turbidity removal 中文意思是什麼

The result showed that mechanisms for the removal of turbidity from kaolin suspension by coagulation with ddmbac were charge neutralization and bridging. the coagulating property of ddmbac was comparable to as and pac

實驗結果表明:對高嶺土懸浮液， ddmbac的混凝除濁機理為電性中和及吸附架橋，其混凝除濁性能不亞于硫酸鋁和聚合氯化鋁。

When as or pac was used as a coagulant, coagulation removal of turbidity was enhanced at low ddmbac concentration ( 10mg / l ), but hindered at high ddmbac concentration ( 350mg / l ). however, its effect on pac was slightly smaller than that on as. ddmbac impacted the coagulation primarily through enhancement for charge neutralization and bridging of

低濃度的ddmbac （ 10mg / l ）可適當增強硫酸鋁和聚合氯化鋁的混凝效果，高濃度的ddmbac （ 350mg / l ）則顯著干擾混凝，但ddmbac對聚合氯化鋁混凝效果的促進作用不如對硫酸鋁明顯。

Study on removal of organic pollutants in high turbidity water by macromolecular flocculant

高分子絮凝劑對黃河高濁度水中有機污染物的去除研究

Putting the potassium permanganate into the filter can improve its effect, the removal of organics and ammonia is increased, the influent concentration can satisfy the water reuse standard. but the turbidity of influent is unsatisfactory. the c / n ratio is the key factor to influence the nitrogen - removal of the anoxic / aerobic two - stage baf when the reflux ratio 、 hydraulic loading and the ratio of gas to liquid in aerobic filter are fixed. the anoxic / aerobic two - stage baf has a good removal of organics at different c / n ratio when the reflux ratio is 2, hydraulic loading is 2. 55m ~ 3 / m ~ 2 ? h and the ratio of gas to liquid in aerobic filter is 3 : 1. the influent concentration of organics is blow 7mg / l. from the beginning to 30cm of the anoxic filter, the removal of the organics is significant ; as the c / n ratio increasing, the influent concentration of ammonia is decreasing. when the c / n ratio is 3. 60, the enfluent concentration of ammonia is 3. 05mg / l which satisfies the water reuse standard. when the c / n ration is less than 3. 60, because of the imperfection

迴流比為2 : 1 ，水力負荷為2 . 55m3 / m2 ? h ，好氧柱氣水比為3 : 1時試驗表明:不同的c / n （ 1 . 05 7 . 45 ）下，兩級曝氣生物濾池對有機物有很好的去除作用，出水有機物濃度小於7mg / l ，其中在缺氧柱進水端30cm內對有機物的去除最為明顯;隨著c / n的增加，系統出水氨氮濃度降低，當c / n為3 . 60時，出水氨氮濃度降到3 . 05mg / l ，已經滿足回用水的氨氮標準; c / n < 3 . 60時，因為缺氧柱的不完全反硝化，體系中硝酸鹽氮和亞硝酸鹽氮發生積累影響了好氧柱的硝化反應使氨氮降解效果較差;系統對總氮的去除隨著c / n的增加而增加，當c / n為3 . 60時，出水總氮已經降到11 . 18mg / l ，滿足回用水的要求。

The results show that uf is efficient for the removal of alga, microcystin and turbidity ; there is no obvious removal of fe, mn and normal removal for organic substance in the water by uf

結果表明，超濾對原水中的藻、藻毒素、濁度、細菌等有良好的截留效果，但對溶解性的有機物、 n 、鐵、錳等去除效果不佳。

Further, full - scale experiments were carried out and the results demonstrated that the up - flow filtration with coarse media was efficient in removal of suspended solid, backwash of cleaning, and long action cycle. an effluent turbidity of 1 ntu was always achieved with an average filtration rate of 20 m / h

生產規模的運行實驗顯示粗石英砂濾料上向流過濾對懸浮顆粒的去除是有效的，反沖洗干凈徹底，過濾周期長，當平均濾速為20m h時，出水濁度為1ntu 。

The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

本文的實驗主要是在天津芥園水廠的中試系統上完成的，論文的成果和結論主要包括： 1 ）通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種； 2 ）中試實驗確定粉末活性炭的較佳投加點為混合池投加，較佳投加量為10mg l ，此時可使濾后水的cod _ （ mn ）降低40 ，且可較好地控制濾后水的嗅味和色度； 3 ）初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內，投量增大時可吸附部分分子量大於6000的有機物4 ）中試實驗表明：粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果，且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用； 5 ）研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響：粉末活性炭的氧化改性會使其表面的酸性官能團大量增強，表面極性增加；經20的過氧化氫改性的活性炭在增大混凝劑投加量（ fecl _ 3投量為15mg l ）時對有機物的總體去除效果較原活性炭提高12 ， 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ； 6 ）研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響：經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ；負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力，一般可提高8左右。

Effect on removal of toc was arised along with increase the removal rate of turbidity, but there isn ’ t relation between uv254 and turbidity

此外， toc的去除率隨著濁度去除率的提高而增加，但uv254去除效果的提高和濁度的去除效果沒有必然的聯系。

However, although prechlorination efficiently removed algae, its effect was directly related to the quantity of algae and was more obvious in the period of algae bloom. with regard to yellow river water in winter with low temperature and low turbidity, it was discovered that preozonation did not result in a substantial removal of total organic carbon ( toc ), but a remarkable uv254. it was further revealed that preozonation changed the characteristics and structure of organic matters and then enhanced removal efficiencie s of them by subsequent processes

對于夏季高藻期水質，高錳酸鉀預氧化對有機物有一定的去除能力，並能提高后續工藝出水水質；預氯化能顯著去除藻類，但后續工藝出水水質受藻類數量影響明顯，預氯化只有在高藻期才能提高后續常規處理工藝出水水質；對于冬季低溫低濁水，預臭氧化雖不能降低水中有機物濃度，但能顯著提高后續常規處理單元出水水質。

The output signal of pda is affected by the suspended particle concentration, particle size, and the type and dosage of coagulant as well. by analysing the fi curve, it is found that the characteristic parameters of fi curve closely relate to aggregates size and turbidity removal the aggregates size and turbidity removal achieve the maximum when the amplitude of fluctuation is the maximum. the mean diameter and fractal dimension increase with agitation time, and finally reach a steady - state

通過對混凝過程的在線監測和對pda輸出信號fi曲線的數學解析表明： fi曲線綜合反映了懸濁液中膠體顆粒濃度和顆粒粒徑，混凝劑種類和投量很大程度上影響了fi曲線形狀， fi曲線的特徵值與絮凝體平均粒徑和濁度去除率之間具有良好的相關關系，在振幅最大處，濁度去除率達到最高，絮體平均粒徑最大，該條件下對應的投藥量為最佳投藥量。

This paper mainly studied the characteristics of ultrafiltration for the removal of bacteria, turbidity, and humic acid ( ha ). experiments were also carried out to examine the effects of turbidity and coagulation pretreatment on ha removal. the mechanism of uf separation was analyzed, and the uf flux decline was preliminarily discussed

本文主要研究了水中細菌、濁度和腐植酸的超濾特性，分析了超濾膜的分離機理，比較了不同截留分子量超濾膜對腐植酸的去除效果，同時研究了濁度物質和混凝預處理對腐植酸超濾效果的影響，初步探討了膜滲透通量下降的規律和原因。

The results show that uf is efficient for the removal of bacteria and turbidity with the 99 % removal of bacteria achieved and residual turbidity within 0. 02 ntu in the treated water ; the uf resulting toc and uv _ ( 254 ) removals of ha are 30 % and 40 % ; there is no obvious difference of ha removals between the uf membrane with a mwco of 10 kdaltons and the other one with a mwco of 1 kdaltons

實驗結果表明，超濾具有良好的滅菌和除濁功能，細菌去除率達99以上，過濾出水的濁度能控制在0 . 02ntu以內，直接超濾對腐植酸toc去除率為30左右， uv254的去除率達40 ，截留分子量為10萬道爾頓和1萬道爾頓的兩種超濾膜對腐植酸的去除效果無明顯差別。

Study on property of turbidity removal of pdmdaac flocculant series

二甲基二烯丙基氯化銨聚合物的除濁性能研究

The result shows that the optimum coagulation ph of isp is about 7 - 8. for aluminium sulfate ( al2 ( 804 ) 3 ), the optimum dose is 1. 875mgal / l, while for poly aluminium chloride ( pac ), the optimum dose is 1. 5mgal / l. both coagulants can achieve 90 % turbidity removal

實驗結果表明：無機懸浮顆粒體系的最佳混凝ph值在7 8之間，在硫酸鋁和pac混凝劑條件下的最佳投藥量分別為1 . 875mgal l和1 . 5mgal l ，兩者對濁度都能達到90左右的去除。