公开(公告)号：US20160348983A1

公开(公告)日：2016-12-01

申请号：US14723572

申请日：2015-05-28

Applicant: SunEdison, Inc.

Inventor： Peter Spicka ,  Puneet Gupta

IPC: F28D7/10 ,  B01J8/24 ,  C01B33/027 ,  F28F27/00

Abstract: Heat exchange apparatus and, particularly, heat exchangers having a baffled cooling jacket are disclosed. Methods for using the exchangers including methods that involve cooling an effluent gas produced from a fluidized bed reactor for producing polycrystalline silicon are also disclosed.

Abstract translation: 热交换装置，特别是具有挡板式冷却套的热交换器。 还公开了使用包括冷却由流化床反应器产生的多晶硅产生的废气的方法的交换器的方法。

公开(公告)号：US20160068399A1

公开(公告)日：2016-03-10

申请号：US14840514

申请日：2015-08-31

Applicant: SunEdison, Inc.

Inventor： Sathy Ponnuswamy ,  Nageswara Reddy Kota ,  Satish Bhusarapu ,  Puneet Gupta

IPC: C01B33/027 ,  B01D3/14 ,  B01J19/24 ,  C01B33/107 ,  C01B33/04

CPC classification number: C01B33/027 ,  B01D3/141 ,  B01J19/2445 ,  B01J2219/24 ,  C01B33/04 ,  C01B33/107 ,  C01B33/1071 ,  C01B33/10778

Abstract: Methods for separating halosilanes that involve use of a distillation column having a partition that divides the column into portions for producing three product fractions are disclosed. Methods and systems for producing silane by disproportionation of halosilanes that use such columns and methods for producing polycrystalline silicon are also disclosed.

Abstract translation: 公开了使用蒸馏塔的分离卤代硅烷的方法，所述蒸馏塔具有将塔分成用于产生三种产物馏分的部分的隔板。 还公开了通过歧化使用这种塔的卤代硅烷生产硅烷的方法和系统以及用于生产多晶硅的方法。

公开(公告)号：US20150315029A1

公开(公告)日：2015-11-05

申请号：US14799728

申请日：2015-07-15

Applicant: SunEdison, Inc.

Inventor： Satish Bhusarapu ,  Puneet Gupta ,  Yue Huang

IPC: C01B33/029

CPC classification number: C01B33/027 ,  B01J8/1809 ,  B01J8/1827 ,  B01J8/1836 ,  B01J2208/00398 ,  B01J2208/00407 ,  B01J2208/00539 ,  C01B33/029 ,  C01B33/03 ,  F23C10/18

Abstract: Processes for producing polycrystalline silicon by thermal decomposition of silane are disclosed. The processes generally involve thermal decomposition of silane in a fluidized bed reactor operated at reaction conditions that result in a high rate of productivity relative to conventional production processes.

公开(公告)号：US09114997B2

公开(公告)日：2015-08-25

申请号：US13628282

申请日：2012-09-27

Applicant: SunEdison, Inc.

Inventor： Satish Bhusarapu ,  Puneet Gupta ,  Yue Huang

IPC: C01B33/029 ,  C01B33/021 ,  C01B33/03 ,  C01B33/027 ,  F23G5/30 ,  F23G7/06

CPC classification number: C01B33/03 ,  C01B33/027 ,  C01B33/029 ,  F23G5/30 ,  F23G7/06 ,  F23G2202/30 ,  F23G2209/142

Abstract: Processes for producing polycrystalline silicon by thermal decomposition of silane are disclosed. The processes generally involve thermal decomposition of silane in a fluidized bed reactor operated at reaction conditions that result in a high rate of productivity relative to conventional production processes.

公开(公告)号：US08974761B2

公开(公告)日：2015-03-10

申请号：US14335531

申请日：2014-07-18

Applicant: SunEdison, Inc.

Inventor： Puneet Gupta ,  Henry F. Erk ,  Alexis Grabbe

IPC: C01B33/04 ,  C01B33/029

CPC classification number: C01B33/029 ,  C01B33/043 ,  C25B1/003 ,  C25C3/02

Abstract: Methods and systems for producing silane that use electrolysis to regenerate reactive components therein are disclosed. The methods and systems may be substantially closed-loop with respect to halogen, an alkali or alkaline earth metal and/or hydrogen.

Abstract translation: 公开了用于生产使用电解以再生其中的反应性组分的硅烷的方法和系统。 所述方法和系统可以相对于卤素，碱金属或碱土金属和/或氢基本上是闭环的。