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- Studying the distribution of oxygen demand over the aeration tank a design concept of sectional control of the DO concentration was proposed on the basis of oxygen transfer in wastewater. 本文通過對曝氣池需氧量及其分佈規律的探討,運用傳氧理論提出了分段控制曝氣池溶解氧濃度的設計概念。
- Water quality - Determination of chemical oxygen demand (COD). 水質。氧的化學消耗量的測定(重鉻酸鉀法)
- In order to reduce the operation cost,a small dynamic test was done with the simulation of the operation conditions of the aeration basin,and calcined soda is being replaced by limewater. 為了降低運行成本,採用小型動態實驗,模擬曝氣池的運行條件,將石灰水代替純鹼以中和水質。
- Comparative results of active characters:(1) Oxygen Uptake Rate(OUR): the change rules of OUR in two aeration basins are alike, but the active condition in Xindu is better than that in Lhasa. 對污泥活性的測定選取了好氧速率(OUR)和脫氫酶活性(DHA)兩項指標,結果表明:(1)兩地OUR值隨COD降解的變化規律一致,不同之處在於新啤污泥的活性好於拉啤。
- Biochemical oxygen demand(BOD)is one of the most important indexes in water monitoring. 生化需氧量(BOD)是水質監測中最重要的指標之一。
- The other curve shown in Fig 1.5 corresponds to the biochemical oxygen demand (BOD). 圖1-5的另一曲線相當於生化需氧量(BOD)曲線。
- Biochemical oxygen demand - BOD: A measure of the amount of pollution by organic substances in water. 生化物需氧量(簡寫為 bod):一種衡量有機物在水中的污染量的標準。
- The biochemical oxygen demand (BOD 5) of 47 substituted benzenes were determined. 測定了 47種取代苯類化合物在松花江水中的 5日生化需氧量 (BOD5) .
- A Preliminary Study on the Quality Control about Determinations of Biochemical Oxygen Demand after 5 Days (BOD 5). 淺談BOD_5的質量控制
- Through applying the expert system, users may find aerators that achieve comprehensive optimization simultaneously with respect to those targets of the purchase fee, the operation fee, the area of aeration basin, as well as the treatment efficiency. 用戶通過本專家系統可以迅速選擇到兼顧購買費用、使用費用、佔地面積和處理效率等目標的曝氣器。
- They are commonly measured in units of biochemical oxygen demand (BOD), or the amount of oxygen needed to decompose them. 常常使用生化需氧量,即有機物分解所需的氧這個單位進行測量。
- Data collected in the survey was used to review the generic chemical oxygen demand (COD) values of trades subject to the Trade Effluent Surcharge (TES) scheme. 所收集的數據用於檢討計劃下適用於各行業的基本化學需氧量。
- The comparing of pusher aeration basin and completely mingled basin 推流式與完全混合式曝氣池的比較
- Real-time monitoring of chemical oxygen demand in water and EW-2100 UV absorption water quality automatic on-line monitor. 水體化學需氧量實時在線監測與EW-2100紫外吸收水質自動在線監測儀
- Numerical simulation of gas-liquid two-phase flow in aeration basin 曝氣池中氣液兩相流數值模擬
- The chemical oxygen demand(COD)and thebiochemical oxygen demand in 5 days(BOD5)of prime sewage were more than paddy field wa-ter in SIA. 原污水的化學需氧量(COD)和5日生化需氧量(BOD5)高於污灌區稻田水;
- Improvement of Biochemical Oxygen Demand (BOD_5) Determination Method and Graphical Method of Handling BOD Test Results. 生化需氧量(BOD_5)測定方法的改進和數據的圖解法處理
- The results showed that the removal efficiency of chemical oxygen demand (COD) and decoloration efficiency were above 95%. 結果表明,經過該法處理后,廢水中的化學需氧量(Chemical Oxygen Demand ,COD) 和色度的去除率都在95 %25 以上。
- BOD(biochemical oxygen demand)is an important index to eva-luate the quality of water in environmental monitoring and sewage treatment. BOD;即生化需氧量;是環境監測與污水處理中評價水質的一項重要指標.
- After the treatments, the amount of oxygen demands can reach: COD<65 mg/L. 處理后污水化學需氧量可以達到 :COD <6 5mg/L。