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2025-01-24
Due to black filler materials, black plastics have posed a serious challenge in ineffective sorting. Black plastic early has a 0% recycling rate, which ultimately finds its way into landfills. While researchers have made considerable progress in sorting black plastics, the solution for black plastic recycling largely remains ineffective. In those efforts, researchers at Cornell University and Princeton University have used an additive substance to mitigate black plastic pollution . The team used sunlight and LED to leverage carbon black additive to convert black and colored polystyrene waste into reusable materials. “ Simple, visible light irradiation holds the potential to transform the chemical recycling of plastics, using the additives already found in many commercial products, ” says the lead authors. A photothermal conversion is an emergent approach that utilizes heat to break down plastic into chemically useful materials, which are then recycled into new products. The heat in this process is derived from a helper compound. The foremost issue before the researchers was searching for a compound that wouldn’t create more waste and easily merge with the recycling process. Intriguingly, the researchers took advantage of already existing black polystyrene – carbon black. Researchers tried to establish the feasibility of depolymerization of polystyrene by carbon black using a model system of polystyrene–carbon black. They found that subsequent visible light irradiation enables depolymerization. Experimenters ground a mixture of lab-made polystyrene and carbon black into a fine powder and sealed the glass vial. The vial was then placed under high-intensity white LEDs for 30 minutes. The team found that carbon black converted light into heat. This heat broke the molecular structure of polystyrene, creating shorter one-, two-, and three-styrene units. The mixture of these three units was separated using a reaction apparatus. The team also recycled the leftover carbon black and styrene monomer into polystyrene. Smart robots that predicts waves in real-time could cut green energy costs “ We successfully demonstrated photothermal conversion to polymerize and depolymerize polystyrene using carbon black as a photothermal conversion agent. We showcased efficient depolymerization using approximately 5 wt % carbon black loading with high-intensity white LEDs, ” mentions the study. After successfully demonstrating photothermal conversion, it was time to experiment with consumer black plastic. They used black plastic from food containers and coffee cup lids, and up to 53% of the polystyrene was converted to styrene monomer. When the light from the LED was replaced with sunlight, researchers observed a higher reaction efficiency of up to 80%. However, plastic waste contaminated with oil or juice broke down slightly less efficiently. Similarly, sunlight displayed a higher rate of 67% compared to 45% of white LEDs when a multicolored mixture of black, yellow, and red was converted to styrene. This enhanced efficiency is associated with the increased light intensity achieved by focused sunlight. Researchers assert that this powerful technique of breaking down polystyrene waste can make the circular economy of black plastics more achievable. Eco-friendly recycling technology restores spent battery cathode materials Journal Referencefox mortar fc188 t

ST. THOMAS, Virgin Islands — The Illinois State basketball team saw a 13-point second-half lead slip away Monday in a 72-64 loss to George Washington at the Paradise Jam. The Redbirds won one of three games in the multi-team event and are 4-3 overall. Illinois State's Cameron Barnes blocks a shot Monday against George Washington at the Paradise Jam. Two Ty Pence free throws with 12:25 to play handed ISU a 45-32 advantage. The Revolutionaries, who improved to 6-1, battled back to a 56-56 tie with a 24-11 surge. A pair of Chase Walker free throws at the 4:12 mark gave ISU a 58-56 edge, but the Redbirds were outscored 16-6 over the final four minutes. Johnny Kinziger led ISU with 18 points. Walker added 16 and Dalton Banks 13. Illinois State's Chase Walker puts up a shot against the defense of George Washington's Rafael Castro on Monday. The Redbirds sank 18 of 21 free throws but suffered through 4 of 18 3-point shooting. Pence's eight rebounds led ISU as George Washington won the battle of the boards 33-29. Darren Buchanan's 18 points topped the Revolutionaries. Gerald Drumgoole and Trey Autry had 16 each. ISU had earlier in the event squeaked past Alabama-Birmingham 84-83 on two Kinziger free throws with five seconds left. Kinziger led the way for the Redbirds with 21 points. Walker contributed 16 points and eight rebounds and Banks 10 points and five assists. ISU opened with a 76-68 loss to McNeese. Pence paced the Redbirds with 14 points and six rebounds. Malachi Poindexter chipped in 13 points, while Kinziger, Banks and Walker each had 10. Illinois State forward Caden Boser (33) and other players celebrate a three pointer against Tennessee-Martin in the first half on Monday at CEFCU Arena. Illinois State forward Caden Boser (33) guards Tennessee-Martin guard Tarence Guinyard (1) in the first half on Monday at CEFCU Arena. Illinois State forward Chase Walker (35) dunks against Tennessee-Martin in the first half on Monday at CEFCU Arena. Illinois State forward Chase Walker (35) grabs a rebound against Tennessee-Martin on Monday at CEFCU Arena. Illinois State guard Dalton Banks (3) goes up and scores in the first half against Tennessee-Martin on Monday at CEFCU Arena. Illinois State guard Dalton Banks (3) goes up for a rebound with Tennessee-Martin forward Lamine Niang (34) and others on Monday at CEFCU Arena. Illinois State forward Jack Daugherty (0) shoots a three over Tennessee-Martin forward David Kamwanga (5) on Monday at CEFCU Arena. Illinois State forward Jack Daugherty (0) guards Tennessee-Martin forward Stefano Faloppa (25) in the first half on Monday at CEFCU Arena. Illinois State guard Johnny Kinziger (11) brings the ball up the court in the first half against Tennessee-Martin on Monday at CEFCU Arena. Illinois State guard Johnny Kinziger (11) heads to the basket in the first half against Tennessee-Martin on Monday at CEFCU Arena. Illinois State guard Landon Wolf (4) dribbles around Tennessee-Martin players in the first half on Monday at CEFCU Arena. Illinois State head coach Ryan Pedon calls out plays against Tennessee-Martin on Monday at CEFCU Arena. Illinois State guard Ty Pence (22) dunks in the first half against Tennessee-Martin on Monday at CEFCU Arena. Illinois State guard Ty Pence (22) shoots past Tennessee-Martin guard Carlos Cortijo (15) in the first half on Monday at CEFCU Arena. Follow Randy Reinhardt on Twitter: @Pg_Reinhardt JOHNNY FOR THREE 👌👌 He's now in double figures with 12 points! pic.twitter.com/gjdlYHzzHj Be the first to know Get local news delivered to your inbox! Sports Reporter {{description}} Email notifications are only sent once a day, and only if there are new matching items.NoneMrBeast, the highly popular YouTuber, released his latest video on Saturday and it's a collaboration with some of the world's top athletes taking on regular people in various competitions. Seven-time Super Bowl champion Tom Brady, Olympic gold medalist Noah Lyles, Philadelphia Phillies slugger Bryce Harper, two-time U.S. Open golf champion Bryson DeChambeau, and soccer legend Cristiano Ronaldo all take part. Each contestant could take home $100,000 if they won their event. If they lost, the money would go to a charity of the athlete's choice. The Ronaldo competition had a bigger prize to it: $1 million if his opponent won. Here's the full event listing, which saw a few of them end up closer than you might assume. High school quarterback Jake took on Brady in an event where the winner had to pop four balloons from various yardages away. MrBeast's friend, Jonah, took on Lyles in a 200-meter race. Lyles later would race online streamer IShowSpeed in a 50-meter sprint. Social media sensation Big Justice faced off with Harper in a home run derby. Amateur golfer Aaron battled with DeChambeau on a single golf hole to see who could get a better score. Finally, Ronaldo took on soccer fan Khalid in the $1 million target shootout.

White House says at least 8 US telecom firms, dozens of nations impacted by China hacking campaignPWHL Roundup: Charge rout Fleet, Frost edge Sirens in pre-season playTech-wary Germans get hooked with online shopping habit BERLIN: In only a few years, Germans have become a nation of online shoppers, with most now turning to devices to buy clothes, groceries and medicines in the wake of the Covid-19 pandemic. A survey showed that 99 per cent of adults in Germany, where more than 70 per cent of companies still use fax machines, now shop online, with 39 per cent of respondents doing so at least once a week. This is despite Germans being more negative on technology trends than the European average, with a 2022 McKinsey study finding them particularly critical of hyper-personalisation. But that is changing, according to the study from the German GfK institute with Mastercard, seen exclusively by Reuters.Alvaro Pinilla furnished his new apartment in Berlin online, buying lamps, kitchen utensils, rugs and furniture online. “It is the comfort of not having to leave home,” the 30-year-old lawyer told Reuters. “I also think that online prices are as competitive, or even better than, in a physical store.”Black Friday and Cyber Monday, as well as the impending Christmas season, will mark highs for online trade and Germany’s main retail association HDE expects sales of 87.1 billion euros ($91.66 billion) for the e-commerce industry this year. “If there’s a week when I haven’t bought anything, my brain tells me ‘time to treat yourself’,” said Pinilla, who plans to take advantage of Black Friday discounts to buy a new coat, boots, scarf and gloves. The survey of more than 1,000 respondents found that fashion is by far the most popular product category in online retail: Two-thirds ordered clothing and shoes online in the past 12 months, while at the start of the pandemic in 2020 it was 43 per cent. “I’ve kind of got into the habit of buying online during the pandemic,” Pinilla told Reuters, adding he had got better at finding the things he wanted.Germany accounted for $37.6 billion of Amazon’s revenue in 2023, making it the company’s biggest international market. ‘SALES QUEEN’ Sarah Schedler also enjoys buying clothes online, because she feels she can find what she needs faster than in a store. “If something is at full price, I usually put it on my wish list and then wait until it’s reduced,” said Schedler, a 29-year-old content manager. “I’m a bit of a sales queen.”Electronics are the second most popular category for online shoppers, the GfK survey showed, with almost half of Germans ordering these products online this year. Schedler plans to replace her 10-year-old laptop this Black Friday as she has seen good deals.“I have the feeling that the prices are somehow lower online, but it could just be my feeling,” she said. In just four years, online grocery shopping has also risen to 25 per cent from 7.0 per cent in 2020, while the proportion of people who order personal care products on the Internet has almost doubled, from 18 per cent in 2020 to 35 per cent in 2024, GfK said.Almost four in 10 Germans prefer to shop on their mobile phone, 10 per cent a tablet and half from a computer, the survey showed. “Most people always have their smartphone ready ... This makes it easy to make spontaneous purchases,” said Peter Robejsek, Mastercard Germany managing director.HDE estimates sales of almost 47 billion euros were generated via smartphones, which accounted for a record 55 per cent of total online retail sales in Germany last year.

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