Essays about: "Hot water extraction"

Showing result 6 - 10 of 10 essays containing the words Hot water extraction.

  1. 6. De-polymerization and Purification of Kraft Lignin Utilizing the Liquid-Lignin Phase

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Martin Sundin; [2017]
    Keywords : ALPHA; SLRP; Liquid-Lignin; Lignin; Technology and Engineering;

    Abstract : The effects of global warming are apparent and the work towards a sustainable future is underway. In order to reduce the environmental impact caused by the transportation sector, a transition from fossil fuels to those based on renewable resources are important. Using agricultural land to produce raw materials, e.g. READ MORE

  2. 7. Mass flows of per- and polyfluoroalkyl substances (PFASs) in a Swedish wastewater network and treatment plant

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Linda Glimstedt; [2016]
    Keywords : per- and polyfluoroalkyl substances; PFAS; 6:2 FTSA; wastewater; wastewater network; wastewater treatment; WWTP; Uppsala; Kungsängsverket; per- och polyfluoroalkylerade substanser; PFAS; 6:2 FTSA; avloppsvatten; ledningsnät; avloppsnät; avloppsvattenrening; reningsverk; Uppsala; Kungsängsverket;

    Abstract : Per- and polyfluoroalkyl substances (PFASs) are man-made substances that hold unique properties. They are not only oil- and water repellants but also very resistant to degradation. Due to these properties, the applications are endless and PFASs can be found in a wide range of industrial applications and commercial products. READ MORE

  3. 8. A method of chemical aftertreatment for the reduction of free formaldehyde release of a durable flame retardant finished cotton fabric

    University essay from Akademin för textil, teknik och ekonomi

    Author : Saima Saleem; [2015]
    Keywords : Aftertreatment; flame retardant; free formaldehyde; tetrakis hydroxymethyl phosphonium chloride THPC urea pre-condensate; ammonia curing; sodium metabisulfite; resorcinol; diethylene glycol; boric acid; curing; oxidation;

    Abstract : This thesis aims at developing a method of chemical aftertreatment for reduction of free formaldehyde release of a tetrakis (hydroxymethyl) phosphonium chloride (THPC) urea precondensate, ammonia cured durable flame retardant finished cotton fabric, by preventing the formation of free formaldehyde. Formaldehyde is toxic and carcinogenic. READ MORE

  4. 9. Release of elements from unprocessed- and processed shale from Kvarntorp : Effect from different pH

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Lovisa Karlsson; [2013]
    Keywords : shale; Kvarntorp; extraction; pH; element; metal; DOC; precipitation; refuse; weathering; sulphate; adsorption;

    Abstract : The alum shale of Sweden is a sulphidic black shale which was mined for its contents of alum during the 17th-19th centuries. During the thirst half of the 20th century alum shale from Kvarntorp was pyrolysed for refinement of its organic matter. READ MORE

  5. 10. Development of WEPO - Water Extraction and Particle formation On-line

    University essay from Lunds universitet/Kemiska institutionen

    Author : Jenny Andersson; [2012]
    Keywords : Analytisk kemi; Chemistry;

    Abstract : There are many valuable substances present in nature such as antioxidants. The conventional method for extracting the antioxidants employs organic solvents. Subcritical Water Extraction (SWE) is a sustainable method for extraction of high valuable compounds. READ MORE