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Search Results for the EPA National Library Catalog
Items Found: 2088
Showing: Items 501 - 550
Your Search: (SUBJECT=Sewage Purification)
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Title
Year Published
501
Development of immobilized enzyme systems for enhancement of biological waste treatment processes /
1970
502
Development of methods for pesticides in wastewaters /
1985
503
Development of on-shore treatment system for sewage from watercraft waste retention system /
1974
504
Development of phosphate removal processes : development and demonstration of phosphate removal facilities at Detroit using an activated sludge process and steel pickling liquor /
1970
505
Development of phosphate removal processes : development and demonstration of phosphate removal facilities at Detroit using an activated sludge process and steel pickling liquor. /
1970
506
Development of practical methods for removal of radiological, biological and chemical contaminants from water supplies /
1958
507
Development of prediction models for chemical phosphorus removal
1977
508
Development of synergistic waste treatment into applied technolog
1976
509
Developments at Eighth International Conference on Water Pollution Research, Sydney, Australia, October 17-22, 1976 /
1977
510
Developments at Eighth International Conference on Water Pollution Research, Sydney, Australia, October 17-22, 1976 /
1977
511
Developments at Eleventh International Conference on Water Pollution Research
1982
512
Developments at Eleventh International Conference on Water Pollution Research {microform} /
1984
513
Dewatering of dilute aqueous hazardous wastes using reversible gel absorption /
1987
514
Diagnostic operational modeling programs for municipal wastewater treatment plants /
1982
515
Diffusion in near-shore and riverine environments
1989
516
Digital computer control of advanced waste treatment systems /
1977
517
Direct filtration of secondary effluent backwashing and performance : a thesis /
1974
518
Direct physicochemical treatment with ozone /
1976
519
Disinfection and chemical oxidation in water and waste treatment
1961
520
Disinfection efficiency and residual toxicity of several wastewater disinfectants /
1976
521
Disinfection efficiency and residual toxicity of several wastewater disinfectants. Volume II. Wyoming, Michigan /
1977
522
Disinfection of poultry packing plant effluents containing Salmonella
1978
523
Disinfection of wastewater : task force report.
1976
524
Disinfection of wastewater and water for reuse
1978
525
Disinfection with ozone based on papers presented at a forum held June 2-4, 1976, Chicago, Illinois /
1977
526
Disinfection with ultraviolet light design, construct, and operate for success.
1986
527
Disinfection/treatment of combined sewer overflows : Syracuse, New York /
1979
528
Disposal of aircraft washrack waste water /
1973
529
Disposal of sewage and other water-borne wastes
1971
530
Dissolved air flotation for primary and secondary clarification /
1981
531
Dissolved air flotation treatment of Gulf shrimp cannery wastewater /
1979
532
Dissolved-air treatment of combined sewer overflows; a demonstration project of a prototype treatment plant designed to treat wastes found at a combined sewer overflow.
1970
533
Distribution of treated-wastewater constituents in pore water at a pond-bottom reactive barrier, Cape Cod, Massachusetts /
2009
534
Do more with SCORE : Small-Community Outreach & Education helps solve wastewater problems.
1991
535
Domestic wastewater management.
1988
536
Downflow granular filtration of activated sludge effluents /
1977
537
Downflow granular filtration of activated sludge effluents /
1977
538
Draft environmental impact statement : organic solids reuse plan proposed by the Madison Metropolitan Sewerage District /
1976
539
Draft environmental impact statement for southwest Orange County, Florida /
1984
540
Draft environmental impact statement for the Delaware County, Ohio Board of Commissioners : Olentangy Environmental Control Center and Interceptor System /
1976
541
Draft guidance on preparing a utility analysis.
2009
542
Draft supplemental environmental impact statement for the Metropolitan Sanitary District of Greater Chicago, Des Plaines-O'Hare Water Reclamation Plant /
1979
543
Dual process high-rate filtration of raw sanitary sewage and combined sewer overflows /
1979
544
Dynamic model of nitrification for the activated sludge process
1973
545
Dynamic modeling and expert systems in wastewater engineering
1989
546
East Chicago, Indiana
1982
547
Ecological aspects of used-water treatment
1975
548
Ecological engineering for wastewater treatment
1997
549
Ecological engineering for wastewater treatment proceedings of the international conference at Stensund Folk College, Sweden, March 24-28, 1991 /
1991
550
Economic analysis of phosphorus control and other aspects of R76-1
1978
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