Culp, Gordon L.

Physical-chemical nitrogen removal wastewater treatment / [by Gordon Culp. - Washington D. C.] : Environmental Protection Agency, Technology Transfer, 1974 - iii, 24 p. : ill. ; 28 cm. - EPA Technology Transfer seminar pub. .

Bibliography: p. 23-24.


Nitrogen.
Sewage--Purification--Ion exchange process.
Water--Purification.