公开(公告)号：US20050158237A1

公开(公告)日：2005-07-21

申请号：US10758898

申请日：2004-01-16

Applicant: Ram Thakur ,  Mohan Kuvettu ,  Biswanath Sarkar ,  Venkatachalam Krishnan ,  Mitra Patel ,  Sanjay Ray ,  Gopal Ravichandran ,  Satish Makhija ,  Sobhan Ghosh

Inventor： Ram Thakur ,  Mohan Kuvettu ,  Biswanath Sarkar ,  Venkatachalam Krishnan ,  Mitra Patel ,  Sanjay Ray ,  Gopal Ravichandran ,  Satish Makhija ,  Sobhan Ghosh

IPC: C01B39/02 ,  C01B39/14 ,  C01B39/20 ,  C01B39/26

CPC classification number: C01B39/14 ,  C01B39/02 ,  C01B39/20 ,  C01B39/26

Abstract: The present invention relates to a process for enhancing the yield of molecular sieve zeolite during the synthesis from a sodium aluminosilicate reaction mixture, said process comprising the step of adding at an intermediate stage of crystallization a source of aluminum to the sodium aluminosilicate reaction mixture and allowing the mixture to crystallize.

Abstract translation: 本发明涉及一种在由铝硅酸钠反应混合物合成过程中提高分子筛沸石的产率的方法，所述方法包括在中间阶段将铝源加入到硅铝酸钠反应混合物中并允许 混合物结晶。

公开(公告)号：US20070059238A1

公开(公告)日：2007-03-15

申请号：US11442871

申请日：2006-05-30

Applicant: Ram Thakur ,  Mohan Kuvettu ,  Biswanath Sarkar ,  Venkatachalam Krishnan ,  Mitra Patel ,  Sanjay Ray ,  Gopal Ravichandran ,  Satish Makhija ,  Sobhan Ghosh

Inventor： Ram Thakur ,  Mohan Kuvettu ,  Biswanath Sarkar ,  Venkatachalam Krishnan ,  Mitra Patel ,  Sanjay Ray ,  Gopal Ravichandran ,  Satish Makhija ,  Sobhan Ghosh

IPC: C01B39/00

CPC classification number: C01B39/02 ,  C01B39/14 ,  C01B39/20 ,  C01B39/26

Abstract: The present invention relates to a process for enhancing the yield of molecular sieve zeolite during the synthesis from a sodium aluminosilicate reaction mixture, said process comprising the step of adding at an intermediate stage of crystallization a source of aluminum to the sodium aluminosilicate reaction mixture and allowing the mixture to crystallize.

Abstract translation: 本发明涉及一种在由铝硅酸钠反应混合物合成过程中提高分子筛沸石的产率的方法，所述方法包括在中间阶段将铝源加入到硅铝酸钠反应混合物中并允许 混合物结晶。

公开(公告)号：US06864202B2

公开(公告)日：2005-03-08

申请号：US10282898

申请日：2002-10-29

Applicant: Biswanath Sarkar ,  Ram Mohan Thakur ,  Nagesh Samant ,  Mohan Kuvettu Prabhu ,  Ravichandran Gopal ,  Mitra Bhanu Patel ,  Sanjay Kumar Ray ,  Krishnan Venkatachalam ,  Satish Makhija ,  Sobhan Ghosh

Inventor： Biswanath Sarkar ,  Ram Mohan Thakur ,  Nagesh Samant ,  Mohan Kuvettu Prabhu ,  Ravichandran Gopal ,  Mitra Bhanu Patel ,  Sanjay Kumar Ray ,  Krishnan Venkatachalam ,  Satish Makhija ,  Sobhan Ghosh

IPC: B01J29/06 ,  B01J37/00 ,  B01J29/08

CPC classification number: B01J29/06 ,  B01J37/0009 ,  B01J2229/42

Abstract: The present invention relates to an improved process for obtaining sodium silicate alkali solution depleted of sodium salt and enriched in silica from a mother liquor recovered after isolation of molecular sieves and more particularly, the present invention relates to a process for recycling mother liquor obtained after the isolation of molecular sieves for the preparation of fresh molecular sieves or as a binder for producing Fluid Catalytic Cracking (FCC) catalyst.

Abstract translation: 本发明涉及一种用于从分离筛分离后回收的母液中获得不含钠盐并富集二氧化硅的硅酸钠碱溶液的改进方法，更具体地说，本发明涉及一种在 隔离用于制备新鲜分子筛的分子筛或用作制备流体催化裂化（FCC）催化剂的粘合剂。