公开(公告)号：KR100839037B1

公开(公告)日：2008-06-19

申请号：KR1020070028983

申请日：2007-03-26

Applicant: 한국과학기술연구원

Inventor： 이상협 ,  연경호 ,  이관용 ,  박용민

IPC: C01G25/00 ,  B01J20/06 ,  C01B25/46

Abstract: A method for manufacturing a granular zirconium mesostructure is provided to prevent an outflow of powder by changing a powdered mesostructure into a granular structure, and to solve fundamentally high pressure and short circuit problems within a reactor. A method for manufacturing a granular zirconium mesostructure includes the steps of: (S101) mixing 5-100 w/v% of acrylamide with an accelerator and a cross-linking agent to form a first mixture solution, wherein the accelerator increases a gelation rate of acrylamide, and the cross-linking agent links acrylamides with each other to form a network structure; (S102) mixing the first mixture solution with a powdered zirconium mesostructure to form a second mixture solution; (S103, S104) injecting a reaction initiator into the second mixture solution to form gel, wherein the reaction initiator initiates the transition of acrylamide to gel; and (S105) molding the gel into a predetermined size to form the granular zirconium mesostructure. Further, the accelerator is 3-(dimethylamino)propionitrile.

Abstract translation: 提供了一种制造颗粒状锆介孔结构的方法，以通过将粉末状的介观结构改变为粒状结构来防止粉末的流出，并且解决了反应器内的根本的高压和短路问题。 颗粒锆介孔结构的制造方法包括以下步骤：（S101）将5-100w / v％的丙烯酰胺与促进剂和交联剂混合以形成第一混合溶液，其中促进剂增加凝胶化速率 丙烯酰胺，并且交联剂将丙烯酰胺彼此连接形成网络结构; （S102）将第一混合溶液与粉状锆介孔结构混合以形成第二混合物溶液; （S103，S104）将反应引发剂注入第二混合溶液中以形成凝胶，其中反应引发剂引发丙烯酰胺转化为凝胶; 和（S105）将凝胶成型为预定尺寸以形成颗粒状锆介孔结构。 此外，促进剂是3-（二甲基氨基）丙腈。

公开(公告)号：KR100739450B1

公开(公告)日：2007-07-18

申请号：KR1020070014264

申请日：2007-02-12

Applicant: 주식회사 지오웍스 ,  한국과학기술연구원

Inventor： 이재원 ,  이성재 ,  최용수 ,  이상협 ,  연경호 ,  이관용 ,  박용민

IPC: C08F20/56 ,  C08K3/08 ,  C08L33/26

Abstract: A method for preparing polyacrylamide comprising zero-valent nano-iron encapsulated therein is provided to obtain a strong reducing agent for nitrate-based nitrogen under a general ground water pH condition without causing generation of secondary pollutants. The method for preparing polyacrylamide comprising zero-valent nano-iron encapsulated therein comprises the steps of: reacting an iron compound with a reducing agent to provide zero-valent nano-iron; and polymerizing a mixture containing acrylamide, a catalyst, a crosslinking agent and a polymerization initiator in a weight ratio of 10-40:0.5-4:1-5:0.5-2 in the presence of the zero-valent nano-iron obtained from the preceding step. The zero-valent nano-iron is added to the mixture in an amount of 1-200%(w/v).

Abstract translation: 提供一种制备包含零价纳米铁包封在其中的聚丙烯酰胺的方法，以在一般地下水pH条件下获得用于硝酸盐基氮的强还原剂，而不引起二次污染物的产生。 制备包含零价纳米铁的聚丙烯酰胺的方法包括以下步骤：使铁化合物与还原剂反应以提供零价纳米铁; 以及在包含丙烯酰胺，催化剂，交联剂和聚合引发剂的混合物中，以10-40：0.5-4：1-5：0.5-2的重量比在由以下物质获得的零价纳米铁存在下聚合： 前面的步骤。 零价纳米铁以1-200％（w / v）的量加入到混合物中。