Feasibility of H2O2 cleaning for forward osmosis membrane treating landfill leachate

Novel Approach to Landfill Wastewater Treatment Fouling Mitigation: Air Gap Membrane Distillation with Tin Sulfide-Coated PTFE Membrane

“…It is well established that membrane fouling and wetting can negatively impact the filtration system’s water flux and rejection rate. Hot DI water cleaning was carried out to address this issue, which has been demonstrated as an effective method of removing fouling substances such as organic and inorganic particles loosely attached to the membrane surface that accumulate during the filtration process [ 47 ]. The fouling factor results shown in Figure 4 C reveal that membrane cleaning with hot DI water was more effective in fouling alleviation for the TS-PTFE membrane than for the PTFE membrane.…”

Fouling and Performance Investigation of Membrane Distillation at Elevated Recoveries for Seawater Desalination and Wastewater Reclamation

“…To evaluate the impact of H 2 O 2 cleaning on the membrane, the membrane rejection of NaCl was measured after the H 2 O 2 cleaning and compared with the initial rejection. Heated DI water would release fouling materials loosely attached to the membrane surface, including organic and inorganic matters [ 33 ], and formed at the early stage of the filtration process. Over time, the fouling layer becomes denser ( Table 3 ) and more stubborn to remove due to the metal oxides and salt accumulation on the membrane surface, rendering the membrane to become less hydrophobic ( Table 4 ).…”

Sequencing batch photocatalytic H2O2 production over a magnetic resorcinol–formaldehyde polymer for on-site water purification by UV light irradiation

“…Immobilizing the photocatalysts on porous substrates is one feasible choice but significantly decreases mass transfer and H 2 O 2 production. The downstream separation such as member filtration is energy-costing, and organic membranes are labile in H 2 O 2 solution 25,26 . Thus, facile separation of photocatalyst powder to ensure produce clean H 2 O 2 solution is prerequisite for the integration of H 2 O 2 production and on-site utilization for water purification.…”

“…The downstream separation such as membrane ltration is energy-costing, and organic membranes are labile in H 2 O 2 solution. 25,26 Thus, facile separation of photocatalyst powder to ensure production of a clean H 2 O 2 solution is a prerequisite for the integration of H 2 O 2 production and on-site utilization for water purication.…”