Autotrophic nitrogen removal from black water: calcium addition as a requirement for settleability

Long term partial nitritation of anaerobically treated black water and the emission of nitrous oxide

Application of bacteria involved in the biological sulfur cycle for paper mill effluent purification

Combined anaerobic treatment and autotrophic nitrogen removal from black water

The effect of pH on thiosulfate formation in a new biotechnological process for the removal of hydrogen sulfide from gas streams