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Sunday, July 19, 2020 | History

3 edition of Report on a systematic study of the algae of sewage oxidation ponds found in the catalog.

Report on a systematic study of the algae of sewage oxidation ponds

Paul C. Silva

Report on a systematic study of the algae of sewage oxidation ponds

by Paul C. Silva

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Published by State Water Pollution Control Board in Sacramento .
Written in English

    Subjects:
  • Sewage lagoons,
  • Algae

  • Edition Notes

    Bibliography: p. 34-35.

    Other titlesSystematic study of the algae of sewage oxidation ponds.
    Statement[by Paul C. Silva and George F. Papenfuss].
    SeriesPublication / SWPCB -- no. 7, Publication (California. State Water Pollution Control Board) -- no. 7.
    ContributionsPapenfuss, George Frederik, 1903-, California. State Water Quality Control Board.
    The Physical Object
    Pagination35, [1] p. :
    Number of Pages35
    ID Numbers
    Open LibraryOL22982139M
    OCLC/WorldCa7042278

      1 Introduction. Africa is often characterized by its clean water and abundant biodiversity is no doubt that water quantity and quality is of vital importance for the ecosystem 2, unately, as the world's second‐driest continent after Australia, Africa has only 9% of global renewable water resources to support 15% of the global population 1. @article{osti_, title = {Data report. The fate of human enteric viruses in a natural sewage recycling system}, author = {Vaughn, J. M. and Landry, E. F.}, abstractNote = {A two-year study was conducted to determine the virus-removing capacity of two man-made ecosystems designed for the treatment of raw domestic wastewater. The first treatment system consisted of two meadows followed .

    Publications of Paul C. Silva. Research papers and books. Generic names of algae proposed for conservation. Hydrobiologia 2(3): The genus Codium in California with observations on the structure of the walls of the utricles. Univ. 2. 12 High Rate Ponds (HRP) 3. 24 Algae Settling Ponds (ASP) 4. 3 Maturation Ponds. The Facultative Ponds consist of open ponds containing a methane fermentation pit. Sewage entering the system is injected at the bottom of the methane fermentation pit, where sludge is permanently trapped and consumed by fermentation.

    In another study, northern pintails (Anas acuta) wintering in Tulare Basin, CA, were found not to use or select agricultural drain-water evaporation ponds or sewage treatment ponds (which might appear similar to some algal biofuel ponds) and to prefer flooded fields and marshes (Fleskes et al., ). Oxidation Pond -- the oxidation pond system is a natural biological process which further breaks down the sewage. The NWWTP has two ponds -- a facultative pond and a maturation pond. The facultative pond further aids in the breakdown of incoming sewage, while the maturation pond removes faecal coliforms -- a disease-causing intestinal bacteria.


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Report on a systematic study of the algae of sewage oxidation ponds by Paul C. Silva Download PDF EPUB FB2

Get this from a library. Report on a systematic study of the algae of sewage oxidation ponds. [Paul C Silva; George Frederik Papenfuss; California. State Water Quality Control Board.]. The processes including oxidation, settling, sedimentation, adsorption, disinfection in the ponds are results of symbiotic relation between algae and bacteria populations.

Figure 1. Removal efficiency of organic nitrogen in treatment methods [44]. 1-nitrification, 2-oxİdation pond, 3-chemical coagulation, 4-chlorination, 5-ammonia removal, 6 Cited by: This paper was presented at a joint meeting of the North Eastern and Tees and Tyneside Branches of the Institute of Sewage Purification held in Harrogate in March It is in 4 sections and concerns only those oxidation "ponds in which algal photosynthesis makes a significant contribution to the oxygen needs of the sewage micro-organisms ".Author: P.

Isaac, Molly. Lodge. Waste stabilization ponds (WSPs or stabilization ponds or waste stabilization lagoons) are ponds designed and built for wastewater treatment to reduce the organic content and remove pathogens from are man-made depressions confined by earthen structures.

Wastewater or "influent" enters on one side of the waste stabilization pond and exits on the other side. Waste stabilisation ponds are used to treat sewage from the Akuse township. Akuse is located in the Eastern Region of Ghana with a population of about 3 people.

The most often used ponds in domestic wastewater treatment are the stabilization pond and facultative lagoon. The stabilization pond is designed to be aerobic throughout its depth and the facultative lagoon will be anaerobic at the bottom and aerobic at the top.

This article will examine the normal uses of each of these treatment ponds. The living system of most waste-stabilization ponds consists in the greater part of bacteria, fungi, and algae, usually considered to function as in Figure 1.

Although the algae are considered to be photosynthetic, they can only accomplish this process during daylight hours and, due to density of materials in the ponds themselves, only within.

The study encompasses experiments with 36 controlled outdoor ponds, with surface area of m 2 each, two m 2 each pilot ponds, two m 2 each field-scale ponds (under construction) and field studies of a 20, m 2 pond system in Eilat (populat). In this study, algae separated by flotation and centrifugation is drum dried.

The ammonia concentrations in and metre deep waste stablization ponds at Extrabes N.E. Brazil receiving domestic sewage were largely independent of the surface organic loadings on the. Waste or Wastewater Stabilization Ponds (WSPs) are large, man-made water bodies in which blackwater, greywater or faecal sludge are treated by natural occurring processes and the influence of solar light, wind, microorganisms and ponds can be used individually, or linked in a series for improved treatment.

There are three types of ponds, (1) anaerobic, (2) facultative and (3) aerobic. The present study reports on research on the poorly functioning reddish-pink ponds in Sana'a, thought also to be representative for the many other defective ponds in the country.

In a sewerage system was constructed in Sana'a to handle the. Silva, P. C., and Pappenfuss, F.,Report on a Systematic Study of the Algae of Sewage Oxidation Ponds (State Water-pollution Control Board, Sacramento, California, ).

Google Scholar Silva, P. C., Standard Methods for the Examination of Water and Sewage. Algae (/ ˈ æ l dʒ i, ˈ æ l ɡ i /; singular alga / ˈ æ l ɡ ə /) is an informal term for a large and diverse group of photosynthetic eukaryotic is a polyphyletic grouping, including species from multiple distinct ed organisms range from unicellular microalgae, such as Chlorella and the diatoms, to multicellular forms, such as the giant kelp, a large brown alga.

The growth of algae followed the growth of the bacteria since the algae used the carbon dioxide produced by the bacteria. One significant factor that has been overlooked by many engineers was the fact that carbon was the limiting factor in the growth of algae in sewage oxidation ponds.

Aerated ponds 3. Aerobic ponds: 4. Anaerobic ponds Facultative Ponds The most common type of pond is the facultative pond. Other terms which are commonly applied are oxidation pond, sewage (or wastewater treatment) lagoon* and photosynthetic pond. ALGAE IN WATER SUPPLIES. sewage is changed from an offensive to an inoffensive condition (6).

Recently algae have received more attention for the part they are able to play in sewage treatment. In sewage stabilization ponds or lagoons, algae can be utilized for the production of oxygen essential to the growth of the bacteria.

A study of a sewage fed high rate stabilization pond in Thailand. Wastewater Treatment and Resource Recovery. Report of a workshop on high-rate algae ponds.

IDRC. PI Edwards, P. and Sinchumpasak, O. The harvest of microalgae from the effluent of a sewage fed high rate stabilization pond by Tilapia nilotica. Aquaculture. Oxidation ponds. Oxidation ponds are aerobic systems where the oxygen required by the heterotrophic bacteria (a heterotroph is an organism that cannot fix carbon and uses organic carbon for growth) is provided not only by transfer from the atmosphere but also by photosynthetic algae.

The algae are restricted to the euphotic zone. Platt, Emilie L. The population of the blanket-algae of fresh-water ponds. Amer. Naturalist and G. Papenfuss. A systematic study of the algae of sewage oxidation ponds.

California State Water Pollution Control Board, Publ. 34 p. Significance, and Control of Algae in Water Supplies., book, From toa total raw sewage amount of million cubic metres (MCM) was conveyed to the facultative oxidation ponds, and a total water amount of MCM was pumped from the aquifer in the period – and supplied to the South of the country.

Part of the water was lost, mostly due to evaporation and seepage from the ponds. oxidation ponds--waste treatment studies, radioisotope uptake, and algae concentration.

technical report no. 2.Carries out an investigation to evaluate the performance of the maturation pond, one of an aerated oxidation pond system at the Mit Mazah Sewage Treatment Plant (Daquahliya Governorate, Egypt), with respect to phytoplanktonic structure and nutrient elimination during different seasons.

Details how the study collected composite water samples from the maturation pond at monthly intervals.6. (P.C. Silva & R.C. Starr) Difficulties in applying the International Code of Botanical Nomenclature to certain unicellular algae, with special reference to Chlorococcum. Svensk Bot.

Tidskr. 47(2): – 7. (P.C. Silva & G.F. Papenfuss) A systematic study of the algae of sewage oxidation ponds.