Abstract Nitrate (NO 3−) pollution in water and wastewater has become a serious global
issue. Biological denitrification, which reduces NO 3− to N 2 (nitrogen gas) by denitrifying …

Autotrophic denitrification (AuDen) is an efficient, convenient and eco-friendly biological
process for the treatment of nitrate-contaminated organic-deficient waters. AuDen can be …

Biological denitrification is the most widely used method for nitrogen removal in water
treatment. Compared with heterotrophic and autotrophic denitrification, mixotrophic …

This study explored the response of NO3–-N bioreduction to Cr (VI) stress, including
reduction efficiency and the pathways involved (denitrification and dissimilatory nitrate …

Denitrification with non-organic electron donors for treating low C/N ratio wastewater has
attracted growing interests. Hydrogen, reduced sulfur compounds and ferrous ions are …

Sulfur-based autotrophic denitrification (SAD) coupled with anammox is a promising process
for autotrophic nitrogen removal in view of the stable nitrite accumulation during SAD. In this …

Organic matter and reduced sulfur compounds commonly coexist in groundwater aquifers
and their respective roles in Cr (VI) bio-reduction have been well established, but Cr (VI) bio …

In this study, a lab-scale expanded granular sludge bed reactor was continuously operated
to treat high-nitrate wastewater containing different concentrations of hexavalent chromium …

Chemolithotrophic denitrification is an inexpensive and advantageous process for nitrate
removal and represents a promising alternative to classical denitrification with organics …

Textile is one of the industrial sectors generating the highest amount of wastewater with
various polluting substances. Lately, water reuse in textile industries, especially, with the …