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1)  phosphorus removal from wastewater
废水除磷
2)  phosphorus wastewater
含磷废水
1.
The paper discusses the treatment of phosphorus wastewater by experiments and proposes a way of decreasing P by slaked lime and phosphate crystallization method.
文章对含磷废水的处理技术进行了实验研究,提出石灰乳脱磷与磷酸盐结晶法处理工艺。
2.
The removal of P from phosphorus wastewater with calcinated or uncalcinated red mud were investigated.
研究了赤泥投加量、反应时间、pH值和搅拌速度对含磷废水去除效果的影响,探讨了赤泥煅烧活化前后对废水中磷的去除作用。
3)  phosphating wastewater
磷化废水
1.
At present,the main methods to solve phosphating wastewater are biological,chemical,and physical-chemical etc.
文章以成都某汽车厂的废水处理工程为例,研究了磷化废水的处理工艺及原理,表明采用物化与生化相结合的工艺处理汽车磷化废水可取得良好的处理效果。
2.
A novel composite flocculant for removal of P from phosphating wastewater was devel-oped,and its efficiency in wastewater treatment was examined.
研制了一种新型絮凝剂,对高浓度磷化废水进行脱磷试验,结果表明,对磷含量为145mg/L左右的磷化污水,通过控制污水的pH值、絮凝剂的投加量、反应时间及沉降时间等参数,可使废水中磷的去除率达99%以上,出水磷含量达到国家综合污水排放一级标准(小于0。
4)  phosphorus-containing wastewater
含磷废水
1.
Effect of the lime dosage on treatment of phosphorus-containing wastewater by microfiltration;
微滤处理含磷废水时石灰的作用
2.
Treatment of high-concentration phosphorus-containing wastewater produced from automobile painting-industry using microfiltration with and without coagulation pretreatment was studied.
采用直接微滤和混凝-微滤2种工艺对高浓度含磷废水进行了处理。
5)  yellow phosphorus wastewater
黄磷废水
1.
Comprehensive treatment of yellow phosphorus wastewater and iodine recovery from the wastewater;
黄磷废水的综合治理及碘回收工艺研究
2.
The two stage physico chemical process has been studied to remove fluoride in yellow phosphorus wastewater.
通过控制合适的pH、钙盐和磷酸的投加量、反应时间、反应温度、搅拌强度和絮凝剂的投加量,可使黄磷废水中氟的质量浓度降至5mg/L,氟的去除率达到99%以上,出水中氟的质量浓度达到GB8978—1996一级排放标准。
6)  waste water containing nitrogen and phosphor
氮、磷废水
补充资料:废水除磷
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性质:为防止水体富营养化而对废水进行除磷处理的过程。一般有物理化学法和生物除磷法两种。物理化学法主要是在废水中投加沉淀剂,使磷以不溶性的金属磷酸盐或羟基金属磷酸盐沉淀出来。生物法采用厌氧-好氧处理过程,利用活性污泥厌氧释磷和好氧吸磷,最终通过排放富磷的剩余污泥而达到除磷。水生植物在生长过程中从水体中吸收氮的同时也吸收磷,因此,也可利用水生植物除磷。

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