Navigation Links
Algal turf scrubbers clean water with sunlight
Date:5/31/2011

An article published in the June issue of BioScience describes the early scale-up stage of a new biotechnology with environmental benefits and possible commercial potential. Algal turf scrubbers are field-sized, water-treatment systems that can extract excess nutrients from streams, canals, and lakes polluted by agricultural, domestic, and some industrial runoff. They use sunlight as their principal source of energy and simultaneously restore oxygen levels. The devices work by pulsing contaminated water across algae that are allowed to grow on screens. Algal turf scrubbers produce waste suitable for use as a nitrogen- and phosphorus-rich fertilizer and for conversion to biofuel or high-value nutraceuticals. Some algal turf scrubbers can even operate in open water, thus minimizing loss of agricultural land to the systems.

The BioScience article, by Walter H. Adey of the Smithsonian Institution, Patrick C. Kangas of the University of Maryland, and Walter Mulbry of the US Department of Agriculture, notes that the need to clean wastewater and various types of runoff contaminated with nitrogen and phosphorus is immediate in many places where natural waters are polluted. Furthermore, some ecologists are worried about global supplies of phosphorus for use in fertilizer, so the byproduct could become more valuable over time.

The article stresses that algal turf scrubbing is not likely to ever be profitable just as a way of making fuel. Although more productive than terrestrial crops, algae, like other potential sources of biofuel, are expensive to cultivate, harvest, process, and convert into useful amounts of energy. But algal turf scrubbing could become common if the economic value of nutrient removal can be applied to the cost of building and running the units. That might depend on public policy that imposes a predictable cost on pollution of natural waters. But the fuel, fertilizer, and nutraceutical byproducts from algal turf scrubbi
'/>"/>

Contact: Tim Beardsley
tbeardsley@aibs.org
202-628-1500
American Institute of Biological Sciences
Source:Eurekalert

Page: 1 2

Related biology news :

1. Algal antifreeze makes inroads into ice
2. First harmful algal bloom species genome sequenced
3. Brown tide culprit sequenced: Genome of the first of algal bloom species
4. Forecast system to warn of toxic algal outbreaks along Texas shoreline
5. Battling harmful algal blooms
6. New research to improve management of harmful algal blooms in Puget Sound
7. New research aims to unravel how phosphorus pollution drives toxic algal blooms in the Great Lakes
8. Genome signatures enable tracking of algal complexity
9. DOE awards UC San Diego consortium $9 million for algal biofuels research
10. Ben-Gurion U researchers isolate microalgal strain that could reduce cholesterol
11. Is iron from soil a factor in algal blooms?
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:6/17/2015)... Germany , June 17, 2015 ... QIA) today launched new Investigator ® STR assay kits ... the United States . The new genetic fingerprint ... genomic markers (short tandem repeats or STRs) for DNA matching. ... the quality of DNA in each sample, a novel QIAGEN ...
(Date:6/16/2015)... , June 16, 2015 /CNW Telbec/ - ... partnership centralized around the incorporation of handyem,s HPC-150 ... diagnostic laboratory, the Mo-POD™. This unprecedented model of ... International Conference at the Pennsylvania ... from June 15 th to 18 th ...
(Date:6/16/2015)... GOTHENBURG, Sweden , June 16, 2015 ... 2015 from previously communicated that it will amount to at ... 390 MSEK. Due to the rapid increase in market growth ... from the previously communicated guidance that revenue for 2015 will ... 2015 will amount to approximately 2,200 MSEK. Due ...
Breaking Biology News(10 mins):QIAGEN Launches New Genetic Fingerprinting Kits for U.S. Forensic Labs 2QIAGEN Launches New Genetic Fingerprinting Kits for U.S. Forensic Labs 3QIAGEN Launches New Genetic Fingerprinting Kits for U.S. Forensic Labs 4QIAGEN Launches New Genetic Fingerprinting Kits for U.S. Forensic Labs 5handyem and FlowMetric Diagnostics announce their partnership in the development of Flow Cytometry- Based Solutions in diagnostic capabilities 2handyem and FlowMetric Diagnostics announce their partnership in the development of Flow Cytometry- Based Solutions in diagnostic capabilities 3Fingerprint Cards Raises the Revenue Guidance for Q2 2015 and for the Full Year 2015 2Fingerprint Cards Raises the Revenue Guidance for Q2 2015 and for the Full Year 2015 3
... Nitrous oxide is a potent greenhouse gas and a ... the ozone. Intensively managed, grazed pastures are responsible for ... excrement. Biochar is potentially a mitigation option for reducing ... carbon can be sequestered in the soil. Biochar also ...
... 17, 2011 (BRONX, NY) Researchers at Albert ... that members of an enzyme family found in humans and ... in regulating cell motility. Their findings suggest an entirely new ... cancer. , David Sharp, Ph.D. , associate professor of ...
... now lives in cities, yet we know little about how ... kind, ecologists in Indianapolis, USA have used 70 year-old dried ... plants. The results are published this week in the British ... Dr Rebecca Dolan, director of the Friesner Herbarium, Butler University, ...
Cached Biology News:Can biochar help suppress greenhouse gases? 2Enzyme can steer cells or possibly stop them in their tracks 2Ecologists use 70-year-old pressed plants to chart city's vanishing native flora 2
(Date:6/30/2015)... Kjell Lindgren , who is making final preparations for ... International Space Station , will be available for live ... 7. Lindgren will participate from the Gagarin Cosmonaut ... The interviews will be preceded at 7:30 a.m. by a ... To schedule an interview, media must contact Stephanie Stoll ...
(Date:6/30/2015)... Americord Registry, one of the fastest growing cord blood banks ... at Kirkland & Ellis LLP, as the newest member of ...   "We are thrilled about Andrew Horne,s ... , CEO of Americord. "He brings a wealth of knowledge ... growth and vision." Andrew Horne is ...
(Date:6/30/2015)... ... 2015 , ... With its latest polyacrylonitrile (PAN) membrane, Sterlitech ... flow rates in comparison to nylon or polyethersulfone (PES). Its unique nanofiber ... liquid flow while trapping particulates as small as 0.2 micron in width. , ...
(Date:6/30/2015)... ... June 30, 2015 , ... The maximum number of shares ... outstanding common shares (including shares of unvested restricted stock). On June 29, 2015, the ... price of Cryo-Cell’s shares reported on the OTCBB was $2.29 per share. , The ...
Breaking Biology Technology:NASA Astronaut Preps for First Space Station Mission, Available for Media Interviews 2Americord Registry Announces Andrew Horne as Advisory Board Member 2New Nanofiber Membrane Provides Fast, Efficient Filtration 2Cryo-Cell Commences Tender Offer to Purchase its Common Stock, Up to 750,000 Shares at $3.25 per Share 2Cryo-Cell Commences Tender Offer to Purchase its Common Stock, Up to 750,000 Shares at $3.25 per Share 3
... (USP) Convention,an official public standards-setting authority for all ... on December 4, 2008,transferred all rights, ownership and ... This announcement comes one year after Quantros,and ... all,operations, support, marketing and sales for the MEDMARX ...
... magazine profiles the best up-and-coming young investigators, selected by the ... NEW YORK, Dec. 8 Genome Technology magazine has named ... "Tomorrow,s PIs" special edition. , , ... biological research through the eyes of some of the best ...
... COUNTY, Calif., Dec. 8 Beckman Coulter,Inc. (NYSE: ... simplify, automate, and innovate complex biomedical tests, will host its,Annual ... December 16,2008, from 9:00 a.m. to 12:00 p.m. (ET). , ... ) , The live ...
Cached Biology Technology:Quantros Acquires MEDMARX(R) from United States Pharmacopeia (USP) 2Quantros Acquires MEDMARX(R) from United States Pharmacopeia (USP) 3Quantros Acquires MEDMARX(R) from United States Pharmacopeia (USP) 4Genome Technology Names 2008 'Tomorrow's PIs' 2Genome Technology Names 2008 'Tomorrow's PIs' 3Genome Technology Names 2008 'Tomorrow's PIs' 4
... White crystalline solid. PACKAGED UNDER ... Contaminants: DNases, proteases, RNases: none ... nm): ≤0.500; (100 mM, 1 cm, 280 ... Soluble in H 2 O. RTECS ...
... Genome ChIP-on-chip Microarray is specifically designed ... cerevisiae) DNA binding proteins by pairing ... microarrays. This set delivers robust hybridization ... true binding events and fewer false ...
... Salmonella genomes has allowed the development of ... pairs. The S. enterica Typhimurium (strain LT2) ... bp; 4,440 ORFs) and a plasmid, pSLT ... Sigma-Genosys have been designed to amplify all ...
... productivity and allows you to achieve a higher ... beyond traditional paper-based weighing processes into a powerful ... Control of ... PR, SR, PG-S, PG, SG, AT, MT, UMT, ...
Biology Products: