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1
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Bulletin of the Polish Academy of Sciences. Chemistry
EN A new cell for direct in situ observations of colloid particle adsorption was developed. The controlled convective transport conditions were created by exploiting the slot impinging jet (SIJ) principle. Numerical solutions of the governing Navier-Stokes equation showed that the flow pattern in the c[...]
2
100%
Inżynieria Chemiczna i Procesowa
1999 T. 20, z. 4 613-627
PL Dokonano przeglądu podstawowych korelacji opisujących równowagi adsorpcyjne gazów powyżej temperatury krytycznej. Opierając się na danych równowagowych dla metanu i azotu na węglowym sicie molekularnym 5A (Takeda) stwierdzono, że czteroparametrowa krzywa charakterystyczna Amankwaha i Schwarza lepiej[...]
EN The evaluation of some of the principal correlations that describe adsorption equilibria for gases at supercritical temperatures is carried out. Based on the experimental data for the adsorption of methane and nitrogen on a carbon molecular sieve 5A (Takeda) it is found that the four-parameter char[...]
3
80%
International Letters of Chemistry, Physics and Astronomy
2013 Vol. 2 72-79
EN The Palm Nut Shell Carbon (PNSC) and Treated Flyash Residue (TFR) has prepared by sulphuric acid process and characterized. The characterization studies includes determination of moisture, bulk density, pH, carbon soluble in water and acid, decolourising power, iron content, phenol number and surfac[...]
4
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Challenges of Modern Technology
EN The sorption equilibrium and kinetics of Sunset Yellow dye in aqueous solutions on the weak base anion exchange resin — Amberlite FPA51 were examined in this paper. The influences of phase contact time, solution pH, initial dye concentration and temperature were studied by the batch method. The amou[...]
5
80%
Inżynieria Ekologiczna
2011 Nr 24 164-173
PL W zależności od układu, w jakim realizowany jest proces adsorpcji, do jego matematycznego opisu można zastosować równania kinetyki, statyki oraz dynamiki adsorpcji. Najbardziej ogólnym modelem do opisu przebiegu procesu adsorpcji w układzie porcjowym jest model oparty o równanie pola stężeń adsorbat[...]
EN Depending on the system, in which the adsorption process is implemented, equations of kinetics, statics and dynamics of adsorption can be applied for its mathematical description. The most general model used for description of adsorption process in the batch system is a model based on field equation[...]
6
80%
Ars Separatoria Acta
2002 No. 1 79-86
EN A novel ?-type manganese dioxide (?-MnO2) adsorbent has been developed for selectively recovering Li+ from seawater. This adsorbent can be prepared from spinel-type lithium di manganese tetra-oxide (LiMn2O4) using ion exchange of Li+ by hydrogen ion. In batch adsorption, ?-MnO2 adsorbent can effecti[...]
7
80%
Ars Separatoria Acta
2006 No. 4 43-49
EN Laboratory results of an initial study on CO2 removal from gas mixture by means of the air-sparged hydrocyclone (ASH) technology are reported. The CO2 absorption rate into sodium hydroxide aqueous solution was studied on a laboratory and pilot scale. The air flow rate was 900 dm³/min and the alkalin[...]
8
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Ars Separatoria Acta
2003 No. 2 97-106
EN A novel spinel-type manganese dioxide adsorbent has been developed for the selective recovery of Li+ from seawater. The adsorbent can be prepared from a lithium-rich component of spinel-type lithium dimanganese tetraoxide Li1.5Mn2O4, followed by ion exchange of Li+ by H+ with diluted hydrochloric ac[...]
9
80%
Journal of KONES
EN Present paper shows the some main phenomena which have important influence on the micro-bearing operating parameters. To above mentioned phenomena belong: adhesion forces, adsorption forces, capillary forces, elastic and hyperelastic deformations of cooperating micro-bearing surfaces, Van-der Waals [...]
10
80%
Journal of KONES
EN Micro-bearings have many applications in computer devices, such as CPU fans or hard disc drives. So far, rolling bearings and slide bearings have been used,for example micro-bearing with smooth Journal and sleeve surface, which is known as FDB - Fluid Dynamic Bearing. Actually, latter versions of mi[...]
11
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Aparatura Badawcza i Dydaktyczna
2006 T. 11, nr 4 264-272
PL Opisano samodzielnie skonstruowany adsorber do badania adsorpcji metodą wagową. Wyznaczano stałe równowagi oraz entalpię adsorpcji wody na sulfonowanym kopolimerze styrenowo-diwinylobenzenowym Amberlyst 15.
EN The individually constructed adsorber was described for measurement of adsorption by dynamic weight method. The equilibrium constant and enthalpy of water adsorption on sulfonated styrene - divinylobenzene copolymer Amberlyst 15 were determined.
12
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Physicochemical Problems of Mineral Processing
EN Activated carbon (AC) was obtained from lignite of the local resource, Gölbaşi - Adiyaman (Turkey) by chemical activation. The Gölbaşi lignite was chosen as the precursor for its availability and low cost. The BET surface area of the activated carbon was found 921 m2/g. The AC was used as an adsorbe[...]
13
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Chemical and Process Engineering
EN The removal of lead from aqueous solutions on fossilized wood, Oltu stone, was explored and interpreted by both adsorption and kinetic mechanisms. Batch experiments were conducted to investigate the adsorption effect under various pH (3, 4, 6, and 7), temperatures (290, 298, 303, and 313 K) and the [...]
14
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Zeszyty Naukowe Politechniki Świętokrzyskiej. Nauki Techniczne
2008 Z. 7 127-132
PL W pracy przedstawiono wyniki pomiarów adsorpcji materiałów ceramicznych o jonowym i kowalencyjnym wiązaniu chemicznym. Określono oddziaływania adsorpcyjne alkiloditiofosforanu cynku - ZDDP na reprezentatywnych powierzchniach ceramicznych - Al2O3 i SiC. Następnym etapem była ocena właściwości tribolo[...]
EN The article discusses results of investigations of adsorption of ceramics materials with ion and atomic assimilates. The research on adsorption antiwear additives - ZDDP on ceramic surfaces - Al2O3 and SiC. The next stage of the investigations qualify of the tribological properties were obtained on [...]
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Chemical and Process Engineering
PL Ocenę węglowych sit molekularnych oparto na adsorpcji azotu w temperaturze 77 K oraz ditlenku węgla w 273 K. Izotermy adsorpcji interpretowano, korzystając z teorii objętościowego zapełniania porów Dubinina i Raduszkiewicza. Analizę struktury mikroporów węglowego sita molekularnego o otwartej porowa[...]
EN Evaluation of carbon molecular sieves (CMSs) has been based on adsorption of nitrogen at 77 K and carbon dioxide at 273 K. Dubinin and Radushkevich theory of volume filling of micropores was used to interpret adsorption isotherms. The structure of micropores was determined based on nitrogen isotherm[...]
16
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Polish Journal of Chemistry
EN The adsorption of polar trichloroethene and non-polar tetrachloroethene on natural zeolites and MCM-41 was investigated at 298Kusing the static method and at 355–413K using the dynamic method. The textural properties of adsorbents were determined by nitrogen adsorption at 77Kand the energetic proper[...]
17
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Polish Journal of Chemistry
EN Effect of the silica filler with varied concentration of surface trimethylsilyl and silicon hydride groups on porosity and solvent resistance of divinylbenzene-styrene (DVB-St) and divinylbenzene-di(methacryloyloxymethyl)naphthalene (DVB-DMN) copolymers was studied by adsorption of p-chloroaniline. [...]
18
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Polish Journal of Chemistry
EN Flotation tailings, obtained from the copper recovery process, were converted into aggregates by means of the spherical oil agglomeration process, using sodium oleate or dodecylammonium hydrochloride as particles’ surface modifiers, and kerosene as bridging oil. The agglomeration process was charact[...]
19
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Polish Journal of Chemistry
EN The influence of modification of commercially available carbon on Pd(II) adsorption has been studied.Modified activation carbons are characterized by different palladium sorption capacities. The optimal pH-value for Pd(II) adsorption is 1.5 units. The influence of nitrate on Pd(II) adsorption was al[...]
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Polish Journal of Chemistry
EN This paper reports the study of the relation between sulphur dioxide adsorption and sulphur dioxide removal degree from exhaust gases on DESONOX type catalysts based on the synthetic zeolite Sipernat impregnated with vanadium ions by the double impregnation method, with the use of the EDTA solution [...]
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