By Heather Jennings, PE, Senior Project Engineer for Probiotic Solutions® I was attending a wastewater conference and overheard an operator talking about how a drug bust turned his lagoon orange and almost put him out of compliance with his permit. At another location, I was told that the city I was visiting had been hit by
By Jael Batty The UN warns that by 2030, over half the world will be water-stressed, affecting food production and increasing exposure to waterborne disease. There is enormous potential in directly recycled wastewater. Unfortunately, attempts at wastewater recycling have historically been shot down by the public.1 Thus, most treated wastewater is dumped into oceans and
While controversial among activists and consumers, land application of septic and sewage sludge is not a new practice. Farmers have been land-applying raw sewage––at one time called "Night Soil"––to fields and crops for centuries.
A plastic manufacturer in Taiwan needed a new process to efficiently treat elevated incoming chemical oxygen demand (COD) to comply with stringent EPA regulations for effluent discharge. The plant is an activated sludge treatment system with an influent of approximately 2,000 cubic meters per day (CMD) which is equivalent to approximately 530,000 gallons per day
A citrus plant struggled with poor settling in the clarifier of its wastewater treatment, which caused the sludge blanket to remain high. Even at a low flow rate of 1.2 million gallons per day (MGD), the high sludge blanked allowed less than 18” of free board. The slightest flow increase caused solids to carry over
Using our proprietary Micro Carbon Technology®, Probiotic Solutions® product BIO ENERGIZER® efficiently reduces sludge, odor, BOD, COD, and FOG’s. It's a scientific formulation of organic acids, buffers, and nutrients designed to stimulate natural biological ecosystems that increase biooxidation of sludge in wastewater treatment plants, lagoons, and ponds. It also reduces grease and solids accumulation problems
By Jael Batty Constructed wetlands, which mimic natural wetlands, treat municipal and industrial wastewater, mine drainage, small business and household greywater, animal wastes, and agricultural and stormwater runoff. They are recommended by regulatory agencies as a best management practice to control urban runoff. Read more about constructed wetlands
Bacteria break down organic material in wastewater and form the floc that settles and separates solids from liquids. Controlling F/M ratio–a vital component to creating a favorable environment for wastewater bacteria–can be accomplished through the use of bioremedial products.
By Jael Batty Water quality can be evaluated quickly, efficiently, and cost-effectively through the use of bioindicators. The presence and activities of microorganisms can indicate changes in system operations and point to the source and magnitude of an issue.1 amoebae Protozoa Approximately 4% of the microorganisms in wastewater are protozoa, which are single-celled
Paper Mill Wastewater Treatment System Project Summary A paper mill wastewater treatment facility uses diammonium phosphate to maintain a healthy microbial population. These microorganisms, which break down the organic matter, require the correct concentration of available phosphorus, without which the microorganisms are unable to grow and reproduce. Continue reading.
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