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Fine Chemicals in the New Century

Yang Jinzong

Strategic Study of CAE 2002, Volume 4, Issue 10,   Pages 21-25

Abstract:

Fine chemicals industry is one of the standards to evaluate the level of chemical industry.Several problems which should be taken into consideration in developing fine chemicals industry, including

Keywords： fine chemicals     environmental protection     core technology     energy saving     consumption decrease     specialty    

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Removal of endocrine disrupting chemicals from water through urethane functionalization of microfiltration

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1805-6

Abstract:

● Urethane functionalities created on PES membranes via electron beam irradiation.

Keywords： Surface functionalization     Electron beam irradiation     Microfiltration     Endocrine disrupting chemicals    

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Selective preparation for biofuels and high value chemicals based on biochar catalysts

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 635-653 doi: 10.1007/s11708-023-0878-4

Abstract: In this paper, the recent advances in biofuels and high chemicals for selective production based on biocharSuitable biochar catalysts can enhance the yield of biofuels and higher-value chemicals.based on mechanism research will be beneficial to increase biofuels and the conversion efficiency of chemicalsoperational conditions based on the biomass properties are vital for the selective production of high-value chemicalsThis paper identifies the latest preparation for energy products and other high-value chemicals based

Keywords： biomass     biochar catalysts     biofuels     high chemicals    

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Effect of gastric fluid on adsorption and desorption of endocrine disrupting chemicals on microplastics

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1525-8

Abstract:

• Effect of gastric fluid on EDCs adsorption-desorption to microplastics was evaluated.

Keywords： Microplastics     Gastric fluid     Endocrine-disrupting chemicals     Adsorption     Desorption    

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Power-to-chemicals: sustainable liquefaction of food waste with plasma-electrolysis

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 594-605 doi: 10.1007/s11705-022-2255-y

Abstract: Overall, this proposed strategy may provide a new sustainable and eco-friendly avenue for the power-to-chemicals

Keywords： plasma electrolysis     food waste     liquefaction     resource recovery    

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Valorisation of protein waste: An enzymatic approach to make commodity chemicals? ?

Madura B. A. Kumar, Yuan Gao, Wei Shen, Lizhong He

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 295-307 doi: 10.1007/s11705-015-1532-4

Abstract: Valorisation of protein waste to higher value products, particularly commodity chemicals such as precursorstheir chemical counterparts, promise sustainable processes for conversion of protein waste to valuable chemicalsextraction and hydrolysis, separation of individual amino acids and their ultimate conversion into chemicals

Keywords： amino acids     protein waste     reactor     conversion     commodity chemicals     enzymes    

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Collaborative control of fine particles and ozone required in China for health benefit

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1692-2

Abstract:

● Increased DAAO offsets 3/4 of the decrease of DAAP in 2013–2020.

Keywords： Excess deaths     Long-term exposure     Fine particle     Ozone    

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Occurrence of estrogenic endocrine disrupting chemicals concern in sewage plant effluent

Yan SUN, Huang HUANG, Ying SUN, Chao WANG, Xiaolei SHI, Hongying HU, Takashi KAMEYA, Koichi FUJIE

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 18-26 doi: 10.1007/s11783-013-0573-5

Abstract: study was to give a worldwide overview of the concentrations of typical estrogenic endocrine disrupting chemicals

Keywords： estrogenic endocrine disrupting chemicals     concentration distribution     sewage plant    

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Development of Direct Utilization Technology for CO2-Rich Natural Gas in South China Sea

Wu Qing, Yu Guangxin, Tang Xiaoling, Zhang Liangliang, Zheng Yuguo

Strategic Study of CAE 2021, Volume 23, Issue 4,   Pages 172-181 doi: 10.15302/J-SSCAE-2021.04.020

Abstract: to methanol, liquid fuel production through CO2 hydrogenation, and direct production of finechemicals.

Keywords： South China Sea     CO2-rich natural gas     dry reforming     CO2 hydrogenation     liquid fuel     fine chemicals    

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Properties of cement grout modified with ultra-fine slag

Sowmini GOPINATHAN, K B ANAND

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 58-66 doi: 10.1007/s11709-017-0383-0

Abstract: The grout mixes of the present study contain cement, ultra-fine slag (UFS), super plasticizer and waterUltra-fine slag can be used as a supplementary cementitious material in cementitious grouts in order

Keywords： cement grout     ultra-fine slag     flowability     bleeding     viscosity    

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Confinement properties of circular concrete columns wrapped with prefabricated textile-reinforced fine

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0955-0

Abstract: both reinforced concrete (RC) and plain concrete (PC) columns) and a prefabricated textile-reinforced fine

Keywords： textile-reinforced fine concrete     prefabricated shell     confined concrete column     confinement properties    

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The use of fine portions from construction and demolition waste for expansive soil stabilization: A review

Mgboawaji Claude UJILE; Samuel Jonah ABBEY

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 803-816 doi: 10.1007/s11709-022-0835-z

Abstract: Construction and demolition waste (CDW) are the largest waste products in the world today and competes as a viable recycled additive material in place of natural aggregates. Due to the increase in compressive strength of different mix proportions of CDW, it is also considered for reuse in concrete and subbase construction. This study shows the effect of CDW in expansive soil stabilization. The chemical and mechanical properties of these materials have shown that they are capable of developing compressive strength properties for replacement of cement with significant reduction in carbon emission. The inherent compositional properties of recycled CDW compared in this review suggests that CDW have good filler properties in highly expansive soils. Mixtures of crushed brick and recycled aggregates characterised based on chemical properties of different replacement ratios suggests that CDW of good-quality aggregates reduces swell potential of expansive soils and increased mechanical strength in pavement construction.

Keywords： mixed fine portions     construction and demolition waste     expansive soil     soil stabilization    

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Recycled glass replacement as fine aggregate in self-compacting concrete

Yasser SHARIFI, Mahmoud HOUSHIAR, Behnam AGHEBATI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 419-428 doi: 10.1007/s11709-013-0224-8

Abstract: Therefore, replacement of waste glass with fine aggregate in SCC should deeply be investigated comparedThe aim of the present study is to investigate the effect of glass replacement with fine aggregate onIn present study, fine aggregate has been replaced with waste glass in six different weight ratios rangingdifferent glass replacement ratios is not remarkable, thus it can be produced SCC with waste glass as fine

Keywords： Self Compacting Concrete (SCC)     recycle glass     fine aggregate     fresh and hardened properties    

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Characterization of value-added chemicals derived from the thermal hydrolysis and wet oxidation of sewage

Milan Malhotra, Anurag Garg

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1305-2

Abstract: Abstract • Hydrothermal treatment can greatly improve resource recovery from sewage sludge. • tCOD removal during WO was ~55% compared with ~23% after TH. • TOC solubilization during hydrothermal treatment followed first-order kinetics. • Solids and carbon balance confirmed loss of organics during thermal hydrolysis. • Reaction pathways for thermal hydrolysis and wet oxidation are proposed. We evaluated the effect of hydrothermal pretreatments, i.e., thermal hydrolysis (TH) and wet oxidation (WO) on sewage sludge to promote resource recovery. The hydrothermal processes were performed under mild temperature conditions (140°C–180°C) in a high pressure reactor. The reaction in acidic environment (pH= 3.3) suppressed the formation of the color imparting undesirable Maillard’s compounds. The oxidative conditions resulted in higher volatile suspended solids (VSS) reduction (~90%) and chemical oxygen demand (COD) removal (~55%) whereas TH caused VSS and COD removals of ~65% and ~27%, respectively at a temperature of 180°C. During TH, the concentrations of carbohydrates and proteins in treated sludge were 400–1000 mg/L and 1500–2500 mg/L, respectively. Whereas, WO resulted in solids solubilization followed by oxidative degradation of organics into smaller molecular weight carboxylic acids such as acetic acid (~400–500 mg/L). Based on sludge transformation products generated during the hydrothermal pretreatments, simplified reaction pathways are predicted. Finally, the application of macromolecules (such as proteins), VFAs and nutrients present in the treated sludge are also discussed. The future study should focus on the development of economic recovery methods for various value-added compounds.

Keywords： Hydrothermal pretreatment     Reaction kinetics     Reaction pathway     Sewage sludge     Thermal hydrolysis     Wet oxidation    

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Isolating higher yielding and more stable rice genotypes in stress environments: fine-tuning a selection

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023521

Abstract:

● Score index methods readily discriminate genotypes adapted to a target environment.

Keywords： Aerobic rice     breeding selection     drought resilience     production capacity index     resilience capacity index     stress score index     upland    

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Title Author Date Type Operation

Fine Chemicals in the New Century

Yang Jinzong

Journal Article

Removal of endocrine disrupting chemicals from water through urethane functionalization of microfiltration

Journal Article

Selective preparation for biofuels and high value chemicals based on biochar catalysts

Journal Article

Effect of gastric fluid on adsorption and desorption of endocrine disrupting chemicals on microplastics

Journal Article

Power-to-chemicals: sustainable liquefaction of food waste with plasma-electrolysis

Journal Article

Valorisation of protein waste: An enzymatic approach to make commodity chemicals? ?

Madura B. A. Kumar, Yuan Gao, Wei Shen, Lizhong He

Journal Article

Collaborative control of fine particles and ozone required in China for health benefit

Journal Article

Occurrence of estrogenic endocrine disrupting chemicals concern in sewage plant effluent

Yan SUN, Huang HUANG, Ying SUN, Chao WANG, Xiaolei SHI, Hongying HU, Takashi KAMEYA, Koichi FUJIE

Journal Article

Development of Direct Utilization Technology for CO2-Rich Natural Gas in South China Sea

Wu Qing, Yu Guangxin, Tang Xiaoling, Zhang Liangliang, Zheng Yuguo

Journal Article

Properties of cement grout modified with ultra-fine slag

Sowmini GOPINATHAN, K B ANAND

Journal Article

Confinement properties of circular concrete columns wrapped with prefabricated textile-reinforced fine

Journal Article

The use of fine portions from construction and demolition waste for expansive soil stabilization: A review

Mgboawaji Claude UJILE; Samuel Jonah ABBEY

Journal Article

Recycled glass replacement as fine aggregate in self-compacting concrete

Yasser SHARIFI, Mahmoud HOUSHIAR, Behnam AGHEBATI

Journal Article

Characterization of value-added chemicals derived from the thermal hydrolysis and wet oxidation of sewage

Milan Malhotra, Anurag Garg

Journal Article

Isolating higher yielding and more stable rice genotypes in stress environments: fine-tuning a selection

Journal Article