"Activated sludge" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 15 of 50 - About 500 Essays
  • Powerful Essays

    by natural disaster‚ this material can be used for economic feasibility.To investigate the utilization of Hypo Sludge and fly ash as Supplementary Cementitious Materials (SCM) and influence of these hypo sludge and fly ash on the Strength of concretes made with different Cement replacement levels and compare with ordinary concrete. Investigate low cost concrete by using hypo sludge and fly ash as SCM and

    Premium Concrete Portland cement

    • 2265 Words
    • 10 Pages
    Powerful Essays
  • Good Essays

    between five alternatives for sludge treatment‚ embracing economic and GWP issues. In doing so‚ five scenarios regarding the stakeholders’ preferences are evaluated using a WWTP with a one million person equivalent (PE) capacity as a case study. The most relevant factors contributing to the overall plant feasibility and GWP of the evaluated alternatives was identified and

    Premium Sewage treatment Sewage treatment Decision support system

    • 924 Words
    • 4 Pages
    Good Essays
  • Powerful Essays

    Methane Production

    • 4039 Words
    • 17 Pages

    Methanogenesis Methane fermentation is the consequence of a series of metabolic interactions among various groups of microorganisms. A description of microorganisms involved in methane fermentation‚ based on an analysis of bacteria isolated from sewage sludge digesters and from the rumen of some animals‚ is

    Premium Anaerobic digestion Methane Bacteria

    • 4039 Words
    • 17 Pages
    Powerful Essays
  • Good Essays

    Decanter

    • 8952 Words
    • 36 Pages

    put together. The success of the centrifuge depends upon the reaction between the sludge and the polymer. It is no exaggeration to say that the polymer selection determines the success of the project. There are three steps to the selection process‚ each more important than the others: 1. Make up small quantities of test solutions. 2. Evaluate the reaction between the solutions and a sample of the sludge. 3. Make repeatable observations. Predicting the performance of the centrifuge

    Premium Water Drinking water

    • 8952 Words
    • 36 Pages
    Good Essays
  • Good Essays

    Waste Water Processing

    • 381 Words
    • 2 Pages

    I. One underground sludge tank II. Pipes to fetch waste water from the tank III. Three motors IV. Manual wheel type keys to control sludge V. Mechanized pumps operating panels VI. Vent pipes. The spot 1. Underground sludge tank: It is a big tank where all the waste matters & sewage are stored for treatment. Heavy solid wastes are settled as sludge‚ and only liquid portion of waste water are separated

    Premium Wastewater Sewage treatment Sewage

    • 381 Words
    • 2 Pages
    Good Essays
  • Better Essays

    E Environmental Chemistry

    • 2258 Words
    • 15 Pages

    E1 Primary Air Pollution Primary pollutants are pollutants that are added directly to the air. Primary pollutant Natural Source Man-made source Effect on health Methods of reduction Carbon monoxide (CO) Atmospheric oxidation of methane (plant degradation) CH4 + ½ O2  CO + 2 H2 Natural forest fires Incomplete combustion of fossil fuels C8H18 + 8 ½ O2  8 CO + 9 H2O Forest fires Prevents hemoglobin from carrying oxygen by forming carboxyhemoglobin Headaches Shortness of breath Unconsciousness Death

    Premium Oxygen Carbon dioxide Greenhouse gas

    • 2258 Words
    • 15 Pages
    Better Essays
  • Powerful Essays

    research (published during the past three years) on this topic is reviewed in the current paper. Special attention is paid to anaerobic co-digestion of animal waste‚ crop and crop residues‚ municipal solid waste (MSW)‚ as well as municipal sewage sludge. KEYWORDS: Anaerobic; Co-digestion; Biomass; Methane; Animal Manure INTRODUCTION Biomass Biomass has been defined as organic matter formed by photosynthetic capture of solar energy and stored as chemical energy (Gunaseelan‚ 1997)‚ which includes

    Premium Anaerobic digestion Waste management Biogas

    • 3608 Words
    • 15 Pages
    Powerful Essays
  • Better Essays

    processes use aerobic and facultative bacteria to break down the organic compounds found in wastewater into more stable products that will not harm the receiving waters. Wastewater treatment facilities such as lagoons or ponds‚ trickling filters and activated sludge plants depend on these aerobic bacteria to treat sewage. If the amount of DO present in the wastewater process becomes too low‚ the aerobic bacteria that normally treat the sewage will die. The process will not operate efficiently and septic

    Premium Water Oxygen Sewage treatment

    • 1094 Words
    • 5 Pages
    Better Essays
  • Powerful Essays

    Sfdsfds

    • 9397 Words
    • 38 Pages

    PANCHAJANYA VIDYA PEETA Dept. of Civil Engineering‚ MallathahalliBangalore – 560056 INTENSIVE PROJECT REPORT This is submitted in partial fulfillment of the requirement for the award of Diploma in Civil Engineering By:-Megha H.J Mahalakshmi.R‚Chaitra.H‚ Vandana.B.P‚Mohan kumar.K.U‚ Santhosh Narayanappa. R Sanju C.M‚Sundar.V. UNDER THE GUIDENCE OF M.N.RAJASHEKARA Department OF Civil Engineering P.V.P polytechnic Mallathahalli‚ Bangalore – 560056 PANCHAJANYA VIDYA PEETA

    Premium Concrete

    • 9397 Words
    • 38 Pages
    Powerful Essays
  • Good Essays

    Verna Williams May 18‚ 2015 SC4730 Unit 6 Lab 1 Dr. Barnes-Small 1. How does the plant work? How does it remove solids‚ reduce organic matter‚ and restore oxygen to the water? The District of Columbia Water and Sewer Authority receives and treats wastewater collected from the District of Columbia sewer system and from the Maryland and Virginia suburbs. The treatment has two phases‚ in the first phase begins as debris and grit which is removed and trucked to a landfill where the sewage then flows

    Premium Sewage treatment Water Wastewater

    • 928 Words
    • 4 Pages
    Good Essays
Page 1 12 13 14 15 16 17 18 19 50