对火法炼铅产高硅高铁含铜渣进行了氧压硫酸浸出过程研究.结果表明,浸出时间、氧分压、酸量、浸出温度和搅拌速度对Cu的浸出率和浸出液中Fe含量有显著影响,溶液初始含Cu2+量对Cu浸出率影响不明显.最佳工艺条件为:时间2h,氧分压0.8MPa,硫酸浓度46.6g/L,温度(150±2)℃,搅拌速度600r/min,复合絮凝剂A用量30~100g/m3.在该条件下,Cu浸出率>95%,浸出液中Fe<5g/L,硫转化率20%~30%,料浆过滤速度约0.8m3/(m2·h).
Storageand Storage 贮存 Store in cool and dry conditions ,far from fire and heat source 贮存于阴凉干燥处 , 且远离火源、热源 Intended Uses 用途 特别适用于对颜色、光泽和防腐性、有长期耐久性要求的钢结构建筑物,如体育场馆、桥梁、机 场、展览馆等等。 As s kind of high functional and decorative non-yellow finish, it specially suit for steel structure and it ’s durability on color, gloss anti-corrosion is very excellent. As a outstanding paint on resist