DE69510819D1 - Verfahren zur behandlung von metall enthaltendes wasser und gewinnung von metallen daraus - Google Patents

Verfahren zur behandlung von metall enthaltendes wasser und gewinnung von metallen daraus

Info

Publication number
DE69510819D1
DE69510819D1 DE69510819T DE69510819T DE69510819D1 DE 69510819 D1 DE69510819 D1 DE 69510819D1 DE 69510819 T DE69510819 T DE 69510819T DE 69510819 T DE69510819 T DE 69510819T DE 69510819 D1 DE69510819 D1 DE 69510819D1
Authority
DE
Germany
Prior art keywords
water
wastewater
aluminum
recovered
metal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69510819T
Other languages
English (en)
Other versions
DE69510819T2 (de
Inventor
Manoranjan Misra
Mark Kravetz
Kang Yang
Thomas Mcneel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Buckman Laboratories International Inc
Original Assignee
COMMUNITY COLLEGE SYS NEV, University of
Buckman Laboratories International Inc
University and Community College System of Nevada UCCSN
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 COMMUNITY COLLEGE SYS NEV, University of, Buckman Laboratories International Inc, University and Community College System of Nevada UCCSN filed Critical COMMUNITY COLLEGE SYS NEV, University of
Application granted granted Critical
Publication of DE69510819D1 publication Critical patent/DE69510819D1/de
Publication of DE69510819T2 publication Critical patent/DE69510819T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/009—Compounds containing, besides iron, two or more other elements, with the exception of oxygen or hydrogen
    • 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • 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
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/30—Three-dimensional structures
    • C01P2002/32—Three-dimensional structures spinel-type (AB2O4)
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/77—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by unit-cell parameters, atom positions or structure diagrams
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/85—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by XPS, EDX or EDAX data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/911—Cumulative poison
    • Y10S210/912—Heavy metal
DE69510819T 1994-01-13 1995-01-12 Verfahren zur behandlung von metall enthaltendes wasser und gewinnung von metallen daraus Expired - Fee Related DE69510819T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/181,119 US5505857A (en) 1994-01-13 1994-01-13 Process for the treatment of metal-containing water and recovery of metals therefrom
PCT/US1995/000485 WO1995019320A1 (en) 1994-01-13 1995-01-12 Process for the treatment of metal-containing water and recovery of metals therefrom

Publications (2)

Publication Number Publication Date
DE69510819D1 true DE69510819D1 (de) 1999-08-19
DE69510819T2 DE69510819T2 (de) 1999-11-11

Family

ID=22662982

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69510819T Expired - Fee Related DE69510819T2 (de) 1994-01-13 1995-01-12 Verfahren zur behandlung von metall enthaltendes wasser und gewinnung von metallen daraus

Country Status (10)

Country Link
US (1) US5505857A (de)
EP (1) EP0797543B1 (de)
JP (1) JPH09512780A (de)
AT (1) ATE182129T1 (de)
AU (2) AU1679595A (de)
BR (1) BR9506517A (de)
CA (1) CA2181166C (de)
DE (1) DE69510819T2 (de)
ES (1) ES2136834T3 (de)
WO (1) WO1995019320A1 (de)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6274045B1 (en) * 1995-05-19 2001-08-14 Lawrence Kreisler Method for recovering and separating metals from waste streams
US6254782B1 (en) * 1995-05-19 2001-07-03 Lawrence Kreisler Method for recovering and separating metals from waste streams
US6270679B1 (en) * 1995-05-19 2001-08-07 Lawrence Kreisler Method for recovering and separating metals from waste streams
US6797195B1 (en) 1995-05-19 2004-09-28 Lawrence Kreisler Method for recovering and separating metals from waste streams
US6288300B1 (en) 1996-09-12 2001-09-11 Consolidated Edison Company Of New York, Inc. Thermal treatment and immobilization processes for organic materials
US6084146A (en) * 1996-09-12 2000-07-04 Consolidated Edison Company Of New York, Inc. Immobilization of radioactive and hazardous contaminants and protection of surfaces against corrosion with ferric oxides
US6923914B2 (en) * 1996-12-17 2005-08-02 Global Biosciences, Inc. Remediation of metal contaminants with hydrocarbon-utilizing bacteria
US6238571B1 (en) * 1998-09-15 2001-05-29 Massachusetts Institute Of Technology Removal of contaminant metals from waste water
US6368510B2 (en) 1998-09-25 2002-04-09 Friot Corporation Method and apparatus for the removal of arsenic from water
ITMI20011111A1 (it) * 2001-05-25 2002-11-25 Enitecnologie Spa Procedimento per rimuovere selettivamente il mobildeno da miscele liquide che lo contengono assieme al vanadio
US7255793B2 (en) * 2001-05-30 2007-08-14 Cort Steven L Methods for removing heavy metals from water using chemical precipitation and field separation methods
US6896815B2 (en) * 2001-05-30 2005-05-24 Steven L. Cort Methods for removing heavy metals from water using chemical precipitation and field separation methods
US6802980B1 (en) 2001-06-20 2004-10-12 Sandia Corporation Arsenic removal in conjunction with lime softening
US7074336B1 (en) 2001-06-20 2006-07-11 Sandia Corporation Inorganic ion sorbents and methods for using the same
US6821434B1 (en) * 2001-10-10 2004-11-23 Sandia Corporation System for removal of arsenic from water
US6932909B2 (en) * 2002-01-15 2005-08-23 Kroff Chemical Company, Inc. Method of treating mine drainage
US7571814B2 (en) * 2002-02-22 2009-08-11 Wave Separation Technologies Llc Method for separating metal values by exposing to microwave/millimeter wave energy
DE10221756B4 (de) * 2002-05-16 2007-04-26 Vattenfall Europe Mining Ag Verfahren zur Reinigung/Behandlung von sauren, eisen- und sulfathaltigen Wässern
US8512571B2 (en) * 2002-06-03 2013-08-20 Jonathan M. Dietz Treatment of iron contaminated liquids with an activated iron solids (AIS) process
US20030222028A1 (en) * 2002-06-03 2003-12-04 Dietz Jonathan M. Process and system for treating iron contamintated liquids
US20060032821A1 (en) * 2002-06-03 2006-02-16 Dietz Jonathan M Treatment of iron contaminated liquids with an activated iron solids (AIS) process
US7033507B2 (en) * 2002-11-15 2006-04-25 Noram Engineering And Constructors Ltd. Method for removing metals from acid mine drainage
TW593164B (en) * 2003-07-30 2004-06-21 Min-Shing Tsai Integrated technology in sequential treatment of organics and heavy metal ions wastewater
JP4518893B2 (ja) * 2003-09-29 2010-08-04 アタカ大機株式会社 重金属含有排水処理方法およびその装置
US7166228B2 (en) * 2003-10-15 2007-01-23 U.S. Environmental Protection Agency Method of treating a subsurface formation with ferrous iron to reduce contaminants to harmless species
TWI309579B (en) * 2003-11-06 2009-05-11 Sanyo Electric Co Method for preparing coagulant, and method for coagulation treatment of fluid
JP2005161674A (ja) * 2003-12-02 2005-06-23 Canon Inc 画像形成装置、画像形成システム、課金処理方法及びプログラム
KR100853970B1 (ko) * 2004-04-26 2008-08-25 미쓰비시 마테리알 가부시키가이샤 환원성 정수재, 환원성 정수재의 제조방법, 폐수 처리방법,및 폐수 처리장치
US20060058174A1 (en) * 2004-09-10 2006-03-16 Chevron U.S.A. Inc. Highly active slurry catalyst composition
US20060107879A1 (en) * 2004-11-24 2006-05-25 Duan-Cheng Hsieh Foldable furniture device
US7485267B2 (en) * 2005-07-29 2009-02-03 Chevron U.S.A. Inc. Process for metals recovery from spent catalyst
US20070045189A1 (en) * 2005-08-31 2007-03-01 General Electric Company Acid mine water demineralization methods
US7279103B2 (en) * 2005-09-13 2007-10-09 United States Of America Enviromental Protection Agency Process for the purification of acidic metal-bearing waste waters to permissible discharge levels with recovery of marketable metal products
US8110526B2 (en) * 2006-04-14 2012-02-07 The Board Of Regents Of The Nevada System Of Higher Education, On Behalf Of The University Of Nevada, Reno Arsenic absorbing composition and methods of use
US20080121585A1 (en) * 2006-11-27 2008-05-29 Mavis James D Water treatment using de-supersaturation
DE102006060485A1 (de) * 2006-12-19 2008-06-26 Brandenburgische Technische Universität Cottbus Verfahren zur Entarsenierung von belastetem Wasser, insbesondere von mit reduziertem As(III) belasteten Grundwasser
US7674369B2 (en) 2006-12-29 2010-03-09 Chevron U.S.A. Inc. Process for recovering ultrafine solids from a hydrocarbon liquid
WO2008141423A1 (en) 2007-05-21 2008-11-27 Exploration Orbite Vspa Inc. Processes for extracting aluminum and iron from aluminous ores
CA2703137C (en) * 2007-10-31 2016-05-24 Chevron U.S.A. Inc. Hydroprocessing bulk catalyst and uses thereof
US7658895B2 (en) * 2007-11-28 2010-02-09 Chevron U.S.A. Inc Process for recovering base metals from spent hydroprocessing catalyst
US7846404B2 (en) * 2007-11-28 2010-12-07 Chevron U.S.A. Inc. Process for separating and recovering base metals from used hydroprocessing catalyst
US7837960B2 (en) * 2007-11-28 2010-11-23 Chevron U.S.A. Inc. Process for separating and recovering base metals from used hydroprocessing catalyst
US8221710B2 (en) * 2007-11-28 2012-07-17 Sherritt International Corporation Recovering metals from complex metal sulfides
JP5359392B2 (ja) * 2009-03-09 2013-12-04 住友金属鉱山株式会社 排水からのマンガンの除去方法
WO2010111548A2 (en) * 2009-03-25 2010-09-30 Chevron U.S.A. Inc. Process for recovering metals from coal liquefaction residue containing spent catalysts
US8389433B2 (en) * 2009-11-24 2013-03-05 Chevron U.S.A. Hydroprocessing bulk catalyst and methods of making thereof
US8372776B2 (en) * 2009-11-24 2013-02-12 Chevron U.S.A. Inc. Hydroprocessing bulk catalyst and methods of making thereof
GEP20166440B (en) 2009-12-04 2016-03-10 Barrick Gold Corp Separation of copper minerals from pyrite using air-metabisulfite treatment
JP5749461B2 (ja) * 2010-03-10 2015-07-15 住友金属鉱山株式会社 アルミニウム、マグネシウムおよびマンガンを含む排水の排水処理方法
US8815184B2 (en) 2010-08-16 2014-08-26 Chevron U.S.A. Inc. Process for separating and recovering metals
KR101228082B1 (ko) * 2010-09-30 2013-01-31 한국광해관리공단 중금속 오염수 정화방법
KR101253894B1 (ko) * 2010-12-27 2013-04-16 주식회사 포스코 스나우트내 오염원 제거장치
US8834725B2 (en) * 2011-01-31 2014-09-16 Chevron U.S.A. Inc. Method for treating acid mine drainage
US9260767B2 (en) 2011-03-18 2016-02-16 Orbite Technologies Inc. Processes for recovering rare earth elements from aluminum-bearing materials
RU2013153535A (ru) 2011-05-04 2015-06-10 Орбит Элюминэ Инк. Способы извлечения редкоземельных элементов из различных руд
CN103842296B (zh) 2011-06-03 2016-08-24 奥贝特科技有限公司 用于制备赤铁矿的方法
RU2014114938A (ru) 2011-09-16 2015-10-27 Орбит Элюминэ Инк. Способы получения оксида алюминия и разнообразных других продуктов
US8845906B2 (en) * 2011-12-23 2014-09-30 Don E. Henley And Associates, Llc Process for single system electrocoagulation, magnetic, cavitation and flocculation (EMC/F) treatment of water and wastewater
WO2013104059A1 (en) 2012-01-10 2013-07-18 Orbite Aluminae Inc. Processes for treating red mud
WO2013104045A1 (en) 2012-01-12 2013-07-18 Nichromet Extraction Inc. Method for selective precipitation of iron, arsenic and antimony
CA2903512C (en) 2012-03-29 2017-12-05 Orbite Technologies Inc. Processes for treating fly ashes
US9290828B2 (en) 2012-07-12 2016-03-22 Orbite Technologies Inc. Processes for preparing titanium oxide and various other products
US9427706B1 (en) 2012-07-23 2016-08-30 Peter F. Santina Removal of selenium from coal mining runoff water
US10059613B1 (en) 2012-07-23 2018-08-28 Peter F. Santina Removal of contaminants from water
WO2014047728A1 (en) 2012-09-26 2014-04-03 Orbite Aluminae Inc. Processes for preparing alumina and magnesium chloride by hc1 leaching of various materials
WO2014075173A1 (en) 2012-11-14 2014-05-22 Orbite Aluminae Inc. Methods for purifying aluminium ions
US9321037B2 (en) 2012-12-14 2016-04-26 Chevron U.S.A., Inc. Hydroprocessing co-catalyst compositions and methods of introduction thereof into hydroprocessing units
US9687823B2 (en) 2012-12-14 2017-06-27 Chevron U.S.A. Inc. Hydroprocessing co-catalyst compositions and methods of introduction thereof into hydroprocessing units
US9334180B2 (en) 2012-12-14 2016-05-10 Montgomery Chemicals Llc Process for treating acid mine drainage
JP5644900B1 (ja) * 2013-06-14 2014-12-24 住友金属鉱山株式会社 排水処理方法
US9802846B2 (en) * 2013-06-21 2017-10-31 Baker Hughes, A Ge Company, Llc Treating and recylcing oilfield waste water
JP6316100B2 (ja) * 2014-05-30 2018-04-25 勇 原澤 鉱山廃水または浸透水の処理方法
JP6517570B2 (ja) * 2015-04-08 2019-05-22 古河機械金属株式会社 重金属個別分離回収装置及び重金属個別分離回収方法
WO2017040698A1 (en) * 2015-08-31 2017-03-09 Ecolab Usa Inc. Wastewater treatment process for removing chemical oxygen demand
US10150686B2 (en) * 2015-10-30 2018-12-11 Process Research Management Inc. Removal of arsenic from contaminated aqueous solutions
US20180029907A1 (en) * 2015-12-22 2018-02-01 Sumitomo Electric Industries, Ltd. Water treatment method and water treatment system
JP6862660B2 (ja) * 2016-03-01 2021-04-21 東ソー株式会社 ニッケル含有水溶液用浄化剤及びニッケル含有水溶液の浄化方法
JP6862659B2 (ja) * 2016-03-01 2021-04-21 東ソー株式会社 ニッケル含有水溶液の浄化方法
US10968126B2 (en) 2017-07-07 2021-04-06 Katz Water Tech, Llc Pretreatment of produced water to facilitate improved metal extraction
US11370683B2 (en) 2018-01-18 2022-06-28 Montgomery Chemicals Llc Process for producing zero-valent iron nanoparticles and treating acid mine drainage
US10927021B2 (en) 2018-01-18 2021-02-23 Montgomery Chemicals Llc Process for producing zero-valent iron nanoparticles and treating acid mine drainage
US10927022B2 (en) 2018-01-18 2021-02-23 Montgomery Chemicals Llc Process for treating mine drainage
US11339075B2 (en) 2018-04-19 2022-05-24 Graver Technologies Llc Titania-based treatment solution and method of promoting precipitation and removal of heavy metals from an aqueous source
CN110510768B (zh) * 2018-05-21 2021-08-31 广州超邦化工有限公司 化学镀镍废水的组合处理方法
CN111453880A (zh) * 2020-04-09 2020-07-28 安徽浩悦环境科技有限责任公司 一种联合沉淀法去除多种类重金属废液的方法
CN111825191A (zh) * 2020-05-22 2020-10-27 西北矿冶研究院 一种酸性污水重金属捕捉剂

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1142215A (en) * 1966-02-21 1969-02-05 Nippon Electric Co Improvements in or relating to ferrite particles and process for manufacturing same
US3931007A (en) * 1972-12-19 1976-01-06 Nippon Electric Company Limited Method of extracting heavy metals from industrial waste waters
JPS594176B2 (ja) * 1975-05-30 1984-01-28 日本電気株式会社 カンシキダツシヨウホウ
JPS52152657A (en) * 1976-06-15 1977-12-19 Miyoshi Yushi Kk Heavy metal collecting method
JPS6019092A (ja) * 1983-07-13 1985-01-31 Nec Corp 廃液の処理方法
US4678584A (en) * 1985-06-20 1987-07-07 Cx/Oxytech, Inc. Method of removing heavy metal from wastewater streams
DE3634359A1 (de) * 1986-10-09 1988-04-21 Ruhr Zink Gmbh Verfahren zur aufarbeitung von rueckstaenden aus der hydrometallurgischen zink-gewinnung
US4971775A (en) * 1987-06-30 1990-11-20 Dowell Schlumberger Process for removal of nickel from effluent containing EDTA
JPH0742118B2 (ja) * 1987-12-10 1995-05-10 日本鋼管株式会社 第一鉄イオン含有酸溶液の精製方法
US4943377A (en) * 1988-05-06 1990-07-24 Environmental Technology (U.S.), Inc. Method for removing dissolved heavy metals from waste oils, industrial wastewaters, or any polar solvent
US5320759A (en) * 1992-06-11 1994-06-14 Hazen Research, Inc. Selective recovery of heavy metals using xanthates

Also Published As

Publication number Publication date
EP0797543B1 (de) 1999-07-14
ES2136834T3 (es) 1999-12-01
AU720258B2 (en) 2000-05-25
AU1210199A (en) 1999-03-25
ATE182129T1 (de) 1999-07-15
DE69510819T2 (de) 1999-11-11
EP0797543A1 (de) 1997-10-01
JPH09512780A (ja) 1997-12-22
US5505857A (en) 1996-04-09
CA2181166A1 (en) 1995-07-20
BR9506517A (pt) 1997-09-09
AU1679595A (en) 1995-08-01
WO1995019320A1 (en) 1995-07-20
CA2181166C (en) 2001-03-27

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8327 Change in the person/name/address of the patent owner

Owner name: BUCKMAN LABORATORIES INTERNATIONAL, INC., MEMPHIS,

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8339 Ceased/non-payment of the annual fee