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天然防暴剂与土霉素废液中回收草酸的研究
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摘要
论文介绍天然防暴剂的生产工艺、表面活性剂在天然防暴剂中的应用以及土霉素发酵废液中草酸的回收。全文分为三章。
     第一章:文献综述。详细评述了天然防暴剂研制的目的意义、国内外研究现况以及表面活性剂在相关研究中的应用;介绍了硫酸铅回收土霉素发酵废液中草酸。
     第二章:对以辣椒碱为有效成分的天然防暴剂进行研究。利用反相液相色谱测定辣椒碱的含量。研究了表面活性剂在天然防暴剂中的应用。考察了不同无机酸和碱、反应时间核反应温度、有机溶剂、溶液pH值、防腐剂浓度等实验条件对防暴剂有效成分浓度、稳定性的影响,考察了动物对不同浓度防暴剂的刺激性反应,确定天然防暴剂有效成分安全范围内的含量。在最佳工艺条件下,天然防暴剂的有效浓度完全可以达到防暴要求,稳定时间超过一年。研究结果表明,本实验生产工艺合理可行,且具有良好的操作稳定性。
     第三章:对重复利用硫酸铅回收土霉素发酵废液中草酸进行了研究,并采用高锰酸钾滴定法测定回收率。考察了反应时间、硫酸铅颗粒度、不同无机酸及其不同酸的浓度等实验条件对方法回收率的影响,优选出了回收草酸以及处理回收的硫酸铅的最佳实验条件。草酸回收率达92%以上。硫酸铅的回收率为94%-97%,回收硫酸铅的使用效果相当于硫酸铅首次使用的效果。该法设备简单,操作方便,适合药厂大规模回收草酸。
The paper introduces the production process of the natural antiriot solution, the application of sulfactants in the natural antiriot solution and Oxalic caid reclaimed with lead sulfate in waste waterfrom oxytertracycline. The paper consists of three chapters.
    In chapter one, the development of the natural antiriot and the interrelated application of sulfactants are reviewed; Oxalic acid reclaimed with lead sulfate in waste water from oxytertracycline was studied.
    In chapter two, the natural antiriot solution using capsaicin as the effective ingrident was investigated with RP-HPLC to determine the concentration of capsaicin. The application of sulfactants in the natural antiriot solution and the conditions that affects the concentration of effective ingrident and the stability of the natural antiriot solution, such as different inorganic caid and alkali, reaction time, temperature, organic modifiers and the concentration of antiseptic was investigated. In addition, the animals'reaction to the thrill of the different concentration of the natural antiriot was also investigated and the concentration in the safe range was determined by animal's experiment. The results show that under the optimum conditions ,the concentration of the effective ingrident comply to the requirement and the stability was more than a year. The production process was feasible ,and its stability was excellent.
    In charter three, Oxalic acid reclaimed with lead sulfate in waste water from oxytertracycline was investigated and its recoveries were determined by permaganate titration In addition, different approaches recovering the used lead sulfate were also investigated. The results show that under the optimum conditions the recovery of oxalic acid is over 92% and that the method is easy to operate and is fit for the reclamation of oxalic acid in factory.
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