ES466113A1 - Procedimiento para la obtencion de filamentos de sulfato de calcio. - Google Patents

Procedimiento para la obtencion de filamentos de sulfato de calcio.

Info

Publication number
ES466113A1
ES466113A1 ES466113A ES466113A ES466113A1 ES 466113 A1 ES466113 A1 ES 466113A1 ES 466113 A ES466113 A ES 466113A ES 466113 A ES466113 A ES 466113A ES 466113 A1 ES466113 A1 ES 466113A1
Authority
ES
Spain
Prior art keywords
filaments
germs
calcium
temperature
sulphat
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
Application number
ES466113A
Other languages
English (en)
Spanish (es)
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.)
Bayer AG
Original Assignee
Bayer 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
Priority claimed from DE19772702101 external-priority patent/DE2702101A1/de
Priority claimed from DE19772702098 external-priority patent/DE2702098A1/de
Application filed by Bayer AG filed Critical Bayer AG
Publication of ES466113A1 publication Critical patent/ES466113A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
    • C30B29/62—Whiskers or needles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Glass Compositions (AREA)
ES466113A 1977-01-19 1978-01-18 Procedimiento para la obtencion de filamentos de sulfato de calcio. Expired ES466113A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772702101 DE2702101A1 (de) 1977-01-19 1977-01-19 Calciumsulfatwhisker
DE19772702098 DE2702098A1 (de) 1977-01-19 1977-01-19 Verfahren zur herstellung und die verwendung von whiskern aus calciumsulfat

Publications (1)

Publication Number Publication Date
ES466113A1 true ES466113A1 (es) 1978-10-01

Family

ID=25771486

Family Applications (1)

Application Number Title Priority Date Filing Date
ES466113A Expired ES466113A1 (es) 1977-01-19 1978-01-18 Procedimiento para la obtencion de filamentos de sulfato de calcio.

Country Status (6)

Country Link
ES (1) ES466113A1 (fi)
FI (1) FI780146A (fi)
FR (1) FR2377970A1 (fi)
GB (1) GB1573883A (fi)
NL (1) NL7800544A (fi)
SE (1) SE7800589L (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102383179B (zh) * 2011-10-09 2015-09-09 昆明理工大学 一种工业废酸与磷石膏综合利用的方法
CN102776569A (zh) * 2012-07-09 2012-11-14 泰山医学院 一种利用天然石膏制备硫酸钙晶须的方法
CN103014869B (zh) * 2012-12-28 2015-07-22 清华大学 一种超细高长径比无水硫酸钙晶须的可控制备方法
CN104328480B (zh) * 2013-09-11 2015-08-05 江西峰竺新材料科技有限公司 一种硫酸钙晶须制备方法
CN110934323A (zh) * 2020-01-07 2020-03-31 湖北中烟工业有限责任公司 一种利用石膏晶须复合制备烟草薄片的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1038025A (en) * 1963-08-16 1966-08-03 Bpb Industries Ltd Lightweight material and production thereof

Also Published As

Publication number Publication date
FR2377970A1 (fr) 1978-08-18
FI780146A (fi) 1978-07-20
NL7800544A (nl) 1978-07-21
SE7800589L (sv) 1978-07-20
GB1573883A (en) 1980-08-28

Similar Documents

Publication Publication Date Title
FR2447975B1 (fr) Procede de production d'alliages ternaires adsorbants non vaporisables
FR2323635A1 (fr) Procede de preparation de solutions concentrees d'hydrate d'hydrazine
ES466113A1 (es) Procedimiento para la obtencion de filamentos de sulfato de calcio.
CH423747A (fr) Procédé de cristallisation continue de l'acide adipique de ses solutions
JPS51141793A (en) Method of forming calcium sulfate whisker
JPS5416398A (en) Production of low soda alumina
ES278977A1 (es) Un metodo para determinar de manera continua el contenido de sulfato sëdico en una corriente de liquido de bano de hilatura
BE850644A (fr) Procede de preparation de sulfate d'etain (ii) et produit ainsi obtenu
FR2322096A1 (fr) Procede pour eliminer l'ammoniac combine de condensats aqueux et eaux residuaires de la pyrogenation a basse temperature et de la cokefaction
Barclay et al. New sources of alumina
BE865774A (fr) Procede de preparation de l'acide 1-amino-8-naphtol-3,6-disulfonique (acide "h")
ES445058A1 (es) Procedimiento para la fabricacion de fertilizantes a partir de licores residuales en un tratamiento acido de obtencion de aluminas.
ES455395A1 (es) Metodo de producir sulfito sdico anhidro.
Grigorieva et al. The Effect of Sulfur on the Crystallization and Technical Properties of the Selfdecrepitating Slags(C 2 S) in the Ternary System CaO-Al 2 O 3- SiO 2
GR63215B (en) Process for the crystallisation of aluminium sulphate solutions at granules free of dust with uniform granule size
KR830007504A (ko) 3,3'-디클로로-4,4'-디아미노-비페닐-디하이드로클로라이드의 제조방법
JPS54138896A (en) Production of alpha-iron oxyhydroxide
PL121912B2 (en) Process for manufacturing 4-amino-5-chloro-1-phenylpyridaz-6-one
JPS51138644A (en) Process for preparation of pure styrene sulfonic acid metal salt
ES479148A1 (es) Procedimiento para obtener alumina a partir de soluciones que contienen sulfato de aluminio.
JPS5223588A (en) Process for producing titanium dioxide carrier
GB547155A (en) Improvements in purification of gases
Ki et al. Study of Desulfurization of Synthetic Potassium Alunite
Ienciu et al. Experimental Research on Silicon Dioxide Solubility in Sodium Aluminate Solutions
BR7703124A (pt) Processo para a fabricacao de couro em tripa tratados no caleiro com sulfeto em banhos de tratamento acidos e composicao de descalificacao,purga ou pre-curticao