Essays about: "sewage sludge"

Showing result 11 - 15 of 109 essays containing the words sewage sludge.

  1. 11. Continuous leaching of phosphorus from sewage sludge ash

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Sofie Göransson; [2022]
    Keywords : Ash leaching; Continuous stirred tank reactor; CSTR; Phosphorus recovery; Sewage sludge ash;

    Abstract : The global demand for food is increasing. Different nutrients are used to increase growth in agriculture and are thus essential for the world ́s food supply. An important and common nutrient is phosphorus. It can be mined, in the form of phosphate, from phosphate rock. READ MORE

  3. 12. Biochar Production from Municipal Sewage Sludge via Pyrolysis - The Case of Gotland

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Lara-Patricia Brokmeier; [2022]
    Keywords : Biochar; Municipal Sewage Sludge; Pyrolysis; Carbon Sequestration; Heavy Metals; Gotland;

    Abstract : In order to keep global average temperature below 2°C it is necessary to accelerate climate change mitigation actions and reduce global greenhouse gas emissions. This can be achieved by carbon capture and storage methods such as the production of biochar. READ MORE

  4. 13. Soil carbon relations in Swedish agriculture : A GIS analysis and literature review of soil characteristics at farm level

    University essay from Linköpings universitet/Institutionen för tema

    Author : Christiane Schulze; [2022]
    Keywords : Carbon sequestration; Crop yield; Management practices; Soil organic carbon; Soil organic matter; Sweden; northern Europe;

    Abstract : Carbon storage in agricultural soils is an important measure to mitigate climate change. As the soil management techniques can greatly influence the amount of carbon stored in agricultural soils, the influence of different managements was analyzed in a literature review for northern Europe and Sweden. READ MORE

  5. 14. Distribution and transport of microplastics and metals in sewage sludge-amended agricultural soil : a Comparative study between microplastics copper, cadmium, and nickel

    University essay from SLU/Dept. of Soil and Environment

    Author : Nora Ottander; [2022]
    Keywords : Bioturbation; advective transport; earthworm; Aporrectodea longa;

    Abstract : This thesis investigated the vertical transport of microplastics and metals in agricultural soil after sewage sludge application. Sewage sludge is commonly used in agriculture for adding nutrients and carbon to improve the soil quality. READ MORE

  6. 15. Pharmaceuticals and other chemicals of emerging concern in leachate from a landfill and sludge storage facility

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Victoria Runnäs; [2022]
    Keywords : Chemicals of emerging concern CECs ; pharmaceuticals; leachate; landfill; sludge; wastewater treatment plant WWTP ; Potentiellt hälso- eller miljöfarliga kemikalier; läkemedel; lakvatten; deponi; slam; avloppsreningsverk;

    Abstract : The occurrence of 86 chemicals of emerging concern (CECs) (including pharmaceuticals, parabens, per- and polyfluoroalkyl substances, pesticides, stimulants, an isoflavone and an industrial chemical) was investigated in this study at Hovgården, a waste facility in Uppsala (Sweden). The selected CECs were analysed using solid phase extraction, sludge extraction and ultra-high pressure liquid chromatography coupled to mass spectrometry. READ MORE