Experience
2024 — Now
San Jose, California, United States
2020 — 2024
Mountain View, California, United States
2020 — 2020
California, United States
San Francisco Bay Area
− Developed a user analysis platform which detects popular origins/destinations of taxi and sharing bike trips to/from transportation hubs in New York and provides a comparison between current and historical data
− Built a batch processing pipeline to ingest >300 GB historical trip data and transportation related data, preprocess and perform computation with Spark, store the aggregated results in PostgreSQL with PostGIS extension, and finally use Dash to provide a map-based information query UI and visualize query results
− Designed a data ingest tool that identify a general schema and allow data in various schema to be ingested and converted through Airflow into the platform without recoding
Please check the following link for more information: https://github.com/danzhaozju/insight
Hangzhou, Zhejiang, China
Study on Performance of Countercurrent Bioelectrode Nitrogen Removal System (12/2017-05/2018)
Consturcted the reverse seepage bioelectrode system by reversing the substrate flow in MFC.
Meatured the removal rate and load of nitrogen pollutants, to evaluate the denitrification performance.
Adopted the cyclic voltammetry curve, to examine the electrochemical activity and energy recovery potential of the bioelectrode.
Revealed that the functional microorganisms and metabolic characteristics are the critical factors that determined the enrichment of electrotrophic microorganisms from inocula and the performance of bio-cathode denitrification
Effects of Inoculum on the Performance of Bio-cathode Denitrification (04/2016-05/2017)
Developed the specific research plan and designed the experiment based on the independent study of bioelectrode denitrification mechanism and bacteria metabolic characteristics.
Measured the utilization rate and slew rate of the substrate, nitrate and bicarbonate to identify the nitrogen removal performance of inoculum under no electron donor circumstance.
Adopted gravimetric determination method to obtain the weight of the denitrification, denitratation, and anammox electrode; calculated and compared the growth rate and biomass production.
Analyzed the influence mechanism of inoculum on bioelectrode nitrogen removal performance and the reasons behind the differences in nitrogen removal performance.
Published a paper and received two national patents.
Attenuation Effect of Alkalization by Bio-cathode Denitrification and Its Mechanism (05/2017-07/2017)
Designed the bioelectrochemical denitrification reactor and heterotrophic denitrification reactor.
Explored the influence of substrate concentration on the attenuation effect of alkalization by bio-cathode denitrification.
Damaged the cell membrane structure in a high pH environment to study the changes of membrane properties under the condition of high alkalinity.
Education
2018 — 2020
University of California, Berkeley
Master of Science - MS
2018 — 2020
2014 — 2018
Zhejiang University
Bachelor's degree
2014 — 2018