Results 21 to 30 of about 280,648 (303)

Evaluation on Biofilter in Recirculating Integrated Multi-Trophic Aquaculture [PDF]

open access: yes, 2013
Integrated multi-trophic aquaculture pays more attention as a bio-integrated food production system that serves as a model of sustainable aquaculture, minimizes waste discharge, increases diversity and yields multiple products.
Asfie, Maidie, S., Sumoharjo
core   +3 more sources

Investigation of the chemocatalytic and biocatalytic valorization of a range of different lignin preparations: The importance of β-O-4 content [PDF]

open access: yes, 2016
A set of seven different lignin preparations was generated from a range of organosolv (acidic, alkaline, ammonia-treated, and dioxane-based), ionic liquid, autohydrolysis, and Kraft pretreatments of lignocelluloses.
Bouxin, Florent   +10 more
core   +4 more sources

Electrocatalytic upcycling of nitrogenous wastes into green ammonia: advances and perspectives on materials innovation

open access: yesCarbon Neutrality, 2023
Ammonia serves as an irreplaceable raw material for nitrogen fertilizers, which is essential for global food production. In addition, it has been recently endowed with a new function as a carrier of renewable energy, demonstrating significant research ...
Yuanting Liu   +4 more
doaj   +1 more source

Green Approach to the Fertiliser Industry: Low-carbon Fertilisers [PDF]

open access: yesKemija u Industriji, 2022
Decarbonisation means reducing or ideally eliminating the greenhouse gas emissions by evaluating all processes in a system from a “low-carbon” perspective.
Aysu Kayalıoğlu
doaj   +1 more source

Sustainable synthesis of amino acids by catalytic fixation of molecular dinitrogen and carbon dioxide [PDF]

open access: yes, 2018
The industrial process of nitrogen fixation is complex and results in a huge economic and environmental impact. It requires a catalyst and high temperature and pressure to induce the rupture of the strong N–N bond and subsequent hydrogenation.
Alemán Llansó, Carlos   +4 more
core   +2 more sources

Plant-wide optimization of a full-scale activated sludge plant with anaerobic sludge treatment [PDF]

open access: yes, 2015
© 2015, (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved. This paper presents the application of a plant-wide model-based methodology to wastewater treatment plants.
Chachuat, B   +2 more
core   +1 more source

Polyaniline coated micro-capillaries for continuous flow analysis of aqueous solutions [PDF]

open access: yes, 2013
The inner walls of fused silica micro-capillaries were successfully coated with polyaniline nanofibres using the “grafting” approach. The optical response of polyaniline coatings was evaluated during the subsequent redoping–dedoping processes with ...
Asijati   +48 more
core   +1 more source

Modeling of Thermal Modes of the Reflux Condenser of the Absorption Refrigeration Unit [PDF]

open access: yes, 2017
Currently, developers of modern refrigeration equipment, in accordance with the plans of the UN, are moving to natural refrigerants (hydrocarbons, carbon dioxide and ammonia) that do not have an adverse technological impact on the ecosystem of the planet.
Kholodkov, A. (Andrey)   +1 more
core   +2 more sources

Radical Chemistry in a Femtosecond Laser Plasma: Photochemical Reduction of Ag+ in Liquid Ammonia Solution [PDF]

open access: yes, 2018
Plasmas with dense concentrations of reactive species such as hydrated electrons and hydroxyl radicals are generated from focusing intense femtosecond laser pulses into aqueous media. These radical species can reduce metal ions such as Au3+ to form metal
Ahsan, Syeda   +4 more
core   +3 more sources

Ammonia-based green corridors for sustainable maritime transportation

open access: yesDigital Chemical Engineering, 2023
Decarbonizing maritime transportation will require huge investments in new technologies and infrastructure for the production, distribution, and utilization of alternative marine fuels.
Hanchu Wang   +2 more
doaj   +1 more source

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