PH23895A - Desulfurization of gypsum - Google Patents

Desulfurization of gypsum

Info

Publication number: PH23895A
Authority: PH; Philippines
Prior art keywords: desulfurization; gypsum
Prior art date: 1986-11-06

Application number

PH36030A

Other languages

English (en)

Inventor

Jerome Herbert Marten

George Michael Lloyd Jr

Original Assignee

Florida Phosphate Res Inst

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.)

1986-11-06

Filing date

1987-11-05

Publication date

1989-12-18

1987-11-05 Application filed by Florida Phosphate Res Inst filed Critical Florida Phosphate Res Inst

1989-12-18 Publication of PH23895A publication Critical patent/PH23895A/en

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
- C01B17/506—Preparation of sulfur dioxide by reduction of sulfur compounds of calcium sulfates
- 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
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/001—Calcining
- 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
- C01F11/02—Oxides or hydroxides
- C01F11/08—Oxides or hydroxides by reduction of sulfates
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
- C22B1/20—Sintering; Agglomerating in sintering machines with movable grates
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/003—Foundations for pavings characterised by material or composition used, e.g. waste or recycled material
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/182—Aggregate or filler materials, except those according to E01C7/26

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
Metallurgy (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Architecture (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Inorganic Chemistry (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Manufacturing & Machinery (AREA)
Chemical Kinetics & Catalysis (AREA)
Thermal Sciences (AREA)
Physics & Mathematics (AREA)
Manufacture And Refinement Of Metals (AREA)
Solid Fuels And Fuel-Associated Substances (AREA)
Treating Waste Gases (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Processing Of Solid Wastes (AREA)

PH36030A 1986-11-06 1987-11-05 Desulfurization of gypsum PH23895A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US92743986A	1986-11-06	1986-11-06

Publications (1)

Publication Number	Publication Date
PH23895A true PH23895A (en)	1989-12-18

Family

ID=25454721

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PH36030A PH23895A (en)	1986-11-06	1987-11-05	Desulfurization of gypsum

Country Status (13)

Country	Link
EP (1)	EP0267031B1 (pt)
KR (1)	KR950011830B1 (pt)
CN (1)	CN1015252B (pt)
BR (1)	BR8705952A (pt)
CA (1)	CA1329466C (pt)
DE (1)	DE3750606T2 (pt)
ES (1)	ES2064320T3 (pt)
IN (1)	IN170365B (pt)
MA (1)	MA21103A1 (pt)
PH (1)	PH23895A (pt)
TN (1)	TNSN87127A1 (pt)
TR (1)	TR26244A (pt)
ZA (1)	ZA878361B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4963513A (en) *	1989-05-24	1990-10-16	Florida Institute Of Phosphate Research	Coal gasification cogeneration process
DD298769A5 (de) *	1990-01-05	1992-03-12	Dsz Schwefelsaeure Und Zement Gmbh Wolfen,De	Rohmehle fuer das gips-schwefelsaeure-verfahren
PL186189B1 (pl) *	1997-06-23	2003-11-28	Kosicka Dobroslawa	Sposób przetwarzania odpadów fosfogipsowych
CN1111078C (zh) *	1999-12-30	2003-06-11	赵善茂	一种锅炉烟气的综合利用方法
CN101468792B (zh) *	2007-12-28	2013-03-20	尹小林	工业废石膏制硫磺新工艺
CN111979423B (zh) *	2019-05-24	2021-09-03	中南大学	一种利用石膏渣强化回收铜熔炼渣中有价金属的方法
CN112024130A (zh) *	2020-08-06	2020-12-04	陈素恩	一种磷石膏浮选装置
CN113340105A (zh) *	2021-07-05	2021-09-03	昆明理工大学	一种利用烧结机分解处置磷石膏及资源化利用的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT218035B (de) *	1958-02-04	1961-11-10	Tiszamenti Vegyimuevek	Verfahren zur Herstellung von Schwefeldioxyd durch Rösten von Kalziumsulfat und eisensulfidhaltigen Stoffen
DE2728149A1 (de) *	1977-06-22	1979-01-11	Visch Khim T I	Verfahren zur verarbeitung von phosphogips
ES478382A1 (es) *	1978-04-02	1979-11-01	Abdel Fattah Sabry Hosein Kame	Metodo para descomponer yeso fosforoso o yeso natural.
US4503018A (en) *	1983-02-14	1985-03-05	Davy Mckee Corporation	Desulfurization of phosphogypsum

1987
- 1987-11-04 MA MA21344A patent/MA21103A1/fr unknown
- 1987-11-04 CA CA000551064A patent/CA1329466C/en not_active Expired - Fee Related
- 1987-11-05 DE DE3750606T patent/DE3750606T2/de not_active Expired - Fee Related
- 1987-11-05 ES ES87309782T patent/ES2064320T3/es not_active Expired - Lifetime
- 1987-11-05 BR BR8705952A patent/BR8705952A/pt not_active IP Right Cessation
- 1987-11-05 EP EP87309782A patent/EP0267031B1/en not_active Expired - Lifetime
- 1987-11-05 PH PH36030A patent/PH23895A/en unknown
- 1987-11-06 CN CN87107380A patent/CN1015252B/zh not_active Expired
- 1987-11-06 TN TNTNSN87127A patent/TNSN87127A1/fr unknown
- 1987-11-06 ZA ZA878361A patent/ZA878361B/xx unknown
- 1987-11-06 KR KR1019870012492A patent/KR950011830B1/ko not_active IP Right Cessation
- 1987-11-06 IN IN801/MAS/87A patent/IN170365B/en unknown
1988
- 1988-02-22 TR TR88/0146A patent/TR26244A/xx unknown

Also Published As

Publication number	Publication date
IN170365B (pt)	1992-03-21
CN1015252B (zh)	1992-01-01
DE3750606T2 (de)	1995-01-26
TNSN87127A1 (fr)	1990-01-01
TR26244A (tr)	1994-01-28
EP0267031B1 (en)	1994-09-28
CN87107380A (zh)	1988-06-22
EP0267031A1 (en)	1988-05-11
MA21103A1 (fr)	1988-07-01
BR8705952A (pt)	1988-06-14
CA1329466C (en)	1994-05-17
KR880006119A (ko)	1988-07-21
DE3750606D1 (de)	1994-11-03
ZA878361B (pt)	1988-05-03
ES2064320T3 (es)	1995-02-01
KR950011830B1 (ko)	1995-10-11

Publication	Publication Date	Title
GB8703394D0 (en)	1987-03-18	Determination of basic values
GB8609909D0 (en)	1986-05-29	Manufacture of frictional elements
EP0279116A3 (en)	1988-10-19	Desulphurisation desulphurisation
PH23895A (en)	1989-12-18	Desulfurization of gypsum
EP0262849A3 (en)	1989-08-30	Desulphurisation
GB8727401D0 (en)	1987-12-23	Preparation of trifluoromethylbenzonitrile
IL82217A0 (en)	1987-10-30	Preparation of 1-aryl-5-amino-pyrazoles
EP0230146A3 (en)	1989-01-18	Desulphurisation
GB8714646D0 (en)	1987-07-29	Plaster
GB2196961B (en)	1990-08-08	Preparation of polyfluoroenolates
GB8601724D0 (en)	1986-02-26	Application of tetracyano-quinodimethanes
GB2197890B (en)	1991-02-13	Manufacture of arches
GB8602313D0 (en)	1986-03-05	Reduction of photo-yellowing
GB8600573D0 (en)	1986-02-19	Desulphurisation
GB8623571D0 (en)	1986-11-05	Desulphurisation
GB8703878D0 (en)	1987-03-25	Treatment of concrete
GB8711527D0 (en)	1987-06-17	Plaster composition
IL82018A0 (en)	1987-10-20	Preparation of 4-nitrophenetol
GB8704561D0 (en)	1987-04-01	Application of tetrathiafulvalenes
ZA875560B (en)	1988-04-27	Making of bricks
CS443286A1 (en)	1989-05-12	Connection of six-outlet reflecto-meter
CS443186A1 (en)	1989-05-12	Connection of six-outlet reflecto-meter
CS443086A1 (en)	1989-05-12	Connection of six-outlet reflecto-meter
PL262344A1 (en)	1988-07-07	Crack-proof plaster
GB8628710D0 (en)	1987-01-07	Piegon of piece