The Hagerstown Wastewater Treatment Plant in Maryland incorporated several plant modifications, one of which was the conversion of their disinfection process from the use of ozone to UV.
When Plainfield, IN, needed to double their permitted capacity from 2 MGD to 4 MGD at their South wastewater treatment plant, they faced a dilemma. Like most treatment plants, space is at a premium, and compact design was needed not only for the current expansion, including the addition of a post aeration structure, but to preserve as much room as possible for projected future expansions.
The Honouliuli Water Recycling Facility (WRF) includes filtration and UV disinfection to treat to Class R-1 reuse standards for various uses, including irrigation. In order to maintain high-level reuse, simplify maintenance, and reduce operation costs, the Honolulu Board of Water Supply decided to replace its 15-year-old TrojanUV4000™ with a TrojanUVSigna™. With the high cost of power in Hawaii, this system upgrade will provide significant power savings (estimated at 75%) and will enable equipment payback in less than 2.5 years.
In 2016 Hillsborough County Public Utilities, a forward thinking organization, initiated the first direct potable reuse pilot project in Florida. In its efforts to utilize 100 percent of its reclaimed water, the progressive utility created a successful program to effectively suspend surface water discharges. Read the full case study to learn more.
The Hudson River, in the Capital District of Albany, NY, is a popular recreational area for boating, swimming and fishing. Unfortunately combined sewer overflows following storm events and snow melt from sewer systems dating back to the 1800’s were causing increased fecal coliform counts which in turn resulted in health alerts and limited access to the river. After considering several alternatives, the Albany County Sewer District selected a Wedeco Duron 60i2-2.5X4, with high power Ecoray 600W lamps, for their disinfection system.
The City of Dundee is a growing community with a strong economy boasting three wineries within the city limits and several others in the surrounding Willamette River Valley. The City’s existing WWTP was nearing capacity, and the limited discharge to the Williamette River would not adequately support Dundee’s planned growth.
Facing new limits on acceptable levels of DBPs in the drinking water, as well as age-old complaints about the taste of the water during the summer algal bloom, the North Texas Municipal Water District turned to ozone disinfection as a possible alternative able to address both concerns.
In an effort to reduce reliance on dwindling surface and groundwater supplies in Texas, the Colorado River Municipal Water District (CRMWD) constructed a new Raw Water Production Facility (RWPF) in Big Spring. Big Spring is a 27,000-member community located in West Texas approximately 300 miles west of Dallas. This RWPF treats secondary wastewater to a standard that allows it to be re-introduced directly into the raw water supply for the water treatment plants of Big Spring, Odessa, and other communities in the region.
Read the full case study to learn how the County of Maui Department of Water and IMS determined that spent caustic used at the local wastewater treatment plant and the acid wash solution generated during the cleaning process could be neutralized on-site and disposed through the local wastewater treatment system.
In December 2006, Integrity Municipal Services (IMS) was contacted by the City of California City Plant Manager Greg Fielding to perform an inspection of their RJ-2000® emergency chlorine vapor scrubber system.
The MNI Wiconi Water Treatment Plant in Ft. Pierre, SD was built for the Oglala Sioux Rural Water Supply System between 1997 and 2002 with a grant provided by the U.S. Department of Interior.
In 2014, bids were solicited to design, supply, install, and commission two Emergency Chlorine Scrubber Systems at the La Mesa Treatment Plants 1 and 2 in Quezon City, Philippines.
Desalitech, a provider of high efficiency water treatment solutions, announced that water industry leader Dr. Rafael Simon will serve on the company’s advisory board.
AquiSense Technologies has announced closing Series A funding to become one of the world’s first companies to focus exclusively onwater, air, and surface treatment products using UV-C LEDs.
A scientific breakthrough has taken an emerging biotechnology a step closer to being used to treat wastewater in the Developing World.
Alkame Holdings, Inc. (OTCQB: ALKM), a publicly traded health and wellness technology holding company with a focus on patentable, innovative, and eco-friendly products announced today that High Country Shrimp LLC, the Company's wholly owned subsidiary, has secured a location and begun testing for the company's 'proof of concept,' utilizing the patented Alkame technology for use within the aquaculture industry.
RWL Water, a global leader in water, wastewater and reuse solutions and Química Apollo, one of the leading Mexican companies in chemical treatment services to the oil and gas, power and general industries, are pleased to announce the creation of a joint venture in Mexico.
Ecosphere Technologies, Inc. (OTCBB:ESPH), a water engineering, technology licensing and innovative manufacturing company, today announced that the U.S. Patent and Trademark Office has issued a formal Notice of Allowance for a fifth patent to treat industrial wastewaters including those that are produced during the exploration and production of oil and natural gas.
Evoqua Water Technologies LLC today announced that Ronald C. Keating has been named Chief Executive Officer, and will be appointed a member of the Board of Directors effective December 1. He joins the company from Contech Engineered Solutions LLC, where he has been President and CEO. At Evoqua, Mr. Keating succeeds Gary Cappeline, Interim CEO and AEA Investors LP Operating Partner.
NeoTech Aqua Solutions, Inc., the industry leader in High-Efficiency Ultra-Violet (UV) water treatment systems, announces its first exclusivity agreement, signed with Bluewater Bio International, a leading global provider of innovative, high performance water and wastewater treatment technologies.
Neptune Benson, a leading manufacturer of water filtration products serving the aquatics, industrial and municipal markets, is pleased to announce that Emmett Jorgensen has joined the company as the Corporate Director of Marketing.
Deepika Kurup from Nashua, N.H. was named the U.S. winner of the 2014 Stockholm Junior Water Prize (SJWP)—the most prestigious international competition for water-related research—during a ceremony this past weekend at the Hilton Dulles Airport Hotel in Herndon, Va.
The new website will better assist municipalities, industries, minerals processing entities, engineers, contractors, and maintenance personnel in selecting equipment and solutions for water and wastewater processing applications.
The Orange County (California) Water District (OCWD), recipient of this year’s prestigious Lee Kuan Yew Water Prize, continues to implement the expanded Evoqua MEMCOR® modular membrane system at its pioneering Groundwater Replenishment System (GWRS).
Rivertop Renewables, a Montana-based novel chemicals company, announced that it has released its first technical bulletin for Waterline Cl, the company's sustainable, high-performing corrosion inhibitor for use in industrial cooling water systems.
Desalitech, a global leader in reverse osmosis water treatment, recently announced that Jantje Johnson has joined their growing team.
The City of Oceanside’s “Pathogen Removal Study” was recognized at the White House Water Summit held on March 22 to commemorate World Water Day.
For a low-cost method of measuring disinfection efficiency and contamination levels, Cole-Parmer presents the new GreenLight® Environmental Bacterial Count Systems.
Evoqua recently announced its ETS-UV line installation is complete and commissioned at the Monticello Waste Water Treatment Plant in southwest Indiana, approximately halfway between Lafayette and South Bend, Indiana.
Wastewater disinfection takes place after primary, secondary and sometimes tertiary wastewater treatment. It is typically a final step to remove organisms from the treated water before the effluent is released back into the water system. Disinfection prevents the spread of waterborne diseases by reducing microbes and bacterial numbers to a regulated level.
A variety of physical and chemical methods are used to disinfect wastewater prior to it being released into natural waterways. Historically, the chemical agent of choice for municipal wastewater treatment has been chlorine, due to its disinfecting properties and low cost. However, the rising cost of chlorine and concerns that low chlorine concentrations can still be toxic to fish and other wildlife, has given rise to more physical methods of wastewater disinfection being adopted such as ozonation or ultraviolet (UV) light.
The use of ozone as a disinfection agent has the added benefit of increasing the dissolved oxygen content of the treated wastewater. However, because the ozone has to be generated, ozonation can require prohibitive up-front capital expenditure compared to traditional chlorination. UV disinfection has been growing in popularity as a wastewater disinfection method, in large part because of the life-cycle economics of the equipment and the fact that, like ozone, there is no toxic residual.