ES478382A1 - Metodo para descomponer yeso fosforoso o yeso natural. - Google Patents

Metodo para descomponer yeso fosforoso o yeso natural.

Info

Publication number
ES478382A1
ES478382A1 ES478382A ES478382A ES478382A1 ES 478382 A1 ES478382 A1 ES 478382A1 ES 478382 A ES478382 A ES 478382A ES 478382 A ES478382 A ES 478382A ES 478382 A1 ES478382 A1 ES 478382A1
Authority
ES
Spain
Prior art keywords
gypsum
phospho
natural
sulphuric acid
recovering sulphuric
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
ES478382A
Other languages
English (en)
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.)
EGYPTE FINANC IND SA
Original Assignee
EGYPTE FINANC IND SA
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 EGYPTE FINANC IND SA filed Critical EGYPTE FINANC IND SA
Publication of ES478382A1 publication Critical patent/ES478382A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/06—Ferric oxide (Fe2O3)
    • 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
    • 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
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/02—Portland cement
    • C04B7/04—Portland cement using raw materials containing gypsum, i.e. processes of the Mueller-Kuehne type
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Abstract

Un método para descomponer yeso fosforo o yeso natural, que comprende mezclar dicho yeso con sulfuros naturales, en cualquier proporción adecuada, y calcinar la mezcla resultante a una temperatura de 1 a 3 horas, para obtener dióxido de azufre y clinker de cemento.
ES478382A 1978-04-02 1979-03-07 Metodo para descomponer yeso fosforoso o yeso natural. Expired ES478382A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EG22978 1978-04-02

Publications (1)

Publication Number Publication Date
ES478382A1 true ES478382A1 (es) 1979-11-01

Family

ID=8162334

Family Applications (1)

Application Number Title Priority Date Filing Date
ES478382A Expired ES478382A1 (es) 1978-04-02 1979-03-07 Metodo para descomponer yeso fosforoso o yeso natural.

Country Status (2)

Country Link
EP (1) EP0004568A1 (es)
ES (1) ES478382A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MA21103A1 (fr) * 1986-11-06 1988-07-01 Florida Inst Of Phosphate Res Desulfuration du gypse .
CN100453450C (zh) * 2006-10-31 2009-01-21 李光明 一种磷石膏与硫磺结合制酸联产水泥的工艺方法
CN101554998B (zh) * 2008-06-20 2011-06-29 陈明顺 利用石膏制取三氧化硫的方法及其设备系统
CN102530889A (zh) * 2012-02-23 2012-07-04 四川大学 一种硫铁矿还原分解石膏制硫酸的方法
AU2019271388B2 (en) 2018-05-18 2023-05-18 California Institute Of Technology Process to convert reduced sulfur species and water into hydrogen and sulfuric acid
KR20220058908A (ko) 2019-08-13 2022-05-10 캘리포니아 인스티튜트 오브 테크놀로지 칼슘 보유 암석 및 광물로부터 칼슘 산화물 또는 일반 포틀랜드 시멘트를 제조하는 방법
CN111118280B (zh) * 2020-02-27 2021-12-03 北京矿冶科技集团有限公司 磷石膏和黄铁矿生产含硫气体、碳酸钙和铁精矿的方法
CN112358212A (zh) * 2020-11-02 2021-02-12 荆州三迪建筑科技有限公司 一种磷石膏综合利用方法
CN114148993A (zh) * 2021-12-16 2022-03-08 杭州亚太化工设备有限公司 一种基于磷石膏炉法的硫酸生产系统以及生产工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE456779A (es) *
DE386295C (de) * 1919-04-17 1923-12-07 Rhenania Ver Chemischer Fabrik Verfahren zur Erzeugung von schwefliger Saeure
FR938244A (fr) * 1945-01-09 1948-09-08 Smidth & Co As F L Procédé de fabrication du ciment en partant de la pierre à plâtre
FR1011966A (fr) * 1949-05-06 1952-07-02 Perfectionnement aux fabrications liées de so2 et d'alumine
AT218035B (de) * 1958-02-04 1961-11-10 Tiszamenti Vegyimuevek Verfahren zur Herstellung von Schwefeldioxyd durch Rösten von Kalziumsulfat und eisensulfidhaltigen Stoffen
BE856467A (fr) * 1977-06-22 1977-10-31 Vish Khim T I Procede pour la transformation de phosphoplatre

Also Published As

Publication number Publication date
EP0004568A1 (en) 1979-10-17

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