Essays about: "chemical disinfection"

Showing result 11 - 15 of 15 essays containing the words chemical disinfection.

  1. 11. The Relevance of the Sodium Hypochlorite Solution Certeza as a Domestic Water Disinfecatant in Maputo.

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Samuel Brudefors; Sofia Kac; [2014]
    Keywords : Technology and Engineering;

    Abstract : The quality of piped drinking water in Maputo is generally poor and it affects many people, in particular the poor living in areas with inadequate or insufficient water distribution systems. In Mozambique, the chemical disinfectant, Certeza (containing diluted sodium hypochlorite), is used to treat domestic water at the consumers’ end. READ MORE

  3. 12. Nitrogen based sanitation of source separated faecal matter

    University essay from SLU/Dept. of Microbiology; SLU/Dept. of Biometry and Engineering

    Author : Annika Nordin; [2006]
    Keywords : ammonia; Ascaris suum; chemical disinfection; Enterococcus faecalis; Escherichia coli H7:O157; faeces; Salmonella Typhimurium; sanitation; urea.;

    Abstract : To fulfil the UN millennium goals for sustainable development, there is an urgent need for alternatives to conventional water based sanitation. Faeces and urine contain valuable plant nutrients and should be considered as resources rather than wastes. READ MORE

  4. 13. Nitrogen based sanitation of source separated faecal matter

    University essay from SLU/Dept. of Microbiology

    Author : Annika Nordin; [2006]
    Keywords : ammonia; Ascaris suum; chemical disinfection; Enterococcus faecalis; Escherichia coli H7:O157; faeces; Salmonella Typhimurium; sanitation; urea;

    Abstract : To fulfil the UN millennium goals for sustainable development, there is an urgent need for alternatives to conventional water based sanitation. Faeces and urine contain valuable plant nutrients and should be considered as resources rather than wastes. READ MORE

  5. 14. Effects of ozonation/filtration on the raw water from Lake Mälaren

    University essay from Institutionen för geovetenskaper

    Author : Nina Larsson; [2004]
    Keywords : Drinking water treatment; ozonation; filtration; chemical coagulation; pilot plant; lab-scale experiments.;

    Abstract : Syftet med examensarbetet var att undersöka effekterna av ozonering och filtrering på råvattnet från sjön Mälaren. Studien är utförd i en pilotanläggning på Lovö vattenverk, Stockholm Vatten AB, under våren 2004. En negativ effekt med den konventionella reningen är den stora konsumtionen av kemiska koagulanter. READ MORE

  6. 15. Odlingens och lagringens inverkan på utsädes grobarhet

    University essay from SLU/Dept. of Crop Science

    Author : Carl-Henrik Stenson; [2004]
    Keywords : lagring; grödor;

    Abstract : At seed-growing the aim is to produce a commodity with high germination capacity, good soundness and purity, and also slight admixture of seeds from other species. The capacity of germination and the vigour of the seeds may become impaired in consequence of mechanical damage, infection of diseases, growth of mould, attacks of vermin, high drying temperature, secret germination, sprouting in the ears etc. READ MORE