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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
Abstract
내용 없음No content
Description
A(V) 타입의 결정성 지올라이트분말의 제조방법Method for producing A(V) type crystalline zeolite powder
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음This content is subject to disclosure, so the full text is not included.
Claims (10)
Al2O31ℓ당 0.1 내지 100g, Na2O 1ℓ당 1 내지 200g이 함유된 50 내지 90℃의 온도인 알카리알루미네이트 수용액에 SiO2/Al2O3=2 내지 50:1, Na2O/SiO2=0.2 내지 20:1 및 H2O/Na2O=4 내지 300:1의 조성을 가지고 있는 반응혼합물 즉 알카리실리케이트용액을 교반하면서 가해주고, Al2O31ℓ당 10 내지 200g, Na2O 1ℓ당 10 내지 250g 이 함유된 10 내지 100℃의 온도인 알카리알루미네이트수용액을 교반하면서 2단계로 가해주고 여기에서 얻은 합성혼합물을 온도 20 내지 175℃ 이내의 온도에서 최소한 15분간 결정화시킴을 특징으로 하여 조성이 1.0±0.2 M2/nO:Al2O3:1.85±0.5 SiO2ㆍyH2O와 같은 조성을 가지며 다음과 같은 입자 스펙트럼을 가진 A(V)타입의 결정성 지올라이트분말을 제조하는 방법.Al 2 O 3 1ℓ 0.1 to 100g, Na 2 O 1ℓ 1 to 200g to the temperature of the alkali aluminate, an aqueous solution of 50 to 90 ℃ the contained SiO 2 / Al 2 O 3 = 2 to 50 per party: 1, Na 2 O A reaction mixture having a composition of /SiO 2 =0.2 to 20:1 and H 2 O/Na 2 O = 4 to 300:1, that is, an alkali silicate solution is added while stirring, and 10 to 200 g per 1 liter of Al 2 O 3 , Na 2 O Add an alkaline aluminate aqueous solution at a temperature of 10 to 100°C, containing 10 to 250 g per liter, in step 2 while stirring, and crystallize the resulting synthetic mixture at a temperature within 20 to 175°C for at least 15 minutes. Characteristically, the composition is 1.0±0.2 M 2/n O:Al 2 O 3 :1.85±0.5 SiO 2 ㆍA(V) type crystalline zeolite powder having the same composition as yH 2 O and having the following particle spectrum How to manufacture.입자의 크기 3마이크론미만 10 내지 60중량%10 to 60% by weight of particle size less than 3 microns″ 5 ″ 25 내지 95중량%″5″ 25 to 95% by weight″ 10 ″ 80 내지 99중량%″10″ 80 to 99% by weight″ 15 ″ 92 내지 100중량%″15″ 92 to 100% by weight여기에서From hereM은 금속양이온,M is a metal cation,n은 금속의 원자가이며n is the valence of the metaly는 입자의 크기가 6.2μ을 초과하지 않고 입자들의 중량 비율이 50%인 6이하의 수치이다.y is a value of 6 or less where the particle size does not exceed 6.2 μ and the weight ratio of the particles is 50%.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed according to the contents of the initial application.
KR1019770002641A1977-11-101977-11-10
Method for producing A(V) type crystalline zeolite powder
KR830000180A
(en)
CRYSTALLINE CLATRASIL OF THE STRUCTURAL TYPE OF DODECASIL 1H, WHICH HAS AN AVERAGE SIZE OF SMALL CRYSTAL, PROCESS FOR ITS PRODUCTION AND CONTAINING PIGMENTS.