General Electric Company

Sampath Kumar Bommareddy

James Michael Storey

James Scott Kain

Dinh-Cuong Vuong

Karthik Subramanyan

Jerrold Samuel Kassman

Kurt Richard Imai

Anil Dhansukh Amlani

Robert Henry Weed

In certain embodiments, a system includes a gasification system configured to output grey water. The system also includes a grey water zero liquid discharge (ZLD) system configured to receive the grey water and to generate a first stream of distillate. The grey water ZLD system comprises an ammonia stripping system. An amount of water into and out of the grey water ZLD system is approximately equal.

Gasification plant with total zero discharge of plant process waters

A combined Gasification, methanation and power island steam turbine system. The system includes a gasification portion, the methanation portion and a steam turbine portion. The Gasification portion includes the new heat recovery design and associated controls for obtaining a desired steam to dry gas ration of 1.1-2.2. The methanation portion includes first, second and third methanation reactors and associated heat recovery integrated with a high-pressure, low-pressure superheater, and HP economizers. The power Island steam turbine includes a High pressure, Intermediate pressure, low-pressure steam turbine having an input coupled to an output of the superheaters in Methanation process.

Heat integration in coal gasification and methanation reaction process

Growing community of inventors

Houston, TX, United States of America

Sampath Kumar Bommareddy