当前查询到10条专利与查询词 "Song Jinlian"相关,搜索用时0.2187507秒!排序方式:
发明专利:3实用新型: 6外观设计: 1
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申请号:201911037724.2 公开号:CN110981681A 主分类号:C07C7/00
摘要:【中文】本发明涉及一种色谱正庚烷的纯化方法,包括将正庚烷原料打入紫外线照射反应釜,利用185nm波长下紫外线照射;通过壳聚糖‑氧化石墨烯复合材料吸附除杂;通过无水氧化钙脱水干燥;通过蒸馏和精馏脱除杂质得到色谱正庚烷。本发明创新在于通过选用185nm波长下的紫外线对氧化剂进行辐射,产生羟基自由基,利用羟基自由基的强氧化性对有机物杂质进行氧化分解,氧化效果好,速率快,周期短等,此外,通过采用壳聚糖‑氧化石墨烯复合吸附材料吸附除杂,减少了氧化石墨烯的聚集,增大比表面积,大大提高了其吸附性能,通过此纯化工艺得到的正庚烷产品的纯度大于99.4%,水分0.01%以下,收率高于92%。 【EN】The invention relates to a method for purifying chromatographic n-heptane, which comprises the steps of putting an n-heptane raw material into an ultraviolet radiation reaction kettle, and utilizing ultraviolet radiation under 185nm wavelength; adsorbing and removing impurities by using a chitosan-graphene oxide composite material; dehydrating and drying by anhydrous calcium oxide; the impurities are removed by distillation and rectification to obtain the chromatographic n-heptane. The innovation of the invention is that ultraviolet rays with the wavelength of 185nm are selected to radiate an oxidant to generate hydroxyl radicals, organic impurities are oxidized and decomposed by utilizing the strong oxidizing property of the hydroxyl radicals, the oxidation effect is good, the speed is high, the period is short, and the like, in addition, the chitosan-graphene oxide composite adsorption material is adopted to adsorb and remove impurities, the aggregation of graphene oxide is reduced, the specific surface area is increased, the adsorption performance is greatly improved, the purity of the n-heptane product obtained by the purification process is more than 99.4%, the moisture is less than 0.01%, and the yield is more than 92%.
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申请号:201911037738.4 公开号:CN110981712A 主分类号:C07C45/78
摘要:【中文】本发明涉及一种色谱纯丙酮的纯化方法,方法步骤包括:(1)利用改性的沸石分子筛吸附过滤除去丙酮原料中的二异丙苯等不饱和烃类杂质;(2)利用改性的石墨烯材料材料吸附除去丙酮原料中的苯酚等酸性杂质;(3)通过IBX氧化剂,将丙酮中的异丙醇及其他醇类杂质氧化成酮类;(4)通过壳聚糖水凝胶复合吸附剂吸附脱除丙酮中的痕量金属离子杂质;之后进行干燥、精馏、过滤,充氮灌装。本发明利用壳聚糖水凝胶作为痕量金属吸附剂,采用IBX氧化剂,通过加入适量的过氧化氢作为氧化剂,利用氧化剂优先将丙烯醛氧化的特性,将其氧化成丙烯酸,再通过精馏过程即可脱除丙烯醛杂质,得到纯度≥99.9%的色谱丙酮产品,含水量可达到0.1%以下,纯度99.9%以上,收率≥93%。 【EN】The invention relates to a method for purifying chromatographically pure acetone, which comprises the following steps: (1) removing unsaturated hydrocarbon impurities such as diisopropylbenzene and the like in the acetone raw material by utilizing the adsorption filtration of a modified zeolite molecular sieve; (2) adsorbing and removing acidic impurities such as phenol and the like in the acetone raw material by using a modified graphene material; (3) oxidizing isopropanol and other alcohol impurities in the acetone into ketones by an IBX oxidant; (4) adsorbing and removing trace metal ion impurities in the acetone by using a chitosan hydrogel composite adsorbent; then drying, rectifying, filtering, filling nitrogen and filling. The invention uses chitosan hydrogel as a trace metal adsorbent, adopts IBX oxidant, adds proper hydrogen peroxide as oxidant, utilizes the characteristic that the oxidant preferentially oxidizes acrolein to generate acrylic acid, and removes acrolein impurities through rectification to obtain a chromatographic acetone product with the purity of more than or equal to 99.9 percent, wherein the water content can reach less than 0.1 percent, the purity is more than 99.9 percent, and the yield is more than or equal to 93 percent.
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申请号:202010068465.6 公开号:CN111235037A 主分类号:C12N1/14
摘要:【中文】本发明属于植物保护技术领域,具体公开了一种AMF+DSE组合菌剂及其在促进生姜生长与抗青枯病中的应用。本发明设置不同的菌剂处理对生姜进行接种试验,分析了不同菌剂处理的侵染率、对生姜生长发育及对青枯病的影响。通过试验结果确定最佳的促生姜生长和抗青枯病的菌剂为幼套近明球囊霉+绿色木霉组合,此组合处理的株高、叶片数、地上部干重、根系干重和单株产量最高、而病情指数最低。 【EN】The invention belongs to the technical field of plant protection, and particularly discloses an AMF + DSE combined microbial inoculum and application thereof in promoting ginger growth and resisting bacterial wilt. According to the invention, different microbial inoculum treatments are arranged to carry out inoculation tests on the ginger, and the infection rate, the influence on the growth and development of the ginger and the influence on bacterial wilt of the ginger of the different microbial inoculum treatments are analyzed. The best bacterial agent for promoting the growth of the ginger and resisting the bacterial wilt is determined by test results to be a combination of glomus parvifolius and trichoderma viride, the plant height, the leaf number, the dry weight of the overground part, the dry weight of the root system and the yield of a single plant processed by the combination are the highest, and the disease index is the lowest.
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