Arizona
Solution to Arizona's water crisis? Local researcher hopes so, sharing breakthrough in desalination technology
TUCSON, Ariz. (KGUN) — Two years ago, Arizona state leaders were actively exploring the idea of a binational desalination plant that would bring water from the Sea of Cortez to the state. The plan, spearheaded by former Governor Doug Ducey, aimed to address the state’s growing water shortage. However, after facing backlash from water authorities and a lack of transparency, the project ultimately fell through. Later, Governor Katie Hobbs redirected funds away from long-term water supply projects, further pushing desalination off the table for the time being.
Despite these setbacks, one local researcher has continued to push the boundaries of desalination technology and is hopeful that his breakthroughs could provide a solution to the ongoing water crisis in Arizona. Professor Mark Witten, a researcher at the University of Arizona, has spent the past 17 years finding ways to efficiently remove salt from seawater.
In 2023, he shared his efforts with the public, explaining how his low-energy desalination technology could significantly reduce the cost and energy consumption typically associated with removing salt from seawater.
“We’ve gotten to the point where we can take out 99% of the salt from simulated ocean water,” said Witten, reflecting on his progress.
His recent work has culminated in a groundbreaking discovery that allows for the removal of 335 parts per million (ppm) of concentrated salt, which is the same salinity level found in Earth’s oceans.
He was initially working with a silicon disc, and decided to try isolating salt by using a reactive metal. He experimented with tungsten, copper, iron, and magnesium. Witten described finding success with a small magnesium disc, so he purchased a larger disc.
Witten recalled, “When I first did the first experiment. I just bought a brand new salinity meter from Amazon, and it registered 333 parts per million after I did the desalination. Remember, I started out at 35,000 parts per million. So I thought something was wrong with my new salinity meter. So I went into my kitchen, filled a glass of water, and measured the salinity. It was 425 parts per million and I almost fainted because I thought I had hit the jackpot.”
Witten is confident that his technology can make a real difference. “Our technology, we believe, can produce an acre-foot of water for less than $400,” he said. An acre-foot is equivalent to one acre of land covered by a foot of water, a standard unit of measurement for water volume.
Beyond providing freshwater, Witten hopes his technology will provide more resources. He highlights that the salt could contain lithium, an essential component for electric vehicle batteries, which could help further support the green energy industry.
“We plan to collect the salt and mine lithium from it,” Witten explained. “The electric vehicle industry cannot grow without more lithium, and this could help address that challenge as well.”
As Arizona faces the very real threat of water scarcity, Witten’s innovative desalination technology offers a potential solution to one of the state’s most pressing issues. He believes that large-scale desalination could help protect Arizona’s future by ensuring a more stable and sustainable water supply.
“The future growth of this state, and the other states in the Colorado River Compact, is in danger because we don’t have enough water,” said Witten.
As the state continues to grapple with its water challenges, Witten sees a future where the ocean could provide an answer to Arizona’s water shortage. Witten’s next steps involve getting an industrial prototype of his desalination technology off the ground.
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Reyna Preciado is a reporter for KGUN 9, she joined the KGUN 9 team in July of 2022 after graduating Arizona State University. Share your story ideas with Reyna by emailing reyna.preciado@kgun9.com or by connecting on Instagram, or Twitter.
Arizona
Troopers arrest ‘LARPer’ who was running late for competition in northern Arizona
FLAGSTAFF, AZ (AZFamily) — A hurry to a LARPing tournament ended with a very real arrest in northern Arizona.
On June 11, troopers stopped a driver clocked at 106 mph in a 65 mph zone in Flagstaff, according to the Arizona Department of Public Safety.
The driver told troopers she was running late for a “LARPing tournament” in Colorado.
LARP stands for live-action role-playing, a hobby where participants dress in costume and act out characters in fictional settings.
She was arrested for criminal speeding and booked into the Coconino County jail.
“Speeding to save a fictional realm is no excuse for drivers on Arizona highways,” DPS said in a Facebook post.
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Arizona
Arizona’s Rugged Wilderness Area Has Gorgeous Mountain Trails And Scenic Camping Spots – Islands
While those who haven’t spent a lot of time exploring Arizona may associate the Grand Canyon State with towering saguaro cacti and endless stretches of barren, moon-like landscapes, that description, though accurate, does not tell the complete story. Because located within the Tonto and Coconino National Forests is 252,500 acres of rugged wilderness that, in addition to cacti and desert, also includes pine forests, snow-dusted mountain peaks, and the Verde River, Arizona’s only designated Wild River Area.
Called the Mazatzal Wilderness Area, and spanning from the brush-covered Sonoran Desert to the tip of the 7,903-foot Mazatzal Peak and beyond, the area became a designated wilderness in 1940. It has since become known for its diverse, rugged scenery that includes steep ridges, narrow canyons, riparian habitats, and 240 miles of hiking trails, many of which are too craggy and steep for mountain bikes and horses. The trails are gorgeous, however, offering sweeping forest and mountain views as well as several scenic camping spots along creeks and ridgelines of wildflowers. Mazatzal, which gets its name from an Aztec word that means “land inhabited by deer,” is home to mule deer and whitetails as well as bald eagles, river otters, bears, and kit foxes, among other wildlife.
Mazatzal is unique in that it combines a rich network of diverse ecosystems into one expansive wilderness area, allowing you to swim in a cactus-lined river or cool off in an icy mountain waterfall. Just two hours from Phoenix, Mazatzal offers access to remote wilderness you can experience without having to venture too far from the comforts of urban life.
Mazatzal Wilderness Area is a backpacker’s paradise
The more than 40 hiking trails at Mazatzal offer breathtaking Tonto National Forest scenery full of unforgettable wildlife and panoramic views. “…This ‘secret’ area has some of the most beautiful, interesting, fascinating geography, geology, flora and fauna to be found anywhere in the high Sonora Desert,” writes a reviewer on TripAdvisor. “You’re almost guaranteed to see not a single other person for your entire hike, but you’ll see birds, snakes, lizards, range cattle, desert bighorn sheep and who-knows-what other animals while getting a sense of what it must have been like a hundred years and more ago, the natural environment almost absent [of] the effects of human beings.” One of the most popular hikes includes the moderate, 6.2-mile Barnhardt Trail Waterfall, where the sound of birds singing will be your soundtrack as you hike through lush vegetation punctuated by red rocks and jagged cliffs to lookout points with sweeping views of the hazy rolling hills and olive-green forests below. A seasonal waterfall is your reward at the end. “Barnhardt trail is an absolute must, one of the top 5 classic hikes in Arizona,” says a reviewer on a forum for Backpacking Light.
Although gorgeous, many of the trails are challenging, with cat claw plants that snag on your clothing, treacherously steep inclines, and rocky, overgrown terrain where you can twist an ankle if you’re not careful. Portions of the Arizona National Scenic Trail pass through the wilderness area, too, with the Arizona National Scenic Trail ranking number six in the list of the 11 U.S. National Scenic Hiking Trails ranked by difficulty.
Mazatzal offers primitive and dispersed camping throughout the wilderness area that can serve adventure-seeking backpackers and multi-day hikers with a remote wilderness camping experience. None of the campsites have toilets or any other facilities and all campers are encouraged to follow Leave No Trace principles and pack out all waste. Although glamping this is not, the campsites offer scenic views of ponderosa pine canyons and fire-red mountain ridges. For those looking looking to RV or car camp, Mazatzal is about a 40-minute drive from Payson, a high-elevation Arizona lakeside town where you can camp at one of the full-service campgrounds as well as shop, dine, and gamble at the Mazatzal Casino.
Arizona
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