濃污水 的英文怎麼說
中文拼音 [nóngwūshuǐ]
濃污水
英文
strong sewage- 濃 : 形容詞1. (液體或氣體中所含的某種成分多; 稠密) dense; thick; concentrated 2. (程度深) (of degree or extent) great; strong
- 污 : Ⅰ名詞(臟水; 臟物) slops; sewage; dirt; filth Ⅱ動詞(弄臟) defile; dirty; smear Ⅲ形容詞1 (臟)...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 污水 : sewage; slops; effluent; drainage; foul water; polluted water; waste water
-
And it can also be used in water with high organic contents, such as lagoons or stagnant catch basins
較有效,亦可在較高濃度有機物質的環境下(如污水處理池、濾水池等)使用。The dilution of the textile wastes by domestic sewage weakens the concentration of the former.
由於生活污水的稀釋作用,降低了紡織廢水的濃度。According to the thermodynamics analysis of spontaneous mineral of iron, we assumed : when sewage disposal, if sulphur is eliminated prior, this makes the consistency of iron ' s ion keep high relatively, it will react with phosphorus, produce heterosite, vivianite precipitate. this will decrease the interior load of the phosphorus in sediment, and reduce the consistency of the phosphorus in the dianchi lake
根據鐵的自生礦物的熱力學分析,提出設想:如果在污水處理時,優先脫硫,就使鐵離子的濃度保持較高,與磷生成磷鐵礦、藍鐵礦沉澱,就可以減輕沉積物中磷的內源負荷,進而降低滇池湖水中的磷的濃度。4. in order to simplify the complex of the asm2, we give some assumes ( ( 1 ) the concentration of s02 is 0 in the anaerobic pool and big enough in the aerobic pool ; ( 2 ) the ph in the pools is in the rang of 6. 3 ~ 7. 8, which is a limitation of asm2 ; ( 3 ) ignoring the infection of salk ; ( 4 ) the separation of solid and liquid in the final pool is completive. )
為適當簡化模型的復雜性,先進行一定的條件假設(厭氧池中s _ ( o2 )濃度為0 ,好氧池中曝氣充分;池中ph值穩定在asm2的適用范圍6 . 3 7 . 8之內;不考慮堿度salk對污水處理反應過程的影響;二沉池中固液分離完全。In concessionary agreement section, the participators have presented some problems which are difficult to confirm, such as toll, invoice, payment, etc. in view of industries " and denizens " economic abilities, it ' s not practical to run the sewage treatment plant only to rely to increase the discharge toll. so on the one hand, it ' s necessary to allow to discharge higher consistency and increase toll accordingly ; on the other hand, to reuse wastewater and sludge
考慮到排污企業和居民經濟上的承受能力,單純靠提高污水處理收費標準來保證污水處理廠的持續運行是不現實的,因此項目一方面適當的提高了允許排入污水處理廠的污水濃度和污水處理價格,同時增加了中水回用方案和污泥處理方案,從其它途徑解決了污水處理收費偏低和投資者一定的投資回報要求之間的矛盾。The equation describing the relationship between the sewage concentration of one position and the sewage discharge quantities of the same position and the upriver position has been established, and the volume of sewage that each position discharges has been calculated
利用各個站點污染物濃度與該站點排污量和上游站點污水量之間的關系式,求出各個站點的排污量。Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,
具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象,在闡述了曝氣過程式控制制參數選取可行性的基礎上,建立了以溶解氧濃度do和活性污泥排放量qw為控制變量,以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論,在現有關于污水處理最優控制問題研究的基礎上,建立了有約束條件多變量能耗最小數學模型,該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件,曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化,並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元,應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解,並進行模擬實驗驗證。In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
文摘:本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的A unified scheme has been developed for virus concentration from tapwater, seawater, and sewage.
已經研究了一種可以從自來水、海水和污水中濃縮病毒的統一程序。And the relation between these velocity was analyzed at last. this is the conclusion : ( 1 ) the distribution of the velocity and concentration are get in the open channel flow and as the sewage flow is gravity flow, the equations is fit for this too. ( 2 ) generally speaking, the self - cleaning velocity should be the starting velocity, and it could fit for the self - cleaning target in limited sense theoretically, but when facing some higher requirement, it is not large enough
最後結合污水流動的最小設計流速與顆粒起動流速、臨界不淤流速的關系進行了分析,結論如下: ( 1 )文中所得出的速度分佈與濃度分佈是在明渠兩相流動情況下推得的,由於污水管道流動多為重力流,是明渠流中的一種,所以文中的分析在認識污水流動特性方面具有一定的參考價值。6. the irrigation using polluted water with high organic matter and tn is good for plant growing and environmental improvement, and the clear water for irrigation is not economic
潔水灌溉是不經濟的,農田對于高濃度有機氮污水有很好的降解和吸收養分的功效,用不含重金屬和有毒物的污水進行灌溉有助改善環境。James c , perry l mccarty. the anaerobic filter for waste treatment j. j wpcf, 19 69 , 41 ( 5 ) : r160 - r173
國家環境保護局.低濃度污水厭氧?水解處理工藝m .北京:中國環境科學出版社, 1991Reverse osmosis is in a salt water such as raw water than natural infiltration to exert greater pressure on the pressure and make the water from the high concentration side infiltrate low concentrations party to the original edema water pressure to the membrane elements on the other side into pure water and raw water minor impurities, colloid, organic matter, heavy metals, bacteria, viruses and other harmful substances and are all retained from the sewage discharge into export
反滲透就是在有鹽份的水中如原水施加比自然滲透壓力更大的壓力,使水由濃度高的一方滲透到濃度低的一方,把原水腫的水分子壓到膜的另一邊變成純凈水,而原水中的細微雜質膠體有機物重金屬細菌病毒及其他有害物質都統統截留下來並經污水出口排放掉。由於反滲透膜的孔徑僅0 . 0001Fuzzy control system for cod of wastewater treatment commendably solves the problem that the mathematic model is difficult to obtain in wastewater treatment, which offers a practical approach for cod concentration automatic control in the treatment of wastewater. control request is met by off - line achievement of fuzzy control table, which can be modified conveniently according to object controlled and experiment results
污水處理的cod模糊控制系統很好的解決了污水處理中cod數學模型難確立的問題,為污水處理的cod濃度的自動控制提供了一條切實可行的途徑;模糊控製表的離線生成,可根據被控對象,試驗運行結果方便的修正控製表,達到控制要求。Qiandaohu lake was very famous for its clean water quality. but in recent years the water body has become seriously eutrophic especially during summer months in some areas of the lake and came to the attention of national, provincial and city environment protection agency. the main objective of this study involved the following : sampling and monitoring water from the lake ; water quality assessment and biological assessment ; ascertain the limiting factors for phytoplankton growth ; fuzzy cluster analyse of water pollution of all sampling points ; predicting total phosphorus concentration in the lake by using static models ; setting up regression models and their application ; setting up an eco - dynamic model and its simulation
本研究根據1998 - 2000年連續監測數據,對千島湖進行了水質評價和生物評價;分析了千島湖水體富營養化的限制性因子;同時根據千島湖各個取樣點的污染狀況,對千島湖進行水環境質量區劃;利用前人的經驗統計模型預測了千島湖現有的磷濃度水平及治理所需要削減的污染物負荷量;並且組建了多個回歸統計模型,運用這些模型預測千島湖水體中的總磷濃度;最後根據多年水質、底質、生物等方面的監測數據以及千島湖流域的氣象和社會經濟狀況的資料組建機理性的千島湖富營養化模擬模型。Article 8 paragraph 8. 1 the facility operator shall ensure that in the areas outside the radiation workplace, the level of radiation caused by its practice as well as the concentration of radioactive material in water, air and sewerage does not exceed the limits of the safety standards for protection against ionizing radiation
第8條設施經營者應確保其輻射作業對輻射工作場所以外地區造成之輻射強度與水中、空氣中及污水下水道中所含放射性物質之濃度,不超過游離輻射防護安全標準之規定。After experiment on bw from beijing - chengdu 1364 train on chengdu railway station, we draw a conclusion : the bw quality with the characters of three highs : high concentration of organic matters ; high concentration of ammonia nitrogen and high concentration of suspended substances
通過調研資料和在成都鐵路局以北京成都1364次列車所卸糞便污水的水質實驗,得出其特點是「三高」 :高氨氮濃度、高有機物濃度,高懸浮物濃度。Treating low concentration wastewater by moving bed biofilm reactor
移動床生物膜反應器處理低濃度污水的性能Research work of the lab is focused on biological wastewater treatment ; biological nutrient removal ; microbiology of bnr ; automatic & intelligent control of activated sludge process ; wastewater treatment equipment of an organic whole ; sludge disposal ; micropollution treatment ; wastewater reuse ; management information system ( mis ) of water environment and waste water treatment et al
本研究室研究方向:以污水生物處理為主、污水脫氮除磷技術、污水處理系統的自動控制與智能控制、污水處理設備成套化、分子生物學在污水處理方面的應用、高濃度難降解工業廢水處理新技術、污泥處理與資源化、微污染水源水處理、城市污水資源化與再生利用、水環境與排水工程的地理信息系統等。分享友人