Huyen Trang Do Thi

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• Master of Science in Environmental Engineering
• PhD Student at Budapest University of Technology and Economics

This study presents a novel approach to the dehydration of n-propanol using three hybrid methods—D + HPV, D + HPV + D, and D + HPV + D with heat integration—each combining distillation (D) and hydrophilic pervaporation (HPV) without the use of additional solvent agents, as in the most common separation method, extractive distillation. The optimizat...

Distillation serves as the foremost method for commercial-scale separation of fluid mixtures. Widely applied in wastewater treatment, it is the preferred choice for isolating volatile multi-component mixtures into pure substances. Distillation technology offers notable economic benefits due to its easy implementation, high efficiency, productivity,...

Reactive nitrogen (Nr) has become an essential nutrient to reclaim and recycle from wastewater. Nitrogen has become a valued resource that is beneficial to recover in the wastewater sector, as nitrogen is a key component in many fertilizers. The main subject of this work is to investigate the environmental consequences of a novel nitrogen recovery...

Recycling and disposing wastewater from the pharmaceutical industry are of utmost importance in mitigating chemical waste generation, where unmanaged hazardous waste fluxes could cause massive environmental damage. Air stripping, steam stripping, distillation, and incineration offer significant emission reduction potentials for pharmaceutical appli...

The study is motivated by the industrial separation problem in the fine chemical and pharmaceutical industry, that is isobutanol removal from process wastewater. There are several options for separating the isobutanol-water system. When separating on an industrial scale, it is essential that the most suitable alternative is implemented. The classic...

Nitrogen is one of the most critical nutrients in the biosphere, and it is an essential nutrient for plant growth. Nitrogen exists in the atmosphere vastly as a gaseous form, but only reactive nitrogen is usable for plants. It is a valuable resource and worth recovering in the wastewater sector. The aim of this work was to prepare a comprehensive e...

Nowadays, the drinking water shortage is increasing, mainly due to rapid population growth, climate change, wasteful overuse of water, and pollution. Under the current circumstances, a quarter of the world's population will not have access to good quality drinking water. Thus, another solution must be adopted in areas with insufficient freshwater....

Napjainkban az ivóvízhiány egyre nagyobb méreteket ölt, elsősorban a gyors népességnövekedés, az éghajlatváltozás, a pazarló túlhasználat és a szennyezés miatt. A jelenlegi körülmények között a világ lakosságának egynegyede nem jut jó minőségű ivóvízhez. Sőt, 2050-re a világ népességének fele, akár 5 milliárd ember is érintett lehet. Ezért más mego...

In the fine chemical industries, especially in the pharmaceutical industry, production technology generates large amounts of liquid waste and industrial waste solvents. Separation of various organic substances used in industry, such as adsorbable organic halides (AOX), from industrial wastewater is an important task of environmental protection. In...

Chemical laboratories badly need efficient support for human works when experiments are carried out. Process control and data acquisition at the laboratory scale are still practical challenges among others, due to equipment prices and the relative complexity of the different scientific disciplines. There is, however, a large demand recently for the...

In the COVID-19 pandemic period, the role of face masks is critical as a protective physical barrier to prevent droplets and filtrate exhalations coming from infected subjects or against various environmental threats, including the SARS-Cov-2 virus. However, the plastic and microplastic waste from the used face masks pollute the environment, cause...

Nowadays, desalination continues to expand globally, which is one of the most effective solutions to solve the problem of the global drinking water shortage. However, desalination is not a fail-safe process and has many environmental and human health consequences. This paper investigated the desalination procedure of seawater with different technol...

The hybrid distillation-pervaporation process is an efficient method for the removal or recovery of volatile organic compounds from their aqueous mixtures. The hybrid distillation-pervaporation process has not only shown its excellent performance in the purification of solvent mixtures but also proven to have a potential of saving energy. In this s...

It can be stated that in the fine chemical industries, especially in the pharmaceutical industry, large amounts of liquid waste and industrial waste solvents are generated during the production technology. Addressing these is a key issue because their disposal often accounts for the largest proportion of the cost of the entire technology. There is...

Do Thi Huyen Trang, Tóth András József: Ipari hulladékvizek kezelése hibrid eljárással: desztilláció és hidrofil pervaporáció, MASZESZ Hírcsatorna, 3, 2020, pp. 40–49. Megállapítható, hogy a finomkémiai iparokban, főként a gyógyszeriparban a gyártástechnológia során nagy mennyiségű folyékony hulladék, illetve ipari hulladékoldószer keletkezik. Eze...

The study is motivated by the industrial problem from pharmaceutical industry, which is ethanol and methanol removal from process wastewater. To complete this goal hybrid method is investigated and optimized. Two distillation columns are sufficient for separation of alcohol-water mixture. Suitable water can be purified as bottom product of first co...