GB2144407B
(en )
1987-02-18
Cleaning of waste waters containing nitrogenous materials
JPS57167799A
(en )
1982-10-15
Method of decomposing inorganic cyanide in waste fluid
ZA854338B
(en )
1986-01-29
Improved wastewater treatment plant and method
CS708489A2
(en )
1990-10-12
Method of waste waters treatment
GB2143811B
(en )
1987-09-23
Biological activating cleaning of waste waters
PL248850A1
(en )
1986-01-28
Method of chemically decomposing cyanides contained in waste waters
AU557608B2
(en )
1986-12-24
Aerobic treatment of waste water involving interconnected reaction tank and aeration tank
DE3473472D1
(en )
1988-09-22
Process for the treatment of process waste waters and waste waters in the hydrogenation of coal
JPS6418495A
(en )
1989-01-23
Waste water treating tank and method of treating waste water
BG38224A1
(en )
1985-11-15
Method and reactor for purifying waste waters in the manufacture of acrylonitrile
GB8716573D0
(en )
1987-08-19
Biological purification of waste waters
GB8519546D0
(en )
1985-09-11
Packings for waste water treatment
PL255336A1
(en )
1987-04-06
Apparatus for biological denitrification and dephosphatation of waste waters
PL262025A1
(en )
1987-05-18
Method of biologically treating cokery waste waters in order to make them free of cyanides
PL246274A1
(en )
1985-08-27
Method of treating industrial waste waters
CS651588A1
(en )
1989-11-14
Method of cyanides removal from waste waters
CS242788A1
(en )
1989-09-12
Method of waste waters treatment
PL271775A2
(en )
1989-01-23
Method of neutralizing cyanides containing liquid wastes
BG38691A1
(en )
1986-02-14
Cascade biological reservoir for biological purifying of waste waters
PL267080A1
(en )
1988-03-31
Method of biologically treating waste waters
PL250614A1
(en )
1986-07-15
Reactor for treating waste water and sludge stabilization
PL250615A1
(en )
1986-07-15
Reactor for treating waste water and sludge stabilization
PL254455A1
(en )
1987-04-21
Method of electrochemically destroying harmful substances in waste waters and apparatus therefor
CS361488A1
(en )
1989-09-12
Method of waste waters purification
BG43588A1
(en )
1988-07-15
Method for puryfying waste waters containing ammonia from zinc and manganese ions