OOIR: Observatory of International Research

Papers

(The H4-Index of Separation and Purification Technology is 98. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-09-01 to 2025-09-01.)

Article	Citations
Synergistically boosted non-radical catalytic oxidation by encapsulating Fe3O4 nanocluster into hollow multi-porous carbon octahedra with emphasise on interfacial engineering	403
Rapid separation of MOFs particles with the aid of PVDF hollow fiber membrane	311
Theoretical and experimental investigations of time-dependent mass transfer mechanism of fine particulate matter under the sink effect	277
Control of fully heat-integrated pressure-swing distillation with strict pressure manipulation: A case study of separating a maximum-boiling azeotrope with small pressure-induced shift	257
Comparing methods for protozoa removal in activated sludge	255
Sugaring‐out assisted organic-aqueous biphasic systems: Characteristics, mechanisms and applications	246
Standing wave design and optimization of a tandem size-exclusion simulated moving bed process for high-throughput recovery of neoagarohexaose from neoagarooligosaccharides	244
AsIII-enhanced oxidation by coexisting MnIII-phenolic complexes during arsenic contaminated groundwater treatment by MnO2	212
Development of a slow-release CO2 absorbent material for alkaline activation of persulfate oxidation of TCE and CO2 capture	208
Design and synthesis of carbazole-based conjugated microporous polymers for CO2 capture	206
Productivity for free: Residence time gradients during loading increase dynamic binding capacity and productivity	204
Design of in-situ nanoflower-shaped MIL@PANI@LDH coupling photocatalysis and persulfate activation for deep degradation of advanced glycation end products against complex sample matrix	201
The efficient degradation of carbamazepine by Cu-Fe bimetallic composite carbon derived from the waste cation exchange resins: Mechanism, ecotoxicity, and continuous flow catalysis	186
Imaging of particle deposition and resulting flow field during flocculation filtration within a granulated activated carbon filter	171
Zirconium titanium phosphonates for enhanced lanthanide recovery from acidic wastes	167
Accurate evaluation on contribution of typical active species for degrading phenolic pollutants in peroxymonosulfate activation system	167
Editorial Board	165
Editorial Board	163
A method for measuring the critical pore diameter of a homogeneous microchannel separator based on image analysis and a simulation comparison of CFD-DEM	156
Carbon removal flotation performance and economic analysis of different coal fly ash using waste fried oil as a collector	156
Chemical-free electrochemical system with membrane cathode assembly enables efficient ammonia recovery from urine	153
Low voltage electric field mediating gravity-driven membrane bioreactor in treating saline wastewater: removal improvement and membrane fouling control	152
Polyaniline-based magnetically-driven microbots for improving enantioselective separation toward amino acids	152
Advancing CO2 absorption and desorption by mass transfer promoters: Density difference adjustment based on spontaneous interfacial turbulence	152
Theoretical investigation on two-dimensional conjugated aromatic polymer membranes for high-efficiency hydrogen separation: The effects of pore size and interaction	147

Efficient simultaneous removal of nickel, phosphorus and COD from electroless nickel plating wastewater by three dimensional electrodialytic system	146
Combination of genetic algorithm and CFD modelling to develop a new model for reliable prediction of normal shock wave in supersonic flows contributing to carbon capture	146
Open-air plasma deposition of polymer-supported silica-based membranes for gas separation	145
Tailored pH-triggered surfactant for stepwise separation of a three-component mineral system	143
An approach to prepare novel TiSi2 alloy for clean utilization of spent V2O5-WO3/TiO2 catalysts and diamond-wire silicon slitting powder	141
Flexible solar absorber using hydrophile/hydrophobe amphipathic Janus nanofiber as building unit for efficient vapor generation	138
Enhanced bioremediation of benzo [a]pyrene-polluted soil using high-efficiency soil microbial fuel cells with artificial solute transport	138
The origin of selective adsorption desulfurization by Fe single atom adsorbents on hexagonal boron nitride surface	134
Polyamide membranes with internal nanoscale homogeneity for enhanced ion separation via a constant temperature UV irradiation post-treatment	133
Copolyimide membranes with improved H2S/CH4 selectivity for high-pressure sour mixed-gas separation	133
Study on biogas upgrading characteristics and reaction mechanism of low energy consumption 2-Amino-2-methylpropanol (AMP)/piperazine (PZ)/H2O mixed amines	132
AlCl3-assisted dissolution of NdCl3 in organic solvents for Nd refining	132
1,3-Dioxolane production via reactive distillation combined with vapor permeation: Experiments and modelling	130
Editorial Board	130
Fabrication and separation performances of composite membranes containing copper ferrite photocatalysts on graphene oxide nanosheets	127
Editorial Board	126
Novel application of (NH4)2Mo3S13 for vanadium adsorption: Experiments, characterization, kinetic and equilibrium modeling	125
Metal-organic framework decorated polyimide nanofiber aerogels for efficient high-temperature particulate matter removal	125
Deep separation of critical metals of Mo and Re from waste solution by stepwise precipitation flotation: Selective chelation underlying separation mechanism	124
Enhanced performance of cyclone separator through coupling of centrifugal force, electrostatic force and particle pre-charge	123
Stabilizing CuI in MIL-101(Cr) by introducing long-chain alkane for adsorptive desulfurization	123
An efficient and robust flow-through electrochemical Ti4O7 membrane system for simultaneous Cr(VI) reduction and Cr immobilization with membrane cleaning by a periodic polarity reversal strategy	122
Tailoring three-dimensional conjugated microporous polymers for photo-enhanced gold extraction	121
Artificial neural network and differential evolution optimization of a circulated permeate gap membrane distillation unit	120
Functionalized cross-linking mechanism of biochar “adsorption-reaction microunit” on the promotion of new ammonia-based CO2 capture	118
Recyclable and selective PVDF-based multifunctional molecular imprinted membranes for the removal of Bisphenol A	117
Aerobic and anaerobic regulation induced different degradation behaviors of parachloronitrobenzene in soil by microwave activated persulfate oxidation	117
Highly efficient extraction of palladium(II) in nitric acid solution by a phenanthroline-derived diamide ligand	117
Tailoring bimodal protein fabrics for enhanced air filtration performance	116
Nitrogen-doped iron carbide composites for activating peroxymonosulfate to degrade sulfonamides	116
Multiple production of highly active particles for oxytetracycline degradation in a large volume strong ionization dielectric barrier discharge system: Performance and degradation pathways	116
Energy-saving extractive distillation system using o-xylene as an entrainer for the high-purity separation of dimethyl carbonate/methanol azeotrope	116
Impact of large-scale effects on mass transfer and concentration polarization in Reverse Osmosis membrane systems	116
Design of a bifunctional prepolymer for simultaneously facile preparation and highly efficient electrodialysis of anion exchange membranes	115
Single-pot extractive double divided wall column for Acetonitrile, Ethanol, and water Separation: Design and control	114
Reactive membranes for groundwater remediation of chlorinated aliphatic hydrocarbons: Competitive dechlorination and cost aspects	114
Fast solution of 3D transport processes using a physics-informed neural network with embedded transfer learning	113
Investigation on decontamination kinetics of metallic radionuclides in irradiated graphite by chlorination roasting	112
Performance and mechanism of As(III/Ⅴ) removal from aqueous solution by novel positively charged animal-derived biochar	112
Fate of calcium, magnesium, and phosphate during Fe electrocoagulation: An investigation for mitigating cathodic scaling in phosphate removal process	112
Ultra-thin zeolite CHA and FAU membranes for desalination by pervaporation	111
Super hydrophilic biochar-based hydrogel with tunable aqueous state for efficient solar-powered desalination	111
Magnetically recoverable Fe3O4/MoS2/BiOI microspheres for visible light water disinfection: Molecular mechanism and transcriptomic insights	111
A monolithic azacalix[4]pyridine column for high-resolution and high-efficiency pressurized capillary electrochromatographic separation	110
Nanofiber membranes fabricated by coaxial electrospinning with porous channel structure for high-efficiency oil-water separation	110
Cost-efficient collagen fibrous aerogel cross-linked by Fe (III) /silver nanoparticle complexes for simultaneously degrading antibiotics, eliminating antibiotic-resistant bacteria, and adsorbing heavy	109
Electronic structure engineering of bimetallic Pd-Au alloy nanocatalysts for improving electrocatalytic hydrodechlorination performance	109
Micro/nano-structured ceramic fiber materials with water and pollutant tolerance, photocatalytic self-cleaning functions for long-term oil–water separation	108
Converting nonporous cationic polymeric networks to cationic porous aromatic frameworks for enhanced 99TcO4−/ReO4− elimination	108
Fabrication of robust zirconium metal-organic frameworks for efficient C3H6/C2H4 separation	108

Constructing Co3O4 nanosheet arrays anode as durable and efficient electrocatalyst for simultaneous chlorine evolution and carbamazepine degradation in the marine environment	107
Dendrite-free Li metal anodes with confined volume change towards long lifetime	107
Adsorption-induced chemical reaction for in situ immobilization of radioactive anions on pristine β-Bi2O3 microflowers	106
Ferroelectric ultrafiltration membrane with improved antifouling performance	105
Cu-Fe oxide supported on Na2CO3-modified activated carbon boost H2S removal at low temperature	105
Baculovirus purification with functionalized non-woven fibers: Impact of residence time, binding strength, and ligand chemistry	104
Electrocatalytic reductive removal of arsenite from nonferrous smelting waste acid on copper electrode	104
Featuring multiple graphitic carbon active sites derived from azo polymers with lateral groups for the efficient capture of bromine and iodine: Highlighting the influence of lattice structures and def	103
Bicontinuous colloidal gel coating with hierarchical structure for stable and efficient oil–water separation	102
H-TiO2-NTs/CoMn-LDO/MoSe2-Ce electrodes for selective extraction of lead ions via capacitive deionization	102
Oxidation dissolution mechanism of copper matte anode	102
Sponge-like adsorption strategy for boosting nanoplastics removal on semi-flexible FeNi-layered double hydroxides via variable-valence doping	102
Regulating the in-plane and edge of MoSe2 nanosheets with phase engineering for efficient and selective Pb(II) removal	102
Editorial Board	102
Local polarization electric field promoted the active sites formation on the piezo-photocatalytic BaCaBO3F containing OVs and N doping to effectively degradation of oxytetracycline in water	101
Ni-doped cobalt selenide/sypress leaf CdS ohmic junction: An innovative strategy for efficient visible light hydrogen evolution	101
Pore-size-dependent adsorption of HCrO4− and Cr2O72− towards sustainable supported Cr(III) catalysts through in-situ reduction	100
As2O3 adsorption enhancement over Ni-modified γ-Al2O3 in complex flue gas constituents	100
Study on the process of producing crotonaldehyde from acetaldehyde catalyzed by Zr-β zeolite	100
A redox-mediated polymer with extended π-delocalization for efficient Cr3+ elimination via capacitive deionization	99
Nonradical-dominated pathway toward selective catalytic ozonation of NH4+-N to N2 in drinking water over birnessite	99
Donnan dialytic transport and biological removal of yttrium from multi-element solutions	99
Reduction of total dissolved solids of pre-treated flowback water by two-stage nanofiltration: A gel layer based model to predict the system performance and scale up	99
Energy level mediation of Bi2O2CO3 cooperates with the noble metal-like catalysis of Bi for enhancing the photodegradation activity of organic pollutants	98
Sustainable and recyclable starch-based ion exchange resin with superior exchange capacity and swelling resistance	98
Computational modeling of discrete-object feed spacers attached directly onto reverse osmosis membranes for enhanced module packing capacity and improved hydrodynamics	98
Efficiently removal the lanthanides using electroreduction diffusion method/high-temperature adsorption technique	98