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Antonyms for denitrify

remove nitrogen from

References in periodicals archive ?
On the other hand, the team observed that transformation from nitrate/nitrite to N2 (i.e., denitrification process) usually consumed the electrons and this according to them could be regarded as an electron acceptor.
The Denitrification Decomposition Model (DNDC; Li et al.
The microenvironment of the granular sludge was found to achieve good simultaneous nitrification and denitrification, with the GSBR's TN removal rate reaching 50%-60%.
The objective of the present study was to evaluate the impact of the concentration of dissolved oxygen (DO) on simultaneous nitrification and denitrification (SND) in a HMBR for the treatment of high load wastewater.
Previous research has shown that both nitrification and denitrification wouldbeinhibited strongly at temperaturesbelow20[degrees]C[8,9].
Removal of N[H.sup.+.sub.4] in both HCW and PCW suggests that nitrification and subsequent denitrification were carried out in these systems.
1980; Hooper and Terry 1979) and nitrifier denitrification (Poth and Focht 1985; Zhu et al.
However, simultaneous nitrification and denitrification (SND) has recently been found at various types of process units with advantages over the conventional processes like two-step process (aerobic/anoxic phases) such as the cost saving for anoxic tank and the addition of external carbon sources during the denitrification (Munch et al., 1996).
Increased merits in terms of both initial costs and running costs were pursued through the elimination of the need for denitrification equipment.
In addition to these achievements in power output and generating efficiency, increased merits in terms of both initial costs and running costs were pursued through the elimination of the need for denitrification equipment; together these benefits enable a faster investment return than with the 380kW system.
It is subjected to environmental losses like volatilization denitrification leaching and runoff.
The environmental protection minister, Zhou Shengxian, told an annual government meeting that authorities last year banned 7 million high-emission vehicles from the road, shut down 50,000 coal-fired furnaces, installed denitrification and desulfurisation equipment in power plants and factories, and added new sewage treatment plants, Xinhua said.