Essays about: "coliform bacteria"

Showing result 1 - 5 of 20 essays containing the words coliform bacteria.

  1. 1. Hydrochemical investigation and vulnerability assessment of the Los Bambinos aquifer in Costa Rica

    University essay from Lunds universitet/Teknisk geologi; Lunds universitet/Väg- och vattenbyggnad (CI)

    Author : Jennifer Berg; Marco Kraus Schmitz; [2020]
    Keywords : Hydrochemistry; Aquifer pollution vulnerability assessment; Los Bambinos aquifer; Barva aquifer; Alajuela; GOD; DRASTIC; Groundwater quality; Technology and Engineering;

    Abstract : In this study, a hydrochemical and biological investigation, and a vulnerability assessment were conducted on the Los Bambinos aquifer during the spring of 2020. A literature study on previous studies conducted in the area was also made. This aquifer is located on the southwestern slope of the Barva volcano, northeast of Alajuela, Costa Rica. READ MORE

  2. 2. Coliform as an indicator of waterborne microbial pathogens : identification using DNA sequencing

    University essay from SLU/Department of Molecular Sciences

    Author : Beatrice Tillgren; [2019]
    Keywords : water safety; indicator organism; microbial detection methods; international and national water regulations;

    Abstract : Coliforms are a group of bacteria that since the end of the 1900s’ have been used as an indicator for fecal contamination of water. With advances in microbiology in the 1900’s it became clear that the coliform group is large and varied group of bacteria and not ideal to use as indicator of waterborne pathogens. READ MORE

  3. 3. Udder health in dairy cows in Tajikistan – prevalence of mastitis and bacteriological findings

    University essay from SLU/Dept. of Clinical Sciences

    Author : Elisabeth Genfors; [2018]
    Keywords : milk; bovine mastitis; Tajikistan; small household farm; commercial dairy farm; bacteriological cultivation;

    Abstract : Agriculture, including dairy production, is one of the most important industries in Tajikistan, occupying more than 50% of the country’s population. Consequently, milk is an important source of income, but it also contains essential nutritional components. READ MORE

  4. 4. Biolayer development in a slow sand filter in Ghana : Designing a filter that is benefiting the biolayer development under local conditions

    University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Linda Hummerhielm; [2017]
    Keywords : slow sand filter; biolayer; development; långsamfilter; biofilm; utveckling;

    Abstract : In 2015, the United nations presented the 17 Global Goals that would put an end to extreme poverty, inequality and climate change by 2030. One of these goals was clean water and sanitation. In 2015 1.8 billion people did not have access to clean water. READ MORE

  5. 5. A combination of temperature and urea sanitization of blackwater : optimization of a full scale system in Hölö, Sweden

    University essay from SLU/Dept. of Energy and Technology

    Author : Dorothee Göttert; [2016]
    Keywords : ammonia; Ascaris; blackwater; enterococci; f-RNA; bacteriophage; low temperature; Salmonella; somatic coliphage; thermo tolerant coliform bacteria E. coli; urea;

    Abstract : There are an abundance of environmental problems in the world today, some of which can be traced back to a lack of proper sewage treatment. Human toilet waste, also called blackwater, is discharged untreated into the environment where it can contaminate water bodies, including drinking water sources. READ MORE