About HAGIRI MASAHIDE
About HONDA KAZUFUMI
About UCHIDA SHUJI
About slag
About Hydrochloric Acid
About sulfuric acid
About leaching
About extraction
About hydrogel
About porous medium
About silicon dioxide
About iron oxide
About copper oxide
About zinc oxide
About resource recovery
About recycling
About metallic element
About silicone hydrogel
About metal recovery
About porous silica
About copper slag
About utilization
About reuse
About 銅水砕スラグ
About Smelting
About Other inorganic chemicals and inorganic materials
About 銅
About 水砕スラグ
About 硫酸
About 塩酸
About 溶出