In municipal and industrial wastewater treatment, there has been a shift from manual to automatic process control in order to increase efficiency and improve effluent quality. An increasingly popular approach includes installing a variable frequency drive (VFD) to constantly adjust the amount of air injected into the process to control dissolved oxygen, NH4, and/or NO3 in the wastewater treatment. This approach works well from a process control standpoint.
Wastewater from dairy applications has high amounts of calcium and phosphorus. This characteristic may cause scaling on the media of a Moving Bed Biofilm Reactor and may cause poor COD removal. Veolia was able to retrofit the client’s existing MBBR with the newly designed Z-MBBR media by AnoxKaldnes, which improved the operation of the entire wastewater system.
A natural gas-fired combined cycle power generation facility located in Idaho contacted QUA to find a solution to improve the performance of a water treatment system used to recycle the plant’s cooling tower blow down water.
The Poultry Capital of the World is a city in northwest Arkansas in the heart of the Ozark Mountain range. Springdale, Arkansas, the fourth largest city in the state, is the headquarters for Tyson Food Corporation, the world's largest meat-producing company. The city was founded in the mid-1800s and has been a hub for agriculture and industry in the region since then. In addition, the region is home to outdoors activities like fishing, hunting, camping, boating, etc., and the natural, outdoors life is enjoyed by many residents as well as visitors to the area.
Chemical, petrochemical, and oil-reﬁning plants are process-intensive operations with regulatory requirements to protect the surrounding water and air from the effects of industrial pollution. These external demands are matched by equally compelling internal pressures to address product puriﬁcation needs, ﬁnd alternatives to utilizing costly fresh water in production processes, reduce the carbon footprint, and operate efficiently and proﬁtably.
In February of 2014, due to severe drought conditions, the Federal Bureau of Reclamation informed central California farmers that they would receive no irrigation water from the lakes, canals and reservoirs under the Bureau’s control.
Most of us understand little about Africa and less about Nigeria. Nigeria is the largest country in Africa in terms of population and economy and ranks high globally on both lists as well. The population of 184 million makes it the seventh largest in the world and the economy is in the top twenty with a GDP of $500 billion. It is also a very young country and an increasingly urbanized country - more than half the population is under 14 years old and the same percentage live in cities..
Orpic (Oman Oil Refineries and Petroleum Industries Company) required a thermal seawater desalination solution as part of its Sohar refinery improvement project to ensure an uninterrupted supply of fresh feed water to for its boilers.
South Africa is a partner of a large number of industrial nations throughout the world. Very promising future domestic markets are the automotive industry and the infrastructure sector. Festo South Africa has already grown to a significant size in both sectors over the years.
AdEdge Water Technologies was recently engaged by Pharmaceutical Services & Installations (PSI) to provide a treatment option for the Century Packaging Corporation in Las Piedras, Puerto Rico.
London’s Heathrow Airport is one of Europe’s busiest airports catering for more than 200,000 passengers each day with an average of 1,200 flights arriving and departing from the airport daily. Heathrow Airport Water Services Department has an extensive network of 120 pumping stations to manage and they agreed to install and trial Xylem’s new state-of-the-art Flygt wastewater pumping system in an effort to solve chronic clogging issues at one of the airport’s wastewater pumping stations.
Vaporization provides an environmentally friendly option for the delivery of natural Ecosorb®. No water is used in the vaporization process, only undiluted Ecosorb. Through the vapor phase unit, pure Ecosorb® products are pumped through a perforated pipe distribution system, creating a dry vapor to eliminate airborne smells.
Ecosorb® atomizing systems offer odor control against malodors associated with various industrial processes as well as odorous material handling. To eliminate any odor, Ecosorb® atomization systems come in a variety of formats, including explosion-proof systems, high-pressure atomization systems, air atomization systems, fan atomization systems, portable systems and custom designed systems, if needed.
A special spray gel formulation of Ecosorb® odor eliminator topically encapsulates material, blocking odors from escaping into the atmosphere. Ecosorb® Spray Gel® is an ideal solution for sludge handling and transportation, open-bed waste trucks, working faces of landfills, soil remediation projects, and other solid/semi-solid odorous materials that continuously emit odors.
The IMS Lime Slaker Systems provide continuous high volume lime slurries (up to 8,000 lbs/hour) for industrial and municipal process pH adjustment, flocculation, and chemical reaction. The superior paste-type slaking technology consistently produces a higher strength and more reactive lime slurry resulting in more efficient and more economical use of the quicklime. Systems are factory assembled and tested for quick and easy installation, and include options for lime feed and grit removal.
Northern California Power Agency (NCPA) selected SUEZ as a single-source provider to design and supply an integrated water treatment solution consisting of four water treatment systems for its new 300 MW combined cycle natural gas power plant in Lodi, California.
From the brand you trust comes a turbidimeter that simplifies testing in the most demanding wastewater and industrial applications.
With the change in administration comes a potential paradox for water and wastewater treatment in the oil and gas industry: Will increased production accompanied by decreased regulations call for more treatment technology or less? Either way, the market is poised for change.
In the Himalayan mountains, irrigation can be a challenge. There are few affordable pumping technologies accessible for poor farmers, and they come with high maintenance costs.
Nitrogen and phosphorus are essential nutrients — yet too much of a good thing is not always a good thing. Scientists are investigating nutrient pollution down the Mississippi River.
With water availability becoming an issue all over the country, industrial operations are having to look at their usage. Cooling towers provide an ample opportunity for these operations to cut back on their water costs and footprint by utilizing recycled wastewater, but in order to do so, they will have to consider their filtration options. With many different technologies available, it can be hard to determine the right fit.
Many utilities and industries today face increasing pressure to lower costs and improve sustainability. Reducing electrical usage — or even selling electricity back to the grid — helps to accomplish both of these goals, and anaerobic digesters may play a part in doing so.
The Global Cleantech 100 identifies nine innovative water/wastewater technologies set to make significant market impact in the next decade.
On a warm December day, I stood in a jojoba field in the Negev Desert in southern Israel and watched water slowly seep up from the ground around the trees. First a tiny spot, then spreading, watering the plants from deep below. This highly efficient system is known as drip irrigation, and I was there to meet with the world’s leading drip irrigation company, Israel-based Netafim.
Farmers in Uganda and in developing countries around the world are facing major energy and waste management issues. There are anaerobic digestions systems to help farmers manage agricultural waste from plants and animals, but there’s a problem.
For centuries, scientists believed that silicon — an element that accounts for nearly 28 percent of the earth’s crust — had little to do with life-sustaining processes in animal and plants. But in the last couple of decades, science has begun to recognize something new: Silicon can reduce the effects of various stressors on plants, including water stress. This ubiquitous, but overlooked, mineral could be the key to more resilient crops worldwide.
For years, I’ve been standing on my deck in San Francisco, looking south to Silicon Valley for innovation in water efficiency. But I’m starting to realize that I might have been gazing in the wrong direction. Maybe I need to turn around and look north, over the spires of the Golden Gate Bridge, toward the Emerald Triangle in Humboldt, Mendocino and Trinity counties, the hotbed of California’s newly legalized commercial cannabis production.
Water reuse is trending up. Here are nine developments to watch in 2017.
Chicago continues its long tradition of innovative biosolids management by introducing a new model for sustainability and community service.
In wastewater treatment, aeration systems are more than just critical. They can be seen as the central nerve of the whole operation, the part of the process that usually costs the most to run and can cause the most havoc when it malfunctions.
Agricultural production is one of the most important sectors of the U.S. economy, contributing more than $300 billion to the country each year. When food service and other agriculture-related industries are included, this figure rises to over $750 billion.