There are still many challenges to overcome for human space exploration beyond low Earth
orbit (LEO)(eg, to the Moon) and for long-term missions (eg, to Mars). One of the biggest …

Third-generation biofuels that are derived from microalgal biomass have gained momentum
as a way forward in the sustainable production of biodiesel. Such efforts are propelled by the …

The use of phototrophic organisms in wastewater treatment is gaining increasing interest,
due to the possibility of exploiting photosynthetic oxygenation, thus lowering treatment costs …

The biological treatment of source-separated human urine to produce biofuel, nutraceutical,
and high-value chemicals is getting increasing attention. Especially, photoautotrophic …

NH 4+ removal by a consortium of microalgae, ammonia-oxidizing bacteria (AOB) and nitrite-
oxidizing bacteria (NOB) was examined in a photo-sequencing batch reactor (PSBR) under …

Urine is a valuable resource for nutrient recovery. Stabilization is, however, recommended to
prevent urea hydrolysis and the associated risk for ammonia volatilization, uncontrolled …

Urine is a major waste product of human metabolism and contains essential macro-and
micronutrients to produce edible microorganisms and crops. Its biological conversion into a …

Nutrient removal from wastewater is crucial to preserve the equilibria of natural ecosystems
by increasing anthropic pressures. On the other hand, the scarcity of natural resources is …

The use of phototrophic organisms in wastewater treatment is gaining increasing interest,
due to the possibility of exploiting photosynthetic oxygenation, thus lowering treatment costs …

Human presence in outer space is currently supported by regular resupply of life support
consumables from Earth. However, deep-space exploration or space habitation will depend …