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Sustainable intensification of agriculture is key to feeding Africa in the 21st century

Shenggen FAN

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 366-370 doi: 10.15302/J-FASE-2020342

Abstract: Sustainable intensification is the only solution to tackling both environmental sustainability includingin Agricultural Green Development (AGD) can be shared with Africans when the region is pursuing its sustainableintensification strategy.

Keywords: Africa     sustainable intensification     Agricultural Green Development     climate change     malnutrition    

Towards the sustainable intensification of agriculture—a systems approach to policy formulation

Leslie G. FIRBANK

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 1,   Pages 81-89 doi: 10.15302/J-FASE-2019291

Abstract:

The sustainable intensification of agriculture involves providing sufficient food and other ecosystem

Keywords: agricultural policy     ecosystem services     indicators of sustainable intensification     knowledge exchange     land    

Sustainable intensification of agriculture in sub-Saharan Africa: first things first!

Bernard VANLAUWE, Achim DOBERMANN

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 376-382 doi: 10.15302/J-FASE-2020351

Sustainable intensification of African agriculture: a necessity, but not yet a reality

Bruno GÉRARD

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 383-389 doi: 10.15302/J-FASE-2020361

Intercropping enables a sustainable intensification of agriculture

Wopke VAN DER WERF, Chunjie LI, Wen-Feng CONG, Fusuo ZHANG

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 3,   Pages 254-256 doi: 10.15302/J-FASE-2020352

Toward sustainable intensification of agriculture in sub-Saharan Africa

Andreas BUERKERT, Eva SCHLECHT

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 401-405 doi: 10.15302/J-FASE-2020341

Abstract: off-farm livelihood opportunities, partial underpopulation and lacking experience with the concept of sustainableproduction as a major impediment for sustainable intensification of the agricultural sector.mixed-cropping systems of the Great Lakes Region show the potential of stakeholder-driven agricultural intensificationProper interpretation of these cases may provide lessons for a more widespread eco-intensification of

Keywords: colonial heritage     land use     marketing     property rights     subsistence agriculture     urbanization     value chains    

Sustainable intensification of agriculture in Africa

Antonius G.T. SCHUT, Ken E. GILLER

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 371-375 doi: 10.15302/J-FASE-2020357

Abstract: Sustainable intensification is a key component of agricultural development in Africa, urgently needed

Keywords: Green Revolution     Manihot esculenta     Musa acuminata     sub-Saharan Africa    

Agriculture Green Development: a model for China and the world

Jianbo SHEN, Qichao ZHU, Xiaoqiang JIAO, Hao YING, Hongliang WANG, Xin WEN, Wen XU, Tingyu LI, Wenfeng CONG, Xuejun LIU, Yong HOU, Zhenling CUI, Oene OENEMA, William J. DAVIES, Fusuo ZHANG

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 1,   Pages 5-13 doi: 10.15302/J-FASE-2019300

Abstract:

Realizing sustainable development has become a global priority.Recently, the United Nations launched the Sustainable Development Goals (SDGs), and the Nineteenth NationalPeople’s Congress has delivered a national strategy for sustainable development in China&mdashsolutions for realizing AGD in China, and highlights the potential changes that will lead to a more sustainableprovide important implications for the countries in developmental transition, and contribute to global sustainable

Keywords: Agriculture Green Development     food security     interdisciplinary innovations     resource use efficiency     sustainabledevelopment     sustainable intensification     whole industry chain    

Intensification of Ethylene Production from Naphtha via a Redox Oxy-Cracking Scheme: Process Simulations Article

Vasudev Pralhad Haribal,Yun Chen,Luke Neal,Fanxing Li

Engineering 2018, Volume 4, Issue 5,   Pages 714-721 doi: 10.1016/j.eng.2018.08.001

Abstract:

Ethylene production by the thermal cracking of naphtha is an energy-intensive process (up to 40 GJ heat per tonne ethylene), leading to significant formation of coke and nitrogen oxide (NOx), along with 1.8–2 kg of carbon dioxide (CO2) emission per kilogram of ethylene produced. We propose an alternative process for the redox oxy-cracking (ROC) of naphtha. In this two-step process, hydrogen (H2) from naphtha cracking is selectively combusted by a redox catalyst with its lattice oxygen first. The redox catalyst is subsequently re-oxidized by air and releases heat, which is used to satisfy the heat requirement for the cracking reactions. This intensified process reduces parasitic energy consumption and CO2 and NOx emissions. Moreover, the formation of ethylene and propylene can be enhanced due to the selective combustion of H2. In this study, the ROC process is simulated with ASPEN Plus® based on experimental data from recently developed redox catalysts. Compared with traditional naphtha cracking, the ROC process can provide up to 52% reduction in energy consumption and CO2 emissions. The upstream section of the process consumes approximately 67% less energy while producing 28% more ethylene and propylene for every kilogram of naphtha feedstock.

Keywords: Ethylene     Naphtha cracking     Process intensification     Chemical looping     Process simulations    

Process Intensification in Pneumatically Agitated Slurry Reactors Review

Shujun Geng, Zai-Sha Mao, Qingshan Huang, Chao Yang

Engineering 2021, Volume 7, Issue 3,   Pages 304-325 doi: 10.1016/j.eng.2021.03.002

Abstract: ., temperature control, reduction of back-mixing, and product separation), the process intensificationThis article starts by reviewing the latest advancements in the intensification of mixing and mass/heatIt then summarizes process-intensification methods for mixing and separation that allow continuous productionProcess-intensification technology that integrates directional flow in an ALR with simple solid&ndash

Keywords: Slurry reactors     Pneumatic agitation     Bubble column     Airlift loop reactor     Process intensification     Solid    

LAND-USE INTENSIFICATION TRENDS IN THE RIO DE LA PLATA REGION OF SOUTH AMERICA: TOWARD SPECIALIZATION

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,

Abstract:

• Current intensification trends in the Rio de la Plata need urgent re-direction.

•Case studies validate recoupling as a sustainable way to ecological intensification.specialized systems, but also because they are rare examples of reconciliation between agroecosystem intensification

Membrane Crystallization for Process Intensification and Control: A Review Review

Xiaobin Jiang, Yushan Shao, Lei Sheng, Peiyu Li, Gaohong He

Engineering 2021, Volume 7, Issue 1,   Pages 50-62 doi: 10.1016/j.eng.2020.06.024

Abstract: illustrates the basic concepts of MCr and its promising applications for crystallization control and process intensification

Keywords: Membrane crystallization     Nucleation     Process control     Process intensification    

Design and optimization of reactive distillation: a review

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 799-818 doi: 10.1007/s11705-021-2128-9

Abstract: Reactive distillation process, a representative process intensification technology, has been widely applied

Keywords: reactive distillation     process intensification     design method     reactive phase diagram     optimization algorithm    

Continuous deacylation of amides in a high-temperature and high-pressure microreactor

Frontiers of Chemical Science and Engineering doi: 10.1007/s11705-022-2182-y

Abstract: The deacylation of amides, which is widely employed in the pharmaceutical industry, is not a fast reaction under normal conditions. To intensify this reaction, a high-temperature and high-pressure continuous microreaction technology was developed, whose space-time yield was 49.4 times that of traditional batch reactions. Using the deacylation of acetanilide as a model reaction, the effects of the temperature, pressure, reaction time, molar ratio of reactants, and water composition on acetanilide conversion were carefully studied. Based on the rapid heating and cooling capabilities, the kinetics of acetanilide deacylation at high temperatures were investigated to determine the orders of reactants and activation energy. This microreaction technology was further applied to a variety of other amides to understand the influence of substituents and steric hindrance on the deacylation reaction.

Keywords: amide deacylation     microreactor     flow chemistry     reaction intensification    

Concept and requirements of sustainable development in bridge engineering

Yaojun GE, Haifan XIANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4,   Pages 432-450 doi: 10.1007/s11709-011-0126-6

Abstract: The concept of sustainability is described in this paper using a single sustainable principle, two goalsof sustainable development, three dimensions of sustainable engineering, four sustainable requirementsand five phases of sustainable construction.Four sustainable requirements and their practice in China are discussed in particular.suspension bridges and a twin parallel deck cable-stayed bridge is presented in discussing the final sustainable

Keywords: sustainable engineering     safe reliability     structural durability     functional adaptability     capacity extensibility    

Title Author Date Type Operation

Sustainable intensification of agriculture is key to feeding Africa in the 21st century

Shenggen FAN

Journal Article

Towards the sustainable intensification of agriculture—a systems approach to policy formulation

Leslie G. FIRBANK

Journal Article

Sustainable intensification of agriculture in sub-Saharan Africa: first things first!

Bernard VANLAUWE, Achim DOBERMANN

Journal Article

Sustainable intensification of African agriculture: a necessity, but not yet a reality

Bruno GÉRARD

Journal Article

Intercropping enables a sustainable intensification of agriculture

Wopke VAN DER WERF, Chunjie LI, Wen-Feng CONG, Fusuo ZHANG

Journal Article

Toward sustainable intensification of agriculture in sub-Saharan Africa

Andreas BUERKERT, Eva SCHLECHT

Journal Article

Sustainable intensification of agriculture in Africa

Antonius G.T. SCHUT, Ken E. GILLER

Journal Article

Agriculture Green Development: a model for China and the world

Jianbo SHEN, Qichao ZHU, Xiaoqiang JIAO, Hao YING, Hongliang WANG, Xin WEN, Wen XU, Tingyu LI, Wenfeng CONG, Xuejun LIU, Yong HOU, Zhenling CUI, Oene OENEMA, William J. DAVIES, Fusuo ZHANG

Journal Article

Intensification of Ethylene Production from Naphtha via a Redox Oxy-Cracking Scheme: Process Simulations

Vasudev Pralhad Haribal,Yun Chen,Luke Neal,Fanxing Li

Journal Article

Process Intensification in Pneumatically Agitated Slurry Reactors

Shujun Geng, Zai-Sha Mao, Qingshan Huang, Chao Yang

Journal Article

LAND-USE INTENSIFICATION TRENDS IN THE RIO DE LA PLATA REGION OF SOUTH AMERICA: TOWARD SPECIALIZATION

Journal Article

Membrane Crystallization for Process Intensification and Control: A Review

Xiaobin Jiang, Yushan Shao, Lei Sheng, Peiyu Li, Gaohong He

Journal Article

Design and optimization of reactive distillation: a review

Journal Article

Continuous deacylation of amides in a high-temperature and high-pressure microreactor

Journal Article

Concept and requirements of sustainable development in bridge engineering

Yaojun GE, Haifan XIANG

Journal Article