JOURNAL OF HAZARDOUS MATERIALS
·
2020
·
IF 9.038
Hao Liu,Qing-da An,Jeonghun Kim,Lin Guo,Yu-meng Zhao,Zuo-yi Xiao,Shang-ru Zhai
The recovery of noble metals from aqueous systems is of great significance for constructing sustainable framework of modern industry yet remains challenging. Herein, Cu x S y /Carbon composites with superior thermal stability and adsorption capacity were successfully synthesized via one-pot hydrothermal method using lignosulfonate as dual role of raw materials. The optimal synthesis conditions were investigated via tailoring the temperature and the mass ratio of reagents. The morphologies and physical properties of the composites were characterized by scanning electron microscope (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and thermogravimetric analysis (TGA). The surface chemistry was analyzed by Zeta potential analysis, Brunauer-Emmet-Teller (BET), and X-ray photoelectron spectroscopy (XPS). The Langmuir model and the pseudo-second-order model well described the adsorption of Pd(II) and Pd(IV) delivered by fabricated composites. The adsorption capacity obtained from Langmuir isotherm model towards Pd(IV) was 114 mg/g and Pd(II) was 101 mg/g, respectively. More importantly, the adsorbed palladium species could be desorbed with hydrochloric acid and thiourea, which suggested good durability and recycling performance of the typical composite. This work might provide a new guidance for the utilization of lignin or its derivatives and enriched the research in the field of noble metal recovery.
研究领域:
材料科学
·
环境科学
·
化学工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2020
·
IF 10.652
Jie Xu,Ming Li,Lvye Yang,Jianhao Qiu,Qian Chen,Xiongfei Zhang,Yi Feng,Jianfeng Yao
Oxygen vacancies are efficient to promote the separation of photogenerated electrons and holes, thereby enhancing the photocatalytic performance of the catalyst. In this work, Ni-doped ZnO with oxygen vacancies was successfully synthesized. 3ZnO with 3 wt% of Ni 2+ doping has an optimum photocatalytic activity. The optimal depolymerization rate of sodium lignosulfonate (SLS) was 94%, and the optimal yields of vanillic acid and guaiacol were 9.3% and 1.5%, respectively. 3ZnO can effectively depolymerize SLS to valuable products, CO 2 and H 2 O due to proper concentration of surface oxygen vacancies induced by Ni 2+ doped, which promotes the formation of •O 2 – . •O 2 – is considered to be more conducive to depolymerization of SLS to valuable products. Proper concentration of oxygen vacancies is very necessary for depolymerizing SLS into valuable products. This work will give an innovative vision for efficient depolymerizing biomass to valuable products through photocatalytic reactions.
研究领域:
材料科学
·
环境科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2022
·
IF 8.025
Qian Liu,Zhenrong Tan,Dafeng Zheng,Xueqing Qiu
In order to improve the effect of anti-tumor drugs, a magnetic delivery system for targeted drug was reported. Firstly, aminated lignosulfonate (ALS) and carboxymethyl chitosan (CMCS) were used to fabricate nano Fe 3 O 4 to obtain pH-responsive magnetic Fe 3 O 4 /CMCS/ALS nanoparticles. Then the nanoparticles were loaded with doxorubicin hydrochloride (DOX), realizing the targeted delivery and controlled release of anti-tumor drugs. It was found that the amount of crosslinking agent and emulsifier were the key factors affecting the morphology and size of the magnetic nanoparticles. Under optimized conditions, the particle size was about 79.9–169.9 nm, exhibiting excellent pH responsiveness. When the drug-to-material ratio was 11:10, the DOX loading rate and the encapsulation rate of the nanoparticles was 48.68 % and 86.23 %. While the Fe 3 O 4 /CMCS/ALS-DOX particles could release 63.14 %, 56.71 %, and 14.28 % of DOX at pH 4.0, 5.3, and 7.4, respectively. The results showed that the Fe 3 O 4 /CMCS/ALS particles exhibited excellent drug loading and release behavior based on the pH responsiveness, which could be described by Langmuir adsorption model and Fick's law of diffusion respectively. MTT assay and Live/dead staining experiments also showed that the drug-loaded particles had obvious growth inhibition on cancer cells.
研究领域:
生物医学工程
·
药物递送系统
·
肿瘤学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ACS Sustainable Chemistry & Engineering
·
2023
·
IF 8.4
Yuhan Zhang,Jingyi Hao,Haitao Zhao,Wenjie Zhang,Ge Shi,Yanjie He,Shuzhen Zhou,Xiaoguang Qiao,Xinchang Pang
Herein, colloidal nanocrystal clusters (CNCs) formed from lignosulfonate (LS) and Ag nanoparticles (LS@AgNPs) were prepared by in situ reduction, confined growth, and self-assembly methods. The LS micelles in solution served as a confined nano-reactor for the growth of AgNPs, and the phenolic hydroxyl groups in the structure provided complex sites as well as played a reducing role for the Ag ions. Following the addition of cetyltrimethyl ammonium bromide and anti-solvents, LS colloidal nanoparticles were achieved through self-assembly of LS micelles, and the AgNPs in the micelles entered the inner phase, forming the core@shell CNCs. However, the AgNPs in the CNCs were large in size (50 nm), few in number (<10 n/n), and unevenly distributed. The reason for this may be the low reduction ability of LS resulting in the loss of controlled growth of AgNPs in LS micelles. In contrast, the extra addition of a strong reducing agent significantly decreased the size of AgNPs and led to their more uniform distribution in the CNCs. Furthermore, LS@AgNPs CNCs showed good antibacterial activity, especially against Staphylococcus aureus (+). We expect these green, sustainable composite nanoparticles can be further applied in many other fields as well.
研究领域:
材料科学
·
生物学
·
纳米技术
✓ 已验证
产品关联
DOI
高影响因子
ENERGY & FUELS
·
2024
·
IF 5.2
Yibo Gao,Shifang Mu,Yao Li,Lanyun Wang,Yongliang Xu,Kun Zhang
Capture and storage of CO2 (CCS) is recognized as an important, urgent, and necessary option to reduce CO2 emissions from the coal and oil and gas industries and to mitigate the severe impact of CO2 on the atmosphere and the environment. Hydrate-based approach is a new way to solve this challenge, but the challenge is how to synthesize hydrates rapidly and increase their growth rate and storage capacity. In this paper, two additives, 1,3-dioxopentacycline (1,3-DIOX) and sodium lignosulfonate (SL-Na), were selected for experimental studies of CO2 hydrate trapping at different concentration ratios, and the results showed that the two synergistically enhanced the kinetic process of the hydrates under a certain concentration of the compound system. Molecular dynamics simulations showed that the potential energy of the 1,3-DIOX + SL-Na + CO2 + H2O compound system was lower than that of the other systems, suggesting that a more stable CO2 hydrate would be generated within this compound system. The radial distribution function shows that 1,3-DIOX changes the structure of the hydrate, SL-Na enhances the solubilization of CO2 molecules, and the copresence of the two reduces the agglomeration force between CO2 molecules, which facilitates the diffusion of CO2 in the aqueous solution and the confinement of CO2 in the crystalline cages, and thus promotes the growth of the hydrate.
研究领域:
环境科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
FUEL
·
2024
·
IF 6.7
Wei Tang,Xinyue Wang,Shuqi Guo,Jinxin Huan,Haojie Qian,Caoxing Huang,Yucai He
Sodium lignosulfonate (LS) is typically the primary industrial lignin derived from pulping process. Owing to LS’s surface-active properties, this work employed it in conjunction with pretreatment and enzymatic hydrolysis to biotransform poplar sawdust (PS). The findings revealed that a pretreatment of PS using 40 g/L LS and 4 g/L H 2 SO 4 (LSPS) led to the separation of 49.7 % lignin and 80.5 % xylan, consequently increasing the enzymatic hydrolysis efficiency (EHE) from 22.4 % to 66.9 %. Furthermore, an EHE of 72.8 % was achieved with 5 g/L LS, while an EHE of 71.7 % was obtained with the prehydrolysate (20 g/L LS) contained in enzymatic hydrolysis. Analysis indicated that the elevated EHE of LSPS was ascribed to enhanced accessibility and reduced surface area of lignin on one hand, and increased enzymatic activity through LS’s electrostatic adsorption on the other hand. These results underscored the high-value utilization of lignin-based surfactants in both pretreatment and enzymatic hydrolysis processes.
研究领域:
生物技术
·
可再生资源工程
✓ 已验证
产品关联
DOI
高影响因子
Journal of Environmental Chemical Engineering
·
2024
·
IF 7.4
Shuchen Wang,Kai He,Yuanfang Lai,Feng He
The reductive capacity of zero valent iron (ZVI) is extremely restricted by the surface passivation. To address this issue, ball-milling lignosulfonate modified ZVI (LS-ZVI) was prepared and used to determine the reactivity, electron utilization efficiency and application feasibility towards nitrobenzene (ArNO 2 ) removal. The results showed that LS-ZVI could completely remove ArNO 2 within 40 min with aniline conversion percentage of ∼95%, while ArNO 2 reduction by ZVI was negligible within 180 min. Electrochemical evidence, H 2 production, and characterization analysis collectively illuminated that the enhanced ArNO 2 reduction by LS-ZVI was attributed to the increased Fe 0 exposure that endowed it with excellent electron transfer ability. The inhibited H 2 production indicated that the electron utilization efficiency of LS-ZVI towards ArNO 2 was close to 100%. Moreover, ArNO 2 removal was slightly inhibited under higher solution pH. Except for the obvious inhibitory effect of high concentration NO 3 − , the effects of co-existing ions (Cl − , NO 3 − , SO 4 2− , Ca 2+ , and Mg 2+ ) were little. The presence of Ni(II) had a negligible effect on ArNO 2 removal, while high concentration of Cd(II) and Cr(VI) could obviously inhibit ArNO 2 reduction. In addition, the excellent reusability of LS-ZVI and the complete ArNO 2 removal in groundwater suggested the feasibility of LS-ZVI in practical field remediation.
研究领域:
环境科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
INDUSTRIAL CROPS AND PRODUCTS
·
2019
·
IF 4.191
Wenbo Zhang,Yi Zhang,Haiyan Liang,Dunsheng Liang,Hongying Cao,Chengguo Liu,Yong Qian,Qiming Lu,Chaoqun Zhang
In this work, a series of castor oil-based waterborne polyurethane composites were prepared with different amounts of sodium lignosulfonate as functional filler. The effect of the sodium lignosulfonate contents on the particle size and storage stability of the polyurethane composite dispersions was studied and discussed. In addition, the thermo-mechanical, thermal stability, mechanical properties and UV absorption of the resulting polyurethane films were characterized. The composite dispersion exhibits excellent storage stability and the bio-content of the resulting composite films is high up to 70%. In addition, it was found that the tensile strength and storage modulus increased with increasing the sodium lignosulfonate contents due to enhancement effect from the rigid benzene ring structure of sodium lignosulfonate and good compatibility between polyurethane matrix and the filler. The introduction of sodium lignosulfonate into WPU matrix rendered the excellent UV absorption of the composites due to the conjugated structures of lignin macromolecular. This work provides a new simple method to prepare environmental friendly bio-based waterborne polyurethane composites, which could find widely application in the field of UV absorption coatings and sunscreen cream.
研究领域:
材料科学
·
环境科学
·
高分子化学
✓ 已验证
DOI
高影响因子
RSC Advances
·
2018
·Vol. 8
·期 28
·15762-15772
·
IF 2.936
Xin Yu,Lincai Peng,Xueying Gao,Liang He,Keli Chen
An eco-friendly and low-cost lignosulfonate-based acidic carbonaceous catalyst (LS-SO3H) was effectively fabricated using the sulfite pulping by-product of sodium lignosulfonate as a precursor by facile one-step simultaneous carbonization and sulfonation, and employed for the synthesis of promising biofuel furan derivatives from biorenewable feedstocks. The catalyst preparation conditions significantly affected the preparation and properties of LS-SO3H. A relatively high catalyst preparation yield (40.4%) with strong –SO3H density (1.33 mmol g−1) were achieved when the lignosulfonate was treated in concentrated H2SO4 solution at 120 °C for 6 h. The preparation yield of LS-SO3H was nearly twice as much as that of one-step prepared catalyst using alkaline lignin (another technical lignin from pulping) as a precursor. The as-prepared LS-SO3H had similar textural characteristics to the frequently-used two-step prepared carbonaceous catalyst involving pyrolysis carbonization and sulfonation. LS-SO3H was found to show good catalytic activity for the synthesis of 5-ethoxymethylfurfural (EMF) in ethanol medium, affording around 86%, 57% and 47% yields from 5-hydroxymethylfurfural (HMF), fructose and inulin, respectively. Also, a high HMF yield of 83% could be obtained from fructose when DMSO was replaced as reaction medium. The used LS-SO3H was readily recovered by filtration, and remained active in recycle runs.
研究领域:
化学工程
·
可再生资源与环境科学
✓ 已验证
DOI
PubMed
高影响因子
ChemistrySelect
·
2026
·Vol. 11
·期 9
·e05437
·
IF 2.3
Dingbo Shu,Xiaogang Yin,Juan Li,Shengnan Huang,Yanru Shan,Xiaokai Wu,Shaowen Huang,Yanfei Liu
Conventional petroleum-based superabsorbent hydrogels suffer from high cost, poor degradability, and environmental concerns. To address these issues, a biodegradable bio-based superabsorbent hydrogel (SL-P(AA-AMPS)/CA) was successfully synthesized via open-system aqueous solution polymerization, with sodium lignosulfonate (SL) serving as the bio-based framework, acrylic acid (AA) and 2-acrylamido-2-methylpropanesulfonic acid (AMPS) as monomers, and citric acid (CA) as a crosslinking modifier. The hydrogel's structure was systematically characterized by Fourier transform infrared spectroscopy (FT-IR), x-ray diffraction (XRD), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). These analyses conclusively confirmed the successful grafting of SL onto the polymer chains and the establishment of a three-dimensional network structure. The hydrogel exhibited exceptional water absorption capacities of 899.8 g/g in deionized water and 110.6 g/g in 0.9% NaCl solution, with a dense, uniformly porous microstructure featuring smooth pore walls and structural stability. The incorporation of SL and CA not only enhanced hydrophilicity and absorption performance but also significantly improved biodegradability through the introduction of microorganism-degradable functional groups (-C-O, -C = O-NH, -COOH, -OH), achieving a 25.7% soil degradation rate within 28 days. This work presents an innovative approach utilizing biomass molecules to mitigate environmental pollution from conventional superabsorbent hydrogels, advancing the development of sustainable, high-performance hydrogel materials toward green applications.
✓ 已验证
产品关联
DOI
高影响因子
Green Energy & Environment
·
2026
·
IF 16.7
Hanlei Yan,Jing Li,Mengyu Li,Li Shuai,Zhuotong Wu
Growing demand for sustainable energy harvesting drives research into thermoelectric materials that convert waste heat into electricity. Hydrogel-based systems offer advantages but are limited by toxic redox couples and poor mechanical-thermoelectric balance. Herein, we design and fabricate a highly stretchable, organic flexible gel-based photo-thermoelectric device by integrating biomass-derived sodium lignosulfonate (LS) and employing a novel non-toxic redox couple (SO 4 2- /SO 3 2- ). Unlike the usual method of introducing high salt or metal ions, this work uses the -SO 3 - groups in biomass LS to enhance the concentration gradient between SO 4 2- and SO 3 2- , thereby endowing the gel with high thermoelectric performance, achieving a thermal power of up to 2.6 mV K -1 . Moreover, benefiting from the superior photothermal conversion capability of LS, the as-prepared gel realizes integrated photo-thermoelectric conversion, which further elevates its thermal power to approximately 3.5 mV K -1 . The resulting gel is also capable of powering small electronic devices under practically achievable temperature gradients and can harvest human body heat. This work breaks from traditional toxic redox systems and represents a significant advance toward high-performance, environmentally benign thermoelectric devices based on sustainable biomass materials.
✓ 已验证
产品关联
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2025
·
IF 5.4
Lupeng Shao,Kairuo Zhu,Zhen Xiao,Jianbiao Peng,Shangru Zhai
Innovative engineering biochar from waste biomass is of huge interest for organic wastewater cleanup. This study introduced lignosulfonate (LS) derived Fe-doped biochar (Fe/LSB), which is prepared by the solvent-free method that integrating the ball-milling treatment with one-pot pyrolysis process, as the Fenton-like catalyst for tetracycline (TC) degradation. Various characterization revealed its porous structure, large surface area, and rich active sites. Degradation test confirmed that Fe/LSB achieves preferable efficiency for TC removal by peroxymonosulfate (PMS) activation. Mechanistic analysis identified a synergistic process involving 1 O 2 (mainly), SO 4 •– and •OH, which drove the effective TC degradation. Meanwhile, new degradation pathway in Fe/LSB/PMS system was proposed and the toxicity assessments revealed an obvious decline in toxicity of intermediate products. Furthermore, Fe/LSB/PMS system also achieved the excellent removal efficiency of TC during a continuous 6-day reaction process. This work transforms LS into Fe-based biochar catalyst, boosting sustainable development and providing a reliable way for TC removal, strengthening low-impact Fenton-like technology.
研究领域:
环境科学与技术
·
材料科学
·
化学工程
·
废水处理
·
催化
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）