Molecular Simulation Study on the Adsorption Mechanisms of Microbial Components and Metabolic Products on Activated Carbon in HVAC Systems DOI Open Access
Ge Zhang,

Zhong-Huang Peng,

Shuai Liu

и другие.

Processes, Год журнала: 2024, Номер 12(12), С. 2763 - 2763

Опубликована: Дек. 5, 2024

Activated carbon is widely known for its porous structure and diverse surface functional groups, making it an effective adsorbent removing various organic inorganic pollutants from air water. However, as a filtration material in conditioning systems, activated can also provide favorable conditions microbial growth, potentially leading to the proliferation of microorganisms on surface. These microorganisms, along with their metabolic products, be released into indoor environments, posing potential health risks. This study employs molecular simulation investigate adsorption release mechanisms volatile compound (VOC) products carbon. Peptidoglycan (PDG) (as representative bacterial cell wall component) p-xylene product) were used model compounds. The behavior these compounds was simulated under different environmental conditions, including varying temperatures. found that has higher affinity peptidoglycan than p-xylene; at 303.15 K, diffusion coefficients are 0.842 × 10−9 m2/s 0.587 10−8 m2/s, respectively. Temperature plays important role affecting capacity; when temperature rises by 10 increase 32.8% 34.3%, insights contribute development efficient health-conscious purification materials, offering theoretical practical guidance optimizing use HVAC systems.

Язык: Английский

Mitigating Membrane Fouling in Abattoir Wastewater Treatment: Integration of Pretreatment Step with Zwitterion Modified Graphene Oxide–Polyethersulfone Composite Membranes DOI Creative Commons

Meladi Lerato Motloutsi,

Funeka Matebese, Machawe M. Motsa

и другие.

Membranes, Год журнала: 2024, Номер 14(11), С. 227 - 227

Опубликована: Окт. 30, 2024

Composite polyethersulfone (PES) membranes containing N-aminoethyl piperazine propane sulfonate (AEPPS)-modified graphene oxide (GO) were integrated with either of the two pretreatment processes (activated carbon (AC) adsorption or polyelectrolyte coagulation) to assess their effectiveness in mitigating membrane fouling during treatment abattoir wastewater. The AEPPS@GO-modified membranes, as compared pristine PES showed improved hydrophilicity, water uptake increasing from 72 118%, surface porosity 2.34 27%, and pure flux (PWF) 235 673 L.m

Язык: Английский

Процитировано

0
Molecular Simulation Study on the Adsorption Mechanisms of Microbial Components and Metabolic Products on Activated Carbon in HVAC Systems DOI Open Access
Ge Zhang,

Zhong-Huang Peng,

Shuai Liu

и другие.

Processes, Год журнала: 2024, Номер 12(12), С. 2763 - 2763

Опубликована: Дек. 5, 2024

Activated carbon is widely known for its porous structure and diverse surface functional groups, making it an effective adsorbent removing various organic inorganic pollutants from air water. However, as a filtration material in conditioning systems, activated can also provide favorable conditions microbial growth, potentially leading to the proliferation of microorganisms on surface. These microorganisms, along with their metabolic products, be released into indoor environments, posing potential health risks. This study employs molecular simulation investigate adsorption release mechanisms volatile compound (VOC) products carbon. Peptidoglycan (PDG) (as representative bacterial cell wall component) p-xylene product) were used model compounds. The behavior these compounds was simulated under different environmental conditions, including varying temperatures. found that has higher affinity peptidoglycan than p-xylene; at 303.15 K, diffusion coefficients are 0.842 × 10−9 m2/s 0.587 10−8 m2/s, respectively. Temperature plays important role affecting capacity; when temperature rises by 10 increase 32.8% 34.3%, insights contribute development efficient health-conscious purification materials, offering theoretical practical guidance optimizing use HVAC systems.

Язык: Английский

Процитировано

0