FR2491054A1 - Procede d'emploi d'un melange de demi-hydrate de sulfite de calcium et de di-hydrate de sulfate de calcium dans la fabrication du ciment - Google Patents

Procede d'emploi d'un melange de demi-hydrate de sulfite de calcium et de di-hydrate de sulfate de calcium dans la fabrication du ciment Download PDF

Info

Publication number
FR2491054A1
FR2491054A1 FR8118455A FR8118455A FR2491054A1 FR 2491054 A1 FR2491054 A1 FR 2491054A1 FR 8118455 A FR8118455 A FR 8118455A FR 8118455 A FR8118455 A FR 8118455A FR 2491054 A1 FR2491054 A1 FR 2491054A1
Authority
FR
France
Prior art keywords
calcium
hydrate
cement
mixture
manufacture
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.)
Withdrawn
Application number
FR8118455A
Other languages
English (en)
French (fr)
Inventor
Wolfgang Bloss
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.)
Hitachi Zosen Inova Steinmueller GmbH
Original Assignee
L&C Steinmueller GmbH
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 L&C Steinmueller GmbH filed Critical L&C Steinmueller GmbH
Publication of FR2491054A1 publication Critical patent/FR2491054A1/fr
Withdrawn legal-status Critical Current

Links

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
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
    • C04B7/42—Active ingredients added before, or during, the burning process
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • C04B22/142—Sulfates
    • C04B22/143—Calcium-sulfate
    • C04B22/145—Gypsum from the desulfuration of flue gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
FR8118455A 1980-10-01 1981-09-30 Procede d'emploi d'un melange de demi-hydrate de sulfite de calcium et de di-hydrate de sulfate de calcium dans la fabrication du ciment Withdrawn FR2491054A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803037056 DE3037056A1 (de) 1980-10-01 1980-10-01 Verwendung eines gemisches aus kalziumsulfit-halbhydrat und kalziumsulfat-dihydrat fuer die herstellung von zement

Publications (1)

Publication Number Publication Date
FR2491054A1 true FR2491054A1 (fr) 1982-04-02

Family

ID=6113333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8118455A Withdrawn FR2491054A1 (fr) 1980-10-01 1981-09-30 Procede d'emploi d'un melange de demi-hydrate de sulfite de calcium et de di-hydrate de sulfate de calcium dans la fabrication du ciment

Country Status (12)

Country Link
JP (1) JPS5788053A (it)
BE (1) BE890558A (it)
DD (1) DD201667A5 (it)
DE (1) DE3037056A1 (it)
DK (1) DK431681A (it)
FR (1) FR2491054A1 (it)
GB (1) GB2084562B (it)
GR (1) GR75013B (it)
IE (1) IE51795B1 (it)
IT (1) IT1138682B (it)
LU (1) LU83658A1 (it)
NL (1) NL8104481A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59195560A (ja) * 1983-04-21 1984-11-06 日本セメント株式会社 コンクリ−ト製品の製造方法
DE3821657A1 (de) * 1988-06-27 1989-12-28 Rheine Kalkwerke Gmbh Verfahren zum herstellen eines bindemittels und seine verwendung
DE59005950D1 (de) * 1989-11-20 1994-07-07 Wsz Wolfener Schwefelsaeure Un Verfahren zur herstellung von zementklinker und rückgewinnung von schwefeldioxid.
JP4775045B2 (ja) * 2006-03-14 2011-09-21 宇部興産株式会社 還元性せっこう組成物、その製造方法およびセメント系固化材と固化処理方法
JP7406994B2 (ja) * 2020-01-08 2023-12-28 Ｕｂｅ三菱セメント株式会社 セメント組成物の製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855391A (en) * 1973-01-23 1974-12-17 Dravo Corp Sludge stabilization with gypsum
SU563376A1 (ru) * 1975-03-10 1977-06-30 Харьковский Ордена Ленина Политехнический Институт Им. В.И.Ленина Расшир ющеес в жущее

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855391A (en) * 1973-01-23 1974-12-17 Dravo Corp Sludge stabilization with gypsum
SU563376A1 (ru) * 1975-03-10 1977-06-30 Харьковский Ордена Ленина Политехнический Институт Им. В.И.Ленина Расшир ющеес в жущее

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACT, vol.87, no.14, 3 octobre 1977, page 225, résumé no. 105934g, Columbus Ohio (US) & SU - A - 563 376 (KHARKOV POLYTECHNIC INSTITUTE) (30 juin 1977) *

Also Published As

Publication number Publication date
JPS5788053A (en) 1982-06-01
IE812280L (en) 1982-04-01
IE51795B1 (en) 1987-04-01
GR75013B (it) 1984-07-12
BE890558A (fr) 1982-01-18
IT8124262A0 (it) 1981-10-01
DK431681A (da) 1982-04-02
DD201667A5 (de) 1983-08-03
NL8104481A (nl) 1982-05-03
IT1138682B (it) 1986-09-17
DE3037056A1 (de) 1982-04-22
GB2084562A (en) 1982-04-15
GB2084562B (en) 1984-03-07
LU83658A1 (fr) 1982-02-17

Similar Documents

Publication Publication Date Title
BE1001118A5 (fr) Procede pour eliminer par lavage les polluants d'un courant de gaz uses.
FR2491914A1 (fr) Procede d'utilisation d'un sous-produit de la desulfuration par voie seche des gaz de fumee pour la fabrication de ciment de cendres volantes
CZ9701269A3 (en) Method for desulfurizing exhaust gas
US20060251556A1 (en) Methods and apparatus for recovering gypsum and magnesium hydroxide
EP0604701B1 (en) Method of sulfur dioxide removal from gaseous streams with alpha hemihydrate gypsum product formation
KR950010795B1 (ko) 탈황 방법과 장치
FR2491054A1 (fr) Procede d'emploi d'un melange de demi-hydrate de sulfite de calcium et de di-hydrate de sulfate de calcium dans la fabrication du ciment
FI110129B (fi) Menetelmä viherlipeän valmistamiseksi kemikaalien talteenotossa sulfaatti- ja sulfiittimassatehtaissa
US3965242A (en) Method for desulfurizing exhaust gas by alkali sulphite-gypsum process
US135001A (en) Improvement in methods of purifying carbonic-acid gas
FR2621307A1 (fr) Procede d'evacuation et de traitement de boues de decantation provenant de l'epuration d'eaux usees
FR2461684A1 (fr) Procede pour l'epuration d'eaux residuaires a forte pollution organique et contenant des sulfates
SU857044A1 (ru) Композици дл изготовлени газогипса
BE827132R (fr) Materiaux de construction et procede de fabrication de materiaux de construction a base de compositions de sulfite-cendre volante - chaux
KR102530614B1 (ko) 바이오황과 산화반응을 이용한 석고 제조방법 및 그 이용
JPH057045B2 (it)
JPS55113621A (en) Manufacture of alpha hemihydrate gypsum
FR2535618A1 (fr) Procede d'extraction continue de suspension de lavage dans les installations de desulfuration des gaz de fumee
JP3751475B2 (ja) 複分解方法
JP3505287B2 (ja) 複分解装置
FR2423468A1 (fr) Procede et installation pour la desodorisation et la transformation en engrais du lisier de porc
JP2719322B2 (ja) 排ガス脱硫方法
CN113735547A (zh) 一种镁基脱硫浑浊液制备镁建材产品的方法
FR2488910A1 (fr) Procede de transformation de bains de scories metallurgiques et scorie metallurgique obtenue conformement audit procede
EP0241496A1 (de) Verfahren zur simultanen so2- und nox-abscheidung aus rauchgasen

Legal Events

Date Code Title Description
ST Notification of lapse