Biomass-Derived Porous Carbonaceous Aerogel as Sorbent for Oil-Spill Remediation

Wang, Zhuqing; Jin, Peng; Wang, Min; Wu, Guangxin; Dong, Chen; Wu, Aiguo

doi:10.1021/acsami.6b11648

Cited by 88 publications

(30 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Reusability is very important for those oil/organic solvent adsorbents considering the adsorption efficiency and cost. Some general methods, including combustion,[5b,21] mechanically squeezing,[4c,5b,22] evaporation by heating,[5c,21a,23] and release in other solvent, were employed to reuse the oil/organic solvent adsorbents. The combustion method can refresh the adsorbents easily, but it is only appropriate for flammable oils/organic solvents and heat‐resistant adsorbents, and the adsorbed oils/organic solvents cannot be recycled and reused, so this method is neither economical nor environment friendly.…”

Section: Resultsmentioning

confidence: 99%

“…These 2D filtration materials are widely developed so far because they can realize economic oil/water separation by gravity and their separation flux is always high. The second strategy is to use oil/organic solvent adsorbent materials, such as superhydrophobic–superoleophilic sponge/foam and aerogel, to realize separation by absorbing oil/organic solvent while simultaneously repelling water. Some of these materials can be reused by simply squeezing or burning after each adsorption cycle, showing high separation efficiency and applicability.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Table Salt as a Template to Prepare Reusable Porous PVDF–MWCNT Foam for Separation of Immiscible Oils/Organic Solvents and Corrosive Aqueous Solutions

Chen

Liu

et al. 2017

Adv Funct Materials

184

View full text Add to dashboard Cite

Many advanced materials are designed for separation of immiscible oils/ organic solvents and aqueous solutions, including poly(vinylidene fluoride) (PVDF) based materials with superwettability. However, due to the limited solubility of PVDF, techniques (e.g., phase inversion and electrospinning) often involve the use of toxic organic solvents. Here a facile organic solvent free method is described to prepare a porous PVDF-MWCNT (multiwalled carbon nanotube) foam using table salt as a sacrificial template. The porous PVDF-MWCNT foam is characterized as superhydrophobic-superoleophilic with good elasticity due to its 3D porosity and low surface energy. The foam exhibits high adsorption capacity to a variety of oils/organic solvents and can be easily reused by squeezing, heating, or releasing in other solvents. More over, the foam is highly resistant toward UV exposure, corrosive aqueous solutions such as acidic, alkaline, salty solutions, and turbulent environ ments, and shows effective oils/organic solvents removal in these complex environments. The continuous separation of immiscible oils/organic solvents and corrosive aqueous solutions with vacuum assistance is also presented. The organic solvent free and reusable PVDF-MWCNT foam is a promising candidate for large scale industrial separation of oils/organic solvents and water in corrosive and turbulent conditions.

show abstract

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Table Salt as a Template to Prepare Reusable Porous PVDF–MWCNT Foam for Separation of Immiscible Oils/Organic Solvents and Corrosive Aqueous Solutions

Chen

Liu

et al. 2017

Adv Funct Materials

184

View full text Add to dashboard Cite

show abstract

“…As presented in Fig. 7b, crude watermelon biomass was directly transformed into 3D biochar macrostructure by a well-established HTC (Wu et al 2013a); other investigated biomass including lettuce (Wang et al 2016b) and eggplant (Yin et al 2016) were also successfully converted into 3D biochar macrostructure by HTC and showed satisfactory performance in water/oil separation, indicating that HTC could be a promising approach for synthesis of 3D biochar macrostructure from sustainable and renewable biomass.…”

Section: Biochar-based 3d Macrostructurementioning

confidence: 92%

Application of biochar-based materials in environmental remediation: from multi-level structures to specific devices

Wang

et al. 2020

Biochar

138

View full text Add to dashboard Cite

The development of biochar has triggered a hot-spot in various research fields including agriculture, energy, environment, and materials. Biochar-based materials provide a novel approach against environmental challenging issues. Considering the rapid development of biochar materials, this review serves as a valuable platform to summarize the recent progress on the theoretical investigation and engineering applications of biochar materials in environmental remediation. For a better understanding of the structure-application relationships, the structural properties of biochar from macroscopic and microscopic aspects are summarized. The multilevel structures including elements, phases, surface chemistry, and molecular are highlighted to elucidate the multi-functional properties of biochars. Sorption, catalysis, redox reaction, and biological activity of biochar are briefly illustrated, which influence the transport, transformation, and removal of organic and inorganic pollutants in the environments. According to the multi-level structures and structure-application relationships of biochar, specific biocharbased materials and devices have been designed for practical environmental application. The important progress on the functionalization and device of biochar-based materials, including magnetic biochars, 2D and 3D biochar-based macrostructures, immobilized microorganism on biochar, and biochar-amended biofilters are highlighted. The environmental friendliness and sustainability of biochar-based materials, considering the whole cycle from synthesis to application, are evaluated.

show abstract

“…Highly porous carbonaceous materials are widely used in many other situations, such as water filtration, electrocatalysts, sorbents, artificial livers or kidneys, artificial photosynthesis, etc. It is essential to continuously investigate their synthesis strategies as well as more facile morphology control approaches of these porous carbonaceous materials.…”

Section: Advantages Of and Synthesis Strategies For Porous Carbonmentioning

confidence: 99%

Synthesis Strategies and Structural Design of Porous Carbon‐Incorporated Anodes for Sodium‐Ion Batteries

et al. 2019

View full text Add to dashboard Cite

tunable porous structures, various morphologies, and high electron conductivity, which makes them very attractive in many different fields of applications, such as energy storage, absorption, water filtration, drug delivery, catalysis, and sensing. [3] Their unique properties can be utilized in various kinds of templates, substrates, capsules, and decorations, especially in energy storage research fields. [4] Due to global concerns about greenhouse gas emissions from the fossil fuels and climate change, many renewable energy technologies have been extensively developed and investigated to alleviate the reliance on the traditional fossil energy sources. [5] In order to store the intermittent forms of energy such as wind energy and solar energy, rechargeable batteries are widely considered as one of the best types of power storage for large-scale electrical energy storage systems (EESs). [6][7][8] In the past few decades, lithium-ion batteries (LIBs) have dominated the power source markets for advanced electric vehicles and portable electronics, since they possess the obvious advantages of high energy density and long cycle life. [9] Nevertheless, the low abundance, uneven distribution, and high price of lithium are increasingly hindering its application in the energy storage area. [10] Sodium-ion batteries (SIBs), which share a similar electrochemical nature, have been considered as the most promising low-cost alternative candidates to the commercial LIBs, especially for the EESs and smart grid applications, owing to the high abundance of sodium sources worldwide. [11,12] Considerable efforts and progress have been made toward transferring the successful experience on the LIB system to SIBs, especially in terms of electrode materials. Both the anode and cathode materials suffer, however, from sluggish reaction kinetics, lower specific capacity, and less electrochemical activity because of the large ionic radius of Na + (1.02 Å for Na + vs 0.76 Å for Li + ). [13,14] Furthermore, graphitic carbon is almost electrochemically inactive in SIBs. Therefore, developing desirable electrode materials for high performance SIBs, especially desirable anode materials, is still an urgent task that is necessary for the real application of SIBs. [15][16][17][18] Unlike the intercalation-type materials, most of the anode materials for SIBs store Na + ions through alloying reactions Over the past decades, porous carbonaceous and carbon-incorporated composites have aroused tremendous attention owing to their unique properties such as high surface area, excellent accessibility to active sites, tunable morphologies and structures, and superior mass transport and diffusion. They have been widely investigated and applied in various fields, such as energy storage, absorption, water filtration, drug delivery, catalysis, and sensing. In the energy storage area, rechargeable sodium-ion batteries (SIBs) have attracted tremendous attention as the next-generation power plants for large-scale energy storage systems (EESs). However, their low ene...

show abstract

Biomass-Derived Porous Carbonaceous Aerogel as Sorbent for Oil-Spill Remediation

Cited by 88 publications

References 31 publications

Table Salt as a Template to Prepare Reusable Porous PVDF–MWCNT Foam for Separation of Immiscible Oils/Organic Solvents and Corrosive Aqueous Solutions

Table Salt as a Template to Prepare Reusable Porous PVDF–MWCNT Foam for Separation of Immiscible Oils/Organic Solvents and Corrosive Aqueous Solutions

Application of biochar-based materials in environmental remediation: from multi-level structures to specific devices

Synthesis Strategies and Structural Design of Porous Carbon‐Incorporated Anodes for Sodium‐Ion Batteries

Contact Info

Product

Resources

About