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Growth condition study of algae function in ecosystem for CO2 bio-fixation

Paper ID Volume ID Publish Year Pages File Format Full-Text
29812 44441 2012 8 PDF Available
Title
Growth condition study of algae function in ecosystem for CO2 bio-fixation
Abstract

Algae niche play a crucial role on carbon cycle and have great potential for CO2 sequestration. This study was to investigate the CO2 bio-fixation by the high rate pond (HRP) to mimic the algae function of nature. All the reactors can keep CO2 consumption efficiencies over 100%. The statistical analyses proved HRPs were close to the natural system from all the growth conditions. The HRP could show the “natural optimization as nature” to perform as well as the artificial reactor of continuously stirred tank reactor (CSTR). In the nutrition study, the carbon mass balance indicated CO2 was the main carbon source. Accordingly, the HRPs can keep a neutral pH range to provide dissolved oxygen (DO), to promote total nitrogen (TN)/total phosphorous (TP) removal efficiencies and to demonstrate self-purification process. Furthermore, the observations of different nitrogen species in the reactors demonstrated that the major nitrogen source was decided by pH. This finding logically explained the complex nitrogen uptake by algae in nature. Consequently, this study took advantage of HRP to explore the processes of efficient CO2 uptake with the corresponding growth condition in the ecosystem. Those results contributed the further understanding of the role of CO2 bio-fixation in nature and demonstrated HRP could be a potential ecological engineering alternative.

► Excellent CO2 consumption efficiency in the high rate pond with natural medium. ► Further understanding of the growth condition of CO2 bio-fixation in nature. ► Demonstrate the potential of CO2 fixation in high rate pond as a new alternative.

Keywords
Growth condition; CO2 bio-fixation; Natural medium; High rate pond
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology B: Biology - Volume 107, 6 February 2012, Pages 27–34
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us