Archive for March, 2011

Discharge of process water into tailings ponds is associated with many mining operations, including that of bitumen. These tailings ponds can be used to grow organisms, such as algae, which, in turn, fix CO₂ and degrade unwanted dissolved components. After processing, algae can be used for the production of fuels (for example, biodiesel or methane). In this work, we explored the potential for growth of a unicellular algae, Chlorella pyrenoidosa, in tailings water from an oil sands mining and upgrading operation. Once we determined that it was possible to grow algae in the tailings water, we designed and optimized minimal growth media for biomass (algae) production and did a preliminary engineering estimate of the potential for CO₂ fixation. The medium components required for growth of C. pyrenoidosa in 95% oil sands tailings water (OSTW) were screened using a two-level full factorial experiment. Sodium nitrate, phosphate, and Fe-ethylenediaminetetraacetic acid (EDTA) were the most important medium components. After this work, response surface methodology (RSM) was used to find the optimum concentrations of these nutrients. The optimum concentrations of sodium nitrate, phosphate, Fe-EDTA, and trace metal solution were 11.9 mM, 9.4 mM, 49.5 μM, and 2 mL/L, respectively. On the basis of an optimized specific growth rate of 0.085 g L⁻¹ day⁻¹, it was estimated that 12 million tons/year of CO₂ could be fixed by C. pyrenoidosa growing in the tailings ponds in the Athabasca region of Canada. This value has to be considered optimistic because of fluctuations in temperature, light, and other growing conditions, which would be experienced in the full-scale system.

Full text here: http://pubs.acs.org/stoken/campaign/acs/full/10.1021/ef101503h

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The California Strawberry Commission, is a state-chartered agency of the California Department of Food and Agriculture.^[1] Established by the California State Legislature in 1993, the commission replaced the California Strawberry Advisory Board.^[2] The commission represents nearly 600 strawberry shippers, processors and growers within the state of California. The commission is not funded by tax payers but by self-taxation or assessments on California strawberry growers. The amount assessed is approved annually by the commission board of directors.^[3][4] This assessment pays for the commission’s activities and projects.

MyronLMeters.com is proud to do business with the CSC.  You can find more about this fine organization at http://calstrawberry.com/default.asp

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Nalco Company is the world’s largest sustainability services company focused on industrial water, energy and air applications. We help our customers reduce energy, water and other natural resource consumption, minimizing environmental releases while boosting the bottom line. Through our sales, service, research and marketing team of more than 7,000 technically trained experts, we serve nearly 50,000 customer locations in over 150 countries.MyronLMeters.com is proud to do business with Nalco.  

Learn more about this fine company at Nalco.com 

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http://pdfhere.com/cooling-tower-pdf/

Free ebooks on cooling towers.

http://pdfhere.com/water-treatment-pdf/

Free ebooks on water treatment.

http://pdfhere.com/pool-disinfection-pdf/

Free ebooks on pool disinfection.

http://pdfhere.com/dialysate-pdf/

Free ebooks on dialysate.

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http://www.sciencedaily.com/releases/2011/03/110316084423.htm

ScienceDaily (2011-03-15) — Wealthy, well-educated people who choose to drink bottled water rather than water from public supplies may be no less exposed to potentially cancer-causing water contaminants, according to new research.

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ULTRAPEN PT1 Conductivity – TDS – Salinity Pen

Poor Myron L Meters.  He spends so much time thinking about water quality, he can’t think of any way to forge exciting new business partnerships. Please help Myron by sending any interesting ways to partner – marketing, joint ventures, cross-promotion, etc. – to MyronLMeters@gmail.com. Or hit us up on Facebook, Twitter (@MyronLMeters), or LinkedIn.

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