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1.可吸附去除重金属离子和光催化降解有机污染物的纤维膜及其制备方法
Fibrous membrane capable of achieving adsorption removal of heavy metal ions and photocatalysis degradation of organic contaminants and preparation method thereof
本发明公开了可吸附去除重金属离子和光催化降解有机污染物的纤维膜及其制备方法，属于环境功能材料合成与应用领域。
The invention discloses a fibrous membrane capable of achieving adsorption removal of heavy metal ions and photocatalysis degradation of organic contaminants and a preparation method thereof, and belongs to the field of environment functional material synthesis and application.本发明以用聚丙烯腈为原料，通过固相接枝聚合与胺化反应制备液态基质，而后加入纳米光催化材料，通过静电纺丝制得新型抗污染复合功能纤维膜。
According to the fibrous membrane and the preparation method thereof, polyacrylonitrile is used as a raw material, a liquid matrix is prepared through solid-phase grafting polymerization and an aminating reaction, then a nano-photocatalyst material is added, and the novel antipollution composite functional fibrous membrane is prepared through electrostatic spinning.该合成方法操作简单，可以节约有机溶剂与胺化试剂，所制备的抗污染复合功能纤维膜负载有纳米光催化剂，不仅可以过滤吸附去除水中多种重金属离子，且可光催化降解水中有机污染物，极大地提升了膜的抗污染性，因此具有广阔的应用前景。
According to the synthesis method, operation is simple, and an organic solvent and an amination reagent can be saved.The prepared antipollution composite functional fibrous membrane is loaded with nano-photocatalyst and can achieve not only adsorption removal of various heavy metal ions in water but also photocatalysis degradation of the organic contaminants in the water, the antipollution performance of the membrane is greatly improved, and therefore the membrane has broad application prospects.2016-03-04 2016-03-04 2.一种用于动物组织核酸提取的磁性微球
Magnetic microsphere for animal tiue nucleic acid extraction
一种用于动物组织核酸提取的磁性微球，该磁性微球先通过聚碳硅烷包覆纳米级磁性粉体，再通过热处理和磁选手段制得。
The invention relates to a magnetic microsphere for animal tiue nucleic acid extraction.The magnetic microsphere is manufactured through the steps of wrapping nanoscale magnetic powder in polycarbosilane and then conducting heat treatment and magnetic separation.该磁性微球粒径均一可控，比表面积大，具有超顺磁性，可快速高效分离提纯动物组织核酸，在动物疫病检测领域具有广阔的应用前景。This magnetic microsphere is uniform and controllalbe in particle size and large in specific area and has superparamagnetism;animal tiue nucleic acid can be rapidly and efficiently separated and purified;themagnetic microsphere has broad application prospects in the field of animal epidemic disease detection.2016-03-04 2016-03-04 3.一种生物质基纳米氧化镧除磷复合吸附剂及其制备方法
Bioma-based nanometer lanthanum oxide dephosphorization compound adsorbent and preparation method thereof
本发明公开了一种生物质基纳米氧化镧除磷复合吸附剂及其制备方法。
The invention discloses a bioma-based nano lanthanum oxide dephosphorization compound adsorbent and a preparation method thereof.该复合吸附剂以生物质阴离子交换树脂为基体，其上负载纳米氧化镧；纳米氧化镧的负载量以镧计重量百分比为0.5~22.6%；生物质阴离子交换树脂为含有强碱季铵基团的生物质阴离子交换树脂，以N，N-二甲基甲酰胺为溶剂，环氧氯丙烷为醚化剂，三甲胺、三乙胺或尿素为氨化剂对生物质材料进行氨基化改性制得；生物质材料选自玉米秸秆、大豆秸秆、木薯秸秆、水稻秸秆、小麦秸秆、芦竹、木屑或其混合物。
According to the compound adsorbent, bioma anion exchange resin serves as a matrix, nano lanthanum oxide is loaded on the bioma anion exchange resin;the weight percentage of the load capacity of the nano lanthanum oxide is 0.5-22.6% by lanthanum.;the bioma anion exchange resin is bioma anion exchange resin containing highly basic quaternary ammonium groups;N, N-dimethylformamide serves as a solvent, epoxy chloropropane serves as an etherifying agent, trimethylamine, triethylamine or urea serves as an aminating agent, biological materials are subjected to amination modification, and then the compound absorbent is obtained;the biological materials can be selected from maize straw, soybean straw, caava straw, rice straw, wheat straw, giant reed, wood chips or a mixture of the maize straw, the soybean straw, the caava straw, the rice straw, the wheat straw, the giant reed and the wood chips.本发明复合吸附剂成本低、吸附容量高。
The compound adsorbent is low in cost and high in adsorption capacity.2016-03-04 2016-03-04
4.一种PPCPs类废水处理系统及方法
System and method for treating wastewater containing pharmaceuticals and personal care products(PPCPs)
本发明公开了一种PPCPs类废水处理系统，包括：进水装置，用于将PPCPs类废水引入膜蒸馏装置；膜蒸馏装置，内设有石墨烯钨酸铋PVDF光催化膜，所述膜蒸馏装置用于，通过所述石墨烯钨酸铋PVDF光催化膜在可见光激发下产生催化反应，对废水进行降解，再通过加热使所述石墨烯钨酸铋PVDF光催化膜两侧产生蒸汽压差驱动水蒸气透过所述石墨烯钨酸铋PVDF光催化膜进入水循环装置；水循环装置，用于通过水循环将透过所述石墨烯钨酸铋PVDF光催化膜的水蒸气液化为水后带入集水装置；集水装置，用于收集经处理后的水。The invention discloses a system for treating wastewater containing pharmaceuticals and personal care products(PPCPs).The system for treating the wastewater containing the PPCPs comprises a water inlet device, a membrane distillation device, a water circulatingdevice and a water collecting device, wherein the water inlet device is used for introducing the wastewater containing the PPCPs into the membrane distillation device;a graphene bismuth tungstate polyvinylidenefluoridethe(PDVF)photocatalytic membrane is arranged in the memebrane distillation device, and the membrane distillation device is used for degrading the wastewater through the catalytic reaction generated by the graphene bismuth tungstate PDVF photocatalytic membrane under the excitation of visible light, and then a vapor preure difference is generated between the two sides of the graphene bismuth tungstate PDVF photocatalytic membrane through heating and drives water vapor to penetrate through the graphene bismuth tungstate PDVF photocatalytic membrane to enter the water circulating device;the water circulating device is used for liquifying the water vapor penetrating through the graphene bismuth tungstate PDVF photocatalytic membrane into water through water circulation and then carrying the water into the water collecting device;the water collecting device is used for collecting the treated water.本发明可以对废水进行无害化处理。
The system can be used for harmle treatment of the wastewater.2016-03-04 2016-03-04 5.一种制备氧化铁红和氯化铵的方法
Method for preparing iron oxide red and ammonium chloride
本发明涉及一种制备氧化铁红和氯化铵的方法，属于废物资源化处理技术领域。The invention relates to a method for preparing iron oxide red and ammonium chloride and belongs to the technical field of waste recycling treatment.首先将废酸与废钢屑或废钢边角料混合搅拌均匀得到铁全部为Fe2+的溶液（将废酸中的Fe3+全部还原为Fe2+）；将得到的溶液用氨水调节pH值，同时通入空气或氧气低温氧化；将经低温氧化后的溶液升温至70～95℃，用盐酸调节溶液的pH值，通入空气或氧气中温氧化；将悬浊液过滤得到滤饼和滤液，对滤饼进行洗涤后在温度为80～130℃条件下干燥30～180min得到颜色均匀鲜艳、纯度大于99.5wt%的氧化铁红；将得到的滤液和洗涤水进行真空蒸馏得到结晶物，将结晶物在温度为80～130℃条件下干燥30～180min得到纯度大于99.5wt%的NH4Cl。The method for preparing the iron oxide red and the ammonium chloride comprises the steps that firstly, waste acid and waste steel cuttings or steel scrap are mixed and stirred evenly, so that a solution with ferrum completely being Fe2+ is obtained(by completely reducing Fe3+ in the waste acid into the Fe2+);secondly, the pH value of the obtained solution is regulated through ammonia water, and air or oxygen is introduced at the same time for low-temperature oxidation;thirdly, the temperature of the solution subjected to low-temperature oxidation is increased to 70~95 DEG C, the pH value of the solution is regulated through hydrochloric acid, and air or oxygen is introduced for medium-temperature oxidation;fourthly, suspension is filtered, so that a filter cake and filtrate are obtained, the filter cake is dried under the temperature condition of 80~130 DEG C for 30~180 min after being washed, and then the iron oxide red in a uniform and bright color and with the purity being larger than 99.5wt% is obtained;and finally, vacuum distillation is conducted on the obtained filtrate and washing water, so that a crystal substance is obtained, and the crystal substance is dried under the temperature condition of 80~130 DEG C for 30~180 min, so that NH4Cl with the purity being larger than 99.5wt% is obtained.该方法生产高纯度氯化铵和高着色力的氧化铁红。
The method is used for producing the high-purity ammonium chloride and the high-tinting-strength iron oxide red.2016-03-04 2016-03-04
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