NO125807B - - Google Patents

Download PDF

Info

Publication number
NO125807B
NO125807B NO4700/69A NO470069A NO125807B NO 125807 B NO125807 B NO 125807B NO 4700/69 A NO4700/69 A NO 4700/69A NO 470069 A NO470069 A NO 470069A NO 125807 B NO125807 B NO 125807B
Authority
NO
Norway
Prior art keywords
content
phosphoric acids
manganese
molar ratio
divalent cations
Prior art date
Application number
NO4700/69A
Other languages
English (en)
Norwegian (no)
Inventor
G Hartlapp
W Kern
H Ressel
Original Assignee
Knapsack Ag
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 Knapsack Ag filed Critical Knapsack Ag
Publication of NO125807B publication Critical patent/NO125807B/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/30Alkali metal phosphates
    • C01B25/301Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Removal Of Specific Substances (AREA)
  • Materials For Medical Uses (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
NO4700/69A 1968-11-30 1969-11-27 NO125807B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681811994 DE1811994B2 (de) 1968-11-30 1968-11-30 Verfahren zur Herstellung von Alkali phosphatlosungen

Publications (1)

Publication Number Publication Date
NO125807B true NO125807B (de) 1972-11-06

Family

ID=5714852

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4700/69A NO125807B (de) 1968-11-30 1969-11-27

Country Status (11)

Country Link
AT (1) AT294769B (de)
BE (1) BE742382A (de)
CA (1) CA919382A (de)
CH (1) CH526465A (de)
DE (1) DE1811994B2 (de)
ES (1) ES374038A1 (de)
FR (1) FR2024646A1 (de)
GB (1) GB1268124A (de)
IL (1) IL33381A (de)
NL (1) NL161420C (de)
NO (1) NO125807B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608029C2 (de) * 1976-02-27 1984-02-23 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung einer Alkaliphosphatlösung aus Naßverfahrensphosphorsäuren
DE3938225A1 (de) * 1989-11-17 1991-05-23 Hoechst Ag Verfahren zur herstellung gereinigter alkaliphosphatloesung

Also Published As

Publication number Publication date
IL33381A (en) 1973-01-30
AT294769B (de) 1971-12-10
NL161420B (nl) 1979-09-17
NL6917263A (de) 1970-06-02
CA919382A (en) 1973-01-23
NL161420C (nl) 1980-02-15
CH526465A (de) 1972-08-15
IL33381A0 (en) 1970-01-29
GB1268124A (en) 1972-03-22
DE1811994B2 (de) 1971-02-04
ES374038A1 (es) 1972-03-16
BE742382A (de) 1970-05-28
FR2024646A1 (de) 1970-08-28
DE1811994A1 (de) 1970-11-12

Similar Documents

Publication Publication Date Title
CA2170240C (en) Treatment method for waste sludge comprising at least one metal
AU2019277206B2 (en) Process for recovering lithium values
US3692671A (en) Rare earth ion removal from waste water
CN110272144B (zh) 一种磷酸铁生产废水的处理方法
US4201667A (en) Process for removing arsenic from aqueous mediums
US3725265A (en) Purification of waste water
KR101969518B1 (ko) 해수리튬으로부터 배터리용 리튬이수소인산염을 제조하는 방법
CN104787932A (zh) 一种工业含砷废水的处理方法
CN109502655B (zh) 一种聚合硫酸铁的生产工艺
US20250388996A1 (en) A process for treating impurity containing streams
NO125807B (de)
KR101898236B1 (ko) 염수를 이용한 탄산리튬의 제조 방법
CN102732724A (zh) 用钛白废酸浸取蛇纹石所得含镁酸浸液除铁的方法
NO163315B (no) Kombinasjon av en skinne samt klatresko og fallvernanordning som er innrettet for samvirkning med skinnen.
US4284515A (en) Process for decreasing elemental phosphorus levels in an aqueous medium
US4134962A (en) Production of pure alkali metal phosphate solutions from wet-processed phosphoric acids
US3685964A (en) Purification of alkali phosphate solution
EP0842182A1 (de) Verfahren zur herstellung von n-phosphonomethylglyzin
RU2622136C1 (ru) Способ переработки арсенита натрия гидролизного
US3539445A (en) Reduction of iron content in bleaching fibrous cellulose
US4146575A (en) Preparation of sodium tripolyphosphate
US4299803A (en) Production of alkali metal phosphate solutions free from zinc
NO132472B (de)
CN104098207B (zh) 钛白粉生产废酸环保处理方法及处理渣的再利用
KR960010812B1 (ko) 말론산 에스테르 제조공정에서 발생되는 후액으로부터 코발트를 회수하는 방법