Browse Research Projects -- Illinois Sustainable Technology Center by Author "Zheng, Wei"

  • Zheng, Wei; Li, Xiaolin; Yates, Scott R.; Bradford, Scott A. (Champaign, IL : Illinois Sustainable Technology Center, 2011)
    Dairy products are a staple of the American diet. The main ingredient of the dairy industry, milk, has a byproduct even before it reaches the pasteurizing factory. For cows to produce milk, they need to have given birth ...

    application/pdf

    application/pdfPDF (569kB)
  • Zheng, Wei; Rajagopalan, Kishore (2010)
    Wei Zheng – senior research scientist at ISTC – and Kishore Rajagopalan – associate director for applied research at ISTC – evaluated the ability of an unmodified biochar to sorb two triazine pesticides, atrazine and ...

    application/pdf

    application/pdfPDF (159kB)
  • Zheng, Wei; Zhao, Ling (2014)
    During their lives, plants absorb massive amounts of carbon, which is then naturally released as CO2 into the atmosphere as plants decay. When plant matter is pyrolyzed and converted to biochar, some of the carbon is ...

    application/pdf

    application/pdfPDF (277kB)
  • Zheng, Wei; Rajagopalan, Kishore; Sharma, B.K. (2012)
    using waste coffee grounds to produce energy and lubricant products.

    application/pdf

    application/pdfPDF (179kB)
  • Li, Xiaolin; Zheng, Wei; Machesky, Michael L.; Yates, Scott R.; Katterhenry, Michael (Champaign, IL : Illinois Sustainable Technology Center, 2011)
    ISTC’s senior research scientist Wei Zheng collaborated with researchers from the Illinois State Water Survey, the U.S. Department of Agriculture, and the University of Illinois to determine the degradation kinetics of ...

    application/pdf

    application/pdfPDF (90kB)
  • Zheng, Wei; Li, Xiaolin; Machesky, Michael; Yates, Scott R.; Katterhenry, Michael; Bradford, Scott A.; Kelly, Walton R.; Zou, Yonghong (Champaign, IL : Illinois Sustainable Technology Center, 2013)
    Concentrated animal feeding operations (CAFOs) have been identified as one of the most important sources for the release of animal hormones and veterinary antibiotics into the aquatic environment. Funded by a USDA research ...

    application/pdf

    application/pdfPDF (151kB)
  • Loftus, Lucy; Jin, Guang; Armstrong, Shalamar; Bierma, Thomas J.; Walker, Paul; Zheng, Wei; Kelly, Walt (Champaign, IL : Illinois Sustainable Technology Center, 2015-01)
    The potential human and environmental health risks posed by pharmaceuticals and personal care products (PPCPs) have been identified as a research priority at both the federal and state level. It has been well documented ...

    application/pdf

    application/pdfPDF (3MB)
  • Zheng, Wei; Holm, Nancy; Meschewski, Beth (Champaign, IL : Illinois Sustainable Technology Center, 2013)
    In spring 2013, ISTC became involved as a partner with a new program in Champaign Country which collects old and unwanted drugs to keep them out of landfills, or to keep them from being flushed down the toilet. The project ...

    application/pdf

    application/pdfPDF (3MB)
  • Scott, John; Zheng, Wei; Holm, Nancy; Panno, S.V.; Kelly, W.R.; McNeish, R.E.; Hoellein, T.J.; Baranski, E.L. (Champaign, IL : Illinois Sustainable Technology Center, 2018)
    Low concentrations of microplastics are present in Illinois’ karst groundwater, according to a preliminary study completed in spring 2018. This is the first time that microplastics have been detected in groundwater. The ...

    application/pdf

    application/pdfPDF (46kB)
  • Zheng, Wei; Scott, John W.; Holm, Nancy; Machesky, Michael L. (Champaign, IL : Illinois Sustainable Technology Center, 2018-11)
    Agricultural fields in the Midwestern United States are commonly tile-drained. This drainage system is used to remove excess water from the soil profile to increase crop production and promote soil conservation. However, ...

    application/pdf

    application/pdfPDF (1MB)
  • Zheng, Wei; Li, Xiaolin; Kelly, Walton R. (Champaign, IL : Illinois Sustainable Technology Center, 2012)
    With an increasing population in rural areas, the use of pharmaceuticals and personal care products (PPCPs) and naturally produced steroid hormones is also increasing. However, rural wastewater treatment plants were not ...

    application/pdf

    application/pdfPDF (254kB)
  • Zheng, Wei; Meschewski, Elizabeth; Holm, Nancy (Champaign, IL : Illinois Sustainable Technology Center, 2013)
    Two important sources of PPCPs and hormones in the environment are municipal/industrial wastewater treatment plants (WWTPs) and concentrated animal feeding operations (CAFOs). WWTPs cannot completely eliminate all PPCPs ...

    application/pdf

    application/pdfPDF (6MB)
  • Zheng, Wei; Kelly, Walton R.; Taylor, Steve; Panno, Sam (Champaign, IL : Illinois Sustainable Technology Center, 2014)
    In May 2014, Wei Zheng, along with collaborators Walt Kelly (Illinois State Water Survey), Steve Taylor (Illinois Natural History Survey), and Sam Panno (Illinois State Geological Survey), received a one-year grant for a ...

    application/pdf

    application/pdfPDF (192kB)
  • Zheng, Wei; Meschewski, Elizabeth; Dodgen, Laurel; Holm, Nancy; Kammin, Laura; Plewa, Michael (Champaign, IL : Illinois Sustainable Technology Center, 2014)
    Wastewater treatment plants (WWTPs) and concentrated animal feeding operations (CAFOs) are identified to be point sources for discharging PPCPs and hormones into the environment. In July 2014, the University of Illinois ...

    application/pdf

    application/pdfPDF (2MB)
  • Zheng, Wei; Guo, Mingxin; Chow, Teresa; Bennett, Douglas N.; Rajagopalan, Nandakishore (Champaign, IL : Illinois Sustainable Technology Center, 2010)
    This work by ISTC’s Wei Zheng and Kishore Rajagopalan and collaborators from Delaware State University provides innovative solutions for producing energy and food in a sustainable environment. Renewable energy can be ...

    application/pdf

    application/pdfPDF (46kB)
  • Rajagopalan, Kishore; Sharma, B.K.; Zheng, Wei (2010)
    The scientists investigated a way to turn the biochar into a value-added product.

    application/pdf

    application/pdfPDF (162kB)
  • Zheng, Wei; Yates, Scott R.; Papiernik, Sharon K. (Champaign, IL : Illinois Sustainable Technology Center, 2008)
    Little is known about how popular herbicides react and degrade in soil or aquatic environments. Two of these herbicides include Pyrazosulfuron Ethyl (PE) and Halosulfuron Methyl (HM), which are part of the sulfonylurea ...

    application/pdf

    application/pdfPDF (44kB)
  • Zheng, Wei; WIles, Kelsey N.; Holm, Nancy; Deppe, Nathan A.; Shipley, Clinton R. (Champaign, IL : Illinois Sustainable Technology Center, 2013)
    A team led by Wei Zheng, senior research scientist at ISTC, investigated whether our food is at risk of accumulating PPCPs when irrigated with wastewater from concentrated animal feedlot operations (CAFOs) and wastewater ...

    application/pdf

    application/pdfPDF (2MB)
  • Zheng, Wei; Sharma, B.K.; Rajagopalan, Nandakishore (2010-12)
    Biochar is a charred carbon-enriched material intended to be used as a soil amendment to sequester carbon and enhance soil quality. Sustainable biochar is produced from waste biomass using modern thermochemcial technologies. ...

    application/pdf

    application/pdfPDF (3MB)