DE60309752D1 - Einfaches und rationelles verfahren zur herstellung von bleistiftminen aus verbrauchten wannenauskleidungen - Google Patents

Einfaches und rationelles verfahren zur herstellung von bleistiftminen aus verbrauchten wannenauskleidungen

Info

Publication number
DE60309752D1
DE60309752D1 DE60309752T DE60309752T DE60309752D1 DE 60309752 D1 DE60309752 D1 DE 60309752D1 DE 60309752 T DE60309752 T DE 60309752T DE 60309752 T DE60309752 T DE 60309752T DE 60309752 D1 DE60309752 D1 DE 60309752D1
Authority
DE
Germany
Prior art keywords
mins
easy
rational method
used panel
claddings
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 - Lifetime
Application number
DE60309752T
Other languages
English (en)
Other versions
DE60309752T2 (de
Inventor
Bimanranjan Mazumder
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.)
Council of Scientific and Industrial Research CSIR
Original Assignee
Council of Scientific and Industrial Research CSIR
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 Council of Scientific and Industrial Research CSIR filed Critical Council of Scientific and Industrial Research CSIR
Publication of DE60309752D1 publication Critical patent/DE60309752D1/de
Application granted granted Critical
Publication of DE60309752T2 publication Critical patent/DE60309752T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D13/00—Pencil-leads; Crayon compositions; Chalk compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Processing Of Solid Wastes (AREA)
DE60309752T 2003-09-10 2003-12-03 Einfaches und rationelles verfahren zur herstellung von bleistiftminen aus verbrauchten wannenauskleidungen Expired - Lifetime DE60309752T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/659,692 US7217378B2 (en) 2003-09-10 2003-09-10 Simple and efficient process for the preparation of pencil lead from spent pot-liners
US659692 2003-09-10
PCT/IB2003/005560 WO2005023944A1 (en) 2003-09-10 2003-12-03 A simple and efficient process for the preparation of pencil lead from spent pot-liners

Publications (2)

Publication Number Publication Date
DE60309752D1 true DE60309752D1 (de) 2006-12-28
DE60309752T2 DE60309752T2 (de) 2007-09-20

Family

ID=34227000

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60309752T Expired - Lifetime DE60309752T2 (de) 2003-09-10 2003-12-03 Einfaches und rationelles verfahren zur herstellung von bleistiftminen aus verbrauchten wannenauskleidungen

Country Status (9)

Country Link
US (1) US7217378B2 (de)
EP (1) EP1664217B1 (de)
JP (1) JP4528261B2 (de)
AU (1) AU2003304459A1 (de)
CA (1) CA2538034C (de)
DE (1) DE60309752T2 (de)
NO (1) NO329045B1 (de)
RU (1) RU2341545C2 (de)
WO (1) WO2005023944A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070231237A1 (en) * 2006-03-28 2007-10-04 Council Of Scientific And Industrial Research Process for the preparation of silicon carbide from spent pot liners generated from aluminum smelter plants
EP4186963A1 (de) * 2021-11-25 2023-05-31 Speira GmbH Lagerstabiles kathodenausbruchsmaterial, verfahren zu seiner herstellung sowie dessen verwendung als brennstoff
KR102638829B1 (ko) * 2023-10-04 2024-02-21 김덕종 슬러지를 이용한 연필심의 제조방법

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1137373A (en) * 1913-05-29 1915-04-27 Condensite Company Of America Expanded graphite and composition thereof.
DE2608866C3 (de) * 1976-03-04 1980-01-03 Sigri Elektrographit Gmbh, 8901 Meitingen Verfahren zum Herstellen von Graphithydrogensulfat
JPS5813490B2 (ja) * 1976-06-30 1983-03-14 荏原インフイルコ株式会社 活性炭の再生方法
JPS5783570A (en) 1980-11-11 1982-05-25 Pilot Precision Co Ltd Lead of color pencil and its preparation
JPS61252278A (ja) 1985-04-30 1986-11-10 Pentel Kk 鉛筆芯の製造方法
DE3835241C2 (de) * 1988-10-15 1994-08-11 Staedtler Fa J S Verfahren zur Herstellung von Bleistiftminen
JPH03139578A (ja) 1989-10-25 1991-06-13 Pentel Kk 鉛筆芯
US5496392A (en) * 1990-12-21 1996-03-05 Enviroscience Method of recycling industrial waste
JP2900622B2 (ja) 1991-01-28 1999-06-02 ぺんてる株式会社 鉛筆芯の製造方法
US5346930A (en) * 1991-06-13 1994-09-13 Lydall, Inc. Rigid fiberboard
US5164174A (en) * 1991-10-11 1992-11-17 Reynolds Metals Company Detoxification of aluminum spent potliner by thermal treatment, lime slurry quench and post-kiln treatment
US5273566A (en) * 1993-01-26 1993-12-28 International Environmelting Corporation Process for producing an environmentally acceptable abrasive product from hazardous wastes
JP3595123B2 (ja) * 1997-09-10 2004-12-02 三菱鉛筆株式会社 鉛筆芯の製造方法
DE19756401A1 (de) * 1997-12-18 1999-07-01 Faber Castell A W Farbzubereitung, insbesondere eine Feststoffmine oder Kreide
JP3938243B2 (ja) 1998-04-02 2007-06-27 三菱鉛筆株式会社 焼成色鉛筆芯の製造方法
JP4926338B2 (ja) * 2000-06-23 2012-05-09 株式会社サクラクレパス 非焼成色鉛筆芯
WO2001098417A1 (fr) * 2000-06-23 2001-12-27 Sakura Color Products Corporation Mine de crayon de couleur non cuite
JP4986336B2 (ja) * 2001-05-25 2012-07-25 三菱鉛筆株式会社 焼成色鉛筆芯及びその製造方法

Also Published As

Publication number Publication date
CA2538034C (en) 2011-01-25
RU2341545C2 (ru) 2008-12-20
JP2007517072A (ja) 2007-06-28
US20050053410A1 (en) 2005-03-10
NO329045B1 (no) 2010-08-02
CA2538034A1 (en) 2005-03-17
EP1664217A1 (de) 2006-06-07
AU2003304459A1 (en) 2005-03-29
DE60309752T2 (de) 2007-09-20
US7217378B2 (en) 2007-05-15
JP4528261B2 (ja) 2010-08-18
EP1664217B1 (de) 2006-11-15
RU2006111440A (ru) 2007-10-20
WO2005023944A1 (en) 2005-03-17
NO20061130L (no) 2006-06-08

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