GB1538662A
(en )
1979-01-24
Chemical waste water treatment method
JPS5462651A
(en )
1979-05-19
Method of treating sludge waste containing heavy metals
JPS5357179A
(en )
1978-05-24
Method of treating waste liquids containing nitric acid
JPS553895A
(en )
1980-01-11
Method of continuously disposing sludge
JPS5219470A
(en )
1977-02-14
Method of treating waste water containing fluorborate compound
JPS5462655A
(en )
1979-05-19
Method of treating sludge
YU41500B
(en )
1987-08-31
Process for the chemical treatment of waste containing organic matter
HU177756B
(en )
1981-12-28
Process for purifying objects after treating them with chemical bathes or with galvanic bathes
CS190155B1
(en )
1979-05-31
Method of transporting solid starting compound of chemical reaction in sludge treatment
JPS5478367A
(en )
1979-06-22
Sludge treating process
JPS5348906A
(en )
1978-05-02
Method of treating sludge containing heavy metals
JPS53125888A
(en )
1978-11-02
Estimation method of life of reaction tube in chemical equipments
JPS52113548A
(en )
1977-09-22
Electrolytic concentration method of sludge
JPS53106669A
(en )
1978-09-16
Treatment of sludge containing heavy metals
JPS52139258A
(en )
1977-11-21
Modifying method of biological sludge
JPS52143965A
(en )
1977-11-30
Method of treating sludge containing heavy metals
JPS5339262A
(en )
1978-04-11
Method of treating sludge containing heavy metals
JPS52115577A
(en )
1977-09-28
Method of treating sludge containing toxic metallic compound
JPS5488654A
(en )
1979-07-13
Method of treating sludge
JPS5310554A
(en )
1978-01-31
Treating method of nitrogen containing waste water
JPS5313547A
(en )
1978-02-07
Treating method of activated sludge
JPS5254259A
(en )
1977-05-02
Method of treating waste water containing ammono nitrogen
JPS5468055A
(en )
1979-05-31
Method of purifying organic sewage
JPS5282628A
(en )
1977-07-11
Method of treating zinc sludge
JPS5280648A
(en )
1977-07-06
Method of treating sludge