氧化溝工藝在水處理中的應(yīng)用與發(fā)展畢業(yè)論文外文翻譯-文庫(kù)吧資料
2024-11-17 14:55本頁(yè)面
【正文】 and try the ameliorative pond internal water dint term[12]. Current velocity is not all and the dirty mire sinks to accumulate the problem In Carrousel oxidize ditch, for acquiring its special admixture with handles result, mix with liquid must with certain current velocity is in ditch circulate generally, the lowest current velocity should should attain for an average current velocity for, doing not take place sinking accumulating ~ ms/ spirit equipments that oxidize the ditch is general to turn to brush for the spirit of to turn the dish with the spirit of , turning to brush of immerse to have no depth for 250~300 mms, turn the dish immerse to have no depth for 480~530 oxidize the ditch water the deep(~ ms) paring, turn to brush occupied the deep 1/10~ in water 1/12, turned the dish to also occupy the 1/6~ only 1/7, therefore result in to oxidize the ditch upper part current velocity bigger( roughly ~ ms, even larger), but the bottom currenvelocity is very small( especially at the water is deep 2/3 or 3/4 below, mix with the liquid has no current velocity almost), causing ditch bottom large quantity accumulate the mire( sometimes accumulate the mire thickness amount to a ms), the valid capacity that reduced to oxidize the ditch consumedly, lowered to handle result, affected a water fluid matter. Adding the top, downstream leads to flow the plank is a valid method that ameliorative current velocity distribute, increases the oxygen ability with the most convenient upper stream leads to flow the plank installs at be apart from to turn the places( upper stream) ： dish( turn to brush) axis, lead to flow plank high degree as the deep 1/5~ in water 1/6, bine the perpendicularity install in the surface。Such as the dirty mire grain small lower the spirit machine turn soon。Moreover, contain the oil in the waste water? Take place the dirty mire ascend after floating should pause enter water, broke off or dirty mire in clearance, judge the clear reason, adjust the dirty mire sinks to decline the sex bad, can throw to add of oagulate or sloth materials, the improvement precipitates the sex。t like to control very much in operate process its at two sink the pond stop over time, resulting in the anoxia easily, producing the corrupt and dirty mire ascend to float。t pletely and availably its obviation, parts of greases enriches to gather in in the dirty mire, through turn to brush the oxygen agitation, creation large quantity foam。The value of pH over low, can throw to add the lime regulate。If the dirty mire carries high, can increase MLSS, to adjust the burthen, necessity the hour can stop into the water, stuffy a period of time。At the same time, the ammoniawere too oxidized nitrate with second nitrate, this time, mix with the liquid be placed in the oxygen the spirit machine downstream, after water current be bee by the swift flow appearance of the spirit District of even flow the appearance, the water current maintains in the minimum current velocity, guaranteeing the live and dirty mire be placed in the floats the appearance.( average current velocity ms/ s)Oxidize microbially the process consumed to fuse the oxygen in the water, until the value of DO declines for zero, mixing with the liquid report the anoxia nitric that turn the function through anoxia area, mix with the liquid enter to have the oxygen area, pleting once system inside, the BOD declines the solution is a continuous process, the nitric turns the function to turn with the versa nitric the function take place in same of structural restrict, this kind of oxidize the ditch although can then valid whereabouts BOD, divided by the phosphorus take off the nitrogenous ability limited[7]. For the sake of the acquisition better divided by the phosphorus take off the nitrogenous result, Carrousel 2020 systems increased a oxygen District before mon Carrousel oxidize ditch with the unique oxygen area.( call again that the versa nitric in front turns the area)The dirty mire in all refluxes enters the anaerobic District with 1030% dirty water, can under the anoxia with 1030% carbon source term plete remaining of dirty mire in reflux inside nitric acid nitrogen to versa nitric to turn, creates for the unique oxygen pond of hereafter unique oxygen the same time, anaerobic District inside of concurrentl y the sex germs convert the dissolubility BOD VFA, the germ acquire the VFA its assimilation PHB, the energy source needed solves in the phosphoric water and cause phosphatic anaerobic District a water enters the inner part inst
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