Academic/Government Partners Work Toward the Next Level in Home Water Filtration

ISTC NEWS


Nanoparticle Membrane Technology Investigated for Commercial Viability  

gold membrane for water filtration
Illustration of free-standing gold membrane with nanoparticles 6 nanometers in diameter and openings of 2 micrometers.

ISTC’s Nandakishore Rajagopalan and Wei Zheng are part of a team of experts from government and academia who are working to improve the filtration of household drinking water using new ultrathin nanoparticle-based membranes to remove trace organic contaminants (TrOCs).

 

The U.S. Department of Energy will fund the work through its Technology Commercialization Fund, which moves promising energy technologies developed by 12 national laboratories and their research partners to the marketplace. ISTC will assist in the testing the performance of prototype TrOCs filtration membrane devices which may be commercially viable for the home water filtration market. The primary investigator on the project is Xiao-Min Lin, a scientist at Argonne’s Center for Nanoscale Materials and at the James Franck Institute, University of Chicago.

 

Argonne National Laboratory and the University of Chicago developed the technology for the new membrane structure using gold nanoparticles which are strong and porous, and which can be ‘dialed’ to selectively trap different contaminants by engineering the ligand on the particle surface. A ligand is a molecule that binds to a central metal atom to form a complex that helps to protect the nanoparticle and introduce additional functionalities. Laboratory measurements have demonstrated the nanoparticle based membrane can selectively filter out molecules as small as 2 micrometers, yet has water permeability far higher than conventional polymer-based membranes.

 

For two years, scientists at Argonne, ISTC and the Metropolitan Water Reclamation District (MWRD) of Greater Chicago have been conferring on the problem of removing TrOCs from potable water supplies. Such contaminants consist of hormones, pesticides, prescription medications, personal care products, synthetic industrial chemicals, and chemicals formed during wastewater and drinking-water treatment processes. Even at very low concentrations these molecules can negatively affect aquatic environments and are of concern for human health impacts.

 

“Modern wastewater treatment plants were not designed to remove such materials, especially at such low concentrations,” said Wei Zheng, a senior research scientist at ISTC.

 

The search has been ongoing for methods to remove TrOCs including biodegradation, photolysis, volatization, and sorption. “We hope a gold nanoparticle-based membrane approach will improve the sorption efficiency of TrOC removal at low pressure and low energy — at a cost that makes it widely available for home filtration,” he said.

 

“Deploying new clean energy technologies is an essential part of our nation’s effort to lead in the 21st century economy and in the fight against climate change,” said Lynn Orr, DOE’s Under Secretary for Science and Energy in announcing the grant. DOE’s Technology Commercialization Fund “will help to accelerate the commercialization of cutting-edge energy technologies developed in our national labs, making them more widely available to American consumers and businesses.”

Illinois Teachers Prepare for Lessons on Impact of Drugs in Environment

Proper disposal of unwanted prescription drugs and other common chemicals is important because of their ability to alter living things when introduced into lakes and streams.
Proper disposal of unwanted prescription drugs and other common chemicals is important because of their ability to alter living things when introduced into lakes and streams.

School teachers from across Illinois attended a workshop at the Illinois Sustainable technology Center June 15-16 to help them develop curricula about the risks of improper disposal of pharmaceuticals and personal care products (PPCPs) and the impacts of these emerging contaminants on the environment.

 

The training was conducted with the Illinois-Indiana Sea Grant College Program as part of a grant by the University of Illinois Extension to help raise awareness about the importance of proper disposal of unwanted prescription drugs and other common chemicals because of their ability to alter living things when introduced into lakes and streams.

 

According to Rebecca Wattleworth, a veteran teacher at Decatur’s Warrensburg-Latham High School, students and their families will benefit from these messages in their science classes. “When they come into my classroom they often do not realize the impact they have on the environment with their everyday activities,” she said. “They think when they throw it away, litter, etc. (that) it is just gone. Out of sight, out of mind.”

 

Wattleworth said she enrolled in the PPCP teacher workshop so she is prepared to show her students that their actions have consequences. “I want my students to learn that their everyday activities will have an impact in some way on the environment and that they need to be making better/safer choices for both the environment and us!”

 

Geoffrey Freymuth, a science teacher at Jefferson Middle School in Champaign, is attending the workshop to develop activities for his science enrichment class, as well as for the school’s student Green Team. “It has been my experience that students can have a great impact on the behaviors of their families and their habits,” he said. “I would like my students to be able to set up and design a local campaign on the issue or even find a way to test/evaluate local waters etc.,” he added.

 

Joni White, a science instructor at Urbana High School said “As an environmental science teacher, I am well aware that this is an often overlooked problem that seriously impacts the environment. I am eager to learn more about what is being done about it so that I can communicate its importance to my students.” She added “From a personal perspective, I am also a veterinarian and well aware of the medical field issue of pharmaceuticals ending up in the water supply.”

 

In an experiment designed for teachers to use in their classrooms, the workshop participants measured the effect of increasing concentrations of common PPCPs on growth of lettuce sprouts. The compounds used were Aspirin, road salt, and Epsom salt.
In an experiment designed for teachers to use in their classrooms, the workshop participants measured the effect of increasing concentrations of common PPCPs on growth of lettuce sprouts. The compounds used were Aspirin, road salt (MgCl2), and Epsom salt (MgSO4).

Each year, unwanted medications account for accidental poisonings and drug abuse and for environmental problems. The workshops will help this information about PPCPs become a part of each school’s curriculum, according to Nancy Holm, ISTC assistant director. “There are a number of sources of PPCPs to the environment but reducing as much improper disposal as possible is a step in the right direction.”

 

Recent studies reflect the growing concern about how these compounds enter the aquatic environment and their effects on wildlife.

 

  • Salmon in Puget Sound (Seattle) were found to be contaminated with antidepressants, pain killers, anti-inflammatants, fungicides, antiseptics, anticoagulants, and antibiotics. A total of 81 PPCP chemicals from nicotine and caffeine to OxyContin and cocaine.

 

 

  • Research by ISTC was among the first to confirm that the common antiseptic, Triclosan, was causing antibiotic resistance among bacteria in lakes and streams.

 

“This is a threat to public health and also the health of our ecosystems that every family has a direct role in preventing,” Holm added. “By providing this information to teachers they can then present this information to hundreds of students each year who can work to spread the word in their communities.”

 

Prairie Research Institute’s Large-Scale Watersheds Initiative Recognized Today at White House Water Summit

PRI'a Large-Scale Watershed Initiative was highlighted as part of the White House Water Summit.
PRI’s Large-Scale Watershed Initiative was highlighted as part of the White House Water Summit.

 

ISTC NEWS


 

Initiative Aims to Calculate ‘Value’ of Entire Illinois River Watersheds

CHAMPAIGN, Ill. — The White House Water Summit today highlighted the Resilient Watersheds Initiative of the Prairie Research Institute at the University of Illinois in its announcement of new measurable steps being taken across the country to address key water issues.

 

The White House Water Summit Fact Sheet and the Commitments to Action on Building a Sustainable Water Future report are both available online.

 

The Resilient Watersheds Initiative seeks to provide a science-based and data-driven approach to promoting resilient, sustainable Illinois watersheds. The interdisciplinary approach includes expertise from the Prairie Research Institute (PRI), Illinois-Indiana Sea Grant, other departments across the University, as well as researchers at the National Great Rivers Research and Education Center in Alton, Ill.

 

The initiative will organize available data into a multi-dimensional model of the tangible ecosystem benefits watersheds provide (e.g., water storage and filtration, groundwater recharge, biodiversity) in addition to the value they represent for food, drinking water, swimming, fishing, boating, and tourism, etc.

 

The concept is called Value-based Landscape Design, which works to create tools that evaluate the potential of every acre of habitat. PRI is already engaged in landscape design projects related to the Lower Fox River and Green Bay ecosystems in Wisconsin, as well as Great Lakes coastal wetlands. This latter project was recognized by the White House in April, 2015 as one of the first four Resilient Lands and Waters Initiatives.

 

The Resilient Watersheds Initiative has set an ambitious goal of building integrated models of the entire Illinois River watershed. Areas suggested as starting points, due to the vast amount of information already available, include the Spoon River and Kankakee River watersheds.

 

PRI has for decades conducted extensive studies of Illinois’ fisheries, water quality, water supply, floodplains, wildlife habitat, and invasive species, just to name a few, through research by four of its divisions—the Ill. Natural History Survey, Ill. State Geological Survey, Ill. State Water Survey, and Ill. Sustainable Technology Center. The Watersheds Initiative builds on and integrates these efforts.

 

“The complexity of natural ecosystems, human impacts on them, and the value they represent to us, transcends boundaries of geography, political borders, and science disciplines,” said Brian Anderson, senior deputy executive director of PRI.

 

“Illinois watersheds are predominantly working landscapes,” added Laura Kammin, outreach program leader at Illinois-Indiana Sea Grant. “A framework that underscores the broad spectrum of values and the tangible benefits watersheds provide, and quantifies how those benefits change with changes in land-uses and practices, will help us make the best informed decisions for future planning.”

 

A preliminary report “The Resilient Watersheds Initiative: A Value-based Landscape Design Approach to Promote Watershed Resiliency though Collaboration” was drafted in fall 2015 to set the stage for planning and implementation of the initiative in spring 2016. The organization for the initiative is shown in Figure 1 of that document. Please contact Laura Kammin, or Brian Anderson, for additional information.

 

The White House Summit coincided with World Water Day.

Tuesday’s White House Water Summit to Focus on Sustainable Solutions

White House Water Summit
The White House Water Summit will be live-streamed from 9 a.m. – 12:30 p.m. Tuesday at https://www.whitehouse.gov/live.

 

Watch out for the White House Water Summit #WHWaterSummit from 9 a.m. to 12:30 p.m. EDT, Tuesday, March 22. The event will feature live streaming of a series of lighting talks on the challenges we face and innovative solutions around the nation to help build a sustainable water future.

 

We face plenty of water issues: too much, too little, contamination. The White House Water Summit intends to focus not on individual crises, but collaboratives of different jurisdictions, interests, and science disciplines to come up with long-term strategies for meeting our water needs.

 

The Obama Administration’s Priority Agenda for Enhancing the Climate Resilience of America’s Natural Resources called for federal agencies to work with state and local partners throughout 2015 to develop large-scale management approaches toward climate resilience. Tuesday’s Summit is expected to feature many of the results of that agenda.

 

The Prairie Research Institute is already participating in the Upper Midwest and Great Lakes Landscape Conservation Cooperative to identify priority wetlands for conservation and restorations. In April, 2015 the Cooperative was cited by the Administration’s Resilient Lands and Waters Initiative as one of four first regional partnerships emblematic of the benefits of this large-scale approach to resource management.

 

Assay of Archaeological Find Reveals Desperate Times for the Sick in 1850

ISTC NEWS


Thomson's 'remedy'
Thomson’s ‘remedy’

Early American ‘Medicine’ Probed by Archaeometry 

Life was hard in 1850. Tuberculosis (consumption) was rampant, and one was likely to be dead by 40. The tubercle bacillus was not discovered until 1882, and was not treatable until the early 1940s. By 1900 more than 80 percent of the U.S. population was infected before age 20.

 

The bottle recovered by U of I archaeologists
The artifact

A ‘medicine’ bottle discovered by Illinois State Archaeological Survey (ISAS) during a dig at Meredosia, Illinois, gives evidence of the desperation they faced. Both ISTC and ISAS are divisions of the Prairie Research Institute.

 

The contents were analyzed by John Scott, senior analytical chemist at ISTC, revealing a dangerous stew of heavy metals and polyaromatic hydrocarbons (PAHs). Scott presented his findings Feb. 19 during ISAS’s Fourth Ancient Technologies and Archaeological Materials Symposium at the University of Illinois.

 

The bottle, labeled “Thomson’s Compound/Syrup of Tar/For Consumption,” came from a the excavation of a house cellar yielding artifacts from the 1840s and 1850s.

 

News articles and advertisements of the time are replete with testimonials of ‘health’ and ‘vigor’ from drinking the compound. Many patent medicines contained a lot of alcohol, which would have been needed to keep the other ingredients in suspension, Scott suggested.

 

The analysis showed compounds consistent with coal tar, pine tar, and essential oils suggesting cumin and thyme. All 16 priority PAHs, now

ISTC chemist John Scott
ISTC’s John Scott

regulated by the U.S. EPA as carcinogens, were present. For comparison, Thomson’s remedy measured a priority PAHs content in concentrations almost three-and-a-half times greater than the mean for crude oil.

 

Many ‘remedies’ of the era also soothed ‘symptoms’ of various maladies by including opium, morphine, heroin, cocaine, chloroform, methamphetamine, or barbiturates.

 

Scott found strong evidence that the Thomson’s was spiked not just with alcohol, but also with the active compound in marijuana. High resolution mass spectrometer measurements showed no sign of morphine, cocaine or the other drugs, but demonstrated clear peaks indicating THC (delta9-tetrahydrocannabinol) – which is found in marijuana.

 

Material dissolved for laboratory analysis
Material dissolved for laboratory analysis

Nine metals were detected in Thomson’s Compound. Arsenic, lead, and iron exceeded levels now considered acceptable for pharmaceuticals. Manganese was close to that limit.

 

“We can’t know how much of the Thomson mixture was left in the bottle when it was disposed of,” Scott said. “But even if it evaporated from a full bottle, this was a potent brew.”

 

The name Thomson was synonymous with medicine throughout much of the 19th century, ever since Samuel Thomson succeed in patenting his system of botanic medicine in 1813. Originally a reaction against orthodox medicine, Thomson sought to demystify healing arts for the average man with remedies of natural herbs and extracts. The lucrative field drew many competitors, knock-off artists, and experimenters. For example, a different ‘Samuel Thomson’ was responsible for the Meredosia artifact!

Sharma Named Fellow of National Engineering Society

B.K. Sharma
BK Sharma will be honored as a fellow of STLE on May 17, 2016.

ISTC NEWS


 

B.K. Sharma, senior research engineer at the Illinois Sustainable Technology Center, has been elected a fellow of the Society of Tribologists and Lubrication Engineers (STLE).

 

Fellows are selected based on their significant impact on the field. Fellows represent outstanding authorities from industry, academia, and government agencies. Six new fellows were named for 2016 and will be honored at the 71st STLE Annual Meeting and Exhibition May 17 in Las Vegas.

 

Tribology is a multi-disciplinary field concerned with design, friction, wear and lubrication of moving parts. It is a branch of inquiry which spans mechanical engineering, materials science, surface science and others.

 

Sharma, a chemist by education, has published 87 publications in international journals, five U.S. patents, nine book chapters, and 133 presentations in international and national conferences. Among his research interests is the development of bio-based lubricants and additives for industrial applications.

Sen. Durbin Backs Research to Capture More Carbon from Coal Plants

Senator Richard Durbin (D-Ill.) toured the Abbott Power Plant at the University of Illinois on Jan. 15 for a briefing on Prairie Research Institute (PRI) research to develop next-generation carbon capture technology.

PRI has just released an informative video introduction to the work underway at the Abbott Power Plant.

Durbin featured in project video
Illinois Senator Dick Durbin spoke about the carbon capture research following a tour of the University of Illinois’ Abbott Power Plant.

The first-hand look at the project was an “eye opener,” Durbin said. If selected for the federally funded project, the technology would economically extract at least 90 percent of the carbon dioxide following an Abbott Power Plant retrofit. The ramifications for coal-rich Illinois – for jobs, the economy, and keeping utility rates low – could be profound.

“What’s going on here at the Abbott Power Plant is an effort to show that there is an environmentally responsible way to deal with the sources of energy whether they’re coal, natural gas, or oil,” Durbin said after the tour. “We’re working with the university, and the power plant, on an application for a Department of Energy research effort; and their goal, of course, is to take even more of the emissions and turn the pollution into profits and make certain that it doesn’t at least harm the environment in serious ways.”

For many nations around the world where coal is likely to remain the fuel of choice well into this century, the new technology could be a game changer in the challenge to limit global warming. The project includes expert advisory panel representing some of the largest power producers around the world, including China, India, and Brazil, said Kevin O’Brien, director of the Illinois Sustainable Technology Center and primary investigator for the project.

“We’re living in an era of dramatic change,” Durbin said. “Ten years ago we depended on OPEC oil. Now we’re talking very seriously about climate change and the need to reduce emissions.”

Senator Durbin was Supportive of the research on carbon captureHe praised the efforts at the University for keeping the more than 70-year-old plant at the forefront of efficient and effective technologies to deliver both steam and electric power to students and staff. “It still serves the campus today,” Durbin remarked. “The good news is that over the years there have been some dramatic efforts to modernize this plant and to make sure that it not only meets the standards but goes beyond, and sets the standard for new technology and new energy development.”

“So it was good to see this first hand today — to be educated. I will tell you that it came as an eye opener to me.  The steam generation and how important it is to the University of Illinois and also very important to generate the kind of electricity that sustains a modern campus in the 21st century.”

The project would put Abbott well beyond existing standards for emissions control. Abbott’s current pollution control technology, consisting of a combination of electrostatic precipitators and a flue gas desulfurization unit (scrubber), remains the “best available control technology” for removing pollutants from the byproducts of coal combustion.

The carbon capture research project also will look ahead to developing new uses for waste carbon dioxide. The project seeks partners interested in forming and building the overall “value chain” for captured CO2 – including members/ suppliers to the coal and power industry, and current and potential end-users of CO2. To learn more about the opportunity, call +1 (630) 472-5016.

Ten: 10 Days of ISTC; Anniversary Presentation Video

30thBlogThing10Videos of presentations at ISTC’s anniversary event provide a fascinating look at problems of pollution contamination in Illinois and how the Center contributed to the clean up. Links to the videos will be made available over the next two weeks as they become available.

ISTC Looks Back, and to the Future During Anniversary

VIDEO 10: Mark Ryan After leading the assembly in “Happy Birthday” to ISTC, Ryan shared a brief survey of the history of “sustainability in the modern context.” In 1980, sustainable development was called a global priority in “World Conservation Strategy” published by the International Union for of Conservation of Nature.

 

The United Nation’s Bruntland Commission defined it in 1987: “Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.”

 

But sustainability in the sense of natural resources goes back thousands of years to so many cultures across the globe that Ryan said he was comfortable labeling it a “universal truth.”

 

For examples in ancient times he cited, “Deuteronomy’s” caution not to kill female birds with young, forest management practiced in the Han Dynasty, and the Roman latifundium which managed the production of wood and other crops. Ryan noted that when Rome fell, and latifundia disappeared, so did many of the forests in Italy and France.

 

Ryan continued to offer examples of preserving resources for future use through the centuries, right up to the establishment of the Illinois Sustainable Technology Center in 1985.

 

ALL VIDEOS and other ISTC 30th Anniversary information is available at this ISTC web page.

Nine: 10 Days of ISTC; Anniversary Celebration Videos

30thBlogThing2Videos of presentations at ISTC’s anniversary event provide a fascinating look at problems of pollution contamination in Illinois and how the Center contributed to the clean up. Links to the videos will be made available over the next two weeks as they become available.

ISTC Looks Back, and to the Future During Anniversary

VIDEO 9: State Senator Scott Bennett’s presentation gave insights on how policies work their way through the state legislature. For 10 years politics, policy and science questions surrounded a proposal to store PCBs and manufactured gas plant waste in a DeWitt County landfill positioned over the Mohamet Aquifer.

 

He has been active in promoting legislation to protect the aquifer, which is a critical source of drinking water for a large region of central Illinois. Another pending bill to protect the state’s natural infrastructure is a comprehensive program to monitor the quality of air, water, and land resources. Also, a proposed law would allow cities to collect fees from power plants to prepare for the costs of environmental cleanup when the plant eventually closes down.

 

NEXT UP: Mark Ryan, PRI executive director, “A Brief History of Sustainability.”

 

Eight: 10 Days of ISTC; Anniversary Presentation Videos

30thBlogThing9Videos of presentations at ISTC’s anniversary event provide a fascinating look at problems of pollution contamination in Illinois and how the Center contributed to the clean up. Links to the videos will be made available over the next two weeks as they become available.

ISTC Looks Back, and to the Future During Anniversary

VIDEO 8: Jerri-Anne Garl represented the federal Environmental Protection Agency during the ISTC Anniversary Celebration. Since EPA’s pollution prevention program started in the early 1990s, ISTC “has been one of our most effective and innovative partners,” Garl said. “ISTC itself has served as a model for other state programs.” She outlined successes of ISTC programs in assisting local communities and small companies, as well as major manufacturers, save money, water, energy, and make their operations more environmentally friendly.

 

Garl reviewed federal priorities for the EPA: 1) making a visible difference in communities; addressing climate change and improving air quality; launching a new era of state, tribal and local partnerships; and embracing EPA as a high performing organization. She added that the agency has set three emphasis areas for its work: climate change, food manufacturing, and hazardous materials mitigation.

 

“We believe that the ISTC is really well-positioned with the tools, experience, connections and the innovative spirit, to be a central partner in this effort.

 

NEXT UP: Scott Bennett, Illinois Senate (52 Dist. D), “Protecting Our Environment.”