Essays about: "Formaldehyde"

Showing result 1 - 5 of 35 essays containing the word Formaldehyde.

1. 1. Risk assessment of non-intentionally added substances in polyester yarn made from recycled polyethylene terephthalate (PET)

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

   Author : Kristina Arnqvist; [2023]
   Keywords : r-PET; polyester yarn; NIAS; risk assessment;

   Abstract : Polyester is a synthetic material made from polyethylene terephthalate (PET), which is synthesised from fossil raw materials. Many clothing manufacturers are using polyester in their clothing, which, from an environmental perspective, creates a non-sustainable cycle. READ MORE

3. 2. Sustainable furniture design – Giving new life to abundant table tops

   University essay from Lunds universitet/Innovation

   Author : Henrik Wikström Lilliehöök; Marcus Johansson; [2023]
   Keywords : MDF; Formaldehyde; Sustainability; Design; Furniture; Technology and Engineering;

   Abstract : To face the rising challenges of climate change, average consumers, institutions and governments need to work towards more sustainable production and consumption. Soeco Kontorsmöbler AB is an established company focused on refurbishing and bringing older furniture back into circulation. READ MORE

4. 3. Evaluation of the stability of immobilized lipases from Rhizomucor miehei and Rhizopus oryzae in high oleic sunflower oil

   University essay from Lunds universitet/Bioteknik (master); Lunds universitet/Bioteknik (CI)

   Author : Jinxu Xu; [2021]
   Keywords : lipase; immobilization; oxidation; biotechnology; Technology and Engineering;

   Abstract : Lipase is one of the most useful enzymes in food industry, which can catalyze the hydrolysis and the synthesis of esters. However, the high cost due to the poor operation stability of lipase hinders the wide use of it. READ MORE

5. 4. Photocatalytic Degradation of Organic Substances in Salt Water

   University essay from KTH/Kemiteknik

   Author : Celice Carlsson; Love Wiklund; Emilie Svensson; Benjamin Fégeant; [2021]
   Keywords : Photocatalytic degradation; titanium dioxide; reactive halogen species; Tris hydroxymethyl aminomethane; methanol; competition kinetics; Fotokatalytisk nedbrytning; titandioxid; reaktiva halogen molekyler; Tris hydroxymetyl aminometan; metanol; konkurrenskinetik;

   Abstract : The purpose of this research was to investigate the kinetics and mechanisms of the photocatalytic degradation of organic substances in the presence of anions (bromide and chloride), using titanium dioxide as a photocatalyst. Tris(hydroxymethyl)aminomethane (Tris) and methanol were the organic substances used as probes. READ MORE

6. 5. Implementation of Reaction Kinetics into Reactor Model Followed by Validation of the Reactor Model

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Rebecka Svensson; [2021]
   Keywords : Modeling; Reaction kinetics; Chemical Engineering; Technology and Engineering;

   Abstract : This master thesis project was performed in collaboration with Johnson Matthey. Johnson Matthey is a worldwide company working with sustainable technologies. The site in Perstorp, where this work was performed, focus on formaldehyde production. In order to continuously improve chemical processes, simulation and modeling are advantageous tools. READ MORE