Economic Continuous Melting and Degassing Furnace for Al Alloy;
节能型铝合金连续熔化－去气炉
Slag removal is the main process with the aid of degassing in purifying liquid.
结合生产应用实践 ,简述了ZL2 0 5A铝合金熔体的净化工艺及其影响因素 ,提出铝液的净化应以除渣为主 ,去气为辅。
The toluene removal efficiency 90% was obtained when specific energy input,electrode gap distance,electrode thickness,gas flow rate,inlet concentration of toluene were 0.
为了研究滑动弧放电等离子体对挥发性有机物的净化效果,选取甲苯作为代表物质进行实验研究,观察了电极间隔、电极材料、电极厚度、氧气含量、水汽含量、气流温度、污染物质量浓度等参数对去除率的影响。
Results indicated that application of CGA joined with the general column flotation can make the final removal efficiency of Cu(.
用阴离子表面活性剂十二烷基硫酸钠(SDS)制备胶质气体泡沫并将之引入浮选柱,以胶质气体泡沫为浮选载体并通入常规浮选气泡对预先装入浮选柱的模拟含Cu(Ⅱ)废水进行浮选分离实验,考察了pH值、铜离子初始浓度、SDS用量和絮凝剂的添加对Cu(Ⅱ)去除率的影响。
The removal efficiency is 97.
h-1时,去除率可达97。
A research on the effects of COD/SO_4~(2-) ratio to sulfate removal rate;
COD/SO_4~(2-)比值对硫酸盐去除率影响的研究
Study on analysis method and removal rate of the pesticides residue in vegetables
蔬菜中农残分析方法及残留农药去除率的研究
When treating automotive exhaust by the dielectric-barrier discharge reactor with modified fly ash pellets bed as catalyst,the removal rates of NO,HC and CO under different pulsed voltage,pulsed frequency,discharge space and gas flow are investigated.
针对汽车尾气防治,自制了介质阻挡放电催化反应器,并以改性粉煤灰小球为催化剂对汽油机尾气进行处理,研究了脉冲电压、脉冲频率、放电间隙及气体流量qV等对NO、HC和CO去除率η的影响。
The effects of operating conditions such as ultrasonic frequencies,ultrasonic powers,Fenton's reagent dosage and pH value on color and COD removal were investigated.
研究内容包括:超声波频率对垃圾渗滤液色度和COD去除率的影响,超声波功率对垃圾渗滤液色度和COD去除率的影响以及Fenton试剂用量和pH值对垃圾渗滤液色度去除率和COD去除率的影响。
It was shown that the COD removal rate of sodium bentonite is 38.
膨润土应用于城市污水的吸附研究结果表明:膨润土原矿对废水中COD去除率为38。
Under these conditions,the COD removal is about 88 % when hydrogen peroxide is put in wastewater by one time.
对采用Fenton试剂处理苯酚废水进行了研究,探讨了n[H2O2]、n[Fe2+]/n[H2O2]、pH值、反应温度、反应时间等因素对COD去除率的影响,确定了最佳处理条件:n[H2O2]=13 mmol/L,n[Fe2+]/n[H2O2]=1∶10,pH=3,温度为30℃,反应时间为60 min,COD去除率在88%左右。
The relationship between the removal efficiency and the applied voltage was established.
采用正极性高压直流供电和串齿线放电极——管式接地极构成的放电等离子体反应器,研究了苯系物(苯、甲苯和对二甲苯)去除效率与供电电压之间的关系,以及放电极齿轮数对苯系物去除效率、COx(CO2+CO)生成量和能量效率的影响。
Biotrickling filters were used to remove volatile organic compounds (VOCs) with removal efficiency affected by many factors including biofilm media, nutrient supply and incoming gas flow rate, which was supposed to help choose suitable parameters to design and operate biotrickling filters for VOCs removal.
生物滴滤器用于处理挥发性有机物,有机物的去除效率受到许多因素的影响。
This study discussed the effect of applied voltage on the removal efficiency and electrical energy consumption of electrokinetic remediation kaolin polluted by hexavalent chromium at laboratory scale.
试验完成后,计算每组试验的去除效率和电能消耗,从电流变化角度分析施加电压与去除效率和电能消耗的关系。
Through degrease disposing, 98% of greasy impurity and 95% of iron impurity attached on the surface of steel strip can be removed.
带钢经脱脂处理其表面油杂质去除率达98%、铁杂质去除率达95%。
Influence of Low Temperature on Removal Efficiency of COD in High Salinity Waste Water
高盐废水中低温对COD去除率的影响
Study on Surface Quality and Material Removal Rate of Wafer Ultra-precision Grinding;
硅片超精密磨削表面质量和材料去除率的研究
Research on the DRE of Waste Liquids with Organic Sulfide and Organic Nitrogen;
含硫、含氮有机物焚毁去除率的试验研究
The Removal of COD of Different Depth in the System of Constructed Sloping Lands;
人工坡地不同深度COD去除率的变化研究
Research on COD/SO_4~(2-) Ratio on Sulfate Removal Rate;
COD/SO_4~(2-)值影响硫酸盐去除率的试验研究
The Bacteria of Film on Ceramist and COD,TN Removal Rate
陶粒生物膜上的细菌组成及其对COD、TN的去除率
Study on analysis method and removal rate of the pesticides residue in vegetables
蔬菜中农残分析方法及残留农药去除率的研究
Analysis of Heavy Metals Removal through A~2/O Process of Municipal Wastewater Treatment in Yantai City
某城市污水A~2/O处理过程中重金属去除率分析
FACTORS OF EFFLUENT NH_3-N REMOVAL RATE OF WASTEWATER LAND TREATMENT
污水土地处理NH_3-N去除率的影响因素研究
The Factors of Effluent COD Removal Rate of Wastewater Land Treatment
浅议污水土地处理COD去除率的影响因素
An exploration into the sulphide precipitation method and its effect on metal sulphide removal
硫化物沉淀法及其对金属硫化物去除率的探讨
Elman Model in Prediction of COD Removal Rate of Booster Explosive Wastewater
基于神经网络的传爆药废水COD去除率预测研究
Removal Efficiency of TP and COD of Waters by Caisson Microecology Control System
沉床微生态控制体对水体TP及COD的去除率研究
Comparison the nitrate removal rate in celery during different soaked solutions
不同浸泡方式对芹菜中硝酸盐去除率的比较
THE EFFECTS OF ALCOHOL ON DIESEL OIL-WATER SURFACE/INTERFACIAL TENSION AND DIESEL OIL REMOVAL EFFICIENCY FROM SAND COLUMN TESTS
醇-柴油间界面张力及对砂柱柴油去除率的影响
The COD Degradation Efficient of Algae in Paper Industry Wastewater
藻类对造纸废水中COD的去除效率研究
The Study on Elimination Efficiency for NO_x in Tunnels with the Soil Matrix
土壤基质对隧道内NO_x去除效率的研究