Bioelectrochemical treatment and recovery of copper from distillery waste effluents using power and voltage control strategies.

Copper recovery from distillery effluent was studied in a scalable bioelectro-chemical system with approx. 6.8 L total volume.

A new sequential injection analysis-capillary electrophoresis system with amperometric detection.

A novel and fully automated sequential injection analysis manifold coupled to a capillary electrophoresis apparatus with amperometric detection, is described. The sequential injection manifold was isolated from the high voltage by inserting an air plug into the circuit. Small buffer reservoirs were used to avoid the need to pump fresh buffer to the interface during the electrophoretic separation.

Anodic electro-fermentation of 3-hydroxypropionic acid from glycerol by recombinant L17 in a bioelectrochemical system.

Background: 3-Hydroxypropionic acid (3-HP) is an important platform chemical which can be produced biologically from glycerol. is an ideal biocatalyst for 3-HP because it can grow well on glycerol and naturally synthesize the essential coenzyme B. On the other hand, if higher yields and titers of 3-HP are to be achieved, the sustained regeneration of NAD under anaerobic conditions, where coenzyme B is synthesized sustainably, is required.

Increased biohydrogen yields, volatile fatty acid production and substrate utilisation rates via the electrodialysis of a continually fed sucrose fermenter.

Electrodialysis (ED) removed volatile fatty acids (VFAs) from a continually-fed, hydrogen-producing fermenter. Simultaneously, electrochemical removal and adsorption removed gaseous H and CO, respectively. Removing VFAs via ED in this novel process increased H yields by a factor of 3.

Maximising biohydrogen yields via continuous electrochemical hydrogen removal and carbon dioxide scrubbing.

The use of electrochemical hydrogen removal (EHR) together with carbon dioxide removal (CDR) was demonstrated for the first time using a continuous hydrogen producing fermenter. CDR alone was found to increase hydrogen yields from 0.07molH2molhexose to 0.