JPS5265970A - Process for treating waste water containing sulfate ions - Google Patents

Process for treating waste water containing sulfate ions

Info

Publication number
JPS5265970A
JPS5265970A JP50141187A JP14118775A JPS5265970A JP S5265970 A JPS5265970 A JP S5265970A JP 50141187 A JP50141187 A JP 50141187A JP 14118775 A JP14118775 A JP 14118775A JP S5265970 A JPS5265970 A JP S5265970A
Authority
JP
Japan
Prior art keywords
waste water
water containing
sulfate ions
treating waste
containing sulfate
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
JP50141187A
Other languages
Japanese (ja)
Other versions
JPS5628194B2 (en
Inventor
Kazuo Nishiguchi
Yoshio Ogawa
Toshio Kanai
Hajime Kitazato
Toshiaki Urata
Hiroshi Yanagioka
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.)
Chiyoda Chemical Engineering and Construction Co Ltd
Original Assignee
Chiyoda Chemical Engineering and Construction Co Ltd
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 Chiyoda Chemical Engineering and Construction Co Ltd filed Critical Chiyoda Chemical Engineering and Construction Co Ltd
Priority to JP50141187A priority Critical patent/JPS5265970A/en
Publication of JPS5265970A publication Critical patent/JPS5265970A/en
Publication of JPS5628194B2 publication Critical patent/JPS5628194B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Removal Of Specific Substances (AREA)

Abstract

PURPOSE:To provide a process for treating waste water containing sulfate ions, wherein the pH value of waste water is adjusted to 6-8 in a short time by use of inexpensive limestone, and the unreacted limestone is easily recovered for recycle use.
JP50141187A 1975-11-27 1975-11-27 Process for treating waste water containing sulfate ions Granted JPS5265970A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50141187A JPS5265970A (en) 1975-11-27 1975-11-27 Process for treating waste water containing sulfate ions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50141187A JPS5265970A (en) 1975-11-27 1975-11-27 Process for treating waste water containing sulfate ions

Publications (2)

Publication Number Publication Date
JPS5265970A true JPS5265970A (en) 1977-05-31
JPS5628194B2 JPS5628194B2 (en) 1981-06-30

Family

ID=15286172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50141187A Granted JPS5265970A (en) 1975-11-27 1975-11-27 Process for treating waste water containing sulfate ions

Country Status (1)

Country Link
JP (1) JPS5265970A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225818A (en) * 2011-04-15 2011-10-26 四川省环保科技工程有限责任公司 Technological process for toxicity elimination of extracted wastewater with high concentrated acid
WO2015174103A1 (en) * 2014-05-13 2015-11-19 住友金属鉱山株式会社 Sulphuric acid acidic solution neutralisation method and nickel oxide ore hydrometallurgical method
CN105540935A (en) * 2016-01-29 2016-05-04 铜陵有色金属集团股份有限公司铜冠冶化分公司 Method for removing fluorin ions, sulfate radical ions and iron ions from organic amine liquor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121796A (en) * 1973-03-23 1974-11-21
JPS49134589A (en) * 1973-04-30 1974-12-25

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121796A (en) * 1973-03-23 1974-11-21
JPS49134589A (en) * 1973-04-30 1974-12-25

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225818A (en) * 2011-04-15 2011-10-26 四川省环保科技工程有限责任公司 Technological process for toxicity elimination of extracted wastewater with high concentrated acid
WO2015174103A1 (en) * 2014-05-13 2015-11-19 住友金属鉱山株式会社 Sulphuric acid acidic solution neutralisation method and nickel oxide ore hydrometallurgical method
JP2015214739A (en) * 2014-05-13 2015-12-03 住友金属鉱山株式会社 Method for neutralizing sulfuric acid acidic solution and hydrometallurgical method for nickel oxide ore
US9512503B2 (en) 2014-05-13 2016-12-06 Sumitomo Metal Mining Co., Ltd. Method for neutralizing sulfuric acid acidic solution and hydrometallurgical method for nickel oxide ore
CN105540935A (en) * 2016-01-29 2016-05-04 铜陵有色金属集团股份有限公司铜冠冶化分公司 Method for removing fluorin ions, sulfate radical ions and iron ions from organic amine liquor

Also Published As

Publication number Publication date
JPS5628194B2 (en) 1981-06-30

Similar Documents

Publication Publication Date Title
IL51663A0 (en) Method of treating sewage by the activated sludge process
JPS51142860A (en) Method for oxidation treatment of fe2+ in waste liquor
JPS5421057A (en) Method of treating waste water by contact aeration process
JPS5265970A (en) Process for treating waste water containing sulfate ions
JPS5328960A (en) Nitration treatment
ES446176A1 (en) Process for slow softening water
JPS5231562A (en) Water treatment
JPS5219464A (en) Method for treating waste water containing ammonical nitrogen
JPS521954A (en) Process for treating muddy water in shield in work of type of pressing the muddy water
JPS5266A (en) Method of treating activated sludge in waste water from plant
JPS5225450A (en) Method of treating sludge
JPS5262956A (en) Process for treating waste water containing sulfuric acid ion
JPS51138061A (en) Treating method of waste
JPS51124050A (en) Treatment method of waste water containing formaldehyde
JPS52126065A (en) Process for treating waste water of a paper factory
JPS5216859A (en) Method of treating alkali waste water
JPS5370560A (en) Method of treating waste water
GB1527292A (en) Electrolytic flotation
JPS5251753A (en) Method of clarifying textile-containing organic wastewater
JPS537972A (en) Process for treating heavy metals in drain water
JPS5265973A (en) Process for treating water containing phosphate and sulfate ions
JPS5580726A (en) Production of needlelike goethite
JPS5284198A (en) Production of activated ferrite
JPS5236843A (en) Method for treating water
JPS53132171A (en) Process for wastewater treatment

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term