摘要
针对彩管厂含氟废水常规处理工艺存在的问题,提出了合理的污泥回流强化混凝处理工艺,并在实验室小试研究和实际生产运行中取得了很好的处理效果,出水F-质量浓度控制在10.5 mg/L以下,工厂混合后的排放水F-质量浓度基本稳定在4￣6 mg/L。同时,省去了氯化钙投药系统,石灰用量比原来减少40%,产污泥量减至原来的一半,混凝剂用量减至原来的1/5￣1/4,沉淀效率比原来提高50%,处理成本则由2.75元/m3降至1.35元/m3,取得了显著的经济效益。
Aiming at the problems of conventional kinescope factory, an experiment on the enhanced treatment of fluorine-containing wastewater in color television coagulation treatment by sludge recirculation is carried out. The experimental results in lab and full-scale running show that the fluorine-containing wastewater and got a good treatment effect. sludge recirculation has enhanced the coagulation of The fluoride of effluent water can be controled at a level of below 10.5 mg/L, and the fluoride in discharged water of the color television kinescope factory is stabilized at 4-6mg/L Compared with the conventional treatment process, the enhanced coagulation process do not need to dose calcium chloride, and it reduces the lime dosage 40%, reduces half sludge production, saves the coagulant 75%-80%, and increases the sedimentation efficiency 50%. The treatment cost reduces from 2.75 yuan/m^3 to 1.35 yuan/m^3 and gets a considerable economic benefits.
出处
《工业水处理》
CAS
CSCD
北大核心
2005年第9期71-74,共4页
Industrial Water Treatment
关键词
含氟废水
三氯化铁
强化混凝
污泥回流
fluorine-containing wastewater
ferric chloride
enhanced coagulation
sludge recirculation
