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Dissertations/Theses - Department of Chemical Engineering: Recent submissions

Now showing items 1-20 of 135

Phosphorus recovery by chemical precipitation from the spent liquor of hydrothermal carbonization of biogenic municipal waste

Dhrubo, Akib Atique Khan (Department of Chemical Engineering (CHE), BUET, 2024-06-04)

Phosphorus (P) is an essential macronutrient that helps plant growth by forming energy releasing compounds which is usually supplied by the addition of synthetic fertilizer. P recovery from renewable resources have recently ...
Development and validation of a novel multi-reaction model for hydrothermal carbonization of biogenic materials

Arnob, Assame (Department of Chemical Engineering (CHE), BUET, 2024-02-07)

The increasing demand for energy, rapid depletion of fossil fuels, and global concern on climate change and sustainability make it imperative to find alternative energy sources, prefer- ably from renewable sources. Biomass ...
PERFORMANCE OF DIFFERENT BIOCHARS IN THE DEGRADATION AND ADSORPTION OF CATIONIC AND ANIONIC DYES

Asif, Maskur Nakib (Department of Chemical Engineering(CHE), BUET, 2024-06-05)

In this work, sawdust (SD) and manure pellet (MP) feedstocks were utilized to synthesize biochars. Three pyrolysis temperatures (300, 500 and 700 °C) and non-activation and steam activation were selected to prepare twelve ...
Development of hexagonal boron nitride nanoparticle-based photocatalytic technique for effective sterilization of personal protective equipment Author(s): Sirazam Munira Aishee.

Sirazam Munira Aishee (Department of Chemical Engineering, BUET, 2023-08-08)

The world is under the threat of the COVID-19 pandemic caused by the SARS-CoV-2 virus since December 2019. In addition to the transmission through respiratory droplets and close contact, it can also spread through indirect ...
Assessment of co2 capture via mineralization using coal fly ash

Jahirul Islam, Md. (Department of Chemical Engineering, BUET, 2024-02-07)

Amid growing concerns about anthropologically induced climate change, the search for effective strategies to mitigate CO2 emission become paramount.CO2mineralization using fly ash can be a promising method to address this ...
Alternative use of chlorine for sustainable development of chlor-alkali industries in Bangladesh.

Sujoy Barua (Department of Chemical Engineering, BUET, 2023-09-12)

The chlor-alkali industries produce caustic soda (NaOH), chlorine (Cl2), and hydrogen (H2) as primary products. In 2021, the global chlor-alkali market was valued at $63.2 billion. The article evaluates the global aspects ...
Catalytic degradation of sulfamethoxazole and metronidazole from aqueous solution by photo-fenton process

Sharmin, Ummela (Department of Chemical Engineering, BUET, 2024-02-10)

Residual antibiotics in environment are very reluctant to degrade under normal operating conditions. Aqueous medium of environment is polluted with undegraded or partially degraded antibiotics which is responsible for ...
Degradation of ciprofloxacin and metronidazole and their Combination using UV-activated persulfate process

Ashraful Alam, Md. (Department of Chemical Engineering(CHE), BUET, 2023-04-17)

Metronidazole (MNZ) and Ciprofloxacin (CIP) have been recognized as emerging environmental contaminants since these are largely used and are difficult for biological degradation. These contaminants have adverse effects on ...
Comparative study of removal of ciprofloxacin from synthetic wastewater by two strains of saccharomyces cerevisiae yeast spores

Samiha, Zaman (Department of Chemical Engineering, 2023-08-01)

Among the developing countries in the world, Bangladesh is suspected to be one of the major contributors to regional and global antibiotic resistance because of the widespread misuse of antibiotics in human healthcare, ...
Perturbation of molecular diffusion pathways of brain tumor inhibiting drugs with controlled recovery

Shihabuzzaman, Md. (Department of Chemical Engineering, 2023-06-12)

Efficacy of the brain cancer drugs depends mostly on the type of cancerous tissue that are targeted for therapy and the characteristics of the drug itself. The movement of drug particles within the interstitial healthy ...
Degradation of ciprofloxacin and metronidazole and their Combination using UV-activated persulfate process

Ashraful Alam, Md. (Department of Chemical Engineering, 2023-04-17)

Metronidazole (MNZ) and Ciprofloxacin (CIP) have been recognized asemerging environmental contaminants since these arelargelyused and are difficult for biological degradation. These contaminants have adverse effects on ...
Development of risk assessment model for petrochemical storage using bayesian approach

Ifat, Sharmin (Department of Chemical Engineering, 2022-09-07)

Petrochemical products are inherently hazardous. Accidents related with these products are very frequent these days in Bangladesh. If the storage of this highly flammable and explosive hazardous chemical is improper and ...
Life cycle assessment of processing biogenic residues via anaerobic digestion coupled with hydrothermal carbonization Author(s): Samira Hossain.

Samira, Hossain (Department of Chemical Engineering, 2023-07-04)

Bangladesh produces an astounding amount of around 52.8 million tonnes of agricultural waste annually. Anaerobic digestion (AD) has been traditionallyused for processing biogenic residues in Bangladesh, however, the ...
Comparative analysis of renewable power generation technologies in Bangladesh: technical, economic and environmental aspects

Sadia Saberin (Department of Chemical Engineering(CHE), BUET, 2021-06-16)

Renewable energy plays an important role in strengthening the global energy security as fossil fuel resources are depleting day by day. Approximately 25% of total primary energy supply of Bangladesh comes from renewable ...
Investigation of pot-skirts, loading heights and finned pot arrangements for improved thermal efficiency of gas cooking system

Al-Imran, Kazi (Department of Chemical Engineering(CHE), BUET, 2022-08-23)

In Bangladesh, the natural gas (NG) consumption in cooking is a significant portion of total NG consumption. The socio-economic status of the people and the price of electricity hinder the adoption of clean and efficient ...
Incorporating ash removal unit in local rice parboiling industries for flue gas cleaning and heat recovery

Chakrovorty, Rajata Suvra. (Department of Chemical Engineering, BUET, 2022-02-22)

South Asia is considered the home of parboiled rice as it produces and consumes over 90 percent of the world's parboiled rice. Bangladesh, one of the world's top rice-consuming countries, has a large number of rice parboiling ...
Synthesis and performance evaluation of biochar/chitosan/Zno composite for dye removal from aqueous solution

Arifin, Mohammad Tanvir (Department of Chemical Engineering, 2022-04-23)

Textile effluents have become a major concern to environmentalists due to the bio-persistent nature of the dyes. The azo dyes are toxic to human and aquatic life. In recent years, treatment of contaminated effluents by ...
Analysis of chlorpyrifos pesticide residue in locally grown vegetables using gas chromatography - mass spectrometry technique

Mysha Momtaz (Department of Chemical Engineering, BUET, 2021-10-27)

Food adulteration refers to the alteration of food quality that takes place either deliberately or accidentally. Pesticides are applied to agricultural crops for protection from pests. Being an agricultural country, overuse ...
Impacts of electronic waste on the environment and its management in Bangladesh

Shafaul Haque (Department of Chemical Engineering, BUET, 2021-03-20)

Continuous generation of e-waste and its relevant management process is a great concern in worldwide and Bangladesh. E-waste contains more than 50% steel followed by plastic 21% and other metals including heavy metals 13%. ...
Facile synthesis and characterization of chitooligosaccharides for biomedical applications

Nishat Tabassum (Department of Chemical Engineering, BUET, 2022-06-28)

Chitooligosaccharides (COS) are depolymerized chains produced from the natural polymer chitosan, which has been determined to exhibit enhanced biological activities relative to the native polymer, in addition to high ...

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