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요약정보
二次沉淀法深度处理工艺废水中的铍试验研究 / Advanced Treatment of Beryllium in Process Wastewater by Secondary Precipitation
Resource Type
Academic Journal
Authors
叶开凯
;
苏学斌
;
张佳宇
;
刘康
;
康绍辉
;
周志全
;
曹令华
;
YE Kaikai
;
SU Xuebin
;
ZHANG Jiayu
;
LIU Kang
;
KANG Shaohui
;
ZHOU Zhiquan
;
CAO Linghua
Source
湿法冶金 / Hydrometallurgy of China
. 42(3):302-305
Subject
二次沉淀
铍
铀
氟
石灰
聚合氯化铝
Language
Chinese
ISSN
1009-2617
Online Access
Find it @ DONGA
초록
研究了采用石灰一次沉淀—硅胶吸附/絮凝沉降—石灰二次沉淀法深度处理工艺废水中的铍,分别考察了硅胶吸附法和絮凝沉降法对石灰一次沉淀滤液中微量铍的去除效果.结果表明:石灰一次沉淀自然沉降速度快,过滤速度快;絮凝沉降法对一次滤液中微量铍的去除效果优于硅胶吸附法;聚合氯化铝和聚合硫酸铁用量分别为 20 g/t和 40 g/t时,石灰二次沉淀滤液中铍质量浓度可达到排放标准,聚合氯化铝沉降絮凝剂用量较少,沉降性能更佳;经石灰一次沉淀—聚合氯化铝絮凝沉降—石灰二次沉淀法深度处理后的废水中,铀、铍、氟去除率分别达 99.99%、99.99%和 97.35%,可达到外排标准.
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