Essays about: "chlorine"

Showing result 1 - 5 of 72 essays containing the word chlorine.

1. 1. Modelling the chemical recycling of plastic waste via pyrolysis and analysing integration with existing refinery infrastructure

   University essay from Lunds universitet/Kemiteknik (CI)

   Author : Simon Dahl; [2023]
   Keywords : Pyrolysis; Recycling; Integration; Modelling; Simulation; Techno-economic; Plastic; Chemical engineering; Technology and Engineering;

   Abstract : Current plastic management is unsustainable as large amounts of plastic end up landfilled or in the ocean, necessitating an expansion of waste management infrastructure. Pyrolysis is a viable chemical recycling option, and in this report a pyrolysis model is constructed in Aspen Plus. READ MORE

3. 2. Propagation of Nuclear Data Uncertainties for Reactor Physics Parameters in Fluorine-19-based Molten Salt Reactors

   University essay from Uppsala universitet/Tillämpad kärnfysik

   Author : Sigfrid Stjärnholm; [2023]
   Keywords : ;

   Abstract : It could be argued that a renaissance is taking place for the global interest in nuclear power - especially for the development of the next generation of reactor systems that aim at solving the problems with contemporary energy production with nuclear technology. One such proposed concept for Gen IV nuclear power is a Molten Salt Reactor (MSR), in which the nuclear fuel is in solution of a salt - often based on fluorine or chlorine. READ MORE

4. 3. Impact of pre-treatments on the brightness stability of a conventional and near neutral pH ECF-light bleaching sequence

   University essay from KTH/Fiber- och polymerteknologi

   Author : Ali Amirjani; [2023]
   Keywords : ECF; Bleaching; Pulp; AOX; Brightness Stability; ECF; Blekning; Massa; AOX; Ljushetsstabilitet;

   Abstract : Syftet med denna studie är att undersöka inverkan av förbehandlingar på ljushetsstabiliteten av Northern Bleached Softwood Kraft (NBSK) som har blekts enligt (OO) (OP) D/Dn (PO) bleksekvensen. Effekten av förbehandling med xylanas (X), mild sur (A), DTPA (Q) samt ett kombinerad DTPA- & xylanassteg (Q+X) har studerats. READ MORE

5. 4. Analysis of Methanol Based Chlorine Dioxide Production : An analysis of sodium chlorate reduction efficiency and investigation of salt cake filter wash on an SVP-LITE® system

   University essay from Karlstads universitet

   Author : Emil Lundh; [2023]
   Keywords : ECF; SVP-LITE®; chlorine dioxide; bleaching; ECF; SVP-LITE®; Klordioxid; blekning;

   Abstract : This work aimed to determine how effective an SVP-LITE® chlorine dioxide plant at Vallviks Bruk was running. This was done by determining the chemical consumption per unit of chlorine dioxide produced. The calculations relied upon online instrumentation that was manually validated. READ MORE

6. 5. Dioxins: An Easy Problem to Solve or a Hard-Fought Battle for the Environment? a Case Study of How and Why the Pulp and Paper Industry in Sweden Transitioned Away From Chlorine-Bleaching

   University essay from Lunds universitet/Sociologiska institutionen; Lunds universitet/Sociologi

   Author : Marcus Aronsson; [2023]
   Keywords : environmental sociology; ecological modernization; treadmill of production; middle-range; industrial transition; Social Sciences;

   Abstract : The situation for the environment is in many ways dire. However, amidst all the negative environmental developments it is easy to neglect the successes that have actually happened. READ MORE