Electroactive mixed culture biofilms in microbial bioelectrochemical systems: the role of temperature for biofilm formation and performance

Biosensors & Bioelectronics
Sunil PatilUwe Schröder

Abstract

In this paper we investigate the temperature dependence and temperature limits of waste water derived anodic microbial biofilms. We demonstrate that these biofilms are active in a temperature range between 5°C and 45°C. Elevated temperatures during initial biofilm growth not only accelerate the biofilm formation process, they also influence the bioelectrocatalytic performance of these biofilms when measured at identical operation temperatures. For example, the time required for biofilm formation decreases from above 40 days at 15°C to 3.5 days at 35°C. Biofilms grown at elevated temperatures are more electrochemically active at these temperatures than those grown at lower incubation temperature. Thus, at 30°C current densities of 520 μA cm(-2) and 881 μA cm(-2) are achieved by biofilms grown at 22°C and 35°C, respectively. Vice versa, and of great practical relevance for waste water treatment plants in areas of moderate climate, at low operation temperatures, biofilms grown at lower temperatures outperform those grown at higher temperatures. We further demonstrate that all biofilms possess similar lower (0°C) and upper (50°C) temperature limits--defining the operational limits of a respective microbial fuel cell or microbial bi...Continue Reading

Citations

Aug 20, 2011·Applied Microbiology and Biotechnology·Iain S MichieGiuliano C Premier
Feb 24, 2016·Journal of Environmental Sciences (China)·Haishu SunXuliang Zhuang
May 11, 2012·International Journal of Food Microbiology·Koon Hoong TehDenise Lindsay
Oct 8, 2015·Bioresource Technology·Robert Keith BrownUwe Schröder
Jul 28, 2016·Bioelectrochemistry·Bradley G LuskCesar I Torres
Jul 27, 2017·ACS Sensors·Antonin Prévoteau, Korneel Rabaey
Nov 12, 2010·Physical Chemistry Chemical Physics : PCCP·Dushyant BhatnagarShelley D Minteer
Jul 15, 2018·Bioprocess and Biosystems Engineering·Anand Govind More, Sunil Kumar Gupta
Oct 15, 2020·NPJ Biofilms and Microbiomes·Sukrampal Yadav, Sunil A Patil
Nov 27, 2020·Environmental Science and Pollution Research International·Abdul Sattar JatoiShoaib Ahmed
Dec 15, 2019·The Science of the Total Environment·Minh Hang DoMathava Kumar
Mar 4, 2017·Journal of Environmental Sciences (China)·Olga TkachAijie Wang
Jun 25, 2021·Environmental Science and Pollution Research International·Priya MukherjeeMin Jang
Dec 4, 2019·Environmental Science & Technology·Keaton Larson LesnikHong Liu

❮ Previous
Next ❯

Related Concepts

Related Feeds

Biofilm & Infectious Disease

Biofilm formation is a key virulence factor for a wide range of microorganisms that cause chronic infections.Here is the latest research on biofilm and infectious diseases.

Biofilms

Biofilms are adherent bacterial communities embedded in a polymer matrix and can cause persistent human infections that are highly resistant to antibiotics. Discover the latest research on Biofilms here.