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PS Article Published in Tri-State Seminar Proceedings

An article by Heather Jennings, PE, Director of Probiotic Solutions®, has been published in Tri-State Seminars Magazine, the proceedings of the 36th Annual Tri-State Seminar held August 9–12, 2021, in Las Vegas, Nev. Ms. Jennings was a featured presenter at the seminar, which provides training and certification classes to educate water professionals from Arizona, California, and Nevada.

In her presentation and the resulting published article, titled “Lagoons, Under the Surface,” Ms. Jennings discussed the results of an in-depth investigation of bioremediation and biological factors involved in reducing sludge at a municipal wastewater treatment facility lagoon system.

A one-year bioremediation plan was implemented for a municipal wastewater treatment facility with 2 primary lagoons in which sludge depths had reached 5–7 feet. The lagoons were at risk of upset and wastewater processing capacity was reduced. Sludge levels were reported for baseline and quarterly sludge judging, supplemented with ATP and DNA analyses of the microorganism biomass. The results of the ATP and DNA analyses pointed out the often-misunderstood fact that wastewater treatment facility lagoon sludge is not inert: it is the most biologically active layer of the water column and can be efficiently controlled and reduced through proper bioremediation interventions. Sludge depth was biologically reduced by an average of 45%. This represented 17,800 dry tons of sludge that did not need to be mechanically removed and hauled to a disposal location, a potential savings of over $6 million.

The complete article can be found on pp. 28–31 of the 2-2021 issue of Tri-State Seminars Magazine at https://www.kelmanonline.com/httpdocs/files/Tri-State-Seminar/issue2-2021/index.html.

Humic Acid Biostimulant Research by BHN Humic R&D Lab Scientists Published in Int’l Agronomic Journal

In its May 2021 issue, Frontiers in Plant Science published a research article by BHN Humic R&D Lab scientists Dr. Hiarhi Monda, Ryan Fountain, and Dr. Richard T. Lamar in collaboration with Dr. Amy McKenna of the National High Magnetic Field Laboratory, Ion Cyclotron Resonance Facility, Tallahassee, Fla.

The research, titled “Bioactivity of Humic Acids Extracted from Shale Ore: Molecular Characterization and Structure-Activity Relationship With Tomato Plant Yield Under Nutritional Stress,” revealed an unprecedented level of molecular characterization made possible by means of ultra-high resolution ion cyclotron mass spectrometry, providing a more comprehensive understanding of individual components of humic substances involved in enhancing plant productivity.

A detailed characterization of chemical composition becomes critical as new government regulations of biostimulant products will require the elucidation of the mode of action in order to supply farmers with effective product claims based on science.

The objective of this study was to investigate in detail the chemical features of humic acids (HAs) extracted from sedimentary ore with the aim of exploring the potential relationship of chemical functions with biostimulant activity and to evaluate the extent to which the priming effect of HAs on tomato plants under nutritional stress was reflected on the yield gains. 

The results of this study proved the biostimulant efficacy of humic acid application that improved nutrient use efficiency and at the same time alleviated the nutritional stress condition. All tomato plants treated with humic acids showed faster adaptation to stress conditions, particularly when nutrient deficiency occurred. Plant growth and tomato yield increased when provided with humic acids under low nutritional doses, and tomato fruit quality was improved under all humic acid treatments.

The increased antioxidants production under humic application has been correlated to the presence of specific molecules in the humic extract. These molecules, such as quinones and flavonoids, can act as both antioxidants and pro-oxidants that can trigger the plant defensive system, ultimately leading to a fast and effective response to nutrient deficiency with a consequent enhancement of plant morphology and productivity.

Among the study’s conclusions are that plant pre-conditioning with humic substances might represent an important determinant in the adaptive plant defense response and an effective strategy to improve nutrients management and plant yield.

The complete open-access article is available at https://www.frontiersin.org/articles/10.3389/fpls.2021.660224/full.

Use of Biostimulants & Buffers for Upset Recovery at Paper Mill Wastewater System

Industrial Water & Wastes Digest has published a Probiotic Solutions® article, “Use of Biostimulants & Buffers for Upset Recovery at Paper Mill Wastewater System.”

Two specific Probiotic Solutions liquid bioremediation products were used to address process upsets at a paper mill in China. The products involved were Bio Energizer (BE)—a scientific formulation of organic acids, buffers, natural biological stimulants, micronutrients and energy systems—and Micatrol (MT), a specialized product that uses organic acid as a substrate to buffer wastewater microbial life. Both BE and MT are complexed with the proprietary Micro Carbon Technology (MCT), a process that converts a soft, humic material into extremely small oxygen-rich carbon molecules. The MCT process results in a carbon source that is an ultra-efficient carrier—due to the micro-carbon molecule’s low molecular weight, greater specific surface area and higher cation exchange capacity—to deliver readily bioavailable nutrients to microorganisms.

In this trial, BE and MT were applied to the biological treatment system of a large-scale paper mill to manage the hydraulic loading from new upstream processes that led to a system upset.

Read the article online at http://www.wwdmag.com/industrial/pulp-paper-undoing-upsets.

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