Continuous regeneration of industrial pickling solutions and recovery valuable materials are implemented in a pilot-scale plant including diffusion dialysis (DD), where HCl is recovered, membrane distillation (MD), concentrated, reactive precipitation (CSTR), metal ions recovered different forms. The integration the three processes allows to minimize waste streams generation accomplish closed-l...

Conventional resources of phosphorous are at high risk of depletion in the near future due to current practices of its exploitation, thus new and improved exploration methodologies need to be developed to ensure phosphorous security. Today, some treatment plants recover phosphorous from municipal wastewater as struvite (MgNH₄PO₄·6H₂O). Magnesium is often added to the wastewater as MgCl₂·6H₂O to...

We present a novel hybrid membrane system that operates as a heat engine capable of utilizing low-grade thermal energy, which is not readily recoverable with existing technologies. The closed-loop system combines membrane distillation (MD), which generates concentrated and pure water streams by thermal separation, and pressure retarded osmosis (PRO), which converts the energy of mixing to elect...

To efficiently utilize low-concentrate digestate nutrients, further treatment is needed to decrease their volume, recover process water, and increase nutrient concentrations. Membrane distillation (MD) a thermally driven that advantageous due its ability harness low-grade waste heat treat highly complex wastewater streams. This study assessed the techno-economic performance of integrating MD fo...

The surface properties of TiO2-PVDF nanocomposite membranes were investigated by incorporating different chemically modified TiO2 nanoparticles into the poly (vinylidene fluoride) (PVDF) matrix. The nanocomposite membranes were prepared via dual coagulation bath diffusion and the induced phase inversion method. The membrane surface morphologies were investigated by using SEM and AFM and related...

Nanofibrous membranes of matrimide were successfully fabricated using electrospinning technique under optimized conditions. Nanofibrous membranes were found to be highly hydrophobic with high water contact angle of 130°. FESEM and pore size distribution analysis revealed the big pore size structure of electrospun membranes even greater than 2μm and the pore size distribution is found to be narr...

The use of waste incineration with energy recovery is a matured waste-to-energy (WtE) technology. Waste can reduce the volume and mass municipal solid significantly. However, generation high volumes polluting flue gases one major drawbacks this Acidic are constituents in gas stream which deemed detrimental to environment. wet desulphurization (FGD) method widely employed clean acidic from strea...

Abstract Background In this research work, a coupled heat and mass transfer model was developed for salt recovery from concentrated brine water through an osmotic membrane distillation (OMD) process in hollow fiber contactor (HFMC).The built based on the resistance-in-series concept transport across hydrophobic membrane. The adopted to incorporate effects of polarization layers such as temperat...