Removal of cod component from cod-containing waste water
JPS5687693A
Water washing method for electrolytically treated material adhered with charged fine powder of electroconductive material
JPS5625996A
Electrolytic method
JPS55155786A
Decoloring treating method of dyeing waste water
JPS5597224A
Moisture drying agent
JPS5556835A
Preparation of adsorbent and absorbent agent
JPS5550467A
Treating method for exhaust liquid containing chromium
JPS553854A
Treating method of waste water containing dye or other organic substance
JPS54154158A
Method of disposing waste water containing heavy metal
JPS5390331A
Method for solidification of metallic compounds
JPS5339278A
Adsorbents of metal ions
JPS52101700A
Process for preparing calcium aluminate
JPS52101681A
Gas absorbing and adsorbing agents
JPS5288232A
Circulation method of regenerating sulfuric acid electrolyte for treating aluminum or its alloy
JPS5277837A
Process for treating waste disposal of rinsing water in surface treatment of aluminum or its alloy
JPS51144337A
Method of washing in respective steps for surface treating aluminum or aluminum alloy
JPS51136573A
Process for treatment of the waste solution having been subjected to tre atment of aluminium of aluminiumalloy with sulfuric acid or a mixed acid of sulfuric acid and other acids