CA2089663A1
(en )
1992-03-18
Improved tangential filtration process and apparatus
RO72229A
(ro )
1981-08-30
Procedeu pentru recuperarea oxidului de etilena din efluentul gazos produs la oxidarea partiala a etilenei
BE792519A
(fr )
1973-06-08
Recuperation de metaux catalytiques des residus de la production d'acides aromatiques par oxydation catalytique en phase liquide
GB1484860A
(en )
1977-09-08
Manufacture of boric acid
GB1346737A
(en )
1974-02-13
Process for purification of acrylic acid
GB1533542A
(en )
1978-11-29
Separation and purification of platinum and palladium
GB1420511A
(en )
1976-01-07
Process for the purification of cyclohexanone
GB1231719A
(ja )
1971-05-12
GB1189607A
(en )
1970-04-29
Purification Process
CA1017536A
(en )
1977-09-20
Process for the separation and recovery of ammonia and acid gases
EP0474509A3
(en )
1993-07-07
Method for purification of ibuprofen comprising mixtures
FR2308401A1
(fr )
1976-11-19
Procede de separation des isotopes de l'uranium par excitation infrarouge
JPS525733A
(en )
1977-01-17
Process for separation and purification of cyclohexene
GB1366808A
(en )
1974-09-11
Direct reduction process for production of aluminium
GB1198160A
(en )
1970-07-08
A Method of Refining 2,6-Xylenol
FR2509630B1
(fr )
1986-12-19
Procede pour eliminer des impuretes, notamment le potassium, des catalyseurs usages d'argent pour la production d'oxyde d'ethylene
GB1413224A
(en )
1975-11-12
Purifying 1,4-dicyanobutenes
SU712392A1
(ru )
1980-01-30
Способ очистки вольфрамовой кислоты
GB1354224A
(en )
1974-06-05
Purification of yellow phosphorus
GB1335226A
(en )
1973-10-24
Process for the recovery of acrylonitrile from aqueous solutions
JPS5262207A
(en )
1977-05-23
Purification process for chloroform
JPS5233699A
(en )
1977-03-14
Separation and purification of stigmasterol and brassicasterol from ph ytosterol
JPS51127043A
(en )
1976-11-05
Process for purification of cyclohexene
GB1422725A
(en )
1976-01-28
Process for the purification of water
JPS5235799A
(en )
1977-03-18
Recovery method for zeolite