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Articles 96061 - 96090 of 658249
Full-Text Articles in Social and Behavioral Sciences
From A “Cheli” In Nepal To A “Khadama” In The Arabian Gulf Countries: The Local-Global Entanglements And Gendered Labour Migration Governance, Hari Kc
Theses and Dissertations (Comprehensive)
This dissertation explores: In what ways does gender operate as a governing code in Nepal’s labour migration governance? This question is answered in three specific ways. First, it explores how the gender codes in the Nepali society conjoin global forces to create structural conditions for women’s transnational labour migration. Second, it examines how the Nepali state – within the regional/global geopolitics – embraces the gendered labour migration policy to produce, reproduce, and perpetuate the gender codes. Third, it explicates the ways in which women migrating for domestic work in the Arabian Gulf countries resist and subvert the gender codes while …
Psychological Resilience In Student-Athletes During The Covid-19 Pandemic, Henley Lapid
Psychological Resilience In Student-Athletes During The Covid-19 Pandemic, Henley Lapid
Theses and Dissertations (Comprehensive)
The purpose of this qualitative study was to examine the psychological resilience process in student-athletes during the unique adverse context of the COVID-19 pandemic. The study sought to answer the following research questions guided by Fisher et al.’s (2019) heuristic framework: (1) What resilience mechanisms, (2) promoting factors, and (3) resilience outcomes were experienced by participants in their resilience demonstrations? and (4) How does the resilience process unfold over time across adverse contexts including the COVID-19 pandemic? Nine student-athletes from Wilfrid Laurier University were interviewed on their experiences demonstrating resilience within and outside of the pandemic. A thematic analysis (Braun …
Impact Of Inducing Self-Compassion On The Use Of Safety Behaviours In Social Situations, Kamila Szczyglowski
Impact Of Inducing Self-Compassion On The Use Of Safety Behaviours In Social Situations, Kamila Szczyglowski
Theses and Dissertations (Comprehensive)
Safety behaviours are commonly used in an attempt to decrease anxiety experienced in social settings. These behaviours, however, have been found to maintain anxiety. Self-compassion has shown promise for reducing anxiety and post-event rumination. The aim of the present studies was to examine the impact of a self-compassion induction on safety behaviours. It was hypothesized that inducing self-compassion would lead to lower safety behaviour use compared to control conditions. For the first two studies, participants were randomly assigned to complete self-compassion inductions or control writing prompts in relation to imagining a pre-determined social situation. Study 3 followed a similar procedure …
The Intersection Of Proactivity Behaviours And Socialization Tactics On Athletes’ Perceptions Of Group Cohesion And Role Clarity, Charlotte Revell
The Intersection Of Proactivity Behaviours And Socialization Tactics On Athletes’ Perceptions Of Group Cohesion And Role Clarity, Charlotte Revell
Theses and Dissertations (Comprehensive)
Socialization is a process in which newcomers learn the behaviours and attitudes to become productive working members of a team (Van Maanen, 1978). Organizations (e.g., sports teams) can engage in socialization tactics to help newcomers onboard efficiently within the new group (Van Maanen & Schein, 1979). Furthermore, these socialization tactics influence the way athletes perceive cohesion as well as execute their roles (Leo et al., 2020). However, individuals’ proactivity behaviours can impact the effects of socialization tactics on outcomes because they play an active role in the process of socialization by influencing their interpersonal relationships and social interactions (Reichers, 1987). …
The Impact Of Social Media Influencers On Emerging Adults, Avnee Sharma
The Impact Of Social Media Influencers On Emerging Adults, Avnee Sharma
Theses and Dissertations (Comprehensive)
Social media influencers (SMIs) (defined as individuals who have 10,000 or more followers) are a group of people who garner attention and who seem to have an impact on thought and behaviour change on social media platforms. To date, it is unclear how much social media influencers influence emerging adults. Given that emerging adulthood is a developmental stage that includes exploration of self and offers more autonomy from one’s parents and is a time where social media is frequently used, it is important to explore how social media informs their decisions and choices. To explore this relationship, this research consists …
Exploring Climate, Wellbeing, Resilience, And Resistance In 2slgbtq+ Leisure Spaces: A Mixed Methods Study To Advance Inclusion, Tin Vo
Theses and Dissertations (Comprehensive)
Participating in queer sports groups, rainbow choirs, trans virtual discussion groups and other Two-Spirit, lesbian, gay, bisexual, transgender, queer, and other sexually and gender diverse (2SLGBTQ+) leisure activities can offer participants safety from societal heterosexism and cisgenderism and opportunities for community connection and peer support, as well as foster their overall wellbeing. Yet, transgender/gender nonconforming (TGNC), racialized, and/or disabled individuals, and those with other diverse identities are often marginalized in these spaces. Though researchers have studied exclusion within 2SLGBTQ+ leisure spaces, relatively little is known about how the climate of these spaces shapes social and mental health outcomes. Connected to …
An Exploration On The Barriers To Accessing Mental Health Services Among South Asian Youth, Oeishi Faruquzzaman
An Exploration On The Barriers To Accessing Mental Health Services Among South Asian Youth, Oeishi Faruquzzaman
Theses and Dissertations (Comprehensive)
Research in Canada and the United States has found that South Asians routinely underutilize mental health services, however research on the barriers experienced by South Asians is limited, especially research regarding the experiences of South Asian youth (Inman et al., 2014; Islam et al., 2017; Karasz et al., 2016). Through a series of semi-structured interviews (N=20) with South Asian youth between the ages 16 to 27 in the Greater Toronto Area, the present study explores South Asian youths’ experiences accessing mental health services and the impact of COVID-19 on mental health and service use. Thematic analysis of interview data reveal …
“What If This Happiness Doesn’T Last Forever?”: Stressors Faced By Racialized Sogie Refugees, Moni Sadri-Gerrior
“What If This Happiness Doesn’T Last Forever?”: Stressors Faced By Racialized Sogie Refugees, Moni Sadri-Gerrior
Theses and Dissertations (Comprehensive)
Racialized refugees with diverse SOGIE (Sexual Orientation, Gender Identity, and Expression) experience the unique intersection of racism, homo- and/or transphobia, and anti-refugee sentiments. As a result, this group (herein: racialized SOGIE refugees) often face poor mental health and well-being. The purpose of this study is to identify stressors faced by racialized SOGIE refugees in Ontario through the lens of Meyer’s Minority Stress Theory and Crenshaw’s intersectionality theory. The interviews from ten racialized SOGIE refugees and two service providers living in Ontario were taken from a larger study looking at the life trajectories of SOGIE refugees. Participants identified both explicit and …
B-Sure (Bereavement Support Research): The Differential Experiences Of Peer And Professional Support In Grief, Andrea Crowley
B-Sure (Bereavement Support Research): The Differential Experiences Of Peer And Professional Support In Grief, Andrea Crowley
Theses and Dissertations (Comprehensive)
Abstract
The project aimed to investigate the differential experiences of those who have received peer or professional support for grief and bereavement. Although much is known with regards to the perceived impacts of peer and professional support in general, there is little research surrounding these support types in the context of grief and bereavement, the potential for these support types to be complementary, and how the COVID-19 pandemic may have impacted the experiences of those receiving these forms of support. The main goal of this project was to address a significant gap in the literature by investigating the following questions: …
Agent-Based Modelling And Big Data: Applications For Maritime Traffic Analysis, Marc Sirizzotti
Agent-Based Modelling And Big Data: Applications For Maritime Traffic Analysis, Marc Sirizzotti
Theses and Dissertations (Comprehensive)
Agent based modeling (ABM) is a powerful tool for examining complex systems in many scientific applications, including maritime transport systems. Growing demands for freight transport and increased industry emphasis on reducing environmental impacts have heightened the focus on vessel and port efficiency. This research aimed to create a maritime route planning model to simulate vessel movement in all waterways. The goal of the ship routing model developed in this research was to develop a simulation tool capable of reproducing real world shipping routes useful for navigation planning, with emphasis on port scheduling and potential application for further use and exploration. …
"If We're Not Loud, We're Not Cared For": Empowerment In Transgender Peoples' Healthcare Experiences, Chase Valiant
"If We're Not Loud, We're Not Cared For": Empowerment In Transgender Peoples' Healthcare Experiences, Chase Valiant
Theses and Dissertations (Comprehensive)
Healthcare plays a crucial role in the health and quality of life of transgender (herein trans) people. The experiences people have when accessing healthcare, can have significant effects on future interactions with the healthcare system as well as individual health outcomes. The purpose of this study was to gather insights into trans peoples’ positive healthcare experiences and health outcomes through the lens of empowerment. Fifteen interviews with trans men and trans women were drawn from a larger study of trans peoples’ experiences of discrimination. Thematic analysis was undertaken to identify key themes in the data. Experiences of empowerment were facilitated …
Athletes’ Perceptions Of Role Significance In An Interdependent Sport Context, Madeline Smith-Ackerl
Athletes’ Perceptions Of Role Significance In An Interdependent Sport Context, Madeline Smith-Ackerl
Theses and Dissertations (Comprehensive)
Roles are integral structural components of interdependent sport teams. The perceptions athletes hold about their role responsibilities influence several individual and team outcomes (Eys et al., 2020). Of specific interest to the current study are athletes’ perceptions of role significance. Two theoretical perspectives dominate research relative to the significance of one’s tasks within organizational psychology: (a) the job characteristic model (JCM; Hackman & Oldham, 1976) and (b) the social information processing model (SIP; Salancik & Pfeffer, 1978). Within the former, task significance (akin to role significance) was conceptualized as the degree to which an employee’s work affects others within or …
Investigation Of Urinary Metabolomics In A Phase I Hookworm Vaccine Trial In Gabon, Madeleine Eunice Betouke Ongwe, Yoanne D Mouwenda, Koen A Stam, Peter G Kremsner, Bertrand Lell, David Diemert, Jeff Bethony, Maria E Bottazzi, Peter J Hotez, Remko V Leeuwen, Martin P Grobusch, Ayola A Adegnika, Oleg A Mayboroda, Maria Yazdanbakhsh
Investigation Of Urinary Metabolomics In A Phase I Hookworm Vaccine Trial In Gabon, Madeleine Eunice Betouke Ongwe, Yoanne D Mouwenda, Koen A Stam, Peter G Kremsner, Bertrand Lell, David Diemert, Jeff Bethony, Maria E Bottazzi, Peter J Hotez, Remko V Leeuwen, Martin P Grobusch, Ayola A Adegnika, Oleg A Mayboroda, Maria Yazdanbakhsh
Center for Medical Ethics and Health Policy Staff Publications
Metabolomics provides a powerful tool to study physiological changes in response to various perturbations such as vaccination. We explored whether metabolomic changes could be seen after vaccination in a phase I trial where Gabonese adults living either in rural or semi-urban areas received the subunit hookworm vaccine candidates (Na-GST-1 and Na-APR-1 (M74) adjuvanted with Alhydrogel plus GLA-AF (n = 24) or the hepatitis B vaccine (n = 8) as control. Urine samples were collected and assayed using targeted 1H NMR spectroscopy. At baseline, a set of metabolites significantly distinguished rural from semi-urban individuals. The pre- and post-vaccination comparisons indicated significant …
It Takes A Village: Tribalism As A Premise To Understand Societal Responsibility And Impact Of Mass Violence, Paige D. Schultz
It Takes A Village: Tribalism As A Premise To Understand Societal Responsibility And Impact Of Mass Violence, Paige D. Schultz
Graduate School of Professional Psychology: Doctoral Papers and Masters Projects
What is a mass shooter? This is difficult to answer as there is no single definition. The definition of a mass shooter depends on contextual factors including victim count, setting, and motivation (Gramlich, 2019). The Federal Bureau of Investigation (FBI) defines active shooters as “one or more individuals actively engaged in killing or attempting to kill people in a populated area” (Federal Bureau of Investigation, 2021, page 1). While other definitions are used to identify a mass shooter, given the breadth of study in this area by the FBI, this paper will use the FBI definition.
Fast Cbt For Pediatric Ocd: A Multiple-Baseline Controlled Pilot Trial Of Parent Training In Exposure And Response Prevention Delivered, Lara J Farrell, Natalja A Nabinger De Diaz, Sharna Mathieu, Matthew L Mckenzie, Taka Miyamoto, Caroline L Donovan, Allison M Waters, Sonja March, Nicole Bothma, Rianca Kroon, Gabrielle Simcock, Robert S Ware, Robert R Selles, Eric A Storch, Thomas Ollendick
Fast Cbt For Pediatric Ocd: A Multiple-Baseline Controlled Pilot Trial Of Parent Training In Exposure And Response Prevention Delivered, Lara J Farrell, Natalja A Nabinger De Diaz, Sharna Mathieu, Matthew L Mckenzie, Taka Miyamoto, Caroline L Donovan, Allison M Waters, Sonja March, Nicole Bothma, Rianca Kroon, Gabrielle Simcock, Robert S Ware, Robert R Selles, Eric A Storch, Thomas Ollendick
Center for Medical Ethics and Health Policy Staff Publications
Objective: The current study utilized a single case series, non-concurrent multiple baseline design to examine the efficacy of training parents via telehealth videoconferencing in exposure and response prevention (ERP) for home delivery of the treatment for their children and adolescents with obsessive compulsive disorder (OCD).
Method: There were nine participants aged 8 to 14 years who had received a primary diagnosis of OCD. The design involved a series of AB replications, whereby following pre-treatment assessments participants were randomly assigned to either a 2-week (n = 4) or 3-week (n = 5) baseline condition with weekly monitoring of their …
Trapped On The Eve Of War, 1941: Stalin And His Generals Failing Separately And Together, Cynthia A. Roberts
Trapped On The Eve Of War, 1941: Stalin And His Generals Failing Separately And Together, Cynthia A. Roberts
Publications and Research
This chapter examines Soviet military planning and preparedness on the eve of Germany’s June 1941 invasion of the Soviet Union. Drawing on archival evidence and post-Soviet scholarship, it reassesses explanations for the Red Army’s catastrophic initial defeats. It argues that the General Staff’s unrealistic offensive plans and force posture conflicted with Stalin’s political strategy of deterrence and war avoidance. This mismatch, rooted partly in the Soviet military’s organizational preference for offensive operations and flawed assumptions about mobilization and the initial period of war, increased Soviet vulnerability to surprise attack. The chapter considers the development of Soviet war plans in 1940–1941, …
Introduction, Jirayudh Sinthuphan
Reinventing Public Healthcare In India, Milind Kokje
Reinventing Public Healthcare In India, Milind Kokje
Asian Review
The outbreak of COVID-19 exposed the gaps and shortcomings in the Indian public healthcare System. The Indian healthcare system is a glaring example of two extremes of positive and negative. The Constitution of India does not guarantee health as a fundamental right, though the Indian judiciary, through its several judgements, has interpreted the concerned articles to expand their scope to include the right to health. India’s achievements in developing healthcare infrastructure, having more health personnel in service etc. are still much less than the requirement and below global benchmarks. It has launched the world’s largest health insurance scheme. Still, the …
Reconsidering Social Protection For Motorcycle Taxi Drivers: Understanding Precarity In Formalized Informality, Kritsada Theerakosonphong
Reconsidering Social Protection For Motorcycle Taxi Drivers: Understanding Precarity In Formalized Informality, Kritsada Theerakosonphong
Asian Review
This article's central argument is that as a consequence of ride-hailing applications (apps), formalized informality has emerged among motorcycle taxi drivers (MTDs). The aim is to provide preliminary recommendations for reconsidering social protection (SP) for MTDs. Platformization and practices of precarising formality through formal-informal interaction are reviewed, as well as employment status and other different forms of employment. MTDs are unevenly matched in power relations dominated by the government and non-government officials, insecurity and uncertainty related to job precarity results. Several critical SP issues are discussed including: the distinction between formality and informality and the related inability to divide the …
Discussion On The Application Of Dispute Settlement Mechanism Of The 1982 United Nations Convention On The Law Of The Sea To The Thai - Myanmar Maritime Dispute, Yodsapon Nitiruchirot
Discussion On The Application Of Dispute Settlement Mechanism Of The 1982 United Nations Convention On The Law Of The Sea To The Thai - Myanmar Maritime Dispute, Yodsapon Nitiruchirot
Asian Review
This qualitative research study aims to examine theThai-Myanmar maritimedispute,applying the dispute settlement mechanism of the 1982 United Nations Convention on theLaw of the Sea (UNCLOS). The research methodology includes documentary research and in-depth interview. After analyzing data collected,itis found that the dispute settlement mechanismof the UNCLOS comprises voluntary and compulsory procedures. As both Thailand and Myanmarare parties to the UNCLOS and their dispute involves an area in the Andaman Sea, thoseprocedures may be applied. Thecompulsory procedure may be applied with some issues, but notthe territorial dispute and the boundary delimitation dispute. Therefore, there are few benefits togain from the procedure. …
China’S Role In The Arctic: Observing And Being Observedisbn 9780367278694. Published May 12, 2020 By Routledge. Author: Nong Hong. 232 Pages., Magayo Alves
Asian Review
As indicated by its title, the author of the book – Dr. Nong Hong – focuses her efforts on un-derstanding the current ways in which China sees and operates the Arctic, hence reflecting on how it seeks to develop its policies for the region and how its actions are seen by other actors. In summary, the book’s eight chapters could be grouped into three main points: China’s involvement in international organizations, its relations with Arctic stakeholders, and more specifically its actions across the Arctic territory, signifying the extent of its engagement with shipping activities and scientific development. Arguably, the main …
Promoting Sexual And Gender Diversity Through The Portrayal Of Sexual And Gender Minority Youths In Media, Yuki Amaki
Promoting Sexual And Gender Diversity Through The Portrayal Of Sexual And Gender Minority Youths In Media, Yuki Amaki
Asian Review
As one social phenomenon, television drama series depicting sexual minority youths, particularly gay male couples’ everyday lives, have become popular in Japan as well as East Asia. Consciousness and awareness of prejudice and discrimination against sexual and gender minority people may gradually be changing among young people thanks to the increased portrayal of sexual and gender minority youths in romantic TV drama series. The purpose of this research is to assess how much these TV drama series influence people to improve their awareness and knowledge of the prejudice and discrimination faced by LGBTQ+ people in society. My target population for …
Assessment Of Emissions From Cement Plants Using Aermod Modeling, Atef I. Abdel-Gawad, Mahmoud Noureldeen, Hamada Mahmaoud, Asmaa S. Hamouda
Assessment Of Emissions From Cement Plants Using Aermod Modeling, Atef I. Abdel-Gawad, Mahmoud Noureldeen, Hamada Mahmaoud, Asmaa S. Hamouda
Applied Environmental Research
Coal combustion generates many gases and emissions which are harmful to public health and the environment. So, it is necessary to assess the health risks for the people living in the nearby cement plants that use coal as a fuel. In this article, a health risk assessment HRA was carried out concerning the air emissions from a cement plant in the heavy industry area located at Beni Suef governorate - Egypt. The article handles the assessment of the health risks for pollutants classified as non-carcinogenic i.e. sulfur dioxide - mercury and the health risks for pollutants classified as carcinogenic i.e. …
Preliminary Study And First Evidence Of Presence Of Microplastics In Green Mussel, Perna Viridis From Phuket, Phaothep Cherdsukjai, Vararin Vongpanich, Pensiri Akkajit
Preliminary Study And First Evidence Of Presence Of Microplastics In Green Mussel, Perna Viridis From Phuket, Phaothep Cherdsukjai, Vararin Vongpanich, Pensiri Akkajit
Applied Environmental Research
Plastics can reach the coastal environment and could impact the marine environment. Mussels are marine organisms which are prone to be exposed to microplastics pollution. Therefore, in this preliminary study, the commercially important green mussel (Perna viridis) collected at the Koh Phee Canal in Phuket, Phuket Province, southern peninsular Thailand, was investigated. The collected mussels from aquaculture farm fell into three age groups, namely 1 year-1 month, 1 year-7 months, and 1 year-9 months. Results from the investigation showed 200 items of microplastics present in Perna viridis with 76 items (38%) in flushed water and 124 items (62%) …
Using Theory Of Planned Behavior To Determine Consumer Intention In Choosing Cloth Vs Plastic Bags, Zahra Batooli, Saeed Zarein-Dolab, Azam Mohamadloo, Mitra Rahimzadeh
Using Theory Of Planned Behavior To Determine Consumer Intention In Choosing Cloth Vs Plastic Bags, Zahra Batooli, Saeed Zarein-Dolab, Azam Mohamadloo, Mitra Rahimzadeh
Applied Environmental Research
Plastics bags waste presets serious danger to human and animal health. A descriptive study was conducted on 250 consumers who were shopping in different stores of Kashan city in Iran in 2020 to investigate the consumers’ intention, attitude, subjective norms and perceived behavioral control towards reducing the consumption of plastic bags and using cloth bags based on the theory of planned behavior (TPB). Stratified sampling was applied to select the consumers to filled out a questionnaire developed based on the TPB in Farsi. A path analysis was used to investigate whether attitude, subjective norms, and perceived behavioral control would have …
Analysis Of Potential Site For Managed Aquifer Recharge Scheme In The Upper Greater Mae Klong Irrigation Project, Thailand, Yutthana Phankamolsil, Areeya Rittima, Sasipong Rantasewee, Yutthana Talaluxmana, Kritsanat Surakit, Allan Sriratana Tabucanon, Wudhichart Sawangphol, Jidapa Kraisangka
Analysis Of Potential Site For Managed Aquifer Recharge Scheme In The Upper Greater Mae Klong Irrigation Project, Thailand, Yutthana Phankamolsil, Areeya Rittima, Sasipong Rantasewee, Yutthana Talaluxmana, Kritsanat Surakit, Allan Sriratana Tabucanon, Wudhichart Sawangphol, Jidapa Kraisangka
Applied Environmental Research
This study developed a groundwater flow model to propose the possible Managed Aquifer Recharge (MAR) scheme for sustainable use of groundwater in the Upper Greater Mae Klong Irrigation Project, Thailand. The site suitability for MAR scheme was assessed through the GIS–based Multi–Criteria Decision Making (MCDM) using the Simple Additive Weighted (SAW) method. Five key relevant factors namely; groundwater drawdown, soil texture, depth to groundwater table, land slope and distance to surface water source were chosen as assessment criteria and reclassified for the analysis of site selection for MAR scheme. The results illustrate the potential site for the managed aquifer recharge …
Assessment Of Organophosphorus Pesticide Residues In Water And Sediment Collected From The Southern Caspian Sea, Reza Golshani, Ghasem Ghorbanzadeh Zafarani, Maksim Rebezov, Samaneh Karbalaei, Tony R. Walker
Assessment Of Organophosphorus Pesticide Residues In Water And Sediment Collected From The Southern Caspian Sea, Reza Golshani, Ghasem Ghorbanzadeh Zafarani, Maksim Rebezov, Samaneh Karbalaei, Tony R. Walker
Applied Environmental Research
Pollution of water resources by uncontrolled pesticide use is a serious health and environmental issue. In this study, concentrations of three organophosphorus pesticides (diazinon, malathion, and azinphos-methyl) in water and sediment samples from five estuaries (Sefidrud, Chalus, Babolrud, Tajan, and Gorganrud) along the Caspian Sea were investigated. Samples were collected from surface water and sediment during summer to autumn, and pesticides were analysed by gas chromatography-mass spectrometry (GC-MS). Results indicated that salinity and turbidity in Gorganrud were higher (salinity: range 2–8%; turbidity: range 1–9%) compared to other stations. Higher diazinon (water: 0.08±0.06, sediment: 0.04±0.01), malathion (water: 0.09±0.06, sediment: 0.05±0.01) and …
Sustainable Energy Transition In Thailand: Drivers, Barriers And Challenges Of Waste-To-Energy At Krabi Province, Chariya Senpong, Dawan Wiwattanadate
Sustainable Energy Transition In Thailand: Drivers, Barriers And Challenges Of Waste-To-Energy At Krabi Province, Chariya Senpong, Dawan Wiwattanadate
Applied Environmental Research
Waste-to-Energy (WtE) has been considered as an option to eliminate Krabi’s problems of municipal solid waste (MSW) management. A survey on WtE potential as well as key drivers, barriers, and challenges to overcome the barriers was conducted in this study. The study found high WtE potential due to huge amount of many years accumulated MSW in couple with the increasing trend of new daily waste generation. Meanwhile, Krabi is an island having land limitation for landfill. The urgent need to eliminate the huge amount of MSW has become a key driver for WtE implementation. One more key driver of WtE …
Magnetization Of A Biochar Derived From Orange Peel And Its Application For The Removal Of Crystal Violet, Issam Boudraa, Sevde Ustun Odabasi, Maryam Bareera, Hassan Ayadi, Brahim Kebab, Hanife Buyukgungor
Magnetization Of A Biochar Derived From Orange Peel And Its Application For The Removal Of Crystal Violet, Issam Boudraa, Sevde Ustun Odabasi, Maryam Bareera, Hassan Ayadi, Brahim Kebab, Hanife Buyukgungor
Applied Environmental Research
In this work, biochar synthesized from orange peel modified with magnetite was used as an alternative magnetic adsorbent for dye removal. The magnetization of the synthesized biochar was done using the co-precipitation method. The obtained composite was characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM), and Raman spectroscopy. The efficiency of magnetized biochar (OPB/Fe3O4) was studied in the process of removing crystal violet (CV) from an aqueous solution at different temperatures. The experimental data obtained for the kinetic studies were better fitted to the pseudo-second-order model, and the isotherms data were well fitted to the Langmuir model. The results …
Performance Of Porous Substrates For Domestic Wastewater Treatment Under Prolonged Hydraulic Retention Time, Pakawat Janyasupab, Arunothai Jampeetong
Performance Of Porous Substrates For Domestic Wastewater Treatment Under Prolonged Hydraulic Retention Time, Pakawat Janyasupab, Arunothai Jampeetong
Applied Environmental Research
Physicochemical characteristics of porous substrates (longan biochar, corn biochar, and pumice) including specific surface area (SSA), pore volume (Vp), and cation exchange capacity (CEC) were determined. Longan biochar had the highest SSA, Vp, and CEC, followed by corn biochar and pumice. Then, columns filled with each of these 3 substrates together with gravel as a control treatment, were evaluated to compare wastewater treatment efficiency under different hydraulic retention times (HRTs). Each system had been acclimatized with wastewater for 8 weeks. Then, influent and effluent were analyzed at 1, 3, 5, and 7 day intervals. Water analysis revealed that biochar-based systems …