OOIR: Observatory of International Research

Papers

(The H4-Index of Separation and Purification Technology is 94. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Selective recovery of carboxylic acid through PVDF blended anion exchange membranes using electrodialysis	358
Perborate accelerated copper-immobilized carbon nanofibers activating peroxymonosulfate process for sulfadiazine degradation: Performance and mechanisms understanding	280
Synergistically boosted non-radical catalytic oxidation by encapsulating Fe3O4 nanocluster into hollow multi-porous carbon octahedra with emphasise on interfacial engineering	264
Is catalytic ozonation always an efficient treatment for refractory pollutant in various water matrices?	238
Rapid separation of MOFs particles with the aid of PVDF hollow fiber membrane	236
Theoretical and experimental investigations of time-dependent mass transfer mechanism of fine particulate matter under the sink effect	236
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	233
Comparing methods for protozoa removal in activated sludge	198
Organic molecular gate in mordenite for deep removal of acetylene and carbon dioxide from ethylene under humid condition	190
Sugaring‐out assisted organic-aqueous biphasic systems: Characteristics, mechanisms and applications	190
Standing wave design and optimization of a tandem size-exclusion simulated moving bed process for high-throughput recovery of neoagarohexaose from neoagarooligosaccharides	188
AsIII-enhanced oxidation by coexisting MnIII-phenolic complexes during arsenic contaminated groundwater treatment by MnO2	184
Optimised “green solvent” extraction of long-chain menaquinones (Vitamin K2) from wet Lactococcus lactis biomass	181
Importance of channel dimension for flow-electrode flowing in flow-electrode capacitive mixing (F-CapMix): Evaluation of net power density under high-pressure-drop conditions	181
Ammonium removal and recovery from effluent of AnMBR treating real domestic wastewater using polymeric hydrogel	170
Aerobic and anaerobic regulation induced different degradation behaviors of parachloronitrobenzene in soil by microwave activated persulfate oxidation	159
Enhancing the Fenton catalytic activity of Fe-MOFs by incorporation of carbon nanotubes: The crucial role of C-O-Fe coordination structure	158
Cross-linked copolyimide-P84/CAU-10-H/branched polyethyleneimine membranes for organic solvent nanofiltration	154
Utilization of magnesium resources in salt lake brine and catalytic degradation of dye wastewater by doping cobalt and nickel	152
Effective activation of PMS by encapsulating monodispersed Fe3O4 within N, S heteroatoms co-doped carbon chamber for ROX removal dominated by the non-radical pathway	152
Enhanced electrochemical harmless removal of ammonia nitrogen and simultaneously recovery of phosphorus with peroxydisulfate activated by Fe inductive electrode	152
Application of catalytic hydrodechlorination for the fast removal of chlorinated azole pesticides in drinking water	148
TiO2-embedded dual-layer mullite hollow fiber membranes for efficient removal of Persistent organic pollutants from wastewater	146
Management of secondary effluent using novel membrane technology to recover water and magnesium ions for phosphate precipitation: An integrated pilot-scale study	146
Nitrogen-doped iron carbide composites for activating peroxymonosulfate to degrade sulfonamides	142

Development of a slow-release CO2 absorbent material for alkaline activation of persulfate oxidation of TCE and CO2 capture	140
Design and synthesis of carbazole-based conjugated microporous polymers for CO2 capture	139
Structured PAN@MgAl-NO3 for highly efficient removal of CrO42−, SeO32−, MnO4−, and AsO2−	138
Highly efficient anodic oxidation of organic pollutants using Ti4O7 particle anode: Experimental and theoretical study of the operational and structural parameters influence	135
Computational modeling of discrete-object feed spacers attached directly onto reverse osmosis membranes for enhanced module packing capacity and improved hydrodynamics	132
Productivity for free: Residence time gradients during loading increase dynamic binding capacity and productivity	132
Electrochemically-mediated treatment of sulfur dioxide and purification of carbon dioxide coupled with hydrogen production	130
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	128
The efficient degradation of carbamazepine by Cu-Fe bimetallic composite carbon derived from the waste cation exchange resins: Mechanism, ecotoxicity, and continuous flow catalysis	126
Ion exchange resin – Bipolar membrane electrodialysis hybrid process for reverse osmosis permeate Remineralization: Preparative ion exchange chromatography for Ca2+ and Mg2+ recovery	124
Composite alginate membranes with dispersed MQFP hard magnet network as a new concept for highly efficient pervaporative dehydration of ethanol/water mixture	123
Imaging of particle deposition and resulting flow field during flocculation filtration within a granulated activated carbon filter	122
Zirconium titanium phosphonates for enhanced lanthanide recovery from acidic wastes	121
Enhancement of Co(II) removal via coupling of electrosorption and electrodeposition using asymmetric electrode from wastewater	121
Development of novel microporous guanazole complex for CO2 adsorption	120
Accurate evaluation on contribution of typical active species for degrading phenolic pollutants in peroxymonosulfate activation system	120
Editorial Board	119
Efficient mineralization of coal pyrolysis wastewater in a heterogeneous electro-Fenton system using a novel Fe3O4-LaFeO3/C/GF heterojunction cathode	118
Editorial Board	117
Carbon removal flotation performance and economic analysis of different coal fly ash using waste fried oil as a collector	117
Efficient separation of Chromium(III) from Lanthanide(III) via reductive boronization in molten chloride	117
Enhanced performance of a magnetic photocatalyst regulated using a magnetic field	115
Development and performance evaluation of a new type of temperature resistant surfactant for ultra-deep well casing flushing	113
Polyaniline-based magnetically-driven microbots for improving enantioselective separation toward amino acids	113
Single-step purification of para-xylene from xylene isomers through a synergistic combination of two robust aluminum-based metal–organic frameworks	112
Electron-rich ketone-based covalent organic frameworks supported nickel oxyhydroxide for highly efficient peroxymonosulfate activation and sulfadiazine removal: Performance and multi-path reaction mec	111
Theoretical investigation on two-dimensional conjugated aromatic polymer membranes for high-efficiency hydrogen separation: The effects of pore size and interaction	110
Low voltage electric field mediating gravity-driven membrane bioreactor in treating saline wastewater: removal improvement and membrane fouling control	110
Formation of hydrophobic membranes by surface spray assisted NIPS: Effects of solvent/non-solvent and spraying conditions	109
Polyamide membranes with internal nanoscale homogeneity for enhanced ion separation via a constant temperature UV irradiation post-treatment	109
Unlocking the potential of graphene oxide membranes: Microstructural tuning through metal–organic frameworks for water treatment progress	109
Study on biogas upgrading characteristics and reaction mechanism of low energy consumption 2-Amino-2-methylpropanol (AMP)/piperazine (PZ)/H2O mixed amines	108
AlCl3-assisted dissolution of NdCl3 in organic solvents for Nd refining	107
1,3-Dioxolane production via reactive distillation combined with vapor permeation: Experiments and modelling	106
Editorial Board	106
Enhanced performance of cyclone separator through coupling of centrifugal force, electrostatic force and particle pre-charge	105
Fabrication and separation performances of composite membranes containing copper ferrite photocatalysts on graphene oxide nanosheets	105
Editorial Board	105
Shear-induced oil separation from a sand particle moving in water	105
Nanoporous anodic aluminum oxide-confined ZIF-67 for efficiently activating peroxymonosulfate to degrade organic pollutants	104
The role of mixing on the kinetics of nucleation and crystal growth in membrane distillation crystallisation	104
Degradation of sulfamerazine using ultrasonic horn and pilot scale US reactor in combination with different oxidation approaches	103
Separation of chemical groups from wood tar via sequential organic solvent extraction and glycerol-assisted distillation	103
Robust 2D porphyrin metal–organic framework nanosheets for high-efficiency photoreduction-assisted uranium recovery from wastewater	103
Liquid-liquid extraction performance in a miniaturized magnetic extractor	103
Elucidating the electron confinement effect on CeFeW/ZrO2 catalysts to enhance SO2 resistance in the low temperature NH3-SCR reaction	103
Constructing Co3O4 nanosheet arrays anode as durable and efficient electrocatalyst for simultaneous chlorine evolution and carbamazepine degradation in the marine environment	102
Flexible solar absorber using hydrophile/hydrophobe amphipathic Janus nanofiber as building unit for efficient vapor generation	102
Dendrite-free Li metal anodes with confined volume change towards long lifetime	102
Modeling and analysis of CO2 capture by aqueous ammonia + piperazine blended solution in a spray column	102

Lithium recovery from brine by PEG-modified porous LiFePO4/FePO4 electrode system	102
Ferroelectric ultrafiltration membrane with improved antifouling performance	101
Adsorption-induced chemical reaction for in situ immobilization of radioactive anions on pristine β-Bi2O3 microflowers	101
Effect of relative humidity and dust moisture content on filtration performance of bag filter	99
Probing the coalescence mechanism of water droplet and Oil/Water interface in demulsification process under DC electric field	99
Polyzwitterion-grafted UiO-66-PEI incorporating polyimide membrane for high efficiency CO2/CH4 separation	98
A robust floating oxygen-doped graphitic carbon nitride sheet for efficient photocatalytic CO2 conversion	98
Tailoring three-dimensional conjugated microporous polymers for photo-enhanced gold extraction	98
Three-step treatment of real complex, variable high-COD rolling wastewater by rational adjustment of acidification, adsorption, and photocatalysis using big data analysis	97
Dopamine hydrochloride and L-arginine Co-functionalized halloysite nanotubes for modification of polyethersulfone ultrafiltration membrane with improved separation performance	97
Enhancing stability and ionic sieving efficiencies of GO membranes via copper ion crosslinking and tannic acid intercalation	97
Transition metal and Pr co-doping induced oxygen vacancy in Pd/CeO2 catalyst boosts low-temperature CO oxidation	96
Liquid nitrogen quenching-induced grain boundary-rich intermetallic compound/metal/carbon composites for efficient capacitive deionization	96
Modification strategies for Ti3C2Tx MXene-based membranes to enhance nanofiltration performance: A review	95
Tannic acid −3-aminopropyltriethoxysilane (TA-APTES) coated UHMWPE membrane for DCMD	95
Visible light-induced photocatalytic oxidation of gaseous ammonia on C surface-coated N-TiO2 catalyst: synthesis, properties and mechanism	95
Recyclable and selective PVDF-based multifunctional molecular imprinted membranes for the removal of Bisphenol A	94
Selective separation of dyes by colloidal gas aphrons: Conventional flotation vs countercurrent chromatography	94
Facile synthesis of natural stearic acid modified carbon adsorbent for toluene adsorption under high humidity conditions	94
Ultra-thin PTMSP nanocomposite membranes incorporated with functionalized MoS2 nanosheets for pharmaceutical concentration and solvent recovery	94
Open-air plasma deposition of polymer-supported silica-based membranes for gas separation	94