-03 株式会社片山化学工業研究所 製紙工程におけるピッチ障害防止方法
US20030096143A1 (en) 2001-10-05 2003-05-22 Luzenac America, Inc. Surface modification of talc to improve wettability and increased affinity to cellulosic fibers
KR20040106329A (ko) 2002-04-08 2004-12-17 시바 스페셜티 케미칼스 워터 트리트먼츠 리미티드 백색 피치 침착 처리
JP3843892B2 (ja) * 2002-06-13 2006-11-08 協同組合津久見ファインセラミックス研究センター 板状炭酸カルシウム球状複合体およびその製造方法
JP2004292998A (ja) 2003-03-27 2004-10-21 Nippon Paper Industries Co Ltd ピッチ吸着剤及びピッチトラブル防止法
US7166192B2 (en) 2003-05-23 2007-01-23 Hercules Incorporated Method for controlling pitch and stickies deposition
JP2006065892A (ja) 2004-08-24 2006-03-09 D & M Holdings Inc レコードプレーヤ装置
US20060048908A1 (en) 2004-09-08 2006-03-09 Enzymatic Deinking Technologies, Llc System for control of stickies in recovered and virgin paper processing
FR2900410B1 (fr) 2006-04-27 2008-08-29 Coatex Sas Procede de traitement du talc par des polymeres amphoteres, talc obtenu, utilisation dudit talc comme agent reducteur de la quantite de colloides dans la fabrication de systemes aqueux.
FR2900411B1 (fr) 2006-04-27 2008-08-29 Coatex Sas Procede de traitement de matieres minerales par des polymeres amphoteres,matieres minerales obtenues,leur utilisation comme agent reducteur de la quantite de colloides dans la fabrication de papier.
EP1950342B1 (en) 2007-01-29 2016-05-04 Cognis IP Management GmbH Emulsions
PT1974807E (pt) * 2007-03-21 2010-05-10 Omya Development Ag Processo para a remoção de compostos desreguladores endócrinos
ATE539194T1 (de) 2007-03-21 2012-01-15 Omya Development Ag Harzbekämpfungsverfahren
FI20075638A0 (fi) 2007-09-13 2007-09-13 Linde Ag Tarttuvan pihkan poistaminen massasuspensiosta, rejektin kalsiumyhdisteiden vähentäminen ja hiilidioksidin käyttö paperinvalmistuksessa
RU2377189C2 (ru) * 2007-12-24 2009-12-27 Владимир Александрович Фомишин Кондиционирующая добавка для минерализации и очистки воды
CN101310853B (zh) * 2008-02-15 2012-09-12 郜洪文 钙基吸附材料及其制备方法
JP5532740B2 (ja) 2009-08-19 2014-06-25 富士ゼロックス株式会社 文書処理装置、及び文書処理プログラム
US8048268B2 (en) 2009-10-27 2011-11-01 Enzymatic Deinking Technologies, Llc Method of controlling organic contaminants in pulp and paper making processes
EP2410023B1 (en) 2010-07-20 2012-10-17 Omya Development AG Process for the preparation of surface-treated calcium carbonate material and use of same in the control of organic material in an aqueous medium
ES2551603T3 (es) * 2011-06-21 2015-11-20 Omya International Ag Proceso para la producción de carbonato de calcio precipitado
PL2546410T3 (pl) * 2011-07-11 2014-05-30 Omya Int Ag Hydrofobizowane cząstki węglanu wapnia
ES2587504T3 (es) * 2012-09-26 2016-10-25 Omya International Ag Suspensiones acuosas de material mineral reológicamente estables que comprenden polímeros orgánicos que tienen contenido reducido de compuestos orgánicos volátiles (COV)

Also Published As

Publication number Publication date
CN106232527A (zh) 2016-12-14
HRP20190392T1 (hr) 2019-05-17
AU2015248940B2 (en) 2017-04-20
AU2015248940A1 (en) 2016-10-13
BR112016023731B1 (pt) 2022-02-08
JP6726623B2 (ja) 2020-07-22
US20170174533A1 (en) 2017-06-22
EP2933375A1 (en) 2015-10-21
CN106232527B (zh) 2020-03-06
ES2716604T3 (es) 2019-06-13
EP2933375B1 (en) 2018-12-19
SI2933375T1 (sl) 2019-07-31
US10046984B2 (en) 2018-08-14
JP2017517385A (ja) 2017-06-29
MX2016013534A (es) 2017-02-14
CA2944098C (en) 2019-08-27
WO2015158657A1 (en) 2015-10-22
RU2648112C1 (ru) 2018-03-22
SG11201608096XA (en) 2016-10-28
KR20160142339A (ko) 2016-12-12
KR101998936B1 (ko) 2019-07-10
CA2944098A1 (en) 2015-10-22
EP3132090A1 (en) 2017-02-22
JP2019048296A (ja) 2019-03-28

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B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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