Sodium formate from waste alkali liquor was analyzed by perchloric acid nonaqueous titration instead of potassium permanganate method, which caused larger deviation. 采用高氯酸非水滴定法分析废碱液中的甲酸钠,代替了误差较大的高锰酸钾法。
A new process for recovering valuable organic acids from waste alkali liquor in cyclohexane oxidation is introduced. 介绍了一种从环己烷氧化废碱液中回收高价值有机酸的新方法。
The treatment of spent alkali liquor with wet air oxidation ( WAO) has been developed for some years. 应用湿式主气氧化处理废碱液已有多年历史。
PH calculation in acid and alkali liquor the development of the magnesium naphthenate with super-high base number 酸碱溶液中pH值计算超高碱值环烷酸镁研制
Treatment of waste alkali liquor in ethylene unit by atmospheric oxidation process 空气氧化法处理乙烯装置的废碱液
Improvement is made on evaporation and concentration technology of saponification waste alkali liquor: exterior heating inner pipe boiling rising membrane evaporator is innovated into an exterior heating boiling forcefully recycling evaporator, and an evaporation assistant is added in the saponification waste alkali liquor. 对皂化废碱液蒸发浓缩技术进行了改进:将外加热式管内沸腾升膜蒸发器改造为外加热式管外沸腾强制循环蒸发器,并在皂化废碱液中添加蒸发助剂。
Study on the method of absorbing CO_2 and H_2S simultaneously via waste alkali liquor and the mass transfer model 废碱液同时吸收CO2和H2S方法与传质模型的研究
The Experimental Research on the Dissolution Characteristics of Indissoluble Glauberite in Alkali Liquor 难溶性盐钙芒硝在碱液中溶解特性的实验研究
A Technique Research on Disposing Alkali Pulp-making Black Liquor with Bagasse by Recovery and Recycle Suitability 碱法蔗渣制浆黑液循环处理技术研究
Improvement on Evaporation and Concentration Technology of Saponification Waste Alkali Liquor 皂化废碱液蒸发浓缩技术的改进
An experiment of sulfate cooking of bamboo was carried out after the compound of anionic and nonionic surfactant ( AO-ⅱ) as cooking additives was thoroughly mixed with alkali liquor. 以阴离子表面活性剂和非离子表面活性剂的复配物(AO&Ⅱ)作为蒸煮助剂,与碱液充分混合后进行竹子的硫酸盐法蒸煮实验。
The mixture quartz sand filter media, modified by acid liquor, alkali liquor, both acid liquor and alkali liquor respectively, can he applied to direct handle of filtrated drinking water& micro-flocculate of low turbidity. degree and low chroma. 分别经酸液,碱液和先酸液后碱液浸泡改性的混合石英砂滤料,应用于低浊度低色度原水的微絮凝一直接过滤的饮用水处理。
The Status and Progress of Wet Air Oxidation for Treatment of Spent Alkali Liquor 废碱液湿式空气氧化处理的现状与进展
This paper introduces the solution of incomplete separation of waste alkali liquor in the cyclohexane oxidation unit applying coalescence-separation through experiment and innovation 本文主要介绍通过实验研究和技术改造,有效的应用聚结分离技术解决环己烷氧化装置废碱液分离不彻底的问题
Evaporators only need alkali liquor and water for recycling cleaning. 清洗蒸发器时,只需用稀碱液和水循环清洗,避免了频繁打开蒸发器机械清洗。
Thus a modified Dual Flow Digestion Technology and corrosion preventive measures are presented, such as, lowering temperature of melted salt, elevation of flow proportion of alkali liquor to digesting slurry, and adopting overall counter current preheating system. 提出了应用双流法改进流程、降低熔盐温度、提高碱液与矿浆流的比例和采用全逆流预热流程等防止腐蚀方法。
A New Purifying Method for Reclaimed Alkali Liquor in Mercerizing 丝光回收碱净化的新方法
Making Activated-carbon From Black Liquor Lignin of Pulping This thesis contains the following contents: the structure of formic acid pulping black liquor lignin ( FL) as well as the alkali pulping black liquor lignin is studied. 本论文主要分析内容:对甲酸制浆黑液木素进行了结构研究,并与碱木素结构进行对比;
The waste alkali liquor in 240 kt/ a ethylene remoulding unit was treated by wet atmospheric oxidation proeess. 在中国石油兰州石化分公司240kt/a乙烯改造装置中,废碱液的处理工艺采用湿式空气氧化法。
Smells caused from the burning of cyclohexane saponification waste alkali liquor in the cyclohexanone production and fouling of the evaporator are analyzed. 分析了环己酮生产环己烷皂化废碱液焚烧排放烟气时有臭味及蒸发器列管严重结垢的原因和机理。
However, their difficult hydrogen-release conditions, overstable hydrides, bad kinetics properties in hydrogen absorbing process, poor corrosion resistance in alkali liquor and short cycle life are the blocks in the road for Mg-based hydrogen storage alloys to become a strong competitor in this field. 然而它也存在着一些缺点,如吸放氢条件比较苛刻,生成的氢化物过于稳定,吸氢动力学性能差,合金电极在碱液中的耐腐蚀性差,循环寿命低等。
Secondly, considering the problem that the alkali liquor composition was unstable and its real-time measurement was difficult, a NN ( neural networks) prediction model for the prediction of the alkali liquor composition was set up and nesting-integrated with the mechanism model; 针对碱液成分波动大且难以实时检测的问题,对碱液成分含量建立了神经网络预测模型,并和机理模型进行嵌套集成;
Synthesis of Intumescent Flame Retardant bMAP by Fractional Alkali Liquor Dropping 分步碱液滴加法合成膨胀型阻燃剂b-MAP
Researches on Process of Removing Hydrogen Sulfide from Sour Gas with Alkali Waste Liquor 废碱脱除酸性气中硫化氢工艺研究
At the same time, use of aluminum hydroxide produced as a seed, used to exhalation more aluminum hydroxide products, make the seed recycling; another side it is using Al-Ni and powders of alkali liquid of liquid aluminum obtained by sodium alkali liquor alkaline coagulants. 同时,用产生的氢氧化铝作为晶种,用来析出更多的氢氧化铝产品,使晶种循环利用;二是利用A1-Ni合金粉的碱洗液得到的废液制取铝酸钠碱液碱性混凝剂。
The quality of the products would be descended if using the waste alkali liquor without treatment. 这些废碱液若不经过处理直接回用,势必会造成产品品质下降。
But alkali from spent liquor is difficult to be recycled, which caused resource waste and environment pollution. 但在稻草碱法制浆过程中,蒸煮黑液碱回收利用等方面的困难,造成了资源浪费和环境污染严重等问题。
The experiment shows: It adopt self-designed whorly board tower in which the gas is absorbed through the process of gas-liquid counter current and pump circulation process for alkali liquor which can prevent the tower from blocking up. It turns out that the operation goes well. 实验结果表明:制硫酸烟气吸收采用自行设计的旋流板塔,吸收塔采用气液逆流吸收,碱液用泵循环工艺,可防止塔堵塞,运行状况良好。