Search Results - "Suopajärvi, Terhi"

Hydrophobic, Superabsorbing Aerogels from Choline Chloride-Based Deep Eutectic Solvent Pretreated and Silylated Cellulose Nanofibrils for Selective Oil Removal by Laitinen, Ossi, Suopajärvi, Terhi, Österberg, Monika, Liimatainen, Henrikki

“…Superabsorbents are highly appealing materials for use in cleaning up oil and chemical spills. However, the development of a low-cost, highly efficient…”
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Acidic and alkaline deep eutectic solvents in delignification and nanofibrillation of corn stalk, wheat straw, and rapeseed stem residues by Suopajärvi, Terhi, Ricci, Pierfrancesco, Karvonen, Ville, Ottolina, Gianluca, Liimatainen, Henrikki

“…[Display omitted] •3 different cereal residues were utilized in production of nanocellulose.•5 acidic and one alkaline DES treatment was used in…”
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Coagulation–flocculation treatment of municipal wastewater based on anionized nanocelluloses by Suopajärvi, Terhi, Liimatainen, Henrikki, Hormi, Osmo, Niinimäki, Jouko

“…[Display omitted] •We produced nanofibrillar dicarboxylic acid cellulose samples with variable charge.•Anionic nanofibrils were tested in the flocculation of…”
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Comparison of Lignin Fractions Isolated from Wheat Straw Using Alkaline and Acidic Deep Eutectic Solvents by Yue, Xin, Suopajärvi, Terhi, Mankinen, Otto, Mikola, Marja, Mikkelson, Atte, Ahola, Juha, Hiltunen, Sami, Komulainen, Sanna, Kantola, Anu M, Telkki, Ville-Veikko, Liimatainen, Henrikki

“…This study aims to examine the characteristics of two solid lignin fractions isolated from wheat straw using alkaline and acidic deep eutectic solvents (DESs)…”
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Adsorption of Ni(II), Cu(II) and Cd(II) from aqueous solutions by amino modified nanostructured microfibrillated cellulose by Hokkanen, Sanna, Repo, Eveliina, Suopajärvi, Terhi, Liimatainen, Henrikki, Niinimaa, Jouko, Sillanpää, Mika

“…The aim of the present study was to investigate the adsorption properties of aminopropyltriethoxysilane (APS) modified microfibrillated cellulose (MFC) in…”
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Nanofibrillation of deep eutectic solvent-treated paper and board cellulose pulps by Suopajärvi, Terhi, Sirviö, Juho Antti, Liimatainen, Henrikki

“…•Deep Eutectic solvent was used as a pretreatment in nanofibrillation of cellulose.•Secondary fiber sources was used as a cellulose raw material.•Choline…”
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Enhancing packaging board properties using micro- and nanofibers prepared from recycled board by Laitinen, Ossi, Suopajärvi, Terhi, Liimatainen, Henrikki

“…In this study, cellulose microfibers and cellulose nanofibers (CNF) prepared from recycled boxboard pulp using a mechanical fine friction grinder were used as…”
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Pickering Emulsions and Hydrophobized Films of Amphiphilic Cellulose Nanofibers Synthesized in Deep Eutectic Solvent by Qasim, Umair, Suopajärvi, Terhi, Sirviö, Juho Antti, Backman, Oskar, Xu, Chunlin, Liimatainen, Henrikki

“…Herein, a dual-functioning deep eutectic solvent system based on triethylmethylammonium chloride and imidazole was harnessed as a swelling agent and a reaction…”
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One-Step Twin-Screw Extrusion Process to Fibrillate Deep Eutectic Solvent-Treated Wood to Be Used in Wood Fiber-Polypropylene Composites by Taheri, Hesam, Hietala, Maiju, Suopajärvi, Terhi, Liimatainen, Henrikki, Oksman, Kristiina

“…Bio-based wood materials are preferable for composites because of their sustainability, but adequately dispersing wood fibers in polymers can be difficult and…”
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Acid leaching of vivianite separated from sewage sludge for recovering phosphorus and iron by Zhao, Yudong, Korving, Leon, Grönfors, Outi, Prot, Thomas, Suopajärvi, Terhi, Luukkonen, Tero, Liimatainen, Henrikki

“…•Vivianite is completely dissolved in HCl and H2SO4 at a H+/P molar ratio of 2.5.•Oxalate precipitates Fe(II), Ca, and Mg ions to minimize impurities in…”
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High-purity lignin fractions and nanospheres rich in phenolic hydroxyl and carboxyl groups isolated with alkaline deep eutectic solvent from wheat straw by Yue, Xin, Suopajärvi, Terhi, Sun, Shirong, Mankinen, Otto, Mikkelson, Atte, Huttunen, Harri, Komulainen, Sanna, Romakkaniemi, Idamaria, Ahola, Juha, Telkki, Ville-Veikko, Liimatainen, Henrikki

“…[Display omitted] •Alkaline DES consisting of K2CO3 and glycerol was developed for lignin extraction.•Sequential fractionation facilitates the production of…”
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Determining the complex refractive index of cellulose nanocrystals by combination of Beer-Lambert and immersion matching methods by Niskanen, Ilpo, Suopajärvi, Terhi, Liimatainen, Henrikki, Fabritius, Tapio, Heikkilä, Rauno, Thungström, Göran

“…•Determination of complex refractive index of CNCs as a function of wavelength.•The data analysis is based on Beer-Lambert and immersion liquid method…”
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Fabrication of cationic cellulosic nanofibrils through aqueous quaternization pretreatment and their use in colloid aggregation by Liimatainen, Henrikki, Suopajärvi, Terhi, Sirviö, Juho, Hormi, Osmo, Niinimäki, Jouko

“…•Cationic cellulose nanofibrils were fabricated using periodate and Girard’ reagent T treatment.•Nanofibrils exhibiting widths of 10–50nm and cationic charge…”
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Surface Modification of Cured Inorganic Foams with Cationic Cellulose Nanocrystals and Their Use as Reactive Filter Media for Anionic Dye Removal by Selkälä, Tuula, Suopajärvi, Terhi, Sirviö, Juho Antti, Luukkonen, Tero, Kinnunen, Paivo, de Carvalho, Ana Luiza Coelho Braga, Liimatainen, Henrikki

“…In this work, a surface cationized inorganic-organic hybrid foam was produced from porous geopolymer (GP) and cellulose nanocrystals (CNCs). GPs were…”
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Determination of nanoparticle size using Rayleigh approximation and Mie theory by Niskanen, Ilpo, Forsberg, Viviane, Zakrisson, Daniel, Reza, Salim, Hummelgård, Magnus, Andres, Britta, Fedorov, Igor, Suopajärvi, Terhi, Liimatainen, Henrikki, Thungström, Göran

“…[Display omitted] •Multi-spectrophotometer was constructed to measure simultaneous transmission and scattering.•The method is fast, relatively easy and simple…”
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Conversion of highly polymerized lignin into monophenolic products via pyrolysis: A comparative study of acidic and alkaline depolymerization pretreatments using deep eutectic solvents by Yue, Xin, Lin, Jinxin, Suopajärvi, Terhi, Mankinen, Otto, Mikkelson, Atte, Liu, Rui, Huttunen, Harri, Chen, Liheng, Xu, Chunlin, Telkki, Ville-Veikko, Sun, Shirong, Liimatainen, Henrikki

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Mechano-chemical, high-consistency activation of kraft pulp in deep eutectic solvent of choline chloride and urea by Vehviläinen, Marianna, Suopajärvi, Terhi, Sirviö, Juho Antti, Spönla, Elisa, Ahokas, Pauliina, Rahikainen, Jenni, Minkkinen, Hannu, Liimatainen, Henrikki

“…Deep eutectic solvents (DESs) offer an appealing green medium for the activation of cellulose fibres to promote their swelling, reactivity, hydrolysis,…”
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A multifunctional biogenic films and coatings from synergistic aqueous dispersion of wood-derived suberin and cellulose nanofibers by Qasim, Umair, Sirviö, Juho Antti, Suopajärvi, Terhi, Hu, Liqiu, Pratiwi, Feby W., Lin, Marie Karen Tracy Hong, Anghelescu-Hakala, Adina, Ronkainen, Veli-Pekka, Xu, Chunlin, Liimatainen, Henrikki

“…Here, biogenic and multifunctional active food coatings and packaging with UV shielding and antimicrobial properties were structured from the aqueous…”
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Lead adsorption with sulfonated wheat pulp nanocelluloses by Suopajärvi, Terhi, Liimatainen, Henrikki, Karjalainen, Mikko, Upola, Heikki, Niinimäki, Jouko

“…Low-cost sorbents derived from abundant natural resources, industrial by-products, or waste materials are considered amongst the most viable novel materials…”
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Rapid uptake of pharmaceutical salbutamol from aqueous solutions with anionic cellulose nanofibrils: The importance of pH and colloidal stability in the interaction with ionizable pollutants by Selkälä, Tuula, Suopajärvi, Terhi, Sirviö, Juho Antti, Luukkonen, Tero, Lorite, Gabriela S., Kalliola, Simo, Sillanpää, Mika, Liimatainen, Henrikki

“…[Display omitted] •Succinylated cellulose nanofibrils (CNFs) adsorb pharmaceutical agent salbutamol.•Uptake is rapid and dependent on the anionic charge of…”
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