PL278054A1
(en )
1989-11-13
Method of removing of heavy metals from solutions containing phosphoric acid
ZA813226B
(en )
1982-06-30
Method of regenerating phosphoric acid extraction solvent
ZA816800B
(en )
1982-09-29
Solvent extraction method of phosphoric acid
PL282305A1
(en )
1991-05-20
Method of removing fluor from phosphoric acid by extraction
GB2237805B
(en )
1992-12-23
Method of extraction
PH19136A
(en )
1986-01-10
Process for extracting uranium from phosphoric acid by means of alkylpyro-phosphoric acids
JPS56169111A
(en )
1981-12-25
Method of removing fluorine from phosphoric acid
IL66519A
(en )
1985-12-31
Process for removing organic contaminants from phosphoric acid
JPS6458394A
(en )
1989-03-06
Method for removing phosphate from water
DE3463642D1
(en )
1987-06-19
Method of removing fluorine from wet process phosphoric acid
JPS56160309A
(en )
1981-12-10
Method of separating and removing solid matter from phosphoric acid
ZA891571B
(en )
1989-11-29
Continuous process for complete removal of organic impurities from wet-process phosphoric acid
PL264518A1
(en )
1988-10-13
Method for uranium separation from extraction phosphoric acid
PL261361A1
(en )
1988-06-23
Method for removing iron and sulfides from extracted phosphoric acid
PL255951A2
(en )
1986-09-23
Method of obtaining the extraction phosphoric acid by hemihydrate-dihydrate process
PL141351B2
(en )
1987-07-31
Method of isolating uranium from the extraction phosphoric acid
PL256391A2
(en )
1986-10-07
Method of isolating uranium from the extraction phosphoric acid
PL293874A1
(en )
1993-09-20
Method of purifying extracting phosphoric acid
JPS5654214A
(en )
1981-05-14
Removing method for fluorine from phosphoric acid
PL270200A1
(en )
1989-07-24
Method for manufacturing extraction phosphoric acid
PL255170A1
(en )
1987-03-23
Method of purifying phosphoric acid by extraction process
CS275029B2
(en )
1992-01-15
Method of heavy metals above all cadmium, lead and mercury removal from extractive phosphoric acid
PL237275A2
(en )
1983-05-09
Method of clarification of extraction phosphoric acid
PL243807A2
(en )
1984-08-13
Method of purification of extraction phosphoric acid
BG42238A1
(en )
1987-11-14
Method for manufacture of extraction phophorous acid