-
公开(公告)号：KR101248122B1
公开(公告)日：2013-03-28
申请号：KR1020110047884
申请日：2011-05-20
Applicant: 한국화학연구원
IPC: B01J27/182 , B01J37/03 , C07C41/09 , C07C43/04
Abstract: 메탄올의 탈수 반응에 의한 디메틸에테르 합성에 사용되는 촉매에 있어서, 균일한 비정질의 실리콘 알루미늄 포스페이트 화합물로 이루어지며 Si/Al 몰비가 0.001 내지 1.2인 메탄올 탈수 촉매는, 약산과 중간산의 밀도를 적절히 증진시킴으로써 높은 촉매활성을 유지하면서도 저급 탄화수소 부산물이 생성되지 않아 높은 수율로 디메틸에테르를 얻게 한다.
-
公开(公告)号：KR1020090103512A
公开(公告)日：2009-10-01
申请号：KR1020080029166
申请日：2008-03-28
Applicant: 한국화학연구원
Abstract: PURPOSE: A catalyst for synthesis of dimethyl ether by dehydration reaction of methanol is provided to increase a lifetime of the catalyst, and to prevent hydrocarbon by-products due to high catalyst activity. CONSTITUTION: A catalyst for synthesis of dimethyl ether by dehydration reaction of methanol includes Hydrogen- or Ammonium- hydrophobic zeolite of 1 part by weight. The catalyst for synthesis of dimethyl ether includes an aluminum phosphate binder of 0.5 ~ 10 parts by weight. The catalyst for synthesis of dimethyl ether further includes a metal positive ion precursor selected from alkali metal and alkaline earth metal of 0.1 ~ 0.1 parts by weight.
Abstract translation: 目的：提供通过甲醇脱水反应合成二甲醚的催化剂，以提高催化剂的使用寿命，并由于催化剂活性高而防止烃副产物。 构成：通过甲醇的脱水反应合成二甲醚的催化剂包括1重量份的氢或铵 - 疏水性沸石。 合成二甲醚的催化剂包括0.5〜10重量份的磷酸铝粘合剂。 合成二甲醚的催化剂还包括选自碱金属和碱土金属的金属阳离子前体，其量为0.1〜0.1重量份。
-
公开(公告)号：KR100926800B1
公开(公告)日：2009-11-12
申请号：KR1020080029166
申请日：2008-03-28
Applicant: 한국화학연구원
Abstract: 본 발명은 메탄올의 탈수반응에 의한 디메틸에테르 합성용 촉매, 이의 제조방법 및 디메틸에테르의 제조방법에 관한 것으로서, 더욱 상세하게는 알루미늄포스페이트 바인더를 일정 함량으로 함유함으로써, 촉매의 수명을 효과적으로 개선하고, 높은 촉매활성을 유지하면서도, 높은 수율로 디에틸에테르를 얻을 수 있는 메탄올의 탈수반응에 의한 디메틸에테르 합성용 촉매, 이의 제조방법 및 디메틸에테르의 제조방법에 관한 것이다.
메탄올, 디에틸에테르, 알루미늄포스페이트-
公开(公告)号：KR1020120129553A
公开(公告)日：2012-11-28
申请号：KR1020110047884
申请日：2011-05-20
Applicant: 한국화학연구원
IPC: B01J27/182 , B01J37/03 , C07C41/09 , C07C43/04
CPC classification number: B01J27/182 , B01J37/03 , B01J37/08 , C07C41/09 , C07C43/043
Abstract: PURPOSE: A methanol dehydration catalyst and a manufacturing method of the same are provided to improve the yield of dimethyl ether by preventing the generation of byproducts such as low grade hydrocarbon. CONSTITUTION: A method dehydration catalyst is made of an amorphous compound. The amorphous compound is represented by Si_xAl_yP_zO_m. The specific surface area of the methanol dehydration catalyst is more than or equal to 50m^2/g. In the chemical formula, x/y is in a range between 0.001 and 1.2; z/y is in a range between 0.5 and 1.5; and m is 2x(x+y+z). The volume of microspores, of which diameters are less than 3500nm, in the methanol dehydration catalyst is more than or equal to 0.3cc/g. [Reference numerals] (AA) Intensity
Abstract translation: 目的：提供甲醇脱水催化剂及其制造方法，以通过防止产生副产物如低级烃来提高二甲醚的产率。 构成：方法脱水催化剂由无定形化合物制成。 无定形化合物由Si_xAl_yP_zO_m表示。 甲醇脱水催化剂的比表面积大于或等于50m ^ 2 / g。 在化学式中，x / y在0.001和1.2之间; z / y在0.5和1.5之间的范围内; 并且m是2x（x + y + z）。 在甲醇脱水催化剂中，直径小于3500nm的小孢子的体积大于或等于0.3cc / g。 （标号）（AA）强度
-
-
-
Search Results
4
records
(took 0.027 seconds)
