| TraK装置测定废水中的BOD_5 |
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| 引用本文： | 刘会容.TraK装置测定废水中的BOD_5[J].油气田环境保护,2004,14(3):41-42. |
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| 作者姓名： | 刘会容 |
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| 作者单位： | 南充炼油化工总厂污水处理车间 |
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| 摘 要： | 在对废水中的BOD5进行常规分析时,采用化学稀释法操作繁琐,对稀释倍数估计易发生错误。而利用TraK装置测试样品时,无须进行稀释和化学分析。用该装置对标准样品BOD5的测定结果表明:准确度相对误差为-3.3%～4.3%,精密度的相对误差为-3.5%～5.6%。该仪器测试性能可靠,数据准确度、精密度合格。与化学法对照分析表明,相对误差都在容许范围内,即在可接受范围内。
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| 关 键 词： | 废水处理 TraK装置 生化需氧量 测定方法 准确度 相对误差 |
| 修稿时间： | 2004年2月19日 |
Determination of 5-Sample Biochemical Oxygen Demand Using TraK Equipment |
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| Liu Huirong.Determination of 5-Sample Biochemical Oxygen Demand Using TraK Equipment[J].Environmental Protection of Oil & Gas Fields,2004,14(3):41-42. |
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| Authors: | Liu Huirong |
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| Institution: | Sewage Disposal Workshop of Nanchong Chemical Refinery |
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| Abstract: | The differential-pressure equipment TraK can be used to measure the 5-sample biological oxygen demand in water sample by physical method. The water samples for this equipment need not to be diluted and tested chemically. This method is more convenient than the chemical dilution method. This equipment is very easy to be operated and has good accuracy and fit precision. The measured result is perfectly consistent with that of chemical dilution method for the same wastewater sample. The relative error is permissible. |
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| Keywords: | waste waster treatment 5-sample biological oxygen demand TraK equipment accuracy relative error |
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