Results 11 to 20 of about 2,422 (117)

The current situation in the use of ammonia as a sustainable energy source and its industrial potential

Current Research in Green and Sustainable Chemistry, 2022
Ammonia, in other words synthetic nitrogen, helped humanity to increase its population by increasing the agricultural production yields and will be the key component of feeding the future growth.
Abdullah Emre Yüzbaşıoğlu, Cemre Avşar, Ahmet Ozan Gezerman   +2 more
doaj   +1 more source

Construction of C/MoS2 nanocomposite for highly efficient electrocatalytic NRR [PDF]

E3S Web of Conferences, 2021
Electrochemical N2 reduction reaction (NRR) has been considered as a promising and green process to replace conventional Haber−Bosch process. However, the presence of sluggish reaction kinetics and competitive hydrogen evolution reaction (HER) can result
Guohua Yang, Nan Li
doaj   +1 more source

The Simulation and Control of Ammonia Unit of Shiraz Petrochemical Complex, Iran [PDF]

Journal of Chemical and Petroleum Engineering, 2018
The aim of this paper is the steady state and dynamic simulations of the ammonia unit of Shiraz petrochemical complex and system behavior study versus the feed flow rate change for producing a good quality product.
Fereshte Tavakoli Dastjerd, Jafar Sadeghi   +1 more
doaj   +3 more sources

Splicing the active phases of copper/cobalt-based catalysts achieves high-rate tandem electroreduction of nitrate to ammonia

Nature Communications, 2022
Electrocatalytic recycling of waste nitrate to NH3 under ambient conditions maybe an appealing alternative to the Haber−Bosch process. Here the authors report a tandem catalyst system involving cooperative adsorption of reaction intermediate on different
Wenhui He, Jian Zhang, Stefan Dieckhöfer, Swapnil Varhade, Ann Cathrin Brix, Anna Lielpetere, Sabine Seisel, João R. C. Junqueira, Wolfgang Schuhmann   +8 more
doaj   +1 more source

Salting-out effect promoting highly efficient ambient ammonia synthesis

Nature Communications, 2021
The electroreduction of nitrogen to ammonia offers a promising alternative to the Haber–Bosch process but suffers from low activity and selectivity. Here, authors demonstrate that triggering a salting-out effect in a highly concentrated electrolyte can ...
Mengfan Wang, Sisi Liu, Haoqing Ji, Tingzhou Yang, Tao Qian, Chenglin Yan   +5 more
doaj   +1 more source

Solid solution for catalytic ammonia synthesis from nitrogen and hydrogen gases at 50 °C

Nature Communications, 2020
Ammonia synthesis via the Haber–Bosch process typically takes place at an elevated temperature in order to achieve a reasonable rate. Here the authors report on a CaFH solid solution with low activation energy for catalytic ammonia synthesis at lower ...
Masashi Hattori, Shinya Iijima, Takuya Nakao, Hideo Hosono, Michikazu Hara   +4 more
doaj   +1 more source

Looking for Options to Sustainably Fixate Nitrogen. Are Molecular Metal Oxides Catalysts a Viable Avenue?

Frontiers in Chemistry, 2021
Fast and reliable industrial production of ammonia (NH3) is fundamentally sustaining modern society. Since the early 20th Century, NH3 has been synthesized via the Haber–Bosch process, running at conditions of around 350–500°C and 100–200 times ...
Rebeca González-Cabaleiro, Jake A. Thompson, Laia Vilà-Nadal   +2 more
doaj   +1 more source

Modeling and Simulation of a Novel Sustainable Ammonia Production Process From Food Waste and Brown Water

Frontiers in Energy Research, 2021
Global demand for both clean energy carriers and agricultural nutrients continues to grow rapidly, alongside increasing quantities of waste globally, interlinked challenges that may be addressed with interlinked solutions.
Seyedehhoma Ghavam, Caroline M. Taylor, Peter Styring   +2 more
doaj   +1 more source

Co-generation of hydrogen and ammonia from waste tires valorization through chemical looping approach

Sustainable Chemistry for Climate Action
The burgeoning global demand for clean fuels and chemicals presents a formidable challenge, necessitating the development of innovative solutions that can harness waste streams as feedstocks.
Ali A. Al-Qadri, Usama Ahmed, Abdul Gani Abdul Jameel, Haris Ishaq, Umer Zahid   +4 more
doaj   +1 more source

Ambient ammonia synthesis via palladium-catalyzed electrohydrogenation of dinitrogen at low overpotential

Nature Communications, 2018
The Haber-Bosch process, producing NH3 from N2, is a crucial yet energetically demanding reaction, inspiring interest in the exploration of ambient-condition alternatives.
Jun Wang, Liang Yu, Lin Hu, Gang Chen, Hongliang Xin, Xiaofeng Feng   +5 more
doaj   +1 more source