CS219190A2 - Method of recovered foundry sand treatment - Google Patents

Method of recovered foundry sand treatment Download PDF

Info

Publication number
CS219190A2
CS219190A2 CS902191A CS219190A CS219190A2 CS 219190 A2 CS219190 A2 CS 219190A2 CS 902191 A CS902191 A CS 902191A CS 219190 A CS219190 A CS 219190A CS 219190 A2 CS219190 A2 CS 219190A2
Authority
CS
Czechoslovakia
Prior art keywords
sand
neutralization
process according
acid
solution
Prior art date
Application number
CS902191A
Other languages
Czech (cs)
English (en)
Inventor
Hermann W Dr Sommer
Original Assignee
Saz Sommer Aluminium Zug 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 Saz Sommer Aluminium Zug Ag filed Critical Saz Sommer Aluminium Zug Ag
Publication of CS219190A2 publication Critical patent/CS219190A2/cs

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/18—Plants for preparing mould materials
    • B22C5/185—Plants for preparing mould materials comprising a wet reclamation step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CS902191A 1990-02-14 1990-05-03 Method of recovered foundry sand treatment CS219190A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4004553A DE4004553C1 (no) 1990-02-14 1990-02-14

Publications (1)

Publication Number Publication Date
CS219190A2 true CS219190A2 (en) 1991-09-15

Family

ID=6400137

Family Applications (1)

Application Number Title Priority Date Filing Date
CS902191A CS219190A2 (en) 1990-02-14 1990-05-03 Method of recovered foundry sand treatment

Country Status (15)

Country Link
EP (1) EP0446402A1 (no)
JP (1) JPH03238141A (no)
KR (1) KR910015345A (no)
CN (1) CN1054021A (no)
BR (1) BR9003152A (no)
CA (1) CA2022769A1 (no)
CS (1) CS219190A2 (no)
DD (1) DD297087A5 (no)
DE (1) DE4004553C1 (no)
DK (1) DK149890A (no)
FI (1) FI902822A (no)
HU (1) HUT58008A (no)
NO (1) NO902410L (no)
PL (1) PL285083A1 (no)
PT (1) PT94164A (no)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129863A1 (de) * 1991-09-07 1993-03-11 Hanf Carl Elino Ind Ofenbau Verfahren und vorrichtung zur aufbereitung von bentonitgebundenem giesserei-altsand
DE19927107A1 (de) * 1999-06-14 2000-12-21 Fischer Georg Gmbh & Co Kg Verfahren und Vorrichtung zur Verminderung der Geruchsemissionen von Giessereianlagen
EP1222978A3 (en) * 2001-01-15 2007-10-17 Sintokogio, Ltd. A method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite
DE102007027298A1 (de) * 2007-06-11 2008-12-18 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Verfahren zur Aufbereitung von Formsand
CN102059319B (zh) * 2011-01-19 2012-12-19 昆明理工大学 一种树脂旧砂的联合再生方法
CN102500458B (zh) * 2011-11-28 2014-07-09 河海大学 一种洗沙方法及其专用装置
CN102615243B (zh) * 2012-03-27 2013-09-18 华中科技大学 一种铸造旧砂湿法间歇式再生方法及其设备
JP2016147287A (ja) * 2015-02-12 2016-08-18 マツダ株式会社 鋳物砂の再生方法および研磨装置
EP3586995B2 (de) * 2018-06-29 2024-04-24 Nemak, S.A.B. de C.V. Verfahren zur aufbereitung einer giessereisandmischung
JP7142563B2 (ja) * 2018-12-26 2022-09-27 伊藤忠セラテック株式会社 回収砂の再生方法
EP3797896A1 (en) * 2019-09-27 2021-03-31 Finn Recycling OY Cleaning sand used at foundry

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US414388A (en) * 1889-11-05 emmens
DE2233111C3 (de) * 1972-07-06 1974-11-28 Hermann 2105 Seevetal Jacob Verfahren und Vorrichtung zum Regenerieren von kunstharzgebundenem Gießereialtsand
US4113510A (en) * 1974-06-07 1978-09-12 Societe D'applications De Procedes Industriels Et Chimiques S.A.P.I.C. Process for regenerating foundry sand
CA1050209A (en) * 1974-12-16 1979-03-13 Julius M. Bleuenstein Sand reclamation and purification
JPS5292823A (en) * 1976-02-02 1977-08-04 Hitachi Ltd Old sand cleaning reproduction process
DE2656672C2 (de) * 1976-12-15 1978-09-21 Daimler-Benz Ag, 7000 Stuttgart Verfahren beim Regenerieren von Kernsand
CH631643A5 (de) * 1978-04-14 1982-08-31 Fischer Ag Georg Verfahren zur regenerierung von giesserei-altsand sowie einrichtung zur durchfuehrung des verfahrens und erzeugnis des verfahrens.
US4401638A (en) * 1981-12-21 1983-08-30 Materias Primas, Monterrey, S.A. Process for purifying silica sand
GB8317669D0 (en) * 1983-06-29 1983-08-03 British Ind Sand Ltd Chemical treatment of sand
EP0152230A1 (en) * 1984-02-03 1985-08-21 Steel Castings Research And Trade Association Reclamation of foundry sands

Also Published As

Publication number Publication date
FI902822A (fi) 1991-08-15
BR9003152A (pt) 1991-11-12
PT94164A (pt) 1991-09-30
HUT58008A (en) 1992-01-28
EP0446402A1 (de) 1991-09-18
DE4004553C1 (no) 1991-10-10
DK149890A (da) 1991-08-15
CA2022769A1 (en) 1991-08-15
JPH03238141A (ja) 1991-10-23
DK149890D0 (da) 1990-06-19
KR910015345A (ko) 1991-09-30
PL285083A1 (en) 1991-10-07
FI902822A0 (fi) 1990-06-06
DD297087A5 (de) 1992-01-02
NO902410L (no) 1991-08-15
NO902410D0 (no) 1990-05-31
CN1054021A (zh) 1991-08-28
HU903815D0 (en) 1990-11-28

Similar Documents

Publication Publication Date Title
CS219190A2 (en) Method of recovered foundry sand treatment
US5190993A (en) Process to enhance the tensile strength of reclaimed sand bonded with ester cured alkaline phenolic resin using an aminosilane solution
CZ278777B6 (en) Process for removing particles of bentonite and particles containing carbonaceous compounds from dust, obtained when recovering return sand by mechanical way
CA1340508C (en) Process to enhance the tensile strength of reclaimed sand bonded with ester cured alkaline phenolic resin
US5238976A (en) Process to enhance the tensile strength of reclaimed sand bonded with ester cured alkaline phenolic resin
US5395561A (en) Method of producing solid moldings from a by-product of wet limestone-gypsum desulfurization of flue gas
US5082876A (en) Compositions for foundry molding processes utilizing reclaimed sand
US4685973A (en) Reclamation of foundry sands
JP2651537B2 (ja) 生コンスラッジの再使用方法
EP0514577B1 (en) Process for the deironing of ceramic materials
US3374062A (en) Process for refining sands
US5234973A (en) Compositions for foundry molding processes utilizing reclaimed sand
JPS6168320A (ja) Ａ‐ゼオライトの中和方法
JP2001334347A (ja) 回収砂の処理方法およびその補給砂
SU827240A1 (ru) Способ повышени св зующей способностиВОдОРАСТВОРиМыХ лигНОСульфОНАТОВ
RU2114784C1 (ru) Способ получения хлористого калия
WO1995024963A1 (en) Method of treatment of water polluted predominantly by an oily component using bentonite
US4656150A (en) Treatment of sericitic clays to produce an adsorbent, absorbent product
SU829601A1 (ru) Способ получени активированнойглиНы дл фОРМОВОчНыХ СМЕСЕйлиТЕйНОгО пРОизВОдСТВА
SU575805A1 (ru) Способ гранул ции фосфатного сырь
SU1303249A1 (ru) Способ подготовки формовочной смеси дл изготовлени оправок
KR0144348B1 (ko) 락툴로오즈의 제조방법
SU1692717A1 (ru) Способ приготовлени смеси дл изготовлени литейных стержней и форм
PL118351B1 (en) Process for cadmium recovery from cadmium sulfide containing materialsul'fid kadmija
PL144466B1 (en) Method of obtaining filter aids from diatomite