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Applying chemical sedimentation process in drinking water treatment plant to address the emergent arsenicspills in water sources

Pengfei LIN,Xiaojian ZHANG,Hongwei YANG,Yong LI,Chao CHEN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1, Pages 50-57 doi: 10.1007/s11783-014-0733-2

Abstract: Arsenic (As) spills occurred more frequently and sometimes polluted water sources in recent years inIn response, we developed a chemical sedimentation technology to remove arsenic contaminants for waterwere conducted to investigate the efficiency of arsenic removal and the influencing factors of the chemicalThe As(III) contaminants are more recalcitrant to chemical sedimentation, 75% for ferric coagulant and

Keywords： Arsenic spill chemical sedimentation coagulation drinking water emergency treatment

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Two-dimensional numerical and eco-toxicological modeling of chemical spills

Suiliang HUANG, Yafei JIA, Sam S. Y. WANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2, Pages 178-185 doi: 10.1007/s11783-009-0020-9

Abstract: The effects of chemical spills on aquatic non-target organisms were evaluated in this study.The transport and transformation of spilled chemicals were simulated by a chemical transport model (includingDue to extreme scarcity of data, this model was applied to two hypothetical cases of chemical spillssimulated results indicated that this model is capable of reasonably predicting the acute effects of chemicalspills on aquatic ecosystems or organism killings.

Keywords： chemical spills acute effects aquatic ecosystem eco-toxicological modeling

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chlorinated aromatics' structure on their adsorption characteristics on activated carbon to tackle chemicalspills in drinking water source

Pengfei LIN,Yuan ZHANG,Xiaojian ZHANG,Chao CHEN,Yuefeng XIE,Irwin H SUFFET

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1, Pages 138-146 doi: 10.1007/s11783-014-0725-2

Abstract: This study focused on evaluating the efficiency of powdered activated carbon (PAC) adsorption process and tackling chlorobenzenes and chlorophenols spill in drinking water source. The adsorption kinetics and PAC’s capacities for five chlorobenzenes and three chlorophenols at drinking water contamination levels were studied in order to determine the influence of different functional groups on the adsorption behavior. The results showed that PAC adsorption could be used as an effective emergency drinking water treatment process to remove these compounds. The adsorption kinetics took 30 min to achieve nearly equilibrium and could be described by both pseudo first-order and pseudo second-order models. A mathematic relationship was developed between the pseudo first-order adsorption rate constant, k , and the solutes’ properties including lg , polarizability and molecular weight. The Freundlich isotherm equation could well describe the adsorption equilibrium behaviors of chlorinated aromatics with from 0.920 to 0.999. The H-bond donor/acceptor group, hydrophobicity, solubility and molecular volume were identified as important solute properties that affect the PAC adsorption capacity. These results could assist water professionals in removing chlorinated aromatics during emergency drinking water treatment.

Keywords： chlorinated aromatics adsorption powdered activated carbon kinetics equilibrium

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Inverse uncertainty characteristics of pollution source identification for river chemical spill incidents

Jiping Jiang, Feng Han, Yi Zheng, Nannan Wang, Yixing Yuan

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1081-4

Abstract: listitem>

The new findings improve monitoring network design and emergency response to spills

Keywords： River chemical spills Emergency response Pollution source inversion Inverse uncertainty analysis Regional

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TiO@palygorskite composite for the efficient remediation of oil spills via a dispersion-photodegradation

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1365-3

Abstract:

• A novel and multi-functional clay-based oil spill remediation system was constructed.

Keywords： Palygorskite TiO₂ Pickering emulsion Oil spill Dispersion Photodegradation

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Special issue on “Green chemical process and intensification”

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 11, Pages 1533-1535 doi: 10.1007/s11705-022-2263-y

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Special Issue for the Future Chemical Engineering Scholars of Global Chinese Chemical Engineering Symposium

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6, Pages 775-776 doi: 10.1007/s11705-022-2172-0

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Insight of chemical environmental risk and its management from the vinyl chloride accident

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 4, doi: 10.1007/s11783-023-1652-x

Abstract: Finally, this accident suggests that further efforts should be taken to bridge the gap between chemical

Keywords： Vinyl chloride Combustion Chemical safety management Environmental risk Emerging contaminants

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Effects of sulfur on variations in the chemical speciation of heavy metals from fly ash glass

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1728-7

Abstract:

● A higher sulfur content reduced the curing rate of Cr in glass.

Keywords： Dechlorinated fly ash SO₃ Heavy metal Chemical speciation Glass solidification

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New Trend of Forest Chemical Industry in China

Song Zhanqian

Strategic Study of CAE 2001, Volume 3, Issue 2, Pages 1-6

Abstract:

Forest chemical industry can produce various useful products by chemical processing of forest resourcesThe present conditiobns of the forest chemical industry in China was reviewed in this paper.

Keywords： forest chemical industry forest resource chemical processing

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Bioinspired and biomimetic membranes for water purification and chemical separation: A review

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1412-8

Abstract:

•The history of biological and artificial water channels is reviewed.

Keywords： Aquaporins Artificial water channels Biomimetic membranes Chemical separation and water purification

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Chemical transdifferentiation: closer to regenerative medicine

Aining Xu,Lin Cheng

Frontiers of Medicine 2016, Volume 10, Issue 2, Pages 152-165 doi: 10.1007/s11684-016-0445-z

Abstract: Particularly, we focus on the complete chemical compound-induced cell transdifferentiation, which isDespite these achievements, the mechanisms underpinning chemical transdifferentiation remain largely

Keywords： cell therapy cell transdifferentiation chemical compounds small molecules tissue regeneration

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Computational design of structured chemical products

Faheem Mushtaq, Xiang Zhang, Ka Y. Fung, Ka M. Ng

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5, Pages 1033-1049 doi: 10.1007/s11705-020-2002-1

Abstract: In chemical product design, the aim is to formulate a product with desired performance.performance, ingredients, structure, and manufacturing process framework for the design of structured chemical

Keywords： product design performance ingredients structure manufacturing process framework structured chemical

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Hexachlorobutadiene emissions from typical chemical plants

Minxiang Wang, Lili Yang, Xiaoyun Liu, Zheng Wang, Guorui Liu, Minghui Zheng

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1352-8

Abstract: Abstract • Unintentional HCBD production in typical chemical plants was investigated. • The highestFew studies of HCBD formation during chemical production processes have been performed, so HCBD emissionsstudy, HCBD concentrations in raw materials, intermediate products, products, and bottom residues from chemicalThe concentrations in the bottom residue samples contributed 24%–99% of the total HCBD formed in the chemicalThe results indicate the concentrations of HCBD unintentionally produced in typical chemical plants and

Keywords： Hexachlorobutadiene Chemical plant Chlorobenzene Trichloroethylene Tetrachloroethylene

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Opportunities and challenges for a Golden Age of chemical engineering

Phillip R. WESTMORELAND

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1, Pages 1-7 doi: 10.1007/s11705-014-1416-z

Abstract: Chemical engineering is entering a new Golden Age of practice, thought, and impact, accompanied by greatThat must be based on recognizing that the core of chemical engineering is applying molecular sciences

Keywords： hydrocarbons biotechnology computation cyberinfrastructure manufacturing environmental