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    • 1. 发明公开
    • 디시클로펜타디엔다이머의 에폭시화 반응용 고활성 촉매 및 이의 제조방법
    • 二辛基二环氧化的高活性催化剂及其制备方法
    • KR1020130063274A
    • 2013-06-14
    • KR1020110129705
    • 2011-12-06
    • 한국화학연구원
    • 윤병태김성보정근우김영운고문규
    • B01J29/89C07D303/06C07B41/00C07B61/00
    • B01J37/00B01J29/06B01J29/89C07B41/00
    • PURPOSE: A catalyst for epoxidation of dicyclopentadiene dimer and a manufacturing method thereof are provided to be able to show a high selectivity to dicyclopentadien dimer with a large molecular size and a high conversion ratio, and to be able to obtain a dicyclopentadiene dimer epoxy compound with a high yield. CONSTITUTION: A catalyst for epoxidation of dicyclopentadiene dimer has a structure in which metals in a zeolite molecular sieve of macro pores more than 7 angstrom are substituted with titanium. The catalyst is a heterogeneous catalyst used in a process of manufacturing dicyclopentadiene dimer epoxy compound by epoxidation of dicyclopentadiene dimer. A manufacturing method of the catalyst comprises the following steps: a step of processing a zeolite molecular sieve of macro pores more than 7 angstrom with acid; and a step of substituting aluminum of the acid-treated zeolite molecular sieve with titanium by stirring the acid-treated zeolite molecular sieve with titanium precursor.
    • 目的:提供二环戊二烯二聚体的环氧化催化剂及其制造方法,能够显示出高分子量,高转化率的二环戊二烯二聚体的高选择性,能够得到二环戊二烯二聚体环氧化合物, 高产量。 构成:二环戊二烯二聚体的环氧化催化剂具有这样的结构,其中大于7埃的大孔的沸石分子筛中的金属被钛取代。 催化剂是用于通过二环戊二烯二聚体的环氧化制备二环戊二烯二聚体环氧化合物的方法中的非均相催化剂。 催化剂的制造方法包括以下步骤:用酸处理大于7埃的大孔的沸石分子筛的步骤; 通过用钛前体搅拌酸处理的沸石分子筛,用钛代替酸处理的沸石分子筛的铝的步骤。
    • 5. 发明公开
    • 메틸아세테이트의 가수분해 방법 및 장치
    • 乙酸甲酯水解方法及装置
    • KR1020000072037A
    • 2000-12-05
    • KR1020000039788
    • 2000-07-12
    • 아신기술 주식회사
    • 이면기김태정
    • C07B41/00
    • C07C51/09C07C29/095C07C51/44Y02P20/127C07C31/04C07C53/08
    • PURPOSE: A method and apparatus for hydrolyzing methyl acetate using a reactor with a fixed catalyst layer and separating acetic acid and methanol are provided which can reutilize methyl acetate that has been hitherto discarded as useless waste, improve hydrolysis efficiency and remarkably reduce investment cost and energy consumption. CONSTITUTION: The hydrolyzing method of methyl acetate comprises the steps of introducing methyl acetate or methyl mixtures and water at the same time into a condensate line at the upper part of a reactor (1) at 50 to 80°C and preparing a reaction mixture by liquid reaction in the reactor filled with a strong acid cation exchange resin catalyst; condensing the reaction mixture at a methylacetate separation tower (2), separating methylacetate at a condenser (3) and discharging acetic acid and methanol as a reaction product with the remaining water from the separation tower; and transferring mixtures from the separator to an acetic acid recovering tower (7) and separating acetic acid and methanol. The apparatus comprises a reactor, a separation tower and an acetic acid recovering tower, wherein a condenser and a condensate line connected to a pump (4) are installed between the reactor and the separation, a pump (6) between the separation tower and the acetic acid recovering tower, a reboiler (5) at the separation tower, a methanol storing tank (C) and an acetic storing tank (D) are connected to the acetic recovering tower.
    • 目的:提供一种使用具有固定催化剂层和分离乙酸和甲醇的反应器水解乙酸甲酯的方法和装置,其可以将迄今为止被废弃的乙酸甲酯再利用,作为无用的废物,提高水解效率并显着降低投资成本和能量 消费。 构成:乙酸甲酯的水解方法包括以下步骤:将乙酸甲酯或甲基混合物和水同时引入反应器(1)上部的冷凝液管线中,在50至80℃下,通过以下步骤制备反应混合物: 在反应器中的液体反应填充有强酸阳离子交换树脂催化剂; 将反应混合物在甲酸乙酯分离塔(2)冷凝,在冷凝器(3)分离乙酸甲酯,并将乙酸和甲醇作为与来自分离塔的剩余水反应产物; 并将混合物从分离器转移到乙酸回收塔(7)并分离乙酸和甲醇。 该设备包括反应器,分离塔和乙酸回收塔,其中连接到泵(4)的冷凝器和冷凝管路安装在反应器和分离器之间,在分离塔和分离塔之间的泵(6) 乙酸回收塔,分离塔处的再沸器(5),甲醇储存罐(C)和乙酸储存罐(D)连接到乙酸回收塔。