JPS6172625A - α型半水石膏の製造方法 - Google Patents

α型半水石膏の製造方法

Info

Publication number
JPS6172625A
JPS6172625A JP59194468A JP19446884A JPS6172625A JP S6172625 A JPS6172625 A JP S6172625A JP 59194468 A JP59194468 A JP 59194468A JP 19446884 A JP19446884 A JP 19446884A JP S6172625 A JPS6172625 A JP S6172625A
Authority
JP
Japan
Prior art keywords
gypsum
slurry
concentration
hemihydrate
dihydrate
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.)
Granted
Application number
JP59194468A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0140769B2 (enrdf_load_stackoverflow
Inventor
Yoshihiko Kudo
工藤　義彦
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.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Priority to JP59194468A priority Critical patent/JPS6172625A/ja
Priority to CA000490153A priority patent/CA1258961A/en
Priority to DE19853533007 priority patent/DE3533007A1/de
Priority to FR858513763A priority patent/FR2570367B1/fr
Priority to GB08522892A priority patent/GB2165829B/en
Publication of JPS6172625A publication Critical patent/JPS6172625A/ja
Priority to US07/062,720 priority patent/US4842842A/en
Publication of JPH0140769B2 publication Critical patent/JPH0140769B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Treating Waste Gases (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
JP59194468A 1984-09-17 1984-09-17 α型半水石膏の製造方法 Granted JPS6172625A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP59194468A JPS6172625A (ja) 1984-09-17 1984-09-17 α型半水石膏の製造方法
CA000490153A CA1258961A (en) 1984-09-17 1985-09-06 PROCESS FOR PRODUCING .alpha.-FORM GYPSUM HEMIHYDRATE
DE19853533007 DE3533007A1 (de) 1984-09-17 1985-09-16 Verfahren zur herstellung von gipshemihydrat der alphaform
FR858513763A FR2570367B1 (fr) 1984-09-17 1985-09-17 Procede pour la production d'hemihydrate de gypse sous forme a
GB08522892A GB2165829B (en) 1984-09-17 1985-09-17 Process for producing a-form gypsum hemihydrate
US07/062,720 US4842842A (en) 1984-09-17 1987-06-15 Process for producing α-form gypsum hemihydrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59194468A JPS6172625A (ja) 1984-09-17 1984-09-17 α型半水石膏の製造方法

Publications (2)

Publication Number Publication Date
JPS6172625A true JPS6172625A (ja) 1986-04-14
JPH0140769B2 JPH0140769B2 (enrdf_load_stackoverflow) 1989-08-31

Family

ID=16325048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59194468A Granted JPS6172625A (ja) 1984-09-17 1984-09-17 α型半水石膏の製造方法

Country Status (1)

Country Link
JP (1) JPS6172625A (enrdf_load_stackoverflow)

Cited By (1)

* 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5350092A (en) * 1976-10-18 1978-05-08 Sumitomo Chem Co Ltd Production of alpha-type hemihydrate gypsum
JPS55113621A (en) * 1979-02-21 1980-09-02 Babcock Hitachi Kk Manufacture of alpha hemihydrate gypsum
JPS5825492A (ja) * 1981-08-05 1983-02-15 Kawasaki Steel Corp 粉末法によるアルミニウム複覆鋼板の製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5350092A (en) * 1976-10-18 1978-05-08 Sumitomo Chem Co Ltd Production of alpha-type hemihydrate gypsum
JPS55113621A (en) * 1979-02-21 1980-09-02 Babcock Hitachi Kk Manufacture of alpha hemihydrate gypsum
JPS5825492A (ja) * 1981-08-05 1983-02-15 Kawasaki Steel Corp 粉末法によるアルミニウム複覆鋼板の製造方法

Cited By (1)

* 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

Also Published As

Publication number Publication date
JPH0140769B2 (enrdf_load_stackoverflow) 1989-08-31

Similar Documents

Publication Publication Date Title
CA1258961A (en) PROCESS FOR PRODUCING .alpha.-FORM GYPSUM HEMIHYDRATE
US4247525A (en) Method of and apparatus for removing sulfur oxides from exhaust gases formed by combustion
JP5424562B2 (ja) 水酸化セシウム溶液の製造法
US4222993A (en) Removal of noxious contaminants from gas
PL175063B1 (pl) Sposób wytwarzania alfa-półwodzianu siarczanu wapniowego w procesie usuwania dwutlenku siarki ze strumienia gorących gazów, zwłaszcza spalinowych
US4503020A (en) Method of producing calcium sulfate semihydrate in conjunction with the desulfurization of flue gases
JPS58172230A (ja) 排脱石膏回収方法
JPH11509586A (ja) 石灰と石灰スラッジからの不純物の分離法と、不純物、例えばケイ素を含有する緑液の２段階カセイ化法
JPS6172625A (ja) α型半水石膏の製造方法
JPS58104022A (ja) 微結晶合成無水物の製造方法
JP2886180B2 (ja) 湿式脱硫装置の排水処理法
JPS627625A (ja) α型半水石膏の製造方法
JPS57122922A (en) Treatment of exhaust gas
SU945076A1 (ru) Способ очистки фосфогипса
JPS57145024A (en) Recovery of boronic compound in stack gas desulfurization
JPS60340B2 (ja) スルファミン酸グアニジンの製造法
JPH04141216A (ja) 湿式排煙脱硫方法
JPS599207B2 (ja) イミドジスルホン酸イオン含有液の無害化処理法
RU2168469C2 (ru) Способ очистки технологических и сбросных содовых растворов от сульфата натрия
JPH04176319A (ja) 湿式排ガス脱硫装置
JP2002066548A (ja) 排水の処理方法
JPS6078622A (ja) 排煙脱硫法
SU638036A1 (ru) Способ дистилл ции фильтровой жидкости содового производства
PL20523B1 (pl) Sposób wytwarzania wodorotlenku potasowego z siarczanu potasu przy równoczesnem otrzymywaniu kwasu szczawiowego.
JPS6254529B2 (enrdf_load_stackoverflow)