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Possible solutions for sludge dewatering in China

Wei WANG, Yuxiang LUO, Wei QIAO,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 102-107 doi: 10.1007/s11783-010-0001-z

Abstract: In China, over 1.43×10 tons of dewatered sewage sludge, with 80% water content, were generated fromAbout 60% of the COD removed during the wastewater treatment process becomes concentrated as sludge.The present status of sludge treatment and disposal methodology is introduced in this paper.and economic sludge disposal.In an analysis of sludge water distribution, thermal drying and hydrothermal conditioning processes are

Keywords： sewage sludge disposal     water content     thermal drying     hydrothermal conditioning    

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Improvement of sludge dewaterability with modified cinder via affecting EPS

Weichao Ma, Lei Zhao, Huiling Liu, Qianliang Liu, Jun Ma

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0967-x

Abstract: The relationship between the improvement of sludge dewaterability and variation of organic matters hasbeen studied in the process of sludge pre-conditioning with modified cinder, especially for extracellularpolymeric substances (EPS) in the sludge.During the conditioning process, the decreases of total organic carbon (TOC) and soluble chemical oxygenThe reconstruction of “floc mass” was confirmed as the main sludge conditioning mechanism.

Keywords： Sludge conditioning     Acid or alkali modified cinder     TB-EPS     Floc mass     Floc reconstruction    

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Upgrading VFAs bioproduction from waste activated sludge via co-fermentation with soy sauce residue

Yanqing Duan, Aijuan Zhou, Kaili Wen, Zhihong Liu, Wenzong Liu, Aijie Wang, Xiuping Yue

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1086-7

Abstract:

SSR addition upgraded VFAs production from WAS.

Structure modification by pretreatments led to performance distinctions.

Distinctions in microbial community was observed by pretreatments selection.

Up to 0.49‒0.65 billion €/year of market value potential was preliminary estimated.

Keywords： Waste activated sludge (WAS)     Soy sauce residue (SSR)     Sludge conditioning     Volatile fatty acids (VFAs)    

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Investigation on regeneration and energy storage characteristics of a solar liquid desiccant air-conditioning

SHI Mingheng, DU Bin, ZHAO Yun

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 85-90 doi: 10.1007/s11708-007-0008-8

Abstract: Solar liquid desiccant air-conditioner is a new air-conditioning system in which liquid desiccant canA principal solar liquid desiccant air-conditioning system under energy storage operating mode is proposed

Keywords： desiccant air-conditioning     regeneration process     air-conditioning system     energy     regeneration    

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New developments in mobile air conditioning systems in China

Jiangping CHEN, Yu ZHAO, Zhaogang QI

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 53-58 doi: 10.1007/s11708-010-0137-3

Abstract: Global warming poses serious global concerns, and the mobile air conditioning (MAC) industry must be

Keywords： global warming potential     mobile air conditioning (MAC)     energy saving     new developments    

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Experimental investigation on desiccant air-conditioning system in India

Vijay MITTAL, B. Kant KHAN,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 161-165 doi: 10.1007/s11708-009-0070-5

Abstract: investigation in India was presented to evaluate the performance and energy saving capacity of a desiccant air-conditioningAs expected, simple economic analysis indicates that the desiccant air-conditioning is not viable for

Keywords： air ratios     ambient conditions     desiccant air-conditioning     silica gel    

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Interactions between remote ischemic conditioning and post-stroke sleep regulation

Frontiers of Medicine 2021, Volume 15, Issue 6,   Pages 867-876 doi: 10.1007/s11684-021-0887-9

Abstract: As a multi-targeted nonpharmacological intervention, remote ischemic conditioning can reduce the ischemicOn the basis of the common mechanisms of remote ischemic conditioning and sleep regulation, a causalrelationship was proposed between remote ischemic conditioning and post-stroke sleep quality.

Keywords： remote ischemic conditioning     sleep regulation     stroke    

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Research progress in liquid desiccant air-conditioning devices and systems

Xiaohua LIU, Yi JIANG, Shuanqiang LIU, Xiaoyang CHEN,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 55-65 doi: 10.1007/s11708-009-0082-1

Abstract: The developments on liquid desiccant air-conditioning systems were illustrated and summarized in thisThe liquid desiccant air processor-based temperature and humidity-independent control air-conditioningsystem could save 20%–30% operating energy compared with the conventional air-conditioning system

Keywords： liquid desiccant     heat and mass transfer     performance     air-conditioning    

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Engine-driven hybrid air-conditioning system

Chaokui QIN , Hongmei LU , Xiong LIU , Gerhard SCHMITZ ,

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 109-116 doi: 10.1007/s11708-009-0003-3

Abstract: A hybrid air-conditioning system that combines an engine-driven chiller with desiccant dehumidification

Keywords： engine-driven chiller     desiccant wheel     hybrid air-conditioning system     energy consumption    

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concept of capillary active, dynamic insulation integrated with heating, cooling and ventilation, air conditioning

Mark BOMBERG

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 431-437 doi: 10.1007/s11709-010-0071-9

Abstract: This happens when such insulation is integrated with heating, cooling and ventilation, air conditioning

Keywords： capillary active insulation     integrated heating     cooling and ventilation     air conditioning (HVAC) and building    

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Comparison between inhibitor and uncoupler for minimizing excess sludge production of an activated sludge

CHEN Guowei, XI Pengge, XU Deqian, YU Hanqing

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 63-66 doi: 10.1007/s11783-007-0012-6

Abstract: In order to study the minimization of excess sludge production, the reduction in the excess sludge productionThe experimental results show that such an addition could effectively reduce the production of excess sludgeestablished in this work, energy uncoupling coefficient () was used to evaluate the reduction in excess sludgepresence of dNP, and that dNP was an effective uncoupler for reducing the production of excess activated sludge

Keywords： uncoupling coefficient     Cu     minimization     presence     uncoupling    

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Experimental investigation on oil-gas separator of air-conditioning systems

Dianbo XIN,Shuliang HUANG,Song YIN,Yuping DENG,Wenqiang ZHANG

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 411-416 doi: 10.1007/s11708-017-0447-9

Abstract: The oil-return system plays an important role in the variable refrigerant flow (VRF) systems because it ensures the reliable operation of the VRF systems. The oil-gas separator is the most essential component of the oil-return system, and the separation efficiency of the separator directly influences the performance of the VRF systems. Therefore, in this paper, a test rig was built to measure the oil discharge ratio of the compressor and the separation efficiency of the oil-gas separator. A sound velocity transducer was used to measure the oil mass concentration instantaneously, because the sound velocity was changed with the mass ratio of oil to refrigerant. The separation efficiency of the separator could be obtained by comparing the mass fraction of oil to refrigerant before and after the separator was connected to the system.

Keywords： variable refrigerant flow system     oil-gas separator     separation efficiency    

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Cardiac Remote Conditioning and Clinical Relevance: All Together Now! Review

Kristin Luther,Yang Song,Yang Wang,Xiaoping Ren,W. Keith Jones

Engineering 2015, Volume 1, Issue 4,   Pages 490-499 doi: 10.15302/J-ENG-2015117

Abstract: during, or immediately after myocardial ischemia—known as remote ischemic pre-, per-, and post-conditioningTaking together much of the data in the literature, we propose that all of these cardioprotective “conditioning” phenomena represent activation from different entry points of a cardiac conditioning networkNervous system pathways may represent a novel mechanism for initiating conditioning of the heart andnociceptive stimuli is emerging as a potential non-ischemic and non-traumatic means to initiate cardiac conditioning

Keywords： remote cardioprotection     cardiac conditioning     non-ischemic conditioning     peripheral nociceptive stimulus    

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Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1488-1

Abstract:

• Adding kaolin/zeolite promotes the formation of stable heavy metals.

Keywords： Co-pyrolysis     Sewage sludge     Heavy metals     Rotary kiln     Immobilization mechanism    

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Cultivation of aerobic granular sludge in a conventional, continuous flow, completely mixed activatedsludge system

Xi CHEN,Linjiang YUAN,Wenjuan LU,Yuyou LI,Pei LIU,Kun NIE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 324-333 doi: 10.1007/s11783-014-0627-3

Abstract: Aerobic granules were formed in a conventional, continuous flow, completely mixed activated sludge systemThe reactor was inoculated with seed sludge containing few filaments and fed with synthetic municipalThe settling time of the sludge and the average dissolved oxygen (DO) of the reactor were 2 h and 4.2The reactor was agitated by a stirrer, with a speed of 250 r·min , to ensure good mixing．The granular sludgehad good settleability, and the sludge volume index (SVI) was between 50 and 90 mL·g .

Keywords： aerobic granular sludge     completely mixed activated sludge system (CMAS)     continuous flow     shear force     filamentous    

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Title Author Date Type Operation

Possible solutions for sludge dewatering in China

Wei WANG, Yuxiang LUO, Wei QIAO,

Journal Article

Improvement of sludge dewaterability with modified cinder via affecting EPS

Weichao Ma, Lei Zhao, Huiling Liu, Qianliang Liu, Jun Ma

Journal Article

Upgrading VFAs bioproduction from waste activated sludge via co-fermentation with soy sauce residue

Yanqing Duan, Aijuan Zhou, Kaili Wen, Zhihong Liu, Wenzong Liu, Aijie Wang, Xiuping Yue

Journal Article

Investigation on regeneration and energy storage characteristics of a solar liquid desiccant air-conditioning

SHI Mingheng, DU Bin, ZHAO Yun

Journal Article

New developments in mobile air conditioning systems in China

Jiangping CHEN, Yu ZHAO, Zhaogang QI

Journal Article

Experimental investigation on desiccant air-conditioning system in India

Vijay MITTAL, B. Kant KHAN,

Journal Article

Interactions between remote ischemic conditioning and post-stroke sleep regulation

Journal Article

Research progress in liquid desiccant air-conditioning devices and systems

Xiaohua LIU, Yi JIANG, Shuanqiang LIU, Xiaoyang CHEN,

Journal Article

Engine-driven hybrid air-conditioning system

Chaokui QIN , Hongmei LU , Xiong LIU , Gerhard SCHMITZ ,

Journal Article

concept of capillary active, dynamic insulation integrated with heating, cooling and ventilation, air conditioning

Mark BOMBERG

Journal Article

Comparison between inhibitor and uncoupler for minimizing excess sludge production of an activated sludge

CHEN Guowei, XI Pengge, XU Deqian, YU Hanqing

Journal Article

Experimental investigation on oil-gas separator of air-conditioning systems

Dianbo XIN,Shuliang HUANG,Song YIN,Yuping DENG,Wenqiang ZHANG

Journal Article

Cardiac Remote Conditioning and Clinical Relevance: All Together Now!

Kristin Luther,Yang Song,Yang Wang,Xiaoping Ren,W. Keith Jones

Journal Article

Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Journal Article

Cultivation of aerobic granular sludge in a conventional, continuous flow, completely mixed activatedsludge system

Xi CHEN,Linjiang YUAN,Wenjuan LU,Yuyou LI,Pei LIU,Kun NIE

Journal Article