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Bio and Material Cycle Engineering Lab
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The lab takes on environmental remediation and resource conversion using photocatalysts and microbes.
AboutAbout the lab
Exploring environmental remediation and resource conversion with photocatalysts and microbes.
The Bio and Material Cycle Engineering Lab studies the development of photocatalysts and fermentation technologies that produce hydrogen and methane from waste.
A photocatalyst is a material that generates strong oxidizing power when exposed to light, and can decompose and remove harmful substances such as endocrine disruptors, toxic exhaust gases, pesticide residues, and bacteria.
The lab works on developing new photocatalytic materials that can use visible light such as sunlight and LEDs, as well as fermentation systems that use sunlight.
It is also building environmental remediation systems that combine photocatalysts and microbes.
Key terms
- Photocatalyst
- A material that generates strong oxidizing power when exposed to light and can be used to decompose and remove harmful substances
- Anaerobic fermentation
- One of the biomass resource conversion technologies, which produces useful substances such as hydrogen and methane while treating waste
- Bioremediation
- A technology that uses microbes to restore, improve, and purify the environment
ResearchResearch themes
The lab studies environmental remediation using the action of photocatalysts and microbes, and the production of resources from waste using sunlight. Its work ranges from developing photocatalytic materials to fermentation systems and purification systems that combine photocatalysts with microbes.
*Illustrative imageDeveloping New Photocatalysts
The lab develops new photocatalytic materials that can use visible light such as sunlight and LEDs. It also works to clarify their decomposition mechanisms and to establish methods for evaluating their decomposition effects, and develops new photocatalytic devices.
*Illustrative imageResource Conversion Systems Using Sunlight
Anaerobic fermentation is a technology that produces hydrogen and methane while treating waste. The lab has worked on promoting the decomposition of microalgae and sludge and on developing adsorbents that reduce inhibition by ammonia, and is now studying fermentation systems that use sunlight.
*Illustrative imageEnvironmental Remediation Combining Photocatalysts and Microbes
The lab combines environmental purification by photocatalysts with bioremediation, the technology of restoring, improving, and purifying the environment using microbes, to produce a synergistic effect. It is building highly efficient environmental remediation systems with a low environmental burden.
MembersFaculty
The members of the Bio and Material Cycle Engineering Lab consist of faculty, doctoral, master's, and undergraduate students, and research students.As of 2026
- ProfessorYingnan Yang
- Assistant ProfessorZhu Yunxin
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “BYU Environmental Engineering Lab” Pastelitodepapa / CC0 (cropped)
- Developing New Photocatalysts: “Titanium dioxide powder dispersing in water” Pixelmaniac pictures (Leave a reply) / CC0 (cropped)
- Resource Conversion Systems Using Sunlight: “Biogas Photovoltaik Wind” Florian Gerlach (Nawaro) / CC BY-SA 3.0 (cropped)
- Environmental Remediation Combining Photocatalysts and Microbes: “Russell Field Soil Remediation - )” Massachusetts Dept. of Environmental Protection / CC BY 2.0 (cropped)
- Related lab (Environmental Molecular Microbiology Lab): “Bacteria on everyday objects” Manjunaf / CC BY-SA 4.0 (cropped)
- Related lab (Food Resource Utilization Science Lab): “Semi-desert vegetation in Lamu” HassanA2023 / CC BY-SA 4.0 (cropped)
- Related lab (Natural Products Chemistry Lab): “Ecological Trail Garden of Medicinal and Aromatic Plants and South China Medicinal Plants Garden )” LN9267 / CC BY-SA 4.0 (cropped)
- Related lab (Plant Breeding Lab): “Cucumis melo - Диня - Український сорт Забавка” Zenon Sych / CC BY-SA 4.0 (cropped)
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