Kinetics of Propane Hydrate Formation in Agitated Reactor: A Mass Transfer Approach by P. Goodarzi, V. Mohebbi

“…Understanding the kinetics of gas hydrate formation is essential to model and predict the hydrate formation (or dissociation) process. In the present paper, we investigated the formation of pure propane gas hydrate as a former gas. …”
Get full text

Parameter Optimization of MIMO Fuzzy Optimal Model Predictive Control By APSO by Adel Taieb, Moêz Soltani, Abdelkader Chaari

“…The utility of the proposed controller is demonstrated by applying it to two nonlinear processes, Continuous Stirred Tank Reactor (CSTR) and Tank system, where the proposed approach provides better performances compared with other methods.…”
Get full text

Effect of the time factor on the hydraulic activity of mechanically activated saponin-containing powder by Marina V. Morozova, Maria A. Frolova

“…It is proposed to use saponite-containing waste (SCW) of the mining and processing plant JSC Severalmaz as a mineral additive in concrete. …”
Get full text

Experimental Investigation of Al₂O₃ Nano-Powder-Mixed Dielectric in EDM-Assisted Micro-Milling by Sharad Yadav, Deepak Agarwal, Anuj Kumar Sharma, Rabesh Kumar Singh, Saurabh Chauhan, Shalini Mohanty

“…This paper investigates the use of Al₂O₃ nano-powder-stirred micro-EDM process for generating micro-channels. …”
Get full text

Mn(II) removal from aqueous solutions by Co/Mo layered double hydroxide: Kinetics and thermodynamics by A.A. Bakr, M.S. Mostafa, E.A. Sultan

“…All adsorption processes were rapidly carried out at different temperatures (298, 308 and 318 K) and constant stirring rate 160 rpm. …”
Get full text

Investigating the influence of a thin copper film coated on nickel plates through physical vapor deposition for electrocatalytic nitrate reduction by Sumit Maya Moreshwar Meshram, Prasad Gonugunta, Peyman Taheri, Ludovic Jourdin, Saket Pande

“…A promising method for its removal is the process of electrocatalytic reduction of nitrate. …”
Get full text

Influence of NaCl on Phase Development and Corrosion Resistance of Portland Cement by Byung-Hyun Shin, Miyoung You, Jinyong Park, Junghyun Cho, Seongjun Kim, Jung-Woo Ok, Jonggi Hong, Taekyu Lee, Jong-Seong Bae, Pungkeun Song, Jang-Hee Yoon

“…Cement specimens were prepared by mixing cement, water, and NaCl, followed by stirring at 60 rpm and curing at room temperature for seven days. …”
Get full text

Synthesis and Characterization of Graphene Thin Films by Chemical Reduction of Exfoliated and Intercalated Graphite Oxide by F. T. Thema, M. J. Moloto, E. D. Dikio, N. N. Nyangiwe, L. Kotsedi, M. Maaza, M. Khenfouch

“…After the exfoliation and intercalation of graphene into functionalized graphene oxide that formed stable colloidal dispersion in polar aprotic solvent, the reduction process was undertaken by continuous stirring with hydrazine hydrate. …”
Get full text

Absorption and Desorption Remediation of Environmental Pollution to Remove Heavy Metal Ions From Waste Water Using Batch experimental System by Ban Abdulelah Mohammed

“…Micrometer thick films of graphene oxide paper are also named as graphite oxide  membranes, secondly we silanized it with 3-(trimethoxysilyl) propylamine to get (GO-Si) product, thirdly react this product with functional gropus (Aldehyde) (3,5,Di-tert-butyle-2-hydroxy-benzenaldehyde) to get (Go-Si-Ald) that form graphene Schiff base material, that we used it to several process under different laboratories factors such as (pH, different concentrations of metals / Zinc and Cobalt, different stirring time, with different temperatures), The adsorption of metals (Zn and Co) were investigated successfully, this is one of development method for treatment of waste and drinking water for reuse. …”
Get full text

Experimental evaluation of lead adsorption from aqueous solution using carbon nanostructures derived from municipal sewage sludge by Hamid Rajabi, Zahra Mohammadi, Fatemeh Erami, Seid Mahdi Jafari

“…Surface characterization revealed the presence of functional groups such as epoxy, hydroxyl, and carbon–carbon double bonds. …”
Get full text

Metavac-RSV mucosal bivalent vaccine candidate protects cotton rats against pneumoviruses and is produced using serum-free cell culture in bioreactor by Caroline Chupin, Pauline Brun, Marjorie Ray, Chloé Mialon, Maëlle Reitano, Aurélien Traversier, Emilie Laurent, Abdelghafar Goumaidi, Julien Fouret, Stéphane Paul, Marina Boukhvalova, Kevin Yim, Jorge Blanco, Marie-Eve Hamelin, Guy Boivin, Manuel Rosa-Calatrava, Julia Dubois

“…Finally, we identified process parameters to scale-up the production process of Metavac®-RSV using Vero cells cultivated on microcarriers in a 2 L single-use stirred-tank bioreactor, with a scalable upstream production process amenable to industrial manufacturing.…”
Get full text

Method for automated high performance closed batch cultivation of gas-utilizing methanogens by Walter Hofmann, Marco Orthofer, Nicolás Salas Wallach, Aquilla Ruddyard, Markus Ungerank, Christian Paulik, Simon K.-M. R. Rittmann

“…Obtained qCH4 of M. marburgensis is more than 10-fold higher compared to conventional closed batch cultivation set-ups and as high as the highest reported qCH4 value of M. marburgensis from fed-batch gas fermentation in stirred tank bioreactors. Furthermore, the GPC demonstrated reliable functionality with Methanococcus maripaludis, operating safely and autonomous during long term cultivation. …”
Get full text

Modification of Sugarcane Bagasse Fiber into Microfibrils as Composite Materials Reinforcement by Umi Lailatul Jamilah, Elok Hidayah, Sujito

“…During the alkalization process, bagasse fibers were stirred with a magnetic stirrer at 200 rpm at 70° C for 5 hours to obtain micro-sized bagasse fibers (microfibrils). …”
Get full text

Microcarrier-seeded muscle cells exhibit delayed differentiation in simulated microgravity compared to a terrestrial bioreactor by Hamed Alizadeh Sardroud, Mahdieh Shokhrollahi Barough, Esfandyar Askari, Mohsen Akbari

“…These results suggest that while µG initiates differentiation, the process is primarily limited to early stages. Despite the slower myogenesis, it remains feasible, and future research should focus on culture conditions to enhance muscle cell functionality in µG.…”
Get full text

Influence of activators on spent coffee grounds as biosorbent for chromium by Yustira Ayuni, Arif Hafifuddin, Zahedi Zahedi, Razi Fachrur

“…Cr(VI) solution was started at a concentration of 100 mg/L, and the adsorption process was stirred at 300 rpm. In the adsorption process, a ratio of 1:6 was best, along with an HNO3 solution (pH 4) as the best activator, a contact time of 120 minutes, and an initial Cr(VI) concentration of 20 mg/L. …”
Get full text

Perengkahan PFAD (Palm Fatty Acid Distillate) Dengan Katalis Zeolit Sintesis Untuk Menghasilkan Biofuel by Yelmida Yelmida, Ida Zahrina, Fajril Akbar

“…The PFAD cracking was taken place in a batch stirred tank reactor at the temperature of 240, 260, 280, 300oC for 60, 80, 100, 120 minutes. …”
Get full text

Obtention of stable neuroprotective extracts from orange by-products by gas-expanded liquids extraction (GXLE) and liposomal microencapsulation by Victor M. Amador-Luna, Lidia Montero, Pablo Mendoza-Orbaneja, Elena Ibáñez, Miguel Herrero

“…Both process conditions were optimized by means of experimental designs. …”
Get full text

Modified Lignin–PVOH and Epoxy Adhesives for Engineered Wood by Yanran Sun, Xueping Qiu, Xingxian Lan

“…Structural characterization using FTIR and 1H-NMR confirmed the successful introduction of functional groups. To reduce energy consumption, a low-temperature and low-pressure curing process based on microwave-assisted heating and mechanical stirring was implemented, reducing energy use by 40% compared to conventional heating methods. …”
Get full text

An enhanced efficacy of antibacterial wound dressings impregnated with bacterial cellulose-based microencapsulated lime (Citrus aurantiifolia) essential oil by Euis Julaeha, Irene Febbe, Myrtha Karina, Tatang Wahyudi, Sarifah Nurjanah, Pramesthi Reitza Navisya Vasall, Nandang Permadi, Jamaludin Al-Anshori

“…This study developed LPO microcapsules via complex coacervation, employing gum arabic and gelatin as encapsulating agents for wound dressing applications. Process optimization identified optimal conditions at pH 4.25, 15 min stirring time, and 50 °C temperature. …”
Get full text

Adsorption of hexavalent chromium by activated carbon obtained from a waste lignocellulosic material ( cores): Kinetic, equilibrium, and thermodynamic study by Radia Labied, Oumessaad Benturki, Adh’ Ya Eddine Hamitouche, André Donnot

“…Fourier transform infrared analysis of the adsorbent demonstrated the presence of key functional groups associated with the adsorption phenomenon such as those of hydroxyl and aromatic groups. …”
Get full text