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Offshore polymer flooding supporting technology

Liu Zongzhao,Liu Fuhai,Yi Fei,Huang Bo,Sun Yanping,Wang Chengsheng、Liu Ming

Strategic Study of CAE 2011, Volume 13, Issue 5,   Pages 50-52

Abstract: These technologies were applied in Bohai Oilfield and showed obvious effects in increasing oil precipitation

Keywords： offshore oil     polymer flooding     the supporting technology     increasing oil recovery    

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pseudo-Janus silica/surfactant assembly and their application to stabilize Pickering emulsions and enhance oilrecovery

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7,   Pages 1101-1113 doi: 10.1007/s11705-021-2095-1

Abstract: Recently, Janus nanoparticles exhibited tremendous potential in enhanced oil recovery (EOR) due to theirbehavior between hydrophilic nanoparticles (SiO2@NH2) and OTAB molecules at the oilexcellent salt and temperature tolerances (10000 mg∙L–1, 90 °C) significantly improved the oilrecovery in the single-tube (more than 17%) and double-tube (more than 25%) sand pack model flooding

Keywords： Janus nanoparticles     surfactant     double phase inversion     self-assembly     enhanced oil recovery    

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Feasibility study on hot dry rock assisted oil recovery technique

Wang Xuezhong

Strategic Study of CAE 2011, Volume 13, Issue 3,   Pages 104-106

Abstract: Also we need to reduce formation damage, so we launched hot dry rock(HDR) assisted oil recovery feasibilityHDR assisted oil recovery extracted heat reservoir of underground thermal energy by hot dry rock to reduceThe technical support facilities regardless of drilling deep or heavy oil thermal recovery technologiesStudies have shown that hot dry rock assisted oil recovery technology had strong pertinence and effectivelyIt is advised that hot dry rock assisted oil recovery pilot test should be carried out firstly in the

Keywords： hot fry rock assist oil recovery     damage by cold water     thermal heavy oil     hot water injection     aquathermolysis    

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A review on the application of nanofluids in enhanced oil recovery

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1165-1197 doi: 10.1007/s11705-021-2120-4

Abstract: Enhanced oil recovery (EOR) has been widely used to recover residual oil after the primary or secondaryoil recovery processes.Compared to conventional methods, chemical EOR has demonstrated high oil recovery and low operationalNanofluids have received extensive attention owing to their advantages of low cost, high oil recovery, resulting in a decrease in the viscosity of oil, which helps in oil recovery.

Keywords： nanofluid     EOR mechanism     nanoparticle adsorption     interface property     internal property    

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Carbon Sequestration through CO2 Foam-Enhanced Oil Recovery: A Green Chemistry Perspective Perspective

Jennifer A. Clark, Erik E. Santiso

Engineering 2018, Volume 4, Issue 3,   Pages 336-342 doi: 10.1016/j.eng.2018.05.006

Abstract:

Enhanced oil recovery (EOR) via carbon dioxide (CO2) flooding has received a considerable

Keywords： Surfactants     Nanoparticles     Carbon sequestration     Enhanced oil recovery    

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Predicting the yield of pomegranate oil from supercritical extraction using artificial neural networks

J. Sargolzaei, A. Hedayati Moghaddam

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 357-365 doi: 10.1007/s11705-013-1336-3

Abstract: to develop an effective intelligent system to predict the effects of temperature and pressure on an oilPomegranate oil was extracted using a supercritical CO (SC-CO ) process.

Keywords： oil recovery     artificial intelligence     extraction     neural networks     supercritical extraction    

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Study on reformulation of fluid catalytic cracking gasoline and increasing production of light olefins

YAN Pingxiang, MENG Xianghai, GAO Jinsen, XU Chunming, SUI Zhiyu

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 74-79 doi: 10.1007/s11705-008-0016-1

Abstract: The effects of reaction temperature, mass ratio of catalyst to oil, space velocity, and mass ratio ofwater to oil on the product distribution, the yields of light olefins (light olefins including ethyleneFurthermore, higher reaction temperature, higher mass ratio of catalyst to oil, higher mass ratio ofwater to oil, and lower space velocity were found to be beneficial to FCC gasoline reformulation and
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Influence of increasing numbers of RE-inverters on the power quality in the distribution grids: A PQ

Przemyslaw JANIK, Grzegorz KOSOBUDZKI, Harald SCHWARZ

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 155-167 doi: 10.1007/s11708-017-0469-3

Abstract: This paper presents the selected power quality (PQ) indicia of a wind generator and a photovoltaic installation considered to be the representative of medium voltage and low voltage distribution grids. The analysis of measured values suggests that the decrease in PQ is a case of specific combination of distributed generation, grid parameters and load behaviour. Modern generators have a limited impact on PQ. On the other hand, fluctuations in power generation are regarded as an emerging PQ indicator. The growing number of distributed renewable installations causes stochastic, variable, and hardly predictable power flows in the distribution grid. The nature of fluctuations in wind and solar generation is different. In both cases, new indexes for the quantification of fluctuations are needed and are yet not standardised. Proper assessment of these fluctuations enables definition of useful fluctuation limits and rules for optimal storage system integration.

Keywords： power quality     harmonics     sags     photovoltaic(PV) system     doubly feed induction generator (DFIG)     inverters    

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Design and application of a novel coal-fired drum boiler using saline water in heavy oil recovery

Junping GU, Yuxin WU, Liping WU, Man ZHANG, Hairui YANG, Junfu LYU

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 715-725 doi: 10.1007/s11708-020-0690-3

Abstract: generated for the better performance of the steam assisted gravity drainage (SAGD) technology in heavy oilrecovery.With the present technology, the treated recovery wastewater can be reused in steam-injection boilersBesides, the heavy oil recovery efficiency is significantly improved.

Keywords： drum steam injection boiler     natural circulation     recovery wastewater     staged evaporation     circulating fluidized    

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Breeding strategies for increasing yield potential in super hybrid rice

Shihua CHENG,Xiaodeng ZHAN,Liyong CAO

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 277-282 doi: 10.15302/J-FASE-2015081

Abstract: Super hybrid rice breeding is a new breeding method combining semi-dwarf breeding and heterosis breeding using germplasm and gene-environment interactions. This paper reviews the breeding strategies of super hybrid rice breeding in China, focusing on the utilization of heterosis of indica and japonica subspecies, construction of ideal plant architecture and pyramiding of disease resistant genes in restorer lines. To develop super hybrid rice, considerable effort should be made to explore genes related with high yield, good quality, resistance to pests and diseases, tolerance to stresses. Molecular breeding methods in combination with crossing techniques should be adopted in super hybrid rice breeding.

Keywords： super hybrid rice     breeding strategies     yield potential    

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Study of mechanism of activating flux increasing weld penetration of AC A-TIG welding for aluminum alloy

HUANG Yong, FAN Ding, FAN Qinghua

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 442-447 doi: 10.1007/s11465-007-0076-9

Abstract: When multi-component flux AF305 is used as surface activating flux for an aluminum alloy, the weld pene tration of activating flux-tungsten inert-gas (A-TIG) welding is over two times more than that of conventional TIG welding. Using A-TIG welding with the modes of alternating current (AC), direct current electrode negative (DCEN) and direct current electrode positive (DCEP), respectively, the flux differently affects weld penetration when the polarity is different. After studied the effect of compelled arc con striction on weld penetration of AC welding, it is believed that the constriction of the whole arc root is not the main mechanism that flux AF305 dramatically improves weld penetration. The penetration has a relationship with the separate distribution of slag on the weld surface. Then, an observation of scanning electron microscopy (SEM) and an electronic data systems (EDS) analysis of slag were performed respectively. The separate distribution of slag on the weld pool during welding and the great constriction of arc spots were confirmed by TIG welding with helium shielding gas. The relationship between slag distribution and weld penetration was studied by adding aluminum powder into flux AF305 to change the distribution of slag. During welding, the separate distribution of slag on the weld pool results in the great constriction of arc spots, an increase in arc spot force, and an increase in Lorentz force within the arc and weld pool. Finally, the weld penetration is increased.

Keywords： A-TIG welding     surface     DCEN     electrode negative     increase    

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Improved resilience measure for component recovery priority in power grids

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 545-556 doi: 10.1007/s42524-021-0161-5

Abstract: Consequently, the quick recovery of power grids after disasters has become a new research direction.The recovery priority of failed components after a disaster is determined according to the influenceResult shows that the recovery priorities of components with different importance measures vary.

Keywords： resilience measure     power grid     importance measure     component recovery    

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Technologies for pollutant removal and resource recovery from blackwater: a review

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1683-3

Abstract:

● Blackwater is the main source of organics and nutrients in domestic wastewater.

Keywords： Blackwater     Water-flushing toilet     Sanitation     Nutrient recovery     Water reuse     Sustainable development    

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Dissolved methane in anaerobic effluent: Emission or recovery?

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-022-1537-4

Abstract: Although several dissolved methane recovery methods have been developed, their engineering feasibilityperspective, we thus intend to offer additional insights into the cost-benefit of dissolved methane recovery

Keywords： Anaerobic treatment     Municipal wastewater     Dissolved methane     Methane recovery     Carbon emission    

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Increasing significance of advanced physical/chemical processes in the development and application of

RULKENS Wim

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 385-396 doi: 10.1007/s11783-008-0073-1

Abstract: Currently, there is an increasing need for the beneficial reuse of treated wastewater and to recovermicrobiological treatment processes, achievement of the high quality required for reuse of the effluent, recovery

Keywords： control     beneficial     valuable     scarcity     Development    

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Title Author Date Type Operation

Offshore polymer flooding supporting technology

Liu Zongzhao,Liu Fuhai,Yi Fei,Huang Bo,Sun Yanping,Wang Chengsheng、Liu Ming

Journal Article

pseudo-Janus silica/surfactant assembly and their application to stabilize Pickering emulsions and enhance oilrecovery

Journal Article

Feasibility study on hot dry rock assisted oil recovery technique

Wang Xuezhong

Journal Article

A review on the application of nanofluids in enhanced oil recovery

Journal Article

Carbon Sequestration through CO2 Foam-Enhanced Oil Recovery: A Green Chemistry Perspective

Jennifer A. Clark, Erik E. Santiso

Journal Article

Predicting the yield of pomegranate oil from supercritical extraction using artificial neural networks

J. Sargolzaei, A. Hedayati Moghaddam

Journal Article

Study on reformulation of fluid catalytic cracking gasoline and increasing production of light olefins

YAN Pingxiang, MENG Xianghai, GAO Jinsen, XU Chunming, SUI Zhiyu

Journal Article

Influence of increasing numbers of RE-inverters on the power quality in the distribution grids: A PQ

Przemyslaw JANIK, Grzegorz KOSOBUDZKI, Harald SCHWARZ

Journal Article

Design and application of a novel coal-fired drum boiler using saline water in heavy oil recovery

Junping GU, Yuxin WU, Liping WU, Man ZHANG, Hairui YANG, Junfu LYU

Journal Article

Breeding strategies for increasing yield potential in super hybrid rice

Shihua CHENG,Xiaodeng ZHAN,Liyong CAO

Journal Article

Study of mechanism of activating flux increasing weld penetration of AC A-TIG welding for aluminum alloy

HUANG Yong, FAN Ding, FAN Qinghua

Journal Article

Improved resilience measure for component recovery priority in power grids

Journal Article

Technologies for pollutant removal and resource recovery from blackwater: a review

Journal Article

Dissolved methane in anaerobic effluent: Emission or recovery?

Journal Article

Increasing significance of advanced physical/chemical processes in the development and application of

RULKENS Wim

Journal Article