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A low energy process for the recovery of bioproducts from cyanobacteria using a ball mill

Bangaru Balasundaram, Stephen C. Skill, Carole A. Llewellyn, Steve Skill Orcid Logo

Biochemical Engineering Journal, Volume: 69, Pages: 48 - 56

Swansea University Author: Steve Skill Orcid Logo

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DOI (Published version): 10.1016/j.bej.2012.08.010

Abstract

Efficient and economical large scale bioprocessing of microalgae to produce a range of bio-products, working towards a biorefinery approach, is critical for the success of algal industrial biotechnology. The key process variables that affect the recovery of products from different sub-cellular locat...

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Published in: Biochemical Engineering Journal
Published: 2012
URI: https://cronfa.swan.ac.uk/Record/cronfa28852
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first_indexed 2016-06-13T18:24:57Z
last_indexed 2018-02-09T05:13:24Z
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spelling 2016-07-25T16:11:24.2842387 v2 28852 2016-06-13 A low energy process for the recovery of bioproducts from cyanobacteria using a ball mill f7851c38f3019243981f40a4b271e7bb 0000-0001-6777-7488 Steve Skill Steve Skill true false 2016-06-13 SBI Efficient and economical large scale bioprocessing of microalgae to produce a range of bio-products, working towards a biorefinery approach, is critical for the success of algal industrial biotechnology. The key process variables that affect the recovery of products from different sub-cellular locations were investigated using a high throughput cell disruption system and a cyanobacterium as model organism. This information was then used to design and test a differential recovery procedure at pilot scale using a custom designed ball mill that consumed 1.87. kWh/kg of dry biomass used approximately 34% lower than the best algal disruption system reported. The balance between the number of collisions and force of each collision between grinding media and the microorganism were manipulated to achieve differential recovery. Greater than 99 and 95% solids were recovered at the end of first and second ball milling step respectively through gravity sedimentation, an energy efficient solid-liquid separation technique. Based on these results and the release rates of intracellular and/or extracellular products tested, a theoretical framework is presented for the design of a differential recovery process using ball mills. Journal Article Biochemical Engineering Journal 69 48 56 15 12 2012 2012-12-15 10.1016/j.bej.2012.08.010 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2016-07-25T16:11:24.2842387 2016-06-13T16:32:41.9152179 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Bangaru Balasundaram 1 Stephen C. Skill 2 Carole A. Llewellyn 3 Steve Skill 0000-0001-6777-7488 4
title A low energy process for the recovery of bioproducts from cyanobacteria using a ball mill
spellingShingle A low energy process for the recovery of bioproducts from cyanobacteria using a ball mill
Steve Skill
title_short A low energy process for the recovery of bioproducts from cyanobacteria using a ball mill
title_full A low energy process for the recovery of bioproducts from cyanobacteria using a ball mill
title_fullStr A low energy process for the recovery of bioproducts from cyanobacteria using a ball mill
title_full_unstemmed A low energy process for the recovery of bioproducts from cyanobacteria using a ball mill
title_sort A low energy process for the recovery of bioproducts from cyanobacteria using a ball mill
author_id_str_mv f7851c38f3019243981f40a4b271e7bb
author_id_fullname_str_mv f7851c38f3019243981f40a4b271e7bb_***_Steve Skill
author Steve Skill
author2 Bangaru Balasundaram
Stephen C. Skill
Carole A. Llewellyn
Steve Skill
format Journal article
container_title Biochemical Engineering Journal
container_volume 69
container_start_page 48
publishDate 2012
institution Swansea University
doi_str_mv 10.1016/j.bej.2012.08.010
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 0
active_str 0
description Efficient and economical large scale bioprocessing of microalgae to produce a range of bio-products, working towards a biorefinery approach, is critical for the success of algal industrial biotechnology. The key process variables that affect the recovery of products from different sub-cellular locations were investigated using a high throughput cell disruption system and a cyanobacterium as model organism. This information was then used to design and test a differential recovery procedure at pilot scale using a custom designed ball mill that consumed 1.87. kWh/kg of dry biomass used approximately 34% lower than the best algal disruption system reported. The balance between the number of collisions and force of each collision between grinding media and the microorganism were manipulated to achieve differential recovery. Greater than 99 and 95% solids were recovered at the end of first and second ball milling step respectively through gravity sedimentation, an energy efficient solid-liquid separation technique. Based on these results and the release rates of intracellular and/or extracellular products tested, a theoretical framework is presented for the design of a differential recovery process using ball mills.
published_date 2012-12-15T03:35:13Z
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score 11.037144

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