PRESS-NEWS.org - Press Release Distribution
PRESS RELEASES DISTRIBUTION

Groundbreaking control method reduces carbon emissions from zinc oxide rotary kilns, boosting profits for zinc smelting industry

Groundbreaking control method reduces carbon emissions from zinc oxide rotary kilns, boosting profits for zinc smelting industry
2023-09-29
(Press-News.org)

A research team from Central South University in China develops innovative control method to reduce carbon emissions from zinc oxide rotary kilns.

The zinc smelting industry is facing new challenges in meeting China’s carbon peak and carbon neutrality targets. To address these challenges, researchers from Central South University in China have developed a groundbreaking control method that reduces carbon emissions from zinc oxide rotary kilns while maintaining high profits. Their findings have been published in the journal Engineering.

Zinc oxide rotary kilns play a crucial role in the zinc smelting process. However, traditional stability control methods are no longer suitable for the industry’s multi-objective control tasks. In their paper, Keke Huang’s research team proposes a multi-objective adaptive optimization model predictive control (MAO-MPC) method based on sparse identification.

The researchers first formulated and solved a sparse regression problem to obtain a reduction model using a large amount of data collected from a computational fluid dynamics (CFD) simulation model. This reduction model overcomes the high computational complexity of traditional CFD models, enabling real-time computation of the zinc oxide rotary kiln dynamics.

The proposed control method consists of a two-layered framework: real-time optimization (RTO) and model predictive control (MPC). In the RTO layer, an optimization problem is set up to achieve optimal operation performance and the lowest possible resource consumption. By solving this problem in real time, an optimal setting value is sent to the MPC layer, ensuring that the zinc oxide rotary kiln always operates in an optimal state.

The experiments conducted by the research team demonstrate the strength and reliability of the proposed method. It not only reduces the usage of coal but also maintains high profits for the industry. The control method offers a promising solution for zinc smelting companies to meet China’s carbon reduction goals and contribute to a greener future.

Nan Zhang, editor of the subject of chemical, metallurgical, and materials engineering of Engineering, commented, “This MAO-MPC method provides an effective approach for reducing carbon emissions from zinc oxide rotary kilns. By optimizing the process in real time, the zinc smelting industry can achieve significant reductions in coal consumption while maintaining high profits. This research has the potential to revolutionize the zinc smelting industry and contribute to China’s carbon neutrality goals.”

The research team’s work opens up avenues for further study, including improving the accuracy of first-principles models and designing optimization objective functions to enhance the performance of rotary kilns.

The paper “Multi-Objective Adaptive Optimization Model Predictive Control: Decreasing Carbon Emissions from a Zinc Oxide Rotary Kiln”, authored by Ke Wei, Keke Huang, Chunhua Yang, Weihua Gui. Full text of the open access paper: https://doi.org/10.1016/j.eng.2023.01.017. For more information about the Engineering, follow us on Twitter (https://twitter.com/EngineeringJrnl) & like us on Facebook (https://www.facebook.com/EngineeringPortfolio).

 

About Engineering

Engineering (ISSN: 2095-8099 IF:12.8) is an international open-access journal that was launched by the Chinese Academy of Engineering (CAE) in 2015. Its aims are to provide a high-level platform where cutting-edge advancements in engineering R&D, current major research outputs, and key achievements can be disseminated and shared; to report progress in engineering science, discuss hot topics, areas of interest, challenges, and prospects in engineering development, and consider human and environmental well-being and ethics in engineering; to encourage engineering breakthroughs and innovations that are of profound economic and social importance, enabling them to reach advanced international standards and to become a new productive force, and thereby changing the world, benefiting humanity, and creating a better future.

END


[Attachments] See images for this press release:
Groundbreaking control method reduces carbon emissions from zinc oxide rotary kilns, boosting profits for zinc smelting industry Groundbreaking control method reduces carbon emissions from zinc oxide rotary kilns, boosting profits for zinc smelting industry 2

ELSE PRESS RELEASES FROM THIS DATE:

Small but mighty new gene editor

Small but mighty new gene editor
2023-09-29
A new CRISPR-based gene-editing tool has been developed which could lead to better treatments for patients with genetic disorders. The tool is an enzyme, AsCas12f, which has been modified to offer the same effectiveness but at one-third the size of the Cas9 enzyme commonly used for gene editing. The compact size means that more of it can be packed into carrier viruses and delivered into living cells, making it more efficient. Researchers created a library of possible AsCas12f mutations and then combined selected ones to engineer an AsCas12f ...

Study finds SARS-CoV-2-associated sepsis was more common, deadly than previously thought

2023-09-29
Using data from Mass General Brigham’s electronic health records, Brigham researchers quantified the burden of SARS-CoV-2-associated sepsis early in the pandemic New research suggests that the virus responsible for COVID-19 was a more common and deadly cause of sepsis during the initial period of the pandemic than previously assumed. The study, led by investigators from Brigham and Women’s Hospital, a founding member of the Mass General Brigham healthcare system, used electronic health record (EHR) data from five Mass General Brigham hospitals to track the rate of SARS-CoV-2-associated ...

Use of electronic clinical data to track incidence and mortality for SARS-CoV-2–associated sepsis

2023-09-29
About The Study: The results of this study of 431,000 inpatient encounters at five Massachusetts hospitals suggest that SARS-CoV-2–associated sepsis was common and had higher mortality than presumed bacterial sepsis early in the COVID-19 pandemic. These findings highlight the high burden of SARS-CoV-2–associated sepsis and demonstrate the utility of electronic health record-based algorithms to conduct surveillance for viral and bacterial sepsis.  Authors: Claire N. Shappell, M.D., M.P.H., of Brigham and Women’s Hospital in Boston, is the corresponding author.   To access the embargoed ...

Misinformation, trust, and use of ivermectin and hydroxychloroquine for COVID-19

2023-09-29
About The Study: In this 50-state survey study of 13,438 adults who reported probable or definite COVID-19 infection, endorsement of misinformation about the COVID-19 pandemic, lack of trust in physicians or scientists, conspiracy-mindedness, and the nature of news sources were associated with receiving non–evidence-based treatment for COVID-19. These results suggest that the potential harms of misinformation may extend to the use of ineffective and potentially toxic treatments in addition to avoidance of health-promoting behaviors.  Authors: Roy ...

Neighborhood factors, individual stressors, and cardiovascular health among Black and white adults

2023-09-29
About The Study: In this study of Black and white U.S. adults ages 45 and older, neighborhood-level factors, including safety and physical and social environments, and individual-level factors, including discrimination, attenuated racial disparities in cardiovascular health. Interventional approaches to improve ideal cardiovascular health that separately target neighborhood context and discrimination by gender and race are warranted.  Authors: Anika L. Hines, Ph.D., M.P.H., of the ...

New research reveals link between childhood mental health problems and quality of life for young adults

2023-09-29
Children with mental health issues are more likely to have poor mental and physical health in their late teens and early 20s, and are at greater risk of social isolation, low educational attainment, financial difficulties and heavy substance use. That’s according to new research led by RCSI University of Medicine and Health Sciences, which examined a wide range of data from more than 5,000 children and young adults in Ireland.  The findings, published today in JAMA Network Open, are drawn from the ‘Growing up in Ireland’* study. The researchers from Ireland, the UK, and Australia followed trends of mental health throughout childhood (ages 9-13) for 5,141 ...

New insights into how the human brain organises language

2023-09-29
Language is the most important tool for human communication and essential for life in our society. “Despite a great deal of neuroscientific research on the representation of language, little is known about the organisation of language in the human brain. Much of what we do know comes from single studies with small numbers of subjects and has not been confirmed in follow-up studies,” says Dr Sabrina Turker from the Max Planck Institute for Human Cognitive and Brain Sciences in Leipzig. This meta-analysis aims to help change that. Based on more than 400 ...

Visual search: Context facilitates more effective strategies

2023-09-29
Study by LMU psychologists shows that distractor objects can help the visual system develop more effective search strategies. People are continuously provided with an overwhelming stream of events flooding the sensory organs. However, while the brain has impressive processing capabilities, its capacity is strongly limited. Thus, an observer cannot consciously experience all the events and information available at any one time, but has to focus on some limited subset of the whole. For many decades, researchers have investigated the neuro-cognitive mechanisms of this selective attention through the use of visual search and have shown that contextual cueing plays ...

Malaria: Treatment of Plasmodium falciparum malaria patients under threat in the Horn of Africa

2023-09-29
Diagnosis of Plasmodium falciparum malaria using rapid diagnostic tests and treatment with artemisinin derivatives, the main component of the malaria treatments recommended by the World Health Organization (WHO), are under threat in the Horn of Africa. Scientists from the Laboratory of Parasitology and Medical Mycology at the University of Strasbourg and Strasbourg University Hospital, in collaboration with the Eritrean Ministry of Health, the Institut Pasteur, Columbia University in New York and WHO, have detected the emergence and spread in Eritrea of parasites with both artemisinin resistance and genome modifications ...

New post-translational modification of the glycolytic enzyme enolase

2023-09-29
Tsukuba, Japan—Proteins are subject to post-translational chemical modifications that result in functional diversity. Methylation is one such modification that is generally believed to occur on lysine and arginine residues. Recently, this modification has been shown to occur on histidine residues as well. Furthermore, it has been suggested that histidine methylation occurs in a wide range of proteins. However, many details remain unknown: for example, which are the proteins that are methylated and ...

LAST 30 PRESS RELEASES:

DNA aptamer drug sensors can instantly detect cocaine, heroin and fentanyl – even when combined with other drugs

New project will use next-gen at-home rapid test to track COVID-19, RSV, and flu

SRI relaunches the PARC Forum event series as it celebrates the first anniversary of acquiring the storied Palo Alto Research Center

An inside look at Beech tree disease

New AI model draws treasure maps to diagnose disease

Breastfeeding after COVID-19 booster can give babies antibodies

Researchers closing in on genetic treatments for hereditary lung disease, vision loss

COVID-19 associated with increased risk for autoimmune inflammatory rheumatic diseases up to a year after infection

UC Irvine receives $15 million NSF grant for integrative movement research

University of Houston engineer Metin Akay featured in study highlighting 50 scientists' contributions to biomedical engineering advancements

JWST captures the end of planet formation

Good news—MS drugs taken while breastfeeding may not affect child development

Programs intended to reduce health insurance premiums may make coverage less affordable for the middle class

PrEP discontinuation in a US national cohort of sexual and gender minority populations, 2017–22

USC Study: Medicare Part D plans increased restrictions on drug coverage

Sacituzumab govitecan plus platinum-based chemotherapy in breast, bladder, and lung carcinomas

Global study unveils "problematic" use of porn

Newly discovered protein prevents DNA triplication

Less ice in the arctic ocean has complex effects on marine ecosystems and ocean productivity

Antarctica’s coasts are becoming less icy

New research shows migrating animals learn by experience

Modeling the origins of life: New evidence for an “RNA World”

Scientists put forth a smarter way to protect a smarter grid

An evolutionary mystery 125 million years in the making

Data science approach to identifying thermal conductivity-related structural factors in amorphous materials

Deciphering the male breast cancer genome

Detection of suicide-related emergencies among children using real-world clinical data: A free webinar from the Brain & Behavior Research Foundation

Editor-in-Chief of Sustainability and Climate Change Madhavi Venkatesan named USA TODAY Woman of the Year for Massachusetts for leading plastic bottle ban efforts

Tests show high-temperature superconducting magnets are ready for fusion

Zika vaccine safe, effective when administered during pregnancy

[Press-News.org] Groundbreaking control method reduces carbon emissions from zinc oxide rotary kilns, boosting profits for zinc smelting industry