Low grade waste heat thermal desalination and novel brine management

Hamid Rezvani Dastgerdi

doi:10.26182/50pz-1563

Low grade waste heat thermal desalination and novel brine management

Hamid Rezvani Dastgerdi

School of Engineering

Research output: Thesis › Doctoral Thesis

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Abstract

A new distributed boosted multi-effect distillation (DBMED) process was developed for low-grade heat source in the temperature range 65 °C- 90 °C. NPV and IRR indexes were used to analyse the economic viability of DBMED. A novel zero-liquid discharge(ZLD) process entitled Cascaded Fluidised Bed (CaFB) Ice Slurry Generator was proposed for salinity range beyond70,000 ppm, in order to reduce the volume of brine. The issue of scale formation in industrial evaporation process was also studied using a JWP Alfa Laval freshwater generator, modified to be a test rig for spent Bayer liquor for a 14-day continuous trial.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Chua, Hui Tong, Supervisor Srinivasan, Srini, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	30 Jun 2022
DOIs	https://doi.org/10.26182/50pz-1563
Publication status	Unpublished - 2022

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10.26182/50pz-1563

THESIS - DOCTOR OF PHILOSOPHY - REZVANI DASTGERDI, Hamid - 2022
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Cite this

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title = "Low grade waste heat thermal desalination and novel brine management",

abstract = "A new distributed boosted multi-effect distillation (DBMED) process was developed for low-grade heat source in the temperature range 65 °C- 90 °C. NPV and IRR indexes were used to analyse the economic viability of DBMED. A novel zero-liquid discharge(ZLD) process entitled Cascaded Fluidised Bed (CaFB) Ice Slurry Generator was proposed for salinity range beyond70,000 ppm, in order to reduce the volume of brine. The issue of scale formation in industrial evaporation process was also studied using a JWP Alfa Laval freshwater generator, modified to be a test rig for spent Bayer liquor for a 14-day continuous trial.",

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N2 - A new distributed boosted multi-effect distillation (DBMED) process was developed for low-grade heat source in the temperature range 65 °C- 90 °C. NPV and IRR indexes were used to analyse the economic viability of DBMED. A novel zero-liquid discharge(ZLD) process entitled Cascaded Fluidised Bed (CaFB) Ice Slurry Generator was proposed for salinity range beyond70,000 ppm, in order to reduce the volume of brine. The issue of scale formation in industrial evaporation process was also studied using a JWP Alfa Laval freshwater generator, modified to be a test rig for spent Bayer liquor for a 14-day continuous trial.

AB - A new distributed boosted multi-effect distillation (DBMED) process was developed for low-grade heat source in the temperature range 65 °C- 90 °C. NPV and IRR indexes were used to analyse the economic viability of DBMED. A novel zero-liquid discharge(ZLD) process entitled Cascaded Fluidised Bed (CaFB) Ice Slurry Generator was proposed for salinity range beyond70,000 ppm, in order to reduce the volume of brine. The issue of scale formation in industrial evaporation process was also studied using a JWP Alfa Laval freshwater generator, modified to be a test rig for spent Bayer liquor for a 14-day continuous trial.

KW - Desalination

KW - MED

KW - Thermo-economic

KW - Waste heat

KW - Brine management

KW - Zero liquid discharge

KW - Fluidised bed

KW - Water

U2 - 10.26182/50pz-1563

DO - 10.26182/50pz-1563

M3 - Doctoral Thesis

ER -

Low grade waste heat thermal desalination and novel brine management

Abstract

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