Mining water management for reduced environmental impact

The management of mining water is a critical environmental concern. Mining is an essential function because of all the valuable products it produces, including precious metals and gems, bulk minerals like bauxite and limestone, important refineable metal products, and coal. … Continue reading

Proposed White House budget slashes scientific funding

President Donald Trump’s proposed $1.15 trillion budget for fiscal year 2018 makes defense spending a priority with a $54 billion increase over last year, but delivers huge cuts to science, according to Science News. The Environmental Protection Agency (EPA) will … Continue reading

Industry Update: Researchers develop mercury-absorbing sponge

Researchers from the University of Minnesota College of Food, Agricultural and Natural Sciences have developed a sponge capable of absorbing mercury contamination at high rates, according to an article in Interesting Engineering. The sponge, which uses a thin selenium surface … Continue reading

Industry Update: Obama finalizes Stream Protection rule affecting mining industry

The Obama administration along with the U.S. Department of the Interior finalized a rule to protect 6,000 miles of streams and 52,000 miles of forests over the next 20 years by forcing coal companies to avoid mining in areas that … Continue reading

Environmental Update: EPA amends Risk Management Programs for chemical facilities

The U.S. Environmental Protection Agency (EPA) finalized a rule amending its Risk Management Program (RMP) regulations to reduce the likelihood of accidental releases at chemical facilities and improve emergency response activities when those releases occur. T800; assist local emergency authorities … Continue reading

The basics of activated carbon adsorption

Activated carbon has more than 2,500 commercial product applications. Most wastewater plants use the carbons to purify the water and air leaving a facility. However, you will not find their characteristics and properties covered in “formal” education. You learn about … Continue reading

EPA names first chemicals for review under new TSCA legislation

The Environmental Protection Agency (EPA) announced the first ten chemicals it will evaluate for potential risks to human health and the environment under Toxic Substances Control Act (TSCA) reform. The new law gives the agency the power to require safety … Continue reading

Discharge permit challenges

Maintaining consistent, compliant wastewater discharge at all times is vitally important since wastewater treatment plants operate 24 hours per day, seven days a week. Official discharge permit sampling is required periodically, but it is equally important to maintain consistent wastewater … Continue reading

Professor POU/POE: Municipal wastewater treatment

Municipal wastewater treatment facilities are commonly called publicly owned treatment works (POTWs). Other domestic treatment systems, called decentralized plants, include septic tanks and other small and package systems. Municipal wastewater treatment converts highly contaminated sewage into safe, beneficial products and … Continue reading

Identifying and responding to problems treating wastewater

Wastewater treatment using lagoons is widespread in certain areas. The lagoon treatment process usually works well for wastewater treatment in some regions, but the regulated lagoon effluent quality is not always met. The most frequent problems are elevated biochemical oxygen … Continue reading