Essays about: "Reactive dye"

Showing result 1 - 5 of 9 essays containing the words Reactive dye.

1. 1. Study on Decolorization of Reactive-dyed Cotton through Fenton-oxidation as a Pre-treatment for Textile Recycling

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

   Author : Elise Meurs; [2023]
   Keywords : Fenton-oxidation; advanced oxidation processes; decolorization; textile recycling; cotton; reactive dye;

   Abstract : In this master thesis, the feasibility of Fenton-oxidation for the decolorization of reactive dyed cotton is investigated as a potentially environmental-friendly preparatory treatment for mechanical/chemical recycling. Raw, knitted cotton is dyed with a black and a blue dye, whereafter preliminary tests are performed to investigate the influence of increasing Fenton- solution concentrations and different iron-sources on the efficiency of the discoloration, without carrying out complete optimization of the process-parameters. READ MORE

3. 2. The impact of the wet dyeing process on the environmental sustainability : A case study of IKEA and their usage of water, energy and chemicals

   University essay from Linnéuniversitetet/Institutionen för ekonomistyrning och logistik (ELO)

   Author : Paulina Abrahamsson; Maja Johannesson; [2022]
   Keywords : Wet dyeing process; Pad-dry-pad-steam; Cold pad batch; Pigment dyeing; Reactive dye; Pigments; Spray dyeing; Foam dyeing; Airflow dyeing; Supercritical carbon dioxide dyeing; Natural colorants; bacterial colorants; environmental sustainability.;

   Abstract : Background: As a company it is more important than ever to consider the environmental sustainability aspect within the whole supply chain and all the stakeholders. Studies show that people's concerns about environmental sustainability increases and will continue to grow in the future. READ MORE

4. 3. Establishing a resource-efficient one-step process for dyeing and hydrophobic finishing of wool with a hydraulic spray atomising system.

   University essay from

   Author : Roos Mulder; [2021]
   Keywords : Wool; continuous dyeing; reactive dyeing; acid dyeing; hydrophobic finishing; hyperbranched polymers; dendrimers; hydraulic spray atomising;

   Abstract : The textile industry is a big environmental polluter, with one of the biggest concerns being water pollution and usage. This necessitates resource efficient methods for wet textile processes. READ MORE

5. 4. More than meets the dye : a textile design exploration of combining fibre-specific dyeing and structural weaving to create a multidimensional fabric

   University essay from Akademin för textil, teknik och ekonomi

   Author : Saga Nilsson; [2015]
   Keywords : Textile design; textile fiber; weaving; dyeing; structure; material; sustainable design;

   Abstract : This project explores the combination of a woven structure consisting of different fibers with dyeing to create a multidimensional woven textile capable of altering in expression. This project aims to show how a designer can work with fibre-specific dyeing and multiple fibers in a woven textile and the many possibilities this lends in a design process. READ MORE

6. 5. Phosphorus Removal and Methylene Blue Adsorption by Porous Calcium Silicate Hydrate.

   University essay from KTH/Mark- och vattenteknik

   Author : Asanka Welagedara; [2013]
   Keywords : Absol; Batch experiment; Sorption capacity; Adsorption kinetic; ;

   Abstract : Nutrients (nitrogen and phosphorus) should be removed and recycled from wastewater in order to reduce the nutrient load to recipient waters, avoiding contamination of groundwater and conserve resources. There is a need to pay more attention to phosphorus (P) removal and recycling from wastewater due to limited availability of phosphorus recourses. READ MORE