Essays about: "pH effects"

Showing result 1 - 5 of 162 essays containing the words pH effects.

  1. 1. Effects of land use on wetland carbon storage and ecosystem services in the tropics : A first estimation investing rural wetlands in central and eastern Uganda

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Astrid Hedman; [2019]
    Keywords : tropical ecosystems; wetlands; carbon stocks; ecosystem services; climate change;

    Abstract : Wetlands provide important ecosystem services (ES) by storing large amounts of organic carbon (OC) and being of high biological, cultural, and economical value. Uganda is covered by vast wetland areas but has with a booming population rapidly been decreasing due to pressure on lands. READ MORE

  3. 2. Effects on wastewater due to new active pharmaceutical ingredients and products

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Marina Vik; [2019]
    Keywords : Pharmaceutical wastewater; wastewater treatments; BOD; COD; chemical engineering; kemiteknik; Earth and Environmental Sciences; Technology and Engineering;

    Abstract : Wastewater from pharmaceutical industries can sometimes contain substances that could cause complications in the receiving wastewater treatment plant. This master thesis is about a phar-maceutical company and the wastewater from it. READ MORE

  4. 3. Long-term application of digestate and biofuel ash to arable soil : effects on the solubility of Cd, Al and trace metals as evidenced by simulated scenarios

    University essay from SLU/Dept. of Soil and Environment

    Author : Elias Bäckström; [2018]
    Keywords : cadmium; fertilizer; Visual MINTEQ;

    Abstract : The importance of nutrient recycling could not be emphasized enough in to-day’s society. Reduction of waste as well as recycling of nutrients would be the result if ash and biogas digestate could be used as fertilizer. However, the solubility of Cd, Al and micronutrients might be affected in a different way than by standard fertilizers. READ MORE

  5. 4. Arbuscular mycorrhizal fungi in spring wheat : impact of waste-based fertilizers

    University essay from SLU/Dept. of Soil and Environment

    Author : Julia Dahlqvist; [2018]
    Keywords : digestate; ash; Cd; cadmium; circular economy; phosphorus; Glomeromycota; quantitative polymerase chain reaction; qPCR; microscope; field; pH; Quarna;

    Abstract : Phosphate rock is a diminishing source of phosphorus (P) for crop production. Other sources are being investigated to replace it, for example bio-ash from wood combustion and biogas digestate from house hold wastes. Ash and digestate application have resulted in increased yields, but the effect on the soil biota has been somewhat varied. READ MORE

  6. 5. Selective serotonin reuptake inhibitors in the Baltic Sea region : The effects of SSRI on teleost fish

    University essay from Södertörns högskola/Institutionen för naturvetenskap, miljö och teknik

    Author : Ida Skaring; [2018]
    Keywords : SSRI; Teleost; Physical effect; Behavioral effect; Ecological impact;

    Abstract : Pharmaceuticals, enter the aquatic environments through sewage treatment plants and may affect fish. This examination paper is a literature study that focuses on Selective serotonin reuptake inhibitors, SSRIs, exposure and the impacts on teleosts in the Baltic Sea by assessment of peer-reviewed literature and material. READ MORE