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A road-map for energy-neutral wastewater treatment plants of the future based on compact technologies

Hallvard Ødegaard

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0835-0

Abstract: In the paper concepts for wastewater treatment of the future are discussed by the use of a) one flow diagram based on established, compact, proven technologies (i.e. nitrification/denitrification for N-removal in the mainstream) and b) one flow diagram based on emerging, compact technologies (i.e. de-ammonification in the main stream).The latter (b) will give an energy-neutral wastewater treatment plant, while this cannot be guaranteed for the first one (a). The example flow diagrams show plant concepts that a) minimize energy consumption by using compact biological and physical/chemical processes combined in an optimal way, for instance by using moving bed biofilm reactor (MBBR) processes for biodegradation and high-rate particle separation processes, and de-ammonification processes for N-removal and b)maximize energy (biogas) production through digestion by using wastewater treatment processes that minimize biodegradation of the sludge (prior to digestion) and pretreatment of the sludge prior to digestion by thermal hydrolysis. The treatment plant of the future should produce a water quality (for instance bathing water quality) that is sufficient for reuse of some kind (toilet flushing, urban use, irrigation etc.). The paper outlines compact water reclamation processes based on ozonation in combination with coagulation as pretreatment before ceramic membrane filtration. In the paper concepts for domestic wastewater treatment plants of the future are discussed by the use of a) one flow diagram based on established, compact, proven technologies (i.e. nitrification/denitrification for N-removal in the mainstream) and b) one flow diagram based on emerging, compact technologies (i.e. de-ammonification in the main stream).The latter (b) will give an energy-neutral wastewater treatment plant, while this cannot be guaranteed for the first one (a). The example flow diagrams show plant concepts that a) minimize energy consumption by using compact biological and physical/chemical processes combined in an optimal way, for instance by using moving bed biofilm reactor (MBBR) processes for biodegradation and high-rate particle separation processes, and de-ammonification processes for N-removal and b)maximize energy (biogas) production through digestion by using wastewater treatment processes that minimize biodegradation of the sludge (prior to digestion) and pretreatment of the sludge prior to digestion by thermal hydrolysis. The treatment plant of the future should produce a water quality (for instance bathing water quality) that is sufficient for reuse of some kind (toilet flushing, urban use, irrigation etc.). The paper outlines compact water reclamation processes based on ozonation in combination with coagulation as pretreatment before ceramic membrane filtration.

Keywords： China concept WWTP     Energy-neutrality     De-ammonification     moving bed biofilm reactor (MBBR)    

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Development Strategy of High Temperature Gas Cooled Reactor in China

Zhang Zuoyi, Wu Zongxin, Wang Dazhong, Tong Jiejuan

Strategic Study of CAE 2019, Volume 21, Issue 1,   Pages 12-19 doi: 10.15302/J-SSCAE-2019.01.003

Abstract: the technical characteristics of HTGR and reviews the recent research and development status of HTGR technologyIt also discusses the strategic positioning of HTGR in China and looks ahead to the HTGR technology developmentroad map in China.design of 600 MW pebble bed HTGR (HTR-PM600), so as to further promote industrialization of the HTGR technology

Keywords： high temperature gas cooled reactor     very high temperature     technology road map    

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Progress and Consideration of High Precision Road Navigation Map

Liu Jingnan,Wu Hangbin,Guo Chi,Zhang Hongmin,Zuo Wenwei,Yang Cheng

Strategic Study of CAE 2018, Volume 20, Issue 2,   Pages 99-105 doi: 10.15302/J-SSCAE-2018.02.015

Abstract: High precision road navigation maps can provide more detailed road information and are thus able to moreFirst, they include additional map layers. Second, the content of the layers is finer.Third, a new map structure is divided.involving "crowdsourcing + edge computing" to address the problem of high precision mapAt present, high precision road navigation maps have kicked into a high gear.

Keywords： high precision road navigation map     “Internet Plus” intelligent transportation     unmanned systems     crowdsourcing    

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Study on road network model based on virtual node joint

Zhu Zhuangsheng,Wang Qing,Wan Dejun

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 83-87

Abstract:

The road network in the real world has been showed by the road networkIt is the first time that a novel road network model,that is,the road network model based on virtualThe novel model adops virtual node to show multi-road converging area,and the virtual node is an areawhich is made up of converging roads first or last point,and has the same shape as road crossing.node joint,and satisfies the demand of the map matching theory better.

Keywords： traffic engineering     virtual node     road network model     map matching     transportation planning    

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Marine Science and Technology Innovation for the Polar Silk Road

Li Dahai, Zhang Yingnan

Strategic Study of CAE 2019, Volume 21, Issue 6,   Pages 64-70 doi: 10.15302/J-SSCAE-2019.06.012

Abstract:

The co-construction of the “Polar Silk Road” is an importantwhite paper titled China’s Arctic Policy and the relevant principles for the “Polar Silk Roadresearch, biological and ecological systems, pollution control, response to climate change, shipping technology, and oil and gas development technology.To promote the scientific and technological innovation for the “Polar Silk Road”, China should

Keywords： Polar Silk Road     marine science and technology     ocean     the Belt and Road    

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Multi-objective dynamic optimization model for China’s road transport energy technology switching

Dan GAO , Zheng LI , Feng FU , Linwei MA

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 247-253 doi: 10.1007/s11708-009-0048-3

Abstract: Deducting the future switching of the road transport energy technology is one of the key preconditionsfor relative technology development planning.In this paper, a dynamic optimization model was established, which can be used to analyze the road transportenergy technology switching under multi-objective constrains.

Keywords： technology switching     transport energy system     multi-objective     CO2 mitigation    

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Supporting the Belt and Road Construction Through Engineering Science and Technology

Huang Haixia, Sun Yongfu, Wang Liheng, Zhang Jun

Strategic Study of CAE 2019, Volume 21, Issue 4,   Pages 1-6 doi: 10.15302/J-SSCAE-2019.04.001

Abstract:

The Belt and Road initiative is China’s plan to build a communityEngineering technology has played an important supporting role in the Belt and Road construction, especiallythe Belt and Road construction; outlines the strategic goals and overall tasks in various stages beforeengineering science and technology” and its corresponding safeguard measures.Belt and Road construction, including development of a system of key technologies, frontier and high

Keywords： the Belt and Road，engineering science and technology，2035，development strategy    

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China-Laos Cooperation in Agricultural Science and Technology under the Belt and Road Initiative

Chang Huayi , Zhang Junbiao , Zhang Huijie , Wei Xianheng , Fu Tingdong

Strategic Study of CAE 2019, Volume 21, Issue 4,   Pages 100-104 doi: 10.15302/J-SSCAE-2019.04.012

Abstract:

With the continuous advancement of the Belt and Road Initiative, China–Laos cooperation in agricultural science and technology has been deepening.evolved to national agricultural cooperative demonstration bases that aim to demonstrate high-level technologyeffective advice for the agricultural cooperation among Southeast Asian countries under the Belt and Road

Keywords： the Belt and Road     agricultural science and technology cooperation     Laos    

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People-to-people and Cultural Exchanges in Engineering Technology along the Belt and Road and Status

Yao Wei , Hu Shunshun , Niu Feng

Strategic Study of CAE 2019, Volume 21, Issue 4,   Pages 111-117 doi: 10.15302/J-SSCAE-2019.04.017

Abstract:

The people-to-people and cultural exchanges in the engineering technologypaper first introduces the connotation of people-to-people and cultural exchanges in the engineering technologyenterprises participation, then studies the status quo of participation of key enterprises along the Belt and Road

Keywords： the Belt and Road     people-to-people and cultural exchanges     engineering science and technology     enterprises    

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Bandwidth-limited active suspension controller for an off-road vehicle based on co-simulation technology

FENG Jinzhi, ZHENG Songlin, YU Fan

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 111-117 doi: 10.1007/s11465-008-0020-7

Abstract: process of a controller for bandwidth-limited active hydro-pneumatic suspension employed by an off-roadvehicle based on co-simulation technology.

Keywords： co-simulation technology     exchange interface     conventional     bandwidth-limited     algorithm    

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Strengthening the Rise of the 21st-Century Maritime Silk Road Strategic Pivot

Zhang Dayong

Strategic Study of CAE 2016, Volume 18, Issue 2,   Pages 105-110 doi: 10.15302/J-SSCAE-2016.02.013

Abstract:

The strategic pivot of the 21st-Century Maritime Silk Road refers to China's policy of bolsteringbilateral trade, science and technology, and cultural cooperation between itself and the silk road countriesrecent years, a broad range of fruitful cooperation has become a reality between China and the silk roadThis paper also advances some policy recommendations for the 21st-Century Maritime Silk Road such as

Keywords： 21st-Century Maritime Silk Road     strategy pivot     economy and trade cooperation     science and technology    

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Engineering Technology Cooperation in Energy and Resource Industry along the Belt and Road

Wang Yusheng, Shen Yuxin, Li Junwang, Wang Jun, Cheng Lei, Huang Weihe

Strategic Study of CAE 2019, Volume 21, Issue 4,   Pages 22-26 doi: 10.15302/J-SSCAE-2019.04.006

Abstract: The countries along the Belt and Road are rich of diverse energy resources, which complements China wellEnergy and resource cooperation is an important part of the development of the Belt and Road, and isThis paper reviews the basis for China’s participation in engineering technology cooperation inthe energy and resource industries of the Belt and Road, analyzes the problems in the cooperation, studies

Keywords： the Belt and Road，energy and resources，engineering technology，cooperation proposals    

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Control of Velocity-Constrained Stepper Motor-Driven Hilare Robot for Waypoint Navigation Article

Robins Mathew,Somashekhar S. Hiremath

Engineering 2018, Volume 4, Issue 4,   Pages 491-499 doi: 10.1016/j.eng.2018.07.013

Abstract:

Finding an optimal trajectory from an initial point to a final point through closely packed obstacles, and controlling a Hilare robot through this trajectory, are challenging tasks. To serve this purpose, path planners and trajectory-tracking controllers are usually included in a control loop. This paper highlights the implementation of a trajectory-tracking controller on a stepper motor-driven Hilare robot, with a trajectory that is described as a set of waypoints. The controller was designed to handle discrete waypoints with directional discontinuity and to consider different constraints on the actuator velocity. The control parameters were tuned with the help of multi-objective particle swarm optimization to minimize the average cross-track error and average linear velocity error of the mobile robot when tracking a predefined trajectory. Experiments were conducted to control the mobile robot from a start position to a destination position along a trajectory described by the waypoints. Experimental results for tracking the trajectory generated by a path planner and the trajectory specified by a user are also demonstrated. Experiments conducted on the mobile robot validate the effectiveness of the proposed strategy for tracking different types of trajectories.

Keywords： tracking     Adaptive control     Waypoint navigation     Hilare robot     Particle swarm optimization     Probabilistic roadmap    

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Research on the strategic status and development road map of renewable energy in China

Du Xiangwan,Huang Qili,Li Junfeng,Gao Hu

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 4-9

Abstract: Renewable energy is a kind of technology with small environmental costs,clear developing prospects and

Keywords： China     renewable energy (RE) resource     development target     renewable energy development roadmap    

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Development of Highway Traffic Infrastructure along the Belt and Road

Lei Yang, Ma Junhai, Zhang Yuchun, Huang Chengfeng, Zhou Jianting, Wu Hongbo

Strategic Study of CAE 2019, Volume 21, Issue 4,   Pages 14-21 doi: 10.15302/J-SSCAE-2019.04.010

Abstract: style="text-align: justify;"> The economic, societal, and natural environments of the Belt and Roadengineering proposals for the highway traffic infrastructure of main economic corridors along the Belt and Road

Keywords： the Belt and Road，highway，engineering technology，infrastructure    

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Title Author Date Type Operation

A road-map for energy-neutral wastewater treatment plants of the future based on compact technologies

Hallvard Ødegaard

Journal Article

Development Strategy of High Temperature Gas Cooled Reactor in China

Zhang Zuoyi, Wu Zongxin, Wang Dazhong, Tong Jiejuan

Journal Article

Progress and Consideration of High Precision Road Navigation Map

Liu Jingnan,Wu Hangbin,Guo Chi,Zhang Hongmin,Zuo Wenwei,Yang Cheng

Journal Article

Study on road network model based on virtual node joint

Zhu Zhuangsheng,Wang Qing,Wan Dejun

Journal Article

Marine Science and Technology Innovation for the Polar Silk Road

Li Dahai, Zhang Yingnan

Journal Article

Multi-objective dynamic optimization model for China’s road transport energy technology switching

Dan GAO , Zheng LI , Feng FU , Linwei MA

Journal Article

Supporting the Belt and Road Construction Through Engineering Science and Technology

Huang Haixia, Sun Yongfu, Wang Liheng, Zhang Jun

Journal Article

China-Laos Cooperation in Agricultural Science and Technology under the Belt and Road Initiative

Chang Huayi , Zhang Junbiao , Zhang Huijie , Wei Xianheng , Fu Tingdong

Journal Article

People-to-people and Cultural Exchanges in Engineering Technology along the Belt and Road and Status

Yao Wei , Hu Shunshun , Niu Feng

Journal Article

Bandwidth-limited active suspension controller for an off-road vehicle based on co-simulation technology

FENG Jinzhi, ZHENG Songlin, YU Fan

Journal Article

Strengthening the Rise of the 21st-Century Maritime Silk Road Strategic Pivot

Zhang Dayong

Journal Article

Engineering Technology Cooperation in Energy and Resource Industry along the Belt and Road

Wang Yusheng, Shen Yuxin, Li Junwang, Wang Jun, Cheng Lei, Huang Weihe

Journal Article

Control of Velocity-Constrained Stepper Motor-Driven Hilare Robot for Waypoint Navigation

Robins Mathew,Somashekhar S. Hiremath

Journal Article

Research on the strategic status and development road map of renewable energy in China

Du Xiangwan,Huang Qili,Li Junfeng,Gao Hu

Journal Article

Development of Highway Traffic Infrastructure along the Belt and Road

Lei Yang, Ma Junhai, Zhang Yuchun, Huang Chengfeng, Zhou Jianting, Wu Hongbo

Journal Article