Hydrothermal liquefaction of papermill waste into fuels and chemicals
Transform papermill waste, predominantly plastic, into high-value fuels and chemicals using hydrothermal liquefaction (HTL). This process yields hydrocarbons like naphtha and BTEX, suitable for industrial and fuel applications, enhancing recycling efficiency while reducing environmental impact.
Overview
Hydrothermal liquefaction (HTL) offers a revolutionary solution for recycling plastic-rich papermill waste into valuable fuels and chemicals. Utilizing a unique high-temperature and high-pressure water environment, HTL effectively breaks down plastic polymers and organic components into crude oil, gases, and solid residues. This process not only mitigates environmental impact but also produces high-quality hydrocarbons such as naphtha and BTEX (benzene, toluene, ethylbenzene, xylene), which can be used as industrial chemical feedstocks or converted into transportation fuels like gasoline, jet fuel, or diesel. The ability of HTL to handle mixed and contaminated waste streams further enhances its efficiency and feasibility in recycling complex papermill waste.
Technical specifications
The HTL process operates under subcritical and/or supercritical water conditions, efficiently converting plastics and biomass into hydrocarbons and other valuable chemicals. It is particularly suitable for high-moisture papermill waste, containing 20-40% moisture, as it does not require extensive pre-treatment such as drying. Key features include:
- Conversion of 80% plastic content in papermill waste into valuable hydrocarbons
- Production of BTEX compounds from plastic waste
- Capability to process contaminated feedstocks without extensive pre-processing
- Optimization through varying conditions such as temperature, reaction time, and pressure
Technology readiness level
The current technology readiness level (TRL) for this HTL process is 3. It is in the early stages of development, with ongoing research focused on characterizing waste feedstock, optimizing the conversion process, and assessing the environmental impact to ensure sustainability.
About University of Massachusetts Lowell
UMass Lowell is a comprehensive public research university in the University of Massachusetts system, known for hands-on, industry-aligned education. Industry partners engage through open-access core research facilities and pilot-scale labs for prototyping and scale-up, supported by staff for contract services. A robust co-op program connects companies with student and faculty talent, while incubator and coworking sites near campus offer labs and flexible space. Research is supported by competitive federal funding from agencies such as the National Science Foundation, National Institutes of Health, Department of Energy, and Department of Defense. A dedicated technology transfer office supports IP, licensing, sponsored research, and startup formation to streamline commercialization.
Inquire about this partnering listing
Industry applications
delivered to your inbox.