[go: up one dir, main page]

JPS53110997A - Purifying method for impure phosphoric acid - Google Patents

Purifying method for impure phosphoric acid

Info

Publication number
JPS53110997A
JPS53110997A JP2541877A JP2541877A JPS53110997A JP S53110997 A JPS53110997 A JP S53110997A JP 2541877 A JP2541877 A JP 2541877A JP 2541877 A JP2541877 A JP 2541877A JP S53110997 A JPS53110997 A JP S53110997A
Authority
JP
Japan
Prior art keywords
phosphoric acid
purifying method
impure phosphoric
soln
impure
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
JP2541877A
Other languages
Japanese (ja)
Other versions
JPS5424917B2 (en
Inventor
Kensaku Maruyama
Tadahiro Kobayakawa
Yorihisa Kitagawa
Hideo Kamata
Toshiharu Oishi
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals 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.)
Filing date
Publication date
Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP2541877A priority Critical patent/JPS53110997A/en
Publication of JPS53110997A publication Critical patent/JPS53110997A/en
Publication of JPS5424917B2 publication Critical patent/JPS5424917B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To remove harmful impurities, Cd and As contained in an aq. soln. of impure phosphoric acid by adding a sol. sulfide which can supply S ions to a homogeneous phase composed of the soln. and an org. solvent such as metahnol and then separating the resulting sulfide precipitate.
COPYRIGHT: (C)1978,JPO&Japio
JP2541877A 1977-03-10 1977-03-10 Purifying method for impure phosphoric acid Granted JPS53110997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2541877A JPS53110997A (en) 1977-03-10 1977-03-10 Purifying method for impure phosphoric acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2541877A JPS53110997A (en) 1977-03-10 1977-03-10 Purifying method for impure phosphoric acid

Publications (2)

Publication Number Publication Date
JPS53110997A true JPS53110997A (en) 1978-09-28
JPS5424917B2 JPS5424917B2 (en) 1979-08-24

Family

ID=12165385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2541877A Granted JPS53110997A (en) 1977-03-10 1977-03-10 Purifying method for impure phosphoric acid

Country Status (1)

Country Link
JP (1) JPS53110997A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777028A (en) * 1986-02-13 1988-10-11 Hoechst Aktiengesellschaft Process for freeing mineral acids from heavy metals

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56112481A (en) * 1980-02-05 1981-09-04 Nitto Chem Ind Co Ltd Corrosion preventive agent
JPS5843349A (en) * 1981-09-04 1983-03-14 Matsushita Electric Ind Co Ltd Electric water heating apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56112481A (en) * 1980-02-05 1981-09-04 Nitto Chem Ind Co Ltd Corrosion preventive agent
JPS5843349A (en) * 1981-09-04 1983-03-14 Matsushita Electric Ind Co Ltd Electric water heating apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777028A (en) * 1986-02-13 1988-10-11 Hoechst Aktiengesellschaft Process for freeing mineral acids from heavy metals

Also Published As

Publication number Publication date
JPS5424917B2 (en) 1979-08-24

Similar Documents

Publication Publication Date Title
JPS5367959A (en) Method of treating organic waste water
JPS53110997A (en) Purifying method for impure phosphoric acid
JPS5355495A (en) Purifying method for wet process phosphoric acid
JPS5375196A (en) Removing method for heavy metals from phosphoric acid solution
JPS5226555A (en) Method for recovering polyamides
JPS53109100A (en) Treatmetn method of high level radioactive waste solution cantaining sodium nitrate
JPS51117904A (en) A method for collecting gas generated in metal winning by the wet elec trolytic process
JPS5241315A (en) Frame for a battery-driven fork lift truck
JPS5233902A (en) Regeneration of waste oil by neutralizing acid sludge in the oil
JPS5240424A (en) Process for removing fluorine from zinc sludge containing fluorine
JPS51121957A (en) Method of treating waste liquid
JPS5377024A (en) Purification of aromatic amines
JPS5216866A (en) Method of lowering cod in drainage
JPS5267152A (en) Continuously treating method of exhaust liquid containing fluorine and phosphoric acid ions
JPS5212753A (en) Water clarifier
JPS51127000A (en) Process for recovering ammomumsul fate from heavy oil ashes
JPS51147621A (en) A method for purifying solvents for acrylic fiber containing impurity
JPS5428791A (en) Process for purifying aqueous solution of calcium salt
JPS5226502A (en) Method for purifying coke-oven gas
JPS5420295A (en) Reactivation method of copper system reagent
JPS51119380A (en) A method for removing hydrogen chloride from waste gas
JPS52101692A (en) Removal of dissolved sulfate ion in wet process phosphoric acid
JPS5436499A (en) Improved isotopes separating method
JPS51120049A (en) Method of excretion treatment
JPS53147693A (en) Method of removing organic solvent