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Applied Sciences
Special Issues
Low Carbon Water Treatment and Energy Recovery, Volume II
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Low Carbon Water Treatment and Energy Recovery, Volume II

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 885

Special Issue Editors

Dr. Xin Zhao

E-Mail Website
Guest Editor
Department of Environmental Engineering, School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
Interests: wastes anaerobic fermentation; bioenergy recovery, biological processes; wastes conversion and biological treatment; wastewater treatment
Special Issues, Collections and Topics in MDPI journals
Dr. Lili Dong

E-Mail Website
Guest Editor
School of Ecology and Environment, Hainan University, Haikou, China
Interests: bio-H2 production; anaerobic digestion; lignocellulosic biomass pretreatment; bioenergy recovery; microbial ecology
Special Issues, Collections and Topics in MDPI journals
Dr. Zhaoyang Wang

E-Mail Website
Guest Editor
College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
Interests: municipal wastewater treatment and reuse; industrial wastewater treatment; micropollution drinking water treatment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Climate change led by excess carbon dioxide emissions is a global challenge. For the water industry, the water treatment process is responsible for the amounts of different carbon emissions. The water industry makes global warming worse, so innovative wastewater treatment that exhausts less or no carbon dioxide is significant. Recently, carbon neutrality has become a hot topic for water treatment all over the world.

To reduce carbon emissions from water treatment, technological and scientific advances will be required, such as biomass production to reduce CO2 emissions, use of bubble-less gas mass transfer bioreactors, reduced aeration with greater microbial processes, high-efficiency pumps and blowers, low-pressure self-cleaning free membranes, and the use of solar power systems and bioelectrical systems in wastewater treatment. Our present technology for water and wastewater treatment offers enormous scope for improvement.

Based on this background, this Special Issue aims to assemble the latest advancements in innovative technologies for low carbon water treatment and energy recovery. Both full-length research papers and review articles are welcome.

Dr. Xin Zhao
Dr. Lili Dong
Dr. Zhaoyang Wang
Guest Editors

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. Applied Sciences 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

  • low carbon
  • carbon neutrality
  • water treatment
  • wastewater treatment
  • energy recovery
  • anaerobic digestion
  • bioelectrical system
  • biogas
  • water reuse
  • micropollution

Related Special Issue

Published Papers (1 paper)

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Research

13 pages, 2106 KiB  
Article
The Use of Solidified Carbon Dioxide in the Aerobic Granular Sludge Pre-Treatment before Thermophilic Anaerobic Digestion
by Joanna Kazimierowicz, Marcin Dębowski, Marcin Zieliński, Izabela Bartkowska, Adam Wasilewski, Dawid Łapiński and Piotr Ofman
Appl. Sci. 2023, 13(13), 7864; https://doi.org/10.3390/app13137864 - 04 Jul 2023
Cited by 2 | Viewed by 680
Abstract
The most common technology for the recovery of energy and valuable materials from sewage sludge is anaerobic digestion (AD). Ensuring thermophilic conditions during AD has been proven to cause process intensification and an improvement in its final outcomes. Nonetheless, the search is underway [...] Read more.
The most common technology for the recovery of energy and valuable materials from sewage sludge is anaerobic digestion (AD). Ensuring thermophilic conditions during AD has been proven to cause process intensification and an improvement in its final outcomes. Nonetheless, the search is underway for other methods to bolster the effectiveness of the AD of aerobic granular sludge (AGS), which is characterized by a compact and complex structure. A prospective AGS pre-treatment technology entails the use of solidified carbon dioxide (SCO2). The present study focused on an evaluation of the AGS pre-treatment with SCO2 on the thermophilic AD technological effects. It evaluated the effect of the SCO2 pre-treatment method on changes in the concentrations of organic and biogenic compounds in the dissolved phase and the yield and kinetics of biogas and methane production in periodical reactors, as well as enabled the development of an empirical organizational model of biogas production. SCO2 introduced to AGS caused an increase in the content of COD, N-NH4+, and P-PO43− in the AGS dissolved phase at SCO2/AGS volumetric ratios ranging from 0 to 0.3. A further increase in the SCO2 dose did not cause any statistically significant differences in this respect. The highest biogas and methane yields were obtained at SCO2/AGS of 0.3 and reached 482 ± 21 cm3/gVS and 337 ± 14 cm3/gVS, respectively. The higher SCO2 doses used led to a significant decrease in the pH value of the AGS, which, in turn, contributed to a decreasing CH4 concentration in the biogas. Full article
(This article belongs to the Special Issue Low Carbon Water Treatment and Energy Recovery, Volume II)
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