仙人掌通过让沉淀物和细菌聚集成小的絮状物从而在15分钟内去除了98%的细菌,这些絮状物可以很容易地过滤掉。
The cactus removed 98 per cent of bacteria within 15 minutes by clumping sediment and bacteria into small 'flocs' - clumps of particles floating in water - that could easily be filtered out.
污泥回流对平流式沉淀池去除率的影响分析。
Analysis of Effect of Sludge Recirculation on Setting Efficiency in Horizontal Sedimentation Tank.
铅去除的机理为吸附和沉淀。
摘要:葡萄酒中的沉淀物到底是何方神圣?对人体有没有害?应该如何去除?本文将一一为你解答。
ABSTRACT: What on earth is wine sediment? Is it harmful to human beings? How can we get rid of it? This article will give you the answer.
将沸石作为生物滤池的填料,与混凝沉淀、超滤组合后用于处理微污染地表水,考察了其对污染物的去除效果。
The removal efficiency of pollutants from micro-polluted source water by the combined process of zeolite biofilter , coagulation sedimentation and UF was investigated.
利用分步中和—沉淀方法去除高浓度镀铬废水中重金属离子杂质。
Using the method of stepwise neutralization precipitation, the impurities of heavy metal ion in chrome plating effluent with high concentration are removed.
印染废水采用混凝沉淀及砂过滤前处理工艺,可去除几乎全部浊度及部分色度。
For printing and dyeing waste water, adopting the technology of coagulation sediment and pre-processing sand filtration is capable of removing almost all turbidity and partial chroma.
从本质上讲,絮凝工艺是专门用以改变悬浊液中颗粒粒度分布的,沉淀和过滤工艺也只能去除某些具有一定粒径的颗粒。
Essentially, flocculation process is used to change particle size distribution of suspension, and units of sedimentation and filtration can only remove particles of a certain grain size range.
试验过程中还发现,装置的混凝沉淀阶段对水源水中各种污染物的去除起主要作用。
During the experiment, it is also found that coagulation and sedimentation can remove most of the pollutions in raw water.
磷的去除尚需化学沉淀的方法得以实现。
Chemical precipitation of phosphorus removal methods still need to be used.
为了考察SS去除率不理想的原因,对生化过程和沉淀过程进行了分析。
The biochemical process and precipitatation process were analyzed to solve the problem with low removal rate of SS.
该工艺采用焙烧法将污泥中的金属组分同类分离,并结合黄钠铁矾沉淀法去除杂质铁等工艺对铜、镍、铬进行了回收利用。
Different metals are separated from the electroplating sludge by roasting and copper, nickel and chromium were recovered with suitable methods such as removing iron by sodium jarosite precipitation.
研究表明,适当时间的臭氧预处理可以很好的强化混凝沉淀效果,提高废水中COD的去除率和降低色度。
The results showed that coagulation precipitation can be improved by proper time preozonation, the removal of COD and colorness in the waste water are improved as well.
采用改进铁氧体共沉淀法,用石灰乳溶液作中和剂,从污泥浸出液中去除铜、锌。
Copper and zinc in sludge extract were removed by improved ferrite coprecipitation process using lime milk as neutralization reagent.
酸浸过程去除了可能与主处理液反应的物质,这些物质会产生不希望产生的二次反应或损害近井地层的沉淀物。
The pickling process removes materials that may react with the main treatment fluid to create undesirable secondary reactions or precipitates damaging to the near-wellbore reservoir formation.
本产品能有效去除矿物质沉淀物及粘硬水膜,经济实用。
The product effectively removes mineral deposits and hard water films. It is economical to use.
利用共沉淀水热法制备了镁铝阴离子粘土材料,研究了其水溶液对砷酸根离子的去除能力。
Mg - Al anionic clay was prepared by coprecipitation and the hydrothermal method, and the removal of arsenate anions from the clay's aqueous solution was investigated.
通过加入碱以沉淀氢氧化锌而可以从得自炉灰的混合金属溶液中去除锌。
Zinc can be removed from mixed metal solutions obtained from furnace dust by adding base to precipitate zinc hydroxide.
混凝沉淀池和接触氧化池对LAS的去除率分别达到50 %以上和98%以上,但水解酸化池对LAS的去除率较低。
50% and 98% of LAS are removed in coagulation sedimentation and contact oxidation process respectively. But the LAS removal in hydrolysis acidification unit is still low.
利用硫酸盐还原菌生物还原硫酸盐的过程中同时可将重金属化学沉淀为难溶金属硫化物而去除。
Biological reduction of sulfate with sulfate-reducing bacteria (SRB) can chemically precipitate heavy metals and remove the insoluble metal sulfide at the same time.
同时,混凝、絮凝沉淀及砂滤法等化学、物理方法对于去除SBR出水中的COD也是可行的。
At the same time, the chemical and physical methods of coagulation, flocculation, settlement and sand filtering process are also feasible to remover COD in SBR effluent.
影响cod去除率的最主要因素为曝气量,曝气时间、沉淀时间也有一定影响。
Main factors affecting COD removal rate were orderly aeration volume, aeration and settling duration.
在无电镀镍浴中因次磷酸根氧化而产生的亚磷酸根离子,可以通过碱金属或碱土金属阳离子如钙的沉淀作用而去除。
Orthophosphite ions produced by oxidation of hypophosphite in an electroless nickel plating bath can be removed by precipitation with an alkali metal or alkaline earth metal cation such as calcium.
该工艺在传统的化学混凝的基础上将沉淀池内的污泥回流至化学生物絮凝池,利用化学混凝和污泥吸附的协同作用去除污水中的污染物。
The cycle sludge was pumped to chemical biological flocculation tank and the pollutants were removed by co-operation of chemical coagulation and biological adsorption.
离子交换技术处理重金属废水,既可实现废水中重金属的去除,有可回收废水中的重金属,避免化学沉淀法处理重金属废水时产生大量的污泥。
The wastewater was treated by ion exchange technology, heavy metal ions could be removed and could be recovered, and avoided much sediment from wastewater treated by chemic-Sedimentation.
主要的去除机理包括吸附、表面络合、溶解-沉淀以及重金属离子与晶格中之间的离子交换作用。
Removal mechanisms include ad-sorption-sorption of cations on the apatites, surface-complexation, dissolution-precipitation and ion-exchange between the aqueous cations and the lattice Ca2+.
同时,使藻类的去除率提高到90%以上的气浮与沉淀固液分离去除藻类的方法。
Meanwhile, the invention also provides the method for removing algae by flotation and sedimentation solid-liquid separation, which increases the removing rate of the algae to over 90 percent.
同时,使藻类的去除率提高到90%以上的气浮与沉淀固液分离去除藻类的方法。
Meanwhile, the invention also provides the method for removing algae by flotation and sedimentation solid-liquid separation, which increases the removing rate of the algae to over 90 percent.
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