Product category:
Climate Change and CO2/Carbon Capture
News Release from: Geo-Processors USA | Subject: CCS technology
Edited by the Processingtalk Editorial
Team on 01 March 2007
Carbon capture and storage breakthrough
Geo-Processors USA has recently completed the development of an innovative Carbon Capture and Storage (CCS) technology following successful initial process trials in Australia
Los Angeles based Geo-Processors USA announces that it has recently completed the development of an innovative Carbon Capture and Storage (CCS) technology following successful initial process trials in Australia The technology - identified as Carbon Capture and Products Recovery (CCPR) system - enables efficient capture of CO2 from ambient air or point-sources and then conversion to useful mineral byproducts for industrial use or recycling
This article was originally published on Processingtalk on 29 Aug 2008 at 8.00am (UK)
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Central to this breakthrough technology is the beneficial use of massive volumes of bicarbonate-rich water produced as waste by oil / gas production, coal mining and coal power stations and desalination processes - and is currently a source of significant environmental concerns and operational costs to these industries.
A typical CCPR system commences first with treatment of the alkaline produced water in the Geo-Processors proprietary SAL-PROC technology using cheap lime - or dolime - to generate a caustic spent water and a useful byproduct.
The caustic spent water is brought into contact with CO2 of ambient air (or from a point-source) and then reacted again with lime to regenerate calcium carbonate and an alkaline water which is suitable for the next round of CO2 capture.
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This system is a closed-loop system because beyond the first reaction step a steady-state chemical situation is set up, thus enabling the repetition of the CO2 Capture - calcium carbonate precipitate cycle.
Depending on the scale and number of cycles applied in each case, the spent water from the last reaction step can be either treated in the SAL-PROC process to recover other valuable byproducts or converted to dry salt for landfill disposal.
The byproducts recovery steps may include production and recycling of calcium oxide.
The co-generated high-grade CO2 gas from the calcining step may be partly used in the process for production of a high-value mineral product and the unused portion sold for other industrial applications or sequestrated.
"This technology will provide multiple benefits from its commercial application" said the President and Chief Technologist of Geo-Processors, Dr Aharon Arakel.
"For the first time it will enable large-scale use of alkaline produced water as a resource rather than a waste stream, particularly in oil and gas industries and desalination processes where disposal costs are high and currently this water is regarded as a source of significant liability for industries around the globe.
"This beneficial use also eliminates a major cost factor associated with the use of synthetic caustic sorbents proposed in other CO2 gas capture processes".
"In essence Geo-Processors have made a major leap towards a paradigm shift in produced water management from a "wastewater disposal" to "resource recovery" strategy.
"The potential for large-scale beneficial use of produced water and at the same time generating carbon credit for trading, plus the flexibility in linking our CCPR technology with other CO2 sequestration processes is already reflected by the quality of expressions of interest that we have received from carbon trading and general investment community," Dr Arakel said: "We are currently studying a number of proposals received for technology commercialisation while also considering site options for large-scale demonstration of our technology following the completion of design and preliminary performance test work on our innovative contactor system.
We particularly see a significant scope for establishing regional R and D and investment partnerships, and also welcome expressions of interest from major oil/gas companies and energy utilities who may have sites potentially suitable for technology demonstration".
Geo-Processors Pty is a privately owned greentech company headquartered in Sydney, Australia.
Its business focus is on the development and commercialisation of cost effective technologies for sustainable solutions for land and water salinity control, water reclamation and greenhouse CO2 mitigation.
SAL-PROC, ROSP and SEPCON represent company's proprietary platform technologies and form the basis of sustainable technology solutions offered by Geo-Processors to industry and government agencies in Australasia, Middle East, North America and South Africa.
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