The sponge iron making with iron sludge produced during DSD acid-making can be used for not only general metallurgy but also iron-carbon bed to treat DSD acid oxidation wastewater.

• 在常规的物化 +生化处理工艺的基础上引入浅层气浮和铁碳过滤的粘胶纤维生产废水治理的新工艺 ,并阐释了其工艺原理。