GB1500245A - Nucleating device and method of preparing same - Google Patents

Nucleating device and method of preparing same

Info

Publication number
GB1500245A
GB1500245A GB3526476A GB3526476A GB1500245A GB 1500245 A GB1500245 A GB 1500245A GB 3526476 A GB3526476 A GB 3526476A GB 3526476 A GB3526476 A GB 3526476A GB 1500245 A GB1500245 A GB 1500245A
Authority
GB
United Kingdom
Prior art keywords
glass
melt
microcavities
hpo
crystallizing
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
GB3526476A
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.)
University of Delaware
Original Assignee
University of Delaware
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 University of Delaware filed Critical University of Delaware
Priority to GB3526476A priority Critical patent/GB1500245A/en
Publication of GB1500245A publication Critical patent/GB1500245A/en
Expired 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
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

1500245 Leaching glass UNIVERSITY OF DELAWARE and M TELKES 25 Aug 1976 35264/76 Heading C1M [Also in Division B1] A nucleating device for crystallizing from a melt comprises a material having a disordered lattice, e.g. soda-silica glass, having microcavities therein, and having crystals capable of acting as nuclei for the melt located in the cavities. The device may be made by leaching the material, e.g. in a boiling 10% Na 2 HPO 4 solution for ¢ hour to give microcavities of 5-1000 Š in the surface. The leached material may then be immersed in a melt of the desired material and then covered in a powder of the same material so that crystals are formed in the cavities. The device may be in the form of a float, e.g. 0À05 inch O.D. glass tube covered by glass fibre or glass cloth. The device may be used in a solar heat storage unit wherein the heat is released by crystallizing a molten liquid, e.g. CaCl 2 .6H 2 O, Na 2 O 3 .10H 2 O, Na 2 HPO 4 .12H 2 O, Ca- (NO 3 ) 2 .4H 2 O, Na 2 SO 4 .10H 2 O, or Na 2 S 2 O 3 .5H 2 O.
GB3526476A 1976-08-25 1976-08-25 Nucleating device and method of preparing same Expired GB1500245A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3526476A GB1500245A (en) 1976-08-25 1976-08-25 Nucleating device and method of preparing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3526476A GB1500245A (en) 1976-08-25 1976-08-25 Nucleating device and method of preparing same

Publications (1)

Publication Number Publication Date
GB1500245A true GB1500245A (en) 1978-02-08

Family

ID=10375762

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3526476A Expired GB1500245A (en) 1976-08-25 1976-08-25 Nucleating device and method of preparing same

Country Status (1)

Country Link
GB (1) GB1500245A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002256A1 (en) * 1977-12-01 1979-06-13 Peter Dr. Friderichs Latent heat accumulators, method for their manufacture, and their application
EP0029504A1 (en) * 1979-11-02 1981-06-03 The Dow Chemical Company Hydrated magnesium nitrate reversible phase change compositions and their preparation
EP0030599A1 (en) * 1979-11-02 1981-06-24 The Dow Chemical Company Hydrated magnesium nitrate/magnesium chloride reversible phase change compositions and their preparation
DE2952166A1 (en) * 1979-12-22 1981-07-23 Haase-Bau GmbH, 2350 Neumünster THERMAL ENERGY STORAGE SYSTEM FOR STORING PHASE CONVERSION THALPY
EP0034710A1 (en) * 1980-01-31 1981-09-02 Boardman Energy Systems, Incorporated Polyphase latent heat storage composition for the storage of heat or cold and its preparation
EP0196128A1 (en) * 1985-03-25 1986-10-01 Duphar International Research B.V Device for concentrating solutions
CN112973171A (en) * 2021-03-31 2021-06-18 西安建筑科技大学 Method for removing calcium and magnesium ions in sulfate solution by mineral wool induction

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002256A1 (en) * 1977-12-01 1979-06-13 Peter Dr. Friderichs Latent heat accumulators, method for their manufacture, and their application
EP0029504A1 (en) * 1979-11-02 1981-06-03 The Dow Chemical Company Hydrated magnesium nitrate reversible phase change compositions and their preparation
EP0030599A1 (en) * 1979-11-02 1981-06-24 The Dow Chemical Company Hydrated magnesium nitrate/magnesium chloride reversible phase change compositions and their preparation
DE2952166A1 (en) * 1979-12-22 1981-07-23 Haase-Bau GmbH, 2350 Neumünster THERMAL ENERGY STORAGE SYSTEM FOR STORING PHASE CONVERSION THALPY
EP0034710A1 (en) * 1980-01-31 1981-09-02 Boardman Energy Systems, Incorporated Polyphase latent heat storage composition for the storage of heat or cold and its preparation
EP0196128A1 (en) * 1985-03-25 1986-10-01 Duphar International Research B.V Device for concentrating solutions
CN112973171A (en) * 2021-03-31 2021-06-18 西安建筑科技大学 Method for removing calcium and magnesium ions in sulfate solution by mineral wool induction
CN112973171B (en) * 2021-03-31 2023-02-21 西安建筑科技大学 Method for removing calcium and magnesium ions in sulfate solution by mineral wool induction

Similar Documents

Publication Publication Date Title
ES8400221A1 (en) Phase-change heat storage building panels
GB1500245A (en) Nucleating device and method of preparing same
GB1295626A (en)
US4252661A (en) Heat storage medium of moistened Na2 HPO4.12H2 0 and method of a preparation thereof
FR2396061A1 (en) Heat-storage material pref. based on hydrated salts - contg. nucleating agent, is suspended in colloidal suspension of thixotropic material
Wanklyn et al. The flux growth of large thoria and ceria crystals
GB2008554A (en) Stabilisation of supercooled fluids
Filipovich et al. Temperature dependence of nucleation rate of crystal needles in sodium silicate glass
Rodionov et al. Plutonium behavior during simulation of certain processes of interaction between wastes and geologic rocks.
Goncharov The Behaviour of Boron in Germanium Single Crystals Grown by the Czochralski Method
JPS58225181A (en) Heat storage material
CA1077459A (en) Nucleating device and method of preparing same
Goncharov The Behaviour of Beryllium in the Crystallization of Germanium by the Czochralski Method
EP0019603A3 (en) Heat exchanger wall element and method to manufacture the same
JPS55140792A (en) Manufacture of 3-5 group compound semiconductor single crystal
UST995006I4 (en) Method of removal of boron from aqueous solutions
JPS549173A (en) Method of producing single crystal
JPS649559B2 (en)
El-Zaidia et al. Amorphous-crystalline transformation and X-ray studies of Se sub 8 sub 0 Te sub 1 sub 8 S sub 2
Kniep et al. Phase relations in Ga sub (2) X sub (3)-GaY sub (3) systems(X= Se, Te; Y= Cl, Br, I)- crystal growth, structural relations and optical absorption of intermediate compounds GaXY.
JPS5922985A (en) Heat-accumulating material
Bottcher Study of Cs 2 Se Compound
JPS51114144A (en) Method of making a liquid crystol cell
Bell An origin of the moon compatible with its present condition
JPS5747192A (en) Heat accumulating device

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee