Anaerobic ammonium oxidation (anammox) represents a promising technology for
wastewater nitrogen removal. Organics management is critical to achieving efficient and …

Partial nitrification-anammox (PN/A) is an energy-efficient process for nitrogen removal from
sewage. The influent organics of sewage is usually pre-removed, reducing the risk for …

Chemically enhanced primary treatment (CEPT) followed by partial nitritation and anammox
(PN/A) and anaerobic digestion (AD) is a promising roadmap to achieve energy-neutral …

The partial nitrification-anammox (PNA) process under intermittent aeration is feasible to
treat low-strength ammonium wastewater, but the effect of chemical oxygen demand (COD) …

The control of nitrite-oxidizing bacteria (NOB) challenges the implementation of partial
nitritation and anammox (PN/A) processes under mainstream conditions. The aim of the …

Anaerobic ammonium oxidation (anammox) processes are gaining attention owing to their
advantages over the conventional biological nitrogen removal processes. Although …

Membrane aerated biofilm reactor (MABR) and shortcut nitrogen removal are two types of
solutions to reduce energy consumption in wastewater treatment, with the former improving …

Partial nitritation-anammox (PN/A) process is known as an energy-efficient technology for
wastewater nitrogen removal, which possesses a great potential to bring wastewater …

ANAMMOX (anaerobic ammonium oxidation) represents an energy-efficient process for
biological nitrogen removal, particularly from wastewater streams with low chemical oxygen …

Highlights•Current design and operational strategies for mainstream PN/A are summarized.•
Combined ON/OFF and IN/OUT strategies are necessary for successful operation.•A …