Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 26 for “"chemical manufacturing"”.
-
Inventory segmentation and production planning for chemical manufacturing
… many continuous production environments such as chemical or petrochemical production, where the costs of switching production from one item over to another are very high. Due to high changeover costs, each item is produced in large batches and its demand is fulfilled from the finished goods …
-
MACT Implementation at an Organic Chemical Manufacturing Facility: Human Health Risk Reduction
… inhalation health effects of a single organic chemical manufacturing facility in Geismar, Louisiana prior to and after Maximum Achievable Control Technologies (MACT) were implemented. The results indicate significant reductions in both cancer risk and non-cancer hazards. The analysis also …
-
Engineering redox-mediated electrochemical separations for sustainable process intensification in chemical manufacturing
DSpace SAF Submission Ingestion Package generated from Vireo submission #19570 on 2023-12-04 at 17:31:51
-
The impact of an emission reduction strategy on Polaroid's chemical manufacturing processes
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1994, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
-
Redox-mediated separation for sustainable chemical manufacturing: Enantioselective separation and homogeneous catalyst recycling
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-12-01
-
Batch sizing strategy & production load leveling in a multi-step chemical manufacturing process
… reduction and productivity increase in the manufacturing units. Demand for chemicals used in film and paper for silver halide-based photography has steadily decreased in the last decade. There is growing pressure to increase inventory turns in production processes that are not as profitable …
-
Effects of waste disposal on soil and water chemistry at an industrial complex near Somerset West, South Africa
… 12 million metric tons, arises from the chemical manufacturing industry. Although increasing attention is being given to methods of land treatment for waste disposal waste is still disposed of by dumping/stockpiling. This study focuses on the effects of such waste disposal on soil and …
-
Multiscale development of electrochemical separations: from molecular design of redox-moieties to interfacial characterization and process simulation
… and the improvement of downstream separations in chemical manufacturing, highlight the need for novel approaches with lower energy consumption, higher selectivity, and reduced chemical inputs. Electrochemistry can meet these stringent requirements with the added benefit of being suitable for both …
-
Multiple objective resource allocation in product and process development
… during the initial-tages of pharmaceutical and chemical process development. The goal is to identify the most useful information that can be obtained for the least amount of effort and time. The allocation of resources for information gathering is based on Bayesian experimental design. …
-
Smart Data Analytics for Manufacturing Processes
… in the context of process monitoring schemes for chemical manufacturing processes. For both objectives, a visual representation of the method selection process is presented in form of a data analytics triangle. The necessary interrogation framework for the model selection process is introduced and …
-
OPPORTUNITIES AND CHALLENGES OF BIOCATALYSIS IN PHARMACEUTICAL SCIENCES: DEVELOPING TAILORED BIOCATALYSTS FOR SYNTHETIC APPLICATIONS
… and sustainable alternative to traditional chemical synthesis, particularly in the preparation of stereochemically complex pharmaceutical intermediates. This doctoral research focuses on the development of tailored biocatalysts, specifically amine transaminases (ATAs), for the synthesis of …
-
An evaluation of the implementation of ERM in the internal control structure of a fertilizer manufacturing organisation
… has worsened since the COVID-19 pandemic. The chemical manufacturing industry is no different to this phenomenon since organisations are struggling to identify and manage risk optimally due to ineffective risk management systems. Hence many organisations are adopting Enterprise Risk Management …
-
Investigation into the Production of Carbonates and Oxides from Synthetic Brine through Carbon Sequestration
… with CO2, to provide a comparable low carbon manufacturing process due to the recycling of CO2. The produced deposits are then calcined to oxides with potential usage in construction industry. The entire system is a closed loop to achieve both environmental optimisation and good productivity. …
-
Scalable Synthesis and Separation Performance of Covalent Organic Framework and Contorted Polyamide Membranes
… processes are imperative to industries including chemical manufacturing, resource recovery and product purification. Conventional separation processes like distillation and solvent extraction are energy and chemical intensive with large environmental footprints. Membrane separation processes are …
-
DEVELOPMENT OF FLOW PROCESSES FOR THE EFFICIENT AND SUSTAINABLE PREPARATION OF HIGH VALUE CHEMICALS
… involves the development and implementation of chemical processes, materials, and technologies that fulfill present needs without compromising the ability of future generations to meet theirs. Growing concerns over global pollution and resource depletion have underscored the urgency of reducing …
-
Scalable Synthesis and Separation Performance of Covalent Organic Framework and Contorted Polyamide Membranes
… processes are imperative to industries including chemical manufacturing, resource recovery and product purification. Conventional separation processes like distillation and solvent extraction are energy and chemical intensive with large environmental footprints. Membrane separation processes are …
-
Toward the Synthesis of Designed Metal-Organic Materials
… but not limited to, communication, computing, chemical manufacturing, and transportation. Design approaches based on building blocks provide a means to conquer the challenge of constructing premeditated solid-state materials. Single-metal ion-based molecular building blocks, MNx(CO2)y+x, …
-
Computational Approaches for Understanding and Redesigning Enzyme Catalysis
… for applications ranging from therapeutics to chemical manufacturing. However, it remains challenging to identify the specific structural and dynamic mechanisms underlying the catalytic power of enzymes, which has limited our ability to re-engineer catalytic properties. In this thesis, I …
-
Coupled Field Modeling of Gas Tungsten Arc Welding
… is used extensively in aerospace, automotive, chemical, manufacturing, electronic and power-generation industries. Thermally-induced residual stresses due to welding can significantly impair the performance and reliability of welded structures. Numerical simulation of weld pool dynamics is …
-
Towards understanding fouling mechanisms in continuous crystallisation processes
… including oil and gas, pharmaceutical and fine chemical manufacturing sectors.;Although it is acknowledged to impact both batch and continuous processing methods it poses a particular challenge to the controlled operation of continuous crystallisation processes where extended operation under …
Page 1 of 2