JPS54121297A - Manufacture of alpha-type semihydrate gypsum and crystallization medium for alpha-type semihydrate gypsum manufacture - Google Patents

Manufacture of alpha-type semihydrate gypsum and crystallization medium for alpha-type semihydrate gypsum manufacture

Info

Publication number: JPS54121297A
Authority: JP; Japan
Prior art keywords: alpha; gypsum; type; manufacture; semihydrate
Prior art date: 1978-03-14
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

JP2882278A

Other languages

English (en)

Japanese (ja)

Other versions

JPS6127339B2 (da

Inventor

Michio Sekiya

Masaharu Yoshikawa

Shizuo Iwai

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.)

Ajinomoto Co Inc

Original Assignee

Ajinomoto Co Inc

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.)

1978-03-14

Filing date

1978-03-14

Publication date

1979-09-20

1978-03-14 Application filed by Ajinomoto Co Inc filed Critical Ajinomoto Co Inc

1978-03-14 Priority to JP2882278A priority Critical patent/JPS54121297A/ja

1979-09-20 Publication of JPS54121297A publication Critical patent/JPS54121297A/ja

1986-06-25 Publication of JPS6127339B2 publication Critical patent/JPS6127339B2/ja

Status Granted legal-status Critical Current

Links

229910052602 gypsum Inorganic materials 0.000 title abstract 6
239000010440 gypsum Substances 0.000 title abstract 6
238000004519 manufacturing process Methods 0.000 title abstract 3
238000002425 crystallisation Methods 0.000 title abstract 2
230000008025 crystallization Effects 0.000 title abstract 2
239000007859 condensation product Substances 0.000 abstract 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
150000001413 amino acids Chemical class 0.000 abstract 2
238000006243 chemical reaction Methods 0.000 abstract 2
125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 2
230000003301 hydrolyzing effect Effects 0.000 abstract 2
239000002002 slurry Substances 0.000 abstract 2
239000000126 substance Substances 0.000 abstract 2
102000035195 Peptidases Human genes 0.000 abstract 1
108091005804 Peptidases Proteins 0.000 abstract 1
239000003513 alkali Substances 0.000 abstract 1
239000007864 aqueous solution Substances 0.000 abstract 1
239000013078 crystal Substances 0.000 abstract 1
150000004683 dihydrates Chemical class 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
230000007062 hydrolysis Effects 0.000 abstract 1
238000006460 hydrolysis reaction Methods 0.000 abstract 1
229910052757 nitrogen Inorganic materials 0.000 abstract 1
239000000047 product Substances 0.000 abstract 1
239000000243 solution Substances 0.000 abstract 1
238000003756 stirring Methods 0.000 abstract 1

Landscapes

Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

JP2882278A 1978-03-14 1978-03-14 Manufacture of alpha-type semihydrate gypsum and crystallization medium for alpha-type semihydrate gypsum manufacture Granted JPS54121297A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP2882278A JPS54121297A (en)	1978-03-14	1978-03-14	Manufacture of alpha-type semihydrate gypsum and crystallization medium for alpha-type semihydrate gypsum manufacture

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2882278A JPS54121297A (en)	1978-03-14	1978-03-14	Manufacture of alpha-type semihydrate gypsum and crystallization medium for alpha-type semihydrate gypsum manufacture

Publications (2)

Publication Number	Publication Date
JPS54121297A true JPS54121297A (en)	1979-09-20
JPS6127339B2 JPS6127339B2 (da)	1986-06-25

Family

ID=12259083

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2882278A Granted JPS54121297A (en)	1978-03-14	1978-03-14	Manufacture of alpha-type semihydrate gypsum and crystallization medium for alpha-type semihydrate gypsum manufacture

Country Status (1)

Country	Link
JP (1)	JPS54121297A (da)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100443246B1 (ko) *	2001-10-29	2004-08-04	한국전력공사	배연탈황 석고로부터의 감압가열에 의한 α형 반수석고의 제조방법
WO2022199025A1 (zh) *	2021-03-25	2022-09-29	中建材创新科技研究院有限公司	一种石膏自流平材料
CN117209245A (zh) *	2023-10-24	2023-12-12	湖州绿色新材股份有限公司	一种防水自流平材料及其制备方法和应用

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7273579B2 (en) *	2004-01-28	2007-09-25	United States Gypsum Company	Process for production of gypsum/fiber board

1978
- 1978-03-14 JP JP2882278A patent/JPS54121297A/ja active Granted

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100443246B1 (ko) *	2001-10-29	2004-08-04	한국전력공사	배연탈황 석고로부터의 감압가열에 의한 α형 반수석고의 제조방법
WO2022199025A1 (zh) *	2021-03-25	2022-09-29	中建材创新科技研究院有限公司	一种石膏自流平材料
CN117209245A (zh) *	2023-10-24	2023-12-12	湖州绿色新材股份有限公司	一种防水自流平材料及其制备方法和应用

Also Published As

Publication number	Publication date
JPS6127339B2 (da)	1986-06-25

Similar Documents

Publication	Publication Date	Title
JPS55129155A (en)	1980-10-06	Production of catalyst
JPS54121297A (en)	1979-09-20	Manufacture of alpha-type semihydrate gypsum and crystallization medium for alpha-type semihydrate gypsum manufacture
ES8307714A1 (es)	1983-08-01	Procedimiento de obtencion de sales aminicas de utilidad como aditivos para cementos hidraulicos.
ES2062205T3 (es)	1994-12-16	Metodo para producir 2,2-dimetil-3-hidroxipropil-2,2-dimetil-3-hidroxipropionato.
JPS5225733A (en)	1977-02-25	Process for preparation of benzaldehydes
JPS568691A (en)	1981-01-29	Method and apparatus for continuous production of l-alanine
JPS5271433A (en)	1977-06-14	Preparation of aromatic polycarboxylic acid arylester
JPS5646888A (en)	1981-04-28	Preparation of alkenylhalosilane
JPS545931A (en)	1979-01-17	Prearation of n,n-dialkyltoluamide
JPS54141780A (en)	1979-11-05	5-n-butyl-2-thiopicoline-anilide and its preparation
JPS5268200A (en)	1977-06-06	Preparation of collagen peptide or mixed amino acids
JPS5239642A (en)	1977-03-28	A process for preparing protocatechualdehyde
JPS5283424A (en)	1977-07-12	Esterification process
JPS57155974A (en)	1982-09-27	Preparation of concentrated barley water
JPS5579382A (en)	1980-06-14	Preparation of sorbitan
JPS51139677A (en)	1976-12-02	Process for cultivating methanol-assimilating microorganisms
JPS52130974A (en)	1977-11-02	Method of producing nucleic acid fermentation materials
JPS5257137A (en)	1977-05-11	Batch-wise esterification process
JPS52128351A (en)	1977-10-27	Preparation of alpha-elemene and delta-elemene
JPS5452791A (en)	1979-04-25	Preparation of d-alpha-amino acid
JPS57122032A (en)	1982-07-29	Preparation of sorbitol adduct with calcium
JPS5353615A (en)	1978-05-16	Preparation of beta-hydroxy-alpha-amino acids
JPS5326393A (en)	1978-03-11	Preparation of peptide
JPS5430123A (en)	1979-03-06	Preparation of alkyl ether of divalent phenol
JPS5531087A (en)	1980-03-05	Preparation of 5-acetyl-1,2,6-trimethyl-tricyclo 5.3.2.02,7 dodec-5-ene