Essays about: "alkali treatment"

Showing result 6 - 10 of 23 essays containing the words alkali treatment.

  1. 6. Evaluation of Wet Spinning of Fungal and Shellfish Chitosan for Medical Applications

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Ghasem Mohammadkhani; [2021]
    Keywords : Chitosan fiber; Fungal fiber; Wet spinning; Hydrogel; Suture applications;

    Abstract : The aim of this project was to address the food waste problem, particularly bread waste, to some extent by producing monofilaments obtained from wet spinning of fungal hydrogel through the cultivation of Rhizopus delemar on bread waste. The project had two phases. READ MORE

  3. 7. Hydrolysis of waste activated sludge from pulp and paper mills : effect on dewatering properties and biogas potential by utilizing existing side streams

    University essay from Linköpings universitet/Tema Miljöförändring

    Author : Louise Hjalmarsson; [2021]
    Keywords : hydrolysis; dewatering properties; biogas; sludge; waste activated sludge;

    Abstract : A big challenge within pulp and paper mills is the large quantities of waste activated sludge (WAS) that is produced during the wastewater treatment. The WAS is made up of biological cells and extra polymeric substances (EPS) and can bind a large amount of water causing difficulties to dewater the WAS. READ MORE

  4. 8. Preparation of films and nonwoven composites from fungal microfibers grown in bread waste

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Maximilian Köhnlein; [2020]
    Keywords : bread waste; chitin; chitosan; filamentous fungi; film; fungal cell wall; fungal microfibers; glucosamine; mycelia; N-acetyl-glucosamine; nonwoven; wet-laid;

    Abstract : Unsold bread makes up a signification fraction of waste occurring in Swedish supermarkets. This thesis seeks to address the problem of food waste, by cultivating filamentous fungi on bread waste and producing chitinous films and nonwovens from them. READ MORE

  5. 9. Growth of filamentous fungi in pure olive oil : a fundamental study for application to vegetable oil-derived waste streams

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Tahir Muhammad Nazir; [2020]
    Keywords : filamentous fungi; oleaginous fungi; Aspergillus oryzae; Neurospora intermedia; olive oil; fat; fungal biomass;

    Abstract : Vegetable oil is more difficult to degrade by microorganisms in comparison to carbohydrates and protein. Thus, it creates serious environmental and health concerns if oil-derived waste streams produced by restaurants and industries remain untreated. READ MORE

  6. 10. Sustainability assessment of potential wastewater treatment techniques in Tupiza, Bolivia

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Johanna Burström; [2020]
    Keywords : MCA; wastewater treatment; sustainable sanitation; Bolivia; stabilisation ponds; anaerobic reactors; constructed wetland; alkaline treatment of sludge; ammonia treatment of sludge; MCA; avloppsrening; hållbara VA-lösningar; Bolivia; stabiliseringsdammar; anaerobiska reaktorer; anlagd våtmark; alkalin slambehandling; slambehandling med ammoniak; Análisis multicriterio; tratamiento de aguas residuales; saneamiento sostenible; Bolivia; estanques de estabilización de desechos; reactores anaeróbicos; humedales artificiales; tratamiento de lodo con cal; tratamiento de lodo con urea;

    Abstract : Aiming for sustainable sanitation systems can provide benefits among a vast range of Sustainable Development Goals. In this study the sustainability of potential options for renovating or upgrading thewastewater treatment plant in Tupiza, a rapidly growing city in theSouthern highlands of Bolivia, was evaluated. READ MORE