Browse “Sewage--Purification--Nitrogen removal” in an alphabetical list of subjects

Browse by subject help: Search within an alphabetical list of all Library of Congress Subject Headings - Opens in new windowopen_in_new (LCSH) indexed in the Library catalog.

Subject	Records
Subject: Sewage--Purification--New York (State)--New York 1 record	1 record
Subject: Sewage--Purification--New York (State)--New York--Case studies 2 records	2 records
We found a matching subject in our catalog for: Sewage--Purification--Nitrogen removal.
Subject: Sewage--Purification--Nitrogen removal About this subject - Opens in new windowopen_in_new 23 records Broader term (in subject list): Denitrification (19 records)	23 records
Subject: Sewage--Purification--Nitrogen removal--Case studies 1 record	1 record
Subject: Sewage--Purification--Nitrogen removal--Congresses 1 record	1 record
Subject: Sewage--Purification--Nitrogen removal--Handbooks, manuals, etc 1 record	1 record
Subject: Sewage--Purification--Nitrogen removal--Massachusetts--Cape Cod 2 records	2 records
Subject: Sewage--Purification--Nutrient removal About this subject - Opens in new windowopen_in_new 23 records	23 records
Subject: Sewage--Purification--Nutrient removal--Iowa 2 records	2 records
Subject: Sewage--Purification--Nutrients removal--Congresses 1 record	1 record
Subject: Sewage, Purification of 4 records	4 records
Subject: Sewage--Purification--Ohio--Columbus 1 record	1 record
Subject: Sewage--Purification--Oil removal About this subject - Opens in new windowopen_in_new 1 record Broader term (in subject list): Petroleum waste (24 records)	1 record
Subject: Sewage--Purification--Organic compounds removal About this subject - Opens in new windowopen_in_new 8 records	8 records
Subject: Sewage--Purification--Oxidation About this subject - Opens in new windowopen_in_new 29 records Broader terms (in subject list): Oxidation (465 records) Sewage disposal (484 records)	29 records
Subject: Sewage--Purification--Oxidation--Bibliography 1 record	1 record
Subject: Sewage--Purification--Oxidation--Congresses 4 records	4 records
Subject: Sewage--Purification--Oxidation--Economic aspects 1 record	1 record
Subject: Sewage--Purification--Oxidation--Handbooks, manuals, etc 1 record	1 record
Subject: Sewage--Purification--Oxidation--Materials--Congresses 2 records	2 records

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