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A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Chemical Engineering and Technology".

Deadline for manuscript submissions: closed (31 October 2022) | Viewed by 9321

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Special Issue Editor

Dr. Tara Hosseini

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Guest Editor

CSIRO Energy, Clayton, VIC 3168, Australia
Interests: clean energy technologies production through thermochemical routes; waste reduction/utilisation techniques; mineral processing; process simulation and flowsheeting; techno-economic analysis

Special Issue Information

Dear Colleagues,

The “Sustainability” journal has an open call for original research papers for special issue on “Sustainable and Green Chemical Engineering Technologies”. This special issue serves as a platform for reserachers and engineers throughout the world to exchange and disseminate new ideas to address the theoretical and practical issues of sustainable production in the Chemical engineering technologies. We aim helping societies become more sustainable in several ways by preventing/minimization of the production of waste and emissions, while increasing efficiencies in the use of energy and resources. With a continuing transition to a more sustainable energies from fossil fuels, there is an immediate need of accelerating research & development in these areas to participate in a transition to clean, low-carbon energy systems. To do so, a rate of progress toward increased efficiency, de-carbonization, greater fuel diversity and lower emissions/wastes need to be greatly accelerated.

We invite researchers in this field to submit their original papers for inclusion in this special issue. Suitable submissions could address any areas of sustainable and green technologies in the chemical engineering including but not limited to:

Clean production in chemical industries
Sustainable development & consumption
Clean or low emission energy production technologies
Waste reduction/transformation/reuse/utilization

The journal welcomes submissions on the more specific topis of:

Hydrogen energy production, storage and transportation
Biofuels and bioenergies production
Bioenergy processes and utilizations
The role of biomass utilization in the circular economy
Decarbonization of fossil fules

Dr. Tara Hosseini
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

clean energy technologies
waste reduction and utilization
CO2 capture and storage
hydrogen production and biomass and biofuels
decarbonization
sustainable development

Published Papers (4 papers)

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Research

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11 pages, 1532 KiB

Open AccessArticle

Oxidation Enhancement of Gaseous Elemental Mercury Using Waste Steel Slag under Various Experimental Conditions

by Joo Chan Lee, Se-Won Park, Hyun Sub Kim, Tanvir Alam and Sang Yeop Lee

Sustainability 2023, 15(2), 1406; https://0-doi-org.brum.beds.ac.uk/10.3390/su15021406 - 11 Jan 2023

Cited by 2 | Viewed by 923

Abstract

In this study, the oxidation characteristics of elemental mercury were assessed based on the input gas environment, temperature, and particle size distribution of the steel slag. Experiments were performed at room temperature, 100 °C and 200 °C, under air and simulated gas environments. The oxidation reaction of elemental mercury was conducted using steel slag samples of 1 mm, 2.36 mm, and 4.75 mm at various conditions. From the basic characteristic analysis of the steel slag, it was found that the steel slag exhibits a similar composition to that of fly ash, and it can be utilized as an oxidizing agent. Results show that regardless of the temperature and the particle size distribution of steel slag, the oxidation reaction of elemental mercury rarely occurred in the air environment. However, in the case of the HCl gas environment, it was observed that the smaller the steel slag particle size, the stronger the oxidation reaction. It is believed that the oxidation efficiency of the steel slag increased as the contact area between the gas and particles increased. The oxidation reactivity was nearly two times higher in the temperature range of 100 °C to 200 °C than it was at room temperature. It is advised that further research be undertaken in order to determine the precise temperature range at which the oxidation reaction occurs. Full article

(This article belongs to the Special Issue Sustainable and Clean Chemical Engineering Technologies)

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14 pages, 1384 KiB

Open AccessArticle

Chlorination Treatment for Gold Extraction from Refractory Gold-Copper-Arsenic-Bearing Concentrates

by Nurlan Dosmukhamedov, Valery Kaplan, Erzhan Zholdasbay, Aidar Argyn, Erzhan Kuldeyev, Gulzada Koishina and Yeleussiz Tazhiev

Sustainability 2022, 14(17), 11019; https://0-doi-org.brum.beds.ac.uk/10.3390/su141711019 - 03 Sep 2022

Cited by 3 | Viewed by 1755

Abstract

New experimental results have been obtained on the behavior of arsenic and other associated metals (Re and others) under conditions of oxidative and reductive sintering. It has been established that the extraction of arsenic strongly depends on the process temperature during oxidative sintering. The extraction of arsenic into dust media at 873 K is 50% and rhenium is 88–90%. The effect of excess air on the extraction of arsenic and rhenium into dust was studied: the higher the excess air coefficient, the more complete the extraction of arsenic and rhenium into the dust. The obtained data indicate that achieving a high level of arsenic extraction from the initial product is not possible during oxidative sintering. The best arsenic removal results were reached under the conditions of reductive sintering of initial material by natural gas. The extraction of arsenic into dust at 823 K was 88%, and at 1373 K arsenic is almost completely converted into dust. Obtained new experimental results have a fundamental importance for the selection and organization of a comprehensive technology for the processing complex in composition refractory gold-copper-arsenic-bearing products. Full article

(This article belongs to the Special Issue Sustainable and Clean Chemical Engineering Technologies)

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16 pages, 2731 KiB

Open AccessArticle

Acrylonitrile Process Enhancement through Waste Minimization: Effect of Reaction Conditions and Degree of Backmixing

by Ibrahim M. Abu Reesh

Sustainability 2021, 13(14), 7923; https://0-doi-org.brum.beds.ac.uk/10.3390/su13147923 - 15 Jul 2021

Cited by 2 | Viewed by 3432

Abstract

Waste minimization in reactor design is an effective approach for pollution control, when compared to the traditional practice of the end-of-pipe treatment. Reactor degree of backmixing and operating conditions are important factors that determine the performance of chemical process, including environmental impact. For the purpose of waste minimization, two modeling methods were used for simulating the performance of the acrylonitrile production reactor, based on the ammoxidation of propylene. The effect of residence time, temperature, degree of backmixing on the steady-state propylene conversion, and production of waste were determined. The tanks-in-series model and the axial dispersion model were used to account for the degree of backmixing. The two main by-products in the acrylonitrile process are acetonitrile and hydrogen cyanide, which are both highly toxic waste. Extensive reactor backmixing reduces propylene conversion, especially at high temperature and residence time. Minimum acetonitrile production is favored by low residence time, high to moderate temperature, and no backmixing. Minimum hydrogen cyanide production is favored by low residence time, low temperature, and no backmixing. At 450 °C, the percentage of increase in the selectivity of acrylonitrile, with respect to hydrogen cyanide at plug-flow reactor conditions, as compared to a continuous stirred tank reactor, is 87.1, 74.3, 50.9, 30.4, and 12.4% at a residence time of 1, 2, 4, 6, and 8 s, respectively. The reactor degree of backmixing and operating conditions are important factors that affect the environmental friendliness of the acrylonitrile production process. Full article

(This article belongs to the Special Issue Sustainable and Clean Chemical Engineering Technologies)

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Review

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16 pages, 608 KiB

Open AccessReview

The Renewable Energy (RE) Industry Workforce Needs: RE Simulation and Analysis Tools Teaching as an Effective Way to Enhance Undergraduate Engineering Students’ Learning

by Shahryar Jafarinejad, Lauren E. Beckingham, Mandar Kathe and Kathy Henderson

Sustainability 2021, 13(21), 11727; https://0-doi-org.brum.beds.ac.uk/10.3390/su132111727 - 23 Oct 2021

Cited by 10 | Viewed by 2482

Abstract

The share of renewables in the U.S. electricity generation mix is increasing and one of the major obstacles to enhancing employment in the renewable energy (RE) sector is finding skilled/qualified labor to fill positions. RE systems engineer jobs mostly need bachelor’s degrees but there are few RE engineering-focused degree programs. Therefore, there are needs to accurately train undergraduate engineering students at universities and match the education system offerings to meet RE industry demands. This study reviews RE employment by technology, RE industry workforce needs, and engineering programs accreditation, and then suggests possible means, along with theoretical RE concepts, to enhance undergraduate engineering students’ RE learning at universities. In particular, RE industries require technology skills, including analytical, scientific, and simulation software programs or tools. These RE simulation and analysis tools can be used for teaching, training, techno-economic analysis, planning, designing, optimization, etc., and are the focus of this review. Full article

(This article belongs to the Special Issue Sustainable and Clean Chemical Engineering Technologies)

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