FR2330449A1 - Procede de traitement thermique de matieres granuleuses ou pulverulentes - Google Patents

Procede de traitement thermique de matieres granuleuses ou pulverulentes

Info

Publication number: FR2330449A1
Authority: FR; France
Prior art keywords: heat; gypsum; pulp; liq; treated
Prior art date: 1975-08-20
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.): Granted

Application number

FR7525742A

Other languages

English (en)

Other versions

FR2330449B1 (fr

Inventor

Noel Goulounes

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.)

LAMBERT IND

Original Assignee

LAMBERT IND

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.)

1975-08-20

Filing date

1975-08-20

Publication date

1977-06-03

1975-08-20 Application filed by LAMBERT IND filed Critical LAMBERT IND

1975-08-20 Priority to FR7525742A priority Critical patent/FR2330449A1/fr

1977-06-03 Publication of FR2330449A1 publication Critical patent/FR2330449A1/fr

1979-03-30 Application granted granted Critical

1979-03-30 Publication of FR2330449B1 publication Critical patent/FR2330449B1/fr

Status Granted legal-status Critical Current

Links

238000010438 heat treatment Methods 0.000 title abstract 2
229910052602 gypsum Inorganic materials 0.000 title 2
239000010440 gypsum Substances 0.000 title 2
ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 title 1
239000007787 solid Substances 0.000 abstract 3
229910052925 anhydrite Inorganic materials 0.000 abstract 2
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 abstract 2
229910000838 Al alloy Inorganic materials 0.000 abstract 1
229910000831 Steel Inorganic materials 0.000 abstract 1
230000015572 biosynthetic process Effects 0.000 abstract 1
239000008187 granular material Substances 0.000 abstract 1
239000000463 material Substances 0.000 abstract 1
239000012254 powdered material Substances 0.000 abstract 1
239000010959 steel Substances 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/02—Methods and apparatus for dehydrating gypsum
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
- B01J8/067—Heating or cooling the reactor

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Organic Chemistry (AREA)
Materials Engineering (AREA)
Structural Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

FR7525742A 1975-08-20 1975-08-20 Procede de traitement thermique de matieres granuleuses ou pulverulentes Granted FR2330449A1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR7525742A FR2330449A1 (fr)	1975-08-20	1975-08-20	Procede de traitement thermique de matieres granuleuses ou pulverulentes

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7525742A FR2330449A1 (fr)	1975-08-20	1975-08-20	Procede de traitement thermique de matieres granuleuses ou pulverulentes

Publications (2)

Publication Number	Publication Date
FR2330449A1 true FR2330449A1 (fr)	1977-06-03
FR2330449B1 FR2330449B1 (fr)	1979-03-30

Family

ID=9159207

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7525742A Granted FR2330449A1 (fr)	1975-08-20	1975-08-20	Procede de traitement thermique de matieres granuleuses ou pulverulentes

Country Status (1)

Country	Link
FR (1)	FR2330449A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1990011256A1 (fr) *	1989-03-16	1990-10-04	The United States Gypsum Company	Procede et appareil de production de microfibres de sulfate de calcium
WO2000048958A1 (fr) *	1999-02-19	2000-08-24	Veag Vereinigte Energiewerke Ag	PROCEDE ET DISPOSITIF POUR LA PRODUCTION D'α-SULFATE DE CALCIUM-SEMIHYDRATE AU MOYEN DE LA SUSPENSION DE GYPSE PRODUITE LORS DE LA DESULFURATION DE GAZ DE FUMEES PAR VOIE HUMIDE DANS UNE CENTRALE THERMIQUE A COMBUSTIBLE FOSSILE

1975
- 1975-08-20 FR FR7525742A patent/FR2330449A1/fr active Granted

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1990011256A1 (fr) *	1989-03-16	1990-10-04	The United States Gypsum Company	Procede et appareil de production de microfibres de sulfate de calcium
WO2000048958A1 (fr) *	1999-02-19	2000-08-24	Veag Vereinigte Energiewerke Ag	PROCEDE ET DISPOSITIF POUR LA PRODUCTION D'α-SULFATE DE CALCIUM-SEMIHYDRATE AU MOYEN DE LA SUSPENSION DE GYPSE PRODUITE LORS DE LA DESULFURATION DE GAZ DE FUMEES PAR VOIE HUMIDE DANS UNE CENTRALE THERMIQUE A COMBUSTIBLE FOSSILE

Also Published As

Publication number	Publication date
FR2330449B1 (fr)	1979-03-30

Similar Documents

Publication	Publication Date	Title
JPS5317509A (en)	1978-02-17	Method and apparatus for induction heating of metallic material
FR2330449A1 (fr)	1977-06-03	Procede de traitement thermique de matieres granuleuses ou pulverulentes
FR2321674A1 (fr)	1977-03-18	Moyen d'echange de chaleur utilisable notamment dans les traitements des pulpes de matieres granuleuses, pulverulentes ou colloidales
JPS526153A (en)	1977-01-18	Heat recovery process of melting furnace sediment
JPS5644100A (en)	1981-04-23	Dehydration/caking treating method of sludge
JPS5735613A (en)	1982-02-26	Radiant tube type continuous heat treatment furnace
JPS55104433A (en)	1980-08-09	Continuous heat treating apparatus
JPS5328509A (en)	1978-03-16	Treating method for increasing high temperature strength of pure titanium material
FR2359800A1 (fr)	1978-02-24	Procede et dispositif de precalcination de matieres pulverulentes
JPS5221295A (en)	1977-02-17	Treating method for molten slag
ES436518A1 (es)	1977-01-01	Procedimiento perfeccionado de coccion de yeso.
Vorobeichikov et al.	1982	Utilization of rotary kiln heat losses
JPS51134307A (en)	1976-11-20	Martensitic tool steel for hot working
JPS52144306A (en)	1977-12-01	Water cooled skid for heating furnace
ES476667A1 (es)	1979-11-01	Procedimiento de transferencia de calor entre dos cascadas de ciclones.
JPS5281009A (en)	1977-07-07	Heating furnace with holding equipment
JPS6446572A (en)	1989-02-21	Sheet material for hearth roll
JPS5414400A (en)	1979-02-02	Method and equipment for producing calcium carbide
JPS5259349A (en)	1977-05-16	Calorifier
JPS5695639A (en)	1981-08-03	Manufacture of superreinforced uniaxially oriented film
JPS5315202A (en)	1978-02-10	Controlling method for blowing temperature
JPS54159399A (en)	1979-12-17	Manufacture of calcium carbide
JPS534705A (en)	1978-01-17	Wet process treatment of blast furnace secondary ash
JPS5370914A (en)	1978-06-23	Manufacture of high tensile steel product with excellent low temperaturetoughness and workability
JPS53117608A (en)	1978-10-14	Method and apparatus for heat treatment by means of utilization of waste heat from heating furnace