IT1031758B
(en )
1979-05-10
RECOVERY OF POLTHESTER WASTE
BR6457073D0
(en )
1973-06-28
APPARATUS TO PROVIDE TAPE SEALS
FI43943C
(en )
1971-07-12
Method for pyrolysing sodium and sulfur-containing cellulosic waste liquors
BR6347416D0
(en )
1973-08-28
NEW PROCESS FOR SYNTHESIS OF STEROIDS AND CONGENERAL COMPOUNDS
IT978435B
(en )
1974-09-20
PROCESS FOR THE RECOVERY OF REGENERATED CELLU LOSA
FI41101C
(en )
1969-08-11
Method for pyrolysis of cellulose from waste liquor
FI44980C
(en )
1972-02-10
A method for recovering sodium carbonate and hydrogen sulfide from a waste solution of cellulose broth
FI45358C
(en )
1972-05-10
A method for pyrolyzing sodium-based cellulosic waste liquor and recovering sodium trioxide as soda.
FI44518C
(en )
1971-11-10
Method and apparatus for recovering soda and sulfur dioxide from sodium sulphite-based cellulose soup waste solution
CA671026A
(en )
1963-09-24
Method of gasifying sulphurous cellulose waste liquors
FI46408C
(en )
1973-03-12
Method and apparatus for regenerating sodium sulfite and sodium bisulfite waste solutions.
BR6457051D0
(en )
1973-08-14
PREPARATION PROCESS FOR A NEW STRANGE A-NOR-B-HOMO
CA675193A
(en )
1963-12-03
Process for the recovery of sodium and sulphur compounds from the waste liquors from the production of cellulose
CA672084A
(en )
1963-10-08
Removal of hydrogen sulphide
CA593787A
(en )
1960-03-08
Method of regenerating sodium sulfite waste liquors
CA669817A
(en )
1963-09-03
Method for the recovery of sodium carbonate from alkali-containing spent cellulose liquors
CA787292A
(en )
1968-06-11
Method of working up cellulose waste liquor containing sodium and sulfur
FI43124C
(en )
1971-01-11
Method for recovering cobalt from aqueous solutions
CA669619A
(en )
1963-09-03
Sodium sulphite liquor recovery
AU242268B2
(en )
Method of gasifying sulphurous cellulose waste liquors
AU272607B2
(en )
A method and a device for pyrolyzing spent sodium sulphite liquor
FR1376366A
(en )
1964-10-23
Dense sodium carbonate production process
FI37402A
(en )
1967-12-11
A method for recovering useful products from cellulosic waste liquors
FR1159908A
(en )
1958-07-03
Improvements made to warranty seals
AT252273B
(en )
1967-02-10
Process for the production of sodium carbonate