查询词典 sludge

The effects of an uncoupler on the result of the treatment by activated sludge process and the yield of sludge were analyzed and studied using batch-sequential test method with 2,4-dinitrophenolas the uncoupler,and the mechanism of the generation of such effects was expounded.

简介： 以2，4_二硝基酚为解偶联剂，采用序批式实验分析研究了投加解偶联剂dNP对活性污泥法处理效果和污泥产率的影响，并阐述了这种影响产生的机理。

The effects of an uncoupler on the result of the treatment by activated sludge process and the yield of sludge were analyzed and studied using batch-sequential test method with 2,4-dinitrophenolas the uncoupler,and the mechanism of the generation of such effects was expounded.

以2，4_二硝基酚为解偶联剂，采用序批式实验分析研究了投加解偶联剂dNP对活性污泥法处理效果和污泥产率的影响，并阐述了这种影响产生的机理。

To determine whether chemical additions can be used to reduce sludge production in biological wastewater treatment, 3,3′,4′,5-tetrachlorosalicylanilide, served as a metabolic uncoupler was added to activated sludge cultures.

采用 3，3′，4′，5 四氯水杨酰苯胺作为代谢解耦联剂添加到活性污泥工艺中，连续曝气分批培养实验结果表明，TCS在浓度高于 1 0mg/L时是一种有效的化学解耦联剂，能显著地降低污泥产率。

Keywords: Activated sludge process;Excess sludge reduction;3,3'',4'',5-tetrachlorosalicylanilide;Uncoupler;OSA process

中文关键词：活性污泥工艺；剩余污泥减量化；3，3''，4''，5-四氯水杨酰苯胺；解耦联剂；OSA工艺

In this thesis, the mechanismof action of using the chemical uncoupler reducing the excess sludge productionare discussed, several common chemical uncoupler and their effectiveness areintroduced, the potential problem of using the chemical uncoupler reducing theexcess sludge production and the further research direction are put forward.

本文阐述了用化学解偶联剂减少剩余污泥产量的作用机理；结合国内外研究现状，分别介绍了几种常用的化学解偶联剂及其作用效果；并提出了在活性污泥工艺中加入化学解偶联剂存在的问题以及将来的研究方向。

The fresh dewater digested sludge of municipal wastewater treatment plant was suited for vaccinal sludge at the startup of anaerobic reactor and the concentration should not be less 10mg/L; the COD of feed wastewater should be lower than 5000mg/L, and VOL was 20 percent of total VOL; the alkalinity of effluent should be more than 3000mg/L; on the condition of the COD removed 80% can the VOL be elevated.

反应器启动时接种污泥可以选用城市污水处理厂新鲜的脱水消化污泥，浓度不低于10mg/L；进水有机物浓度不高于5000mg/L，容积负荷为满负荷的20％；出水碱度要高于3000mg/L，温度稳定；在有机物的降解率达到80％后再提高负荷。

Sewage sludge contains various kinds of pathogenic bacteria and heavy metals, which may cause serious environmental pollution if without correct dispose. On the other hand, sludge also contains various kinds of nutritious elements which are necessary for plant growth. It would be resources wastement if it is not reasonably utilized.

污泥中含有大量的病原体、重金属等有害物质，如不加以有效的处置，必将产生严重的二次污染；但是污泥中还含有大量的有机物和植物生长所需的营养物质，如不加以合理的利用，又是资源的巨大浪费。

in this paper, the analysis and summarize of filamentous bacteria caused sludge bulking phenomena have been conducted. based on generalized monod model, an unified theory for sludge bulking has been proposed.

环境摘要：本文对丝状菌污泥膨胀现象进行分析和综合，并在广义的monod方程的基础上，提出了统一的污泥膨胀理论。

In this paper, the analysis and summarize of filamentous bacteria caused sludge bulking phenomena have been conducted. Based on generalized Monod model, an unified theory for sludge bulking has been proposed.

本文对丝状菌污泥膨胀现象进行分析和综合，并在广义的Monod方程的基础上，提出了统一的污泥膨胀理论。

This article, based on key technique and different objective conditions in terms of geography and geology, such as soft soils, shallow water, and heavy sludge seen in ChangHong tunnel, presents features of key construction technique in ChangHong Project, such as slope stability and bottom settlement control in dry dock, cracks control and freeboard control technique respectively for element fabrication, pile foundation construction, and piles-tube connection technique, such technique like, sludge cleanup in immersion trench, and element sinking/positioning technique together with element joint (including connection to abutment and final joint).

文章根据沉管隧道工程建设的关键技术和宁波常洪隧道工程土软、水浅、淤重等客观地质地理环境条件，介绍了宁波常洪沉管隧道工程的施工技术特点，如干坞边坡稳定和管底基础变形的控制技术、本体防水混凝土管段制作的裂缝和干舷控制技术、管段江中桩基基础的施工和其与管底连接的技术工艺、管段基槽清淤和沉放定位施工技术，以及管段接头连接（包括与岸边段的连接和最终接头）的施工技术等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。