Hadi Eslami

• Associate Professor, Environmetal health eng
• Professor (Associate) at Rafsanjan University of Medical Sciences

Synthetic dyes are one of the most important contaminants in textile wastewater, which are often toxic and carcinogenic. This study aimed to determine the efficiency of coagulation and flocculation process using polyferric chloride (PFC) and polytitanium tetrachloride (PTC) in removing Reactive Blue 19 (RB19) anionic dye from aqueous solution. This...

In this study, the concentration and spatial distribution of potentially toxic metals (PTMs), including arsenic (As), cadmium (Cd), chromium (Cr), lead (Pb), copper (Cu), iron (Fe), manganese (Mn), and magnesium (Mg) in 23 wells and drinking groundwater distribution networks of Rafsanjan, located in southeast Iran were evaluated. Moreover, the asse...

Coronavirus or COVID-19 is a new type of virus causing severe acute respiratory syndrome which rapidly speared in the worldwide from 2019. One of the related concerns is the presence of the virus in human feces and sewage and the possible transmission routes of SARS-CoV-2. This study reviewed the risk of coronavirus exposure in wastewater treatment...

This study aimed to assess the ecological risks of heavy metals in Morus alba leaves in Rafsanjan and Sarcheshmeh, southeast area of Iran, in 2022. Morus alba leaves were collected from the trees surrounding the streets in 14 sampling stations. Heavy metals including As, Cr, Cu, Ni, Pb, Zn, and Mn, and other metals including Al, S, P, Na, K, Mg, an...

Environmental Arsenic (As) exposure is one of the main health challenges in different area of the world. As is a significant factor responsible to the reproductive system toxicity in both male and female. In this study, the most important effects mechanisms and biomarkers related to environmental exposure to As and the reproductive system toxicity,...

Sodium chloride, commonly referred to as table salt, is the most widely utilized seasoning in culinary applications. Nevertheless, the most of oral salts used contain impurities. Arsenic (As), mercury (Hg), cadmium (Cd), and lead (Pb) are the most common impurities found in salt. In this meta-analysis, we examined the status of Pb, Hg, Cd, and As i...

Background The coronavirus disease 2019 (COVID-19) pandemic has become a major challenge to healthcare systems and public health policies globally. Some people are more susceptible to coronavirus. The impact of opium use as a risk factor for COVID-19 is yet uncertain. This study investigate the effect of opium consumption on the severity of COVID-1...

Introduction: Pesticides, particularly highly toxic organophosphates, are widely used in agriculture and can disrupt the endocrine system. This study aims to determine thyroid function indicators in agricultural workers exposed to pesticides in Rafsanjan city, Iran, in 2023. Material and Methods: This 10-month (from March 2023 to January 2024) case...

Introduction: Indiscriminate consumption of energy, environmental pollution, and destruction of natural resources are among the most important issues related to pro-environmental behavior of people in society, and environmental values play an important role in shaping internal motivations of people about environmental issues. This study was conduct...

The Coronavirus disease 2019 (COVID-19) has influenced the life of all people around the world. This study analyzed the relationship between the weather elements (daily temperature, wind speed and humidity) and daily active, recovered and dead cases of COVID-19 in Rafsanjan, southeast area of Iran. COVID-19 data and meteorological variables were ob...

Introduction: Heavy metals (HMs) are one of the most important and dangerous pollutants in water resources. This study aimed to determine the HMs concentrations in city water purifier devices or stations in Rafsanjan, Iran in 2022. Materials and Methods: This study was conducted descriptively and on a laboratory scale on the input and output of 16...

Bladder cancer, prostate cancer, and kidney cancer, due to their high morbidity and mortality rates, result in significant economic and health care costs. Arsenic exposure affects the drinking water of millions of people worldwide. Long-term exposure to arsenic, even in low concentrations, increases the risk of developing various cancers. Smoking i...

This study aimed to investigate the effect of vermicomposting process in removal of sulfamethoxazole (SMX) and trimethoprim (TMP) antibiotics in cattle manure. In this experimental study, vermicomposting process was performed in 6 reactors on a pilot scale. The cattle manure (3.5 kg) and Eisenia foetida worms (120 g) were added to each reactor. Sul...

In the present study, the life cycle of two milk packaging containers (Polyethylene terephthalate PET and low-density polyethylene; LDPE) was assessed with an emphasis on different product-life scenarios in Iran. The functional unit was adjusted to work on one ton of plastic milk packaging containers. The system boundary included all life cycle sta...

Contamination of farmland soils by trace elements (TEs) has become an international issue concerning food safety and human health risks. In the present research, the concentrations of TEs including cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), manganese (Mn), nickel (Ni), lead (Pb), zinc (Zn) and iron (Fe) in soils of 16 farmlands were det...

Introduction: Chronic exposure to Arsenic (As) can increase the risk of diabetes mellitus. This study aims to determine the relationship between exposure to the As by drinking water and the prevalence of diabetes mellitus in two urban populations of Rafsanjan and Kashkuyeh, Iran, in 2020. Materials and Methods: In this research, 120 participants f...

Contamination of farmland soils by trace elements has become an international issue concerning food safety and human health risks. In the present research, the concentrations of trace elements including cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), manganese (Mn), nickel (Ni), lead (Pb), zinc (Zn) and iron (Fe) in soils of 16 farmlands was...

Background and Objectives: Evaluating knowledge and attitude towards healthy behaviors can help develop educational programs and identify the weakness of people in the field of health information in emergency situations. This study aims to determine the knowledge and attitude of students in Rafsanjan University of Medical Sciences (RUMS) regarding...

The present study compared the polytitanium chloride (PTC) and polyferric chloride (PFC) in removal of Pollutants from young and old solid waste leachate. Moreover, synthesis of PTC and PFC coagulants, field emission scanning electron microscopy (FESEM) images, energy-dispersive X-ray spectroscopy (EDX) analysis, Fourier transform infrared spectros...

Introduction: Corrosion and scaling are important factors affecting drinking water quality, causing health and economic problems. This study aimed to investigate the indicators of corrosion and scaling in Rafsanjan drinking water. Materials and Methods: The present descriptive cross-sectional study was conducted in winter 2018 and spring 2019 in Ra...

Background: This study aimed to determine the level of knowledge and attitude towards food safety and hygiene among the health-care staff in Rafsanjan University of Medical Sciences, Iran. Methods: This survey-descriptive was conducted on 101 staff working in primary health-care centers of Rafsanjan University of Medical Sciences who were selected...

This study aimed to compare and evaluate the toxicity of the co-composting process of pistachio dehulling waste combined with municipal sewage sludge (PW + SS) and date-palm straw combined with municipal sewage sludge (PS + SS). The process was evaluated over a 60-day period. During the process, physicochemical parameters (temperature, humidity, pH...

The Coronavirus disease 2019 (COVID-19) has influenced the live of all people around the world. This study analyzed the relationship between the weather elements (daily temperature, wind speed and humidity) and daily active, recovered and dead cases of covid-19 in Rafsanjan, in the southeast area of Iran. Covid-19 data and meteorological variables...

Background: Determining the level of physical activity and factors in female teachers can be effective in planning health promotion interventions. Therefore, this study was conducted to determine the level of physical activity and social factors affecting female teachers in Rafsanjan. Methods: in this descriptive study, the level of physical activi...

Background: Determining the level of physical activity and factors in female teachers can be effective in planning health promotion interventions. Therefore, this study was conducted to determine the level of physical activity and social factors affecting female teachers in Rafsanjan. Methods: in this descriptive study, the level of physical activi...

The aim of this study was to investigate the application of a mathematical model to rapid detect the adulteration in sesame, canola, and sunflower oils. To hit this target, we combined the refined sesame oil with canola and sunflower oils in different concentrations of 30–60%. Furthermore, fatty acid content of 12 samples of sesame, canola, and sun...

The current study investigated the efficiency of poly ferric chloride (PFC) and poly titanium tetrachloride (PTC) in coagulation-flocculation process for treatment of paper and cardboard wastewater. The effect of pH (5–11), coagulant concentrations (100–1000 mg/L), mixing rate (10–60 rpm), mixing time (5–25 min), and settling time (5–30 min) were e...

This study aimed to toxicity evaluate and compare the new co-composting process of pistachio dehulling waste combined with municipal sewage sludge (PW + SS) and date-palm straw combined with municipal sewage sludge (PS + SS). The process was evaluated over a 60-day period. During the process, physicochemical parameters (temperature, humidity, pH, e...

This study investigated the short-term effects of exposure particulate matter (PM10) in Zabol, Iran, from 2013 to 2015. The concentrations of PM10 recorded from 2013 to 2015 were given as the input to the software (AirQ 2.2.3) developed by the World Health Organization (WHO) to estimate the attributed proportion of the health effects and the number...

Chromium is a toxic and carcinogenic heavy metal that is found in high concentrations in industrial liquid tanning wastewater. Therefore, the elimination of this element from the wastewater to prevent its entry into the aquatic environment, which is the objective of this study, is of prime importance. To start with, the powdered activated carbon (P...

ORIGINAL ARTICLE Introduction: This study aimed to evaluate the most important public environmental issues and concerns, the public knowledge about these issues, as well as the quality of environmental issues in Rafsanjan, Iran. Materials and Methods: In this descriptive-analytical study, 384 people were randomly selected from Rafsanjan City and th...

In this study, the removal of Cu(II) and Zn(II) by new natural native vermiculite and kaolinite from aqueous solution and real acid mine drainage (AMD) was investigated. The adsorbents were characterized using X-ray fluorescence, X-ray diffraction and Fourier-transform infrared spectros- copy analysis. The effect of pH, contact time, temperature,...

High rate Arsenic (As (V)) removal from contaminated water resources was investigated by simultaneous presence of poly titanium chloride (PTC) and Fe2O3-Mn2O3 nanocomposite in the enhanced coagulation process along with precipitated flocs recirculation. In this study, the synthesis of Fe2O3-Mn2O3 and PTC and their characteristics, the effective par...

The current outbreak of the novel coronavirus disease 2019 (COVID-19) in more than 250 countries has become a serious threat to the health of people around the world. Human-to-human transmission of the Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) occurs most often when people are in the incubation stage of the disease or are carrier...

This case-control study aimed to investigate the relationship of indoor radon gas concentration and residential building characteristics with mental health with multiple sclerosis (MS) in Yazd City, Iran. The participants included 45 patients with MS and 100 healthy individuals. The participants’ socio-economic status and residential building chara...

This article is a Letter to the Editor and does not include an Abstract.

The current investigation was carried out to measure the concentration of PTEs in fillet tissue of common carp in Iran by the aid of a systematic review and meta-analysis. The conducted article screening covered the related publications from Scopus, PubMed, Embase, and Scientific Information Database (SID) databases between 1 January to 30 August 2...

This study was carried out to investigate Pb (II) and Zn (II) removal from aqueous solutions by Red Earth (RE) as a new local natural adsorbent in using the batch method. The chemical structure of RE adsorbent was characterized by XRF. Giles, Langmuir, and Freundlich isotherms were used to describe the adsorption data. The effect of metals concentr...

Introduction: Quality of life is a subjective and multidimensional concept that in recent years has been noticeable by researcher due to multilateral widespread of technology and industrialization process. Quality of life, was is individuals understanding of their status in the context of physical, mental and social impacts and to indicate the stat...

Background and Objectives In recent years, excessive use of groundwater resources and the discharge of urban and industrial wastewater in the environment has contaminated and reduced the quality of groundwater resources. The aim of this study was to determine the quality of drinking water resources in Rafsanjan city using water quality index (WQI)...

Powdered Peganum Harmala activated carbon (PPAC) was synthesized by a new activation method using ultrasonic waves (with a frequency of 37 KHz for 1 h) after carbonization and application to remove methylene blue (MB) from aqueous solutions. In this experiment, the characteristics of the PPAC were examined through BET, FESEM, and FTIR spectrum. The...

Background and Objectives: Today, use of wastewater treatment systems in urban and rural areas is necessary to protect the health of communities, prevent water resources pollution and reuse of wastewater. Therefore, this study aimed to select the best wastewater treatment method for Meybod villages in Yazd based on analytic hierarchy process (AHP)....

System dynamics is considered as a computer-aided approach to policy analysis and design. It includes the response and reaction of a system to external shocks. In the present research, following the sampling and testing phases, a system dynamics model was developed for modeling of phosphorus in facultative stabilization ponds. First, the scheme of...

The new Native Natural Bentonite (NNB) for adsorption of Pb(II) and Zn(II) ions from aqueous environments was investigated at 27 ± 10C by in batch laboratory experiments. Chemical and mineralogical structure of the NNB adsorbent was characterized by XRF and cation exchange capacity (CEC). The effect of pH, metals concentration, adsorbent dose, and...

Acid mine drainage (AMD) properties are high acidity, high concentration of sulfate and containing a wide range of heavy metal ions. This study was performed to remove the copper, zinc and nickel from AMD by four native natural clay minerals including bentonite, two types of volcanic ash soil (VAS-I, VAS-II) and red soil using both batch and contin...

Background: One of the factors influencing the level of general health and quality of life of individuals, is the level of social support that people enjoy. Given the importance of general health, quality of life and the amount of social support and their relationship with the level of physical activity in young people in Yazd province counties wer...

To manage the pistachio de-hulling waste (PW), investigated the co-composting process using a mixture of PW and cattle manure (CM) (5.5:10 dry weight) as well as PW and municipal dewatering sewage sludge (DSS) (1:10 dry weight) at the laboratory scale for 60 days. Compost toxicity was evaluated using the seed germination index (GI). The maximum tem...

In this study, iron nanoparticles (GnZVI) and zinc oxide nanoparticles (GnZnO) were synthesized by Peganum harmala seeds extract using green method, and were loaded on activated carbon derived from P. harmala seed (AC). TEM analysis showed that the nanoparticle size was smaller than 100 nm, while EDAX analysis confirmed that GnZVI and GnZnO were st...

The efficiency of granular Jujube stems (GJS) was investigated in removal of hazardous Cr(VI) oxoanion from contaminated solutions. The GJS was prepared under standard conditions and sized in 40–60 mesh using ASTM standard sieves. The effects of pH (3, 5, 7), adsorbent dose (4, 6 and 10 g/L), initial Cr(VI) concentration (0.5, 2 and 10 mg/L) and co...

Abstract In this study, a new hybrid system using multi-layer slow sand filter (MSSF), micro filter (MF) and ultra filter (UF) was investigated for the chemical oxygen demand (COD), linear alkylbenzene sulfonate (LAS), total suspended solid (TSS) and turbidity removal from the greywater at different organic loading rates (OLRs) (3.15-19.28 gCOD/(L....

Fe-Mn bimetal oxide nanocomposite was synthesized by a new aeration co-precipitation method. For this purpose, the Fe3+ and Mn3+ in a molar ratio of 2:1 were simultaneously precipitated in the presence of excess oxygen. The physicochemical, structural and optical properties of the synthesized nanocomposite were investigated by Field Emission Scanni...

The present study investigated biodegradation and removal of Reactive Red 198 (RR198) dye from aqueous environments using a new bacterial consortium isolated from textile wastewater sludge on laboratory scale via batch study. Two bacterial species, Enterococcus faecalis (EF) and Klebsiella variicola (KV), were identified after isolation, through bi...

Abstract This study investigated the efficient removal of As(V) from contaminated water using enhanced coagulation by Fe-Mn bimetal nano-oxides in combination with poly-ferric chloride (PFC) and poly-aluminum chloride (PAC). The effects of coagulant dose, initial pH, initial As(V) concentration, Fe-Mn nano-oxide dose and flocs properties were inves...

Abstract In this study, an innovative hybrid microalgal-bactrial membrane photobioreactor (HMPBR) and a microalgal-bactrial membrane photobioreactor (MPBR), was evaluated to biologically remove atrazine and CNP simultaneously from the secondary effluent and experimental models were employed to investigate the biokinetics of substrates applied in th...

Introduction: Iodine deficiency and associated disorders, which lead to a wide range of clinical manifestations, have been raised as one of the health and nutritional problems in Iran. Therefore, this study was aimed to investigate the amount of iodine in distributed salts in Abarkouh city in 2017-2018. Materials and Methods: Random sampling was do...

Enhanced treatment of ceramic-tile industry wastewater was investigated by modified coagulation–flocculation process using combination of poly-aluminum chloride (PAC) with anionic (A300), cationic polymer (C270) and nonionic polymers. The effects of pH, PAC coagulant dose alone and with polymers dose in various combinations was studied by jar tests...

Organic pollutants contaminate water resources and the environment when discharged into water streams. Also, the presence of these materials in incompletely treated or untreated wastewater leads to serious environmental hazards. The hydroxyl radicals and holes are regarded as the most oxidant species in the degradation of organic pollutants using t...

Problem: The process of industrialization and lifestyle changes have gradually exposed human ‎societies to a larger number of environmental risk factors, which may cause hormonal ‎abnormalities and congenital anomalies. Background: The current study aimed to investigate the relationship ‎between environmental factors and hormonal abnormalities a...

Extended aeration activated sludge system has a lower sludge production than other activated sludge processes. Due to its high hydraulic retention time (HRT), the tolerance of this process is higher than the shocks caused by increased organic loading rate. The main objective of this study is to evaluate the performance of the aeration system in rem...

Nitrate has been identified as a major pollutant in water resources. In this study, two new adsor-bents, namely, red local montmorillonite (RLM) and green local montmorillonite (GLM)were used as adsorbents, and their characteristics and performance in nitrate adsorption has been investigated. The most important factors in the adsorption process suc...

Abstract The efficiency of photocatalytic oxidation process in arsenite (As(III)) removal from contaminated water by a new Fe2O3-Mn2O3 nanocomposite under UVA radiation was investigated. The effect of nanocomposite dosage, pH and initial As(III) concentration on the photocatalytic oxidation of As(III) were studied by experimental design. The synthe...

The aim of this study was to evaluate the fluoride concentration in seven most consumed brands of tea in the Middle East which was imported to Iran through Zabol County. In the present study, the health risk of exposure to fluoride was estimated using a probabilistic approach. Monte Carlo simulation and sensitivity analysis were applied to quantify...

In this study, laboratory anaerobic migrating blanket reactor (AMBR) with four units was used to reduce and remove COD leachate of composting process; it was also used to determine the kinetic coefficients of COD removal and biogas and methane gas production in several different OLRs. The maximum concentration of organic matter entering the reactor...

In this study, the efficiency of Integrated Fixed-film Activated Sludge (IFAS) system in synthetic greywater treatment and nutrients removal was studied in duration of 105 days according to different Organic Loadings Rates (OLRs). The study was operated in pilot-scale and OLRs of 0.11–1.3 gCOD/L.d. Scanning Electron Microscope (SEM) image showed th...

This study investigated the biodegradability of composting leachate and biogas production in different Organic Loading Rates (OLRs) in lab-scale series AMBR-ASBR bioreactors, Anaerobic Migrating Blanket Reactor (AMBR) and Anaerobic Sequencing Batch Reactor (ASBR). The raw Leachate with OLRs of 1.04-19.65 gCOD/L.d went into the AMBR reactor and then...

Background & objectives: The use of geographic information system software (GIS) for monitoring water resources can be very effective to protect, manage and correctly operate water resources. The aim of this study was to assess groundwater quality in Yazd-Ardakan for agricultural purposes using GIS. Methods: In this study, to assess groundwater qua...

Linear alkylbenzene sulphonate (LAS) is widely used for household and industrial purposes while influencing negatively on the environment. Present paper aimed to study LAS biodegradation among different loading rates and fate of LAS in integrated fixed-film activated sludge (IFAS) using synthetic media. A synthetic wastewater among three LAS loadin...

The heavy metal (Pb, Cd, Cr, and Ni) content of a fish species consumed by the Sistan population and its associated health risk factors were investigated. The mean concentrations of Pb, Cd, and Cr were slightly higher than the standard levels. The Ni content of fish was below the maximum guideline proposed by the US Food and Drug Administration (US...

Background and aims: In every urban waste management plan, recycling and reuse is considered as an economic pattern. This study aimed to economic evaluation of municipal solid waste recycling in Yazd by cost-benefit analysis in 2015. Methods: This research is a descriptive–analytic study which in the data about quality and quantity of municipal sol...

The use of biodegradation methods by microorganisms in the removal of industrial dyes are widely considered owing to their high efficiency and compatibility to the environment. Therefore, this study aims to evaluate the biodegradation of methylene blue (MB) from aqueous solution by bacteria isolated from contaminated soil. This study was performed...

In this study, performance of Integrated Fixed-film Activated Sludge (IFAS) system in treatment of Linear Alkylbenzene Sulfonate (LAS), and oil & grease in synthetic greywater and effect of Organic Loading Rates (OLRs) on removal efficiency within a period of 105 days were investigated. Present study was carried out in a pilot scale under such cond...

This study aimed at utilizing geographic information system (GIS) and water quality index (WQI) for evaluation of the quality of groundwater in Birjand City, Iran. This study evaluated the physical and chemical parameters of 19 wells located in South Khorasan Province, within the boundary of Birjand City (with an area of 5,400 km 2). First, using A...

This study aimed at utilizing geographic information system (GIS) and water quality index (WQI) for evaluation of the quality of groundwater in Birjand City, Iran. This study evaluated the physical and chemical parameters of 19 wells located in South Khorasan Province, within the boundary of Birjand City (with an area of 5,400 km 2). First, using A...

Previous studies have shown that the presence of nitrate in drinking water can cause several diseases especially in the infants, such as cancer and blue baby. The Environmental Protection Agency (EPA) has since adopted the 50 mg/l standard as the maximum contaminant level (MCL) for nitrate for regulated public water systems. This study aimed to eva...

Background: Final exam is one of evaluation methods of students. We can utilize indexes such as difficulty index and discrimination index in order to analyze each test questions or to determine questions taxonomy. However, these methods have inter-testing look and do not consider the relationship between various tests results. Inter correlation bet...

Introduction: sequential batch reactor (SBR) is one of the modified biological treatment systems which is able to remove BOD 5 , Nitrogen, and phosphorus from wastewater. The object of this study is to determine the removal efficiency of nitrogen, phosphorus, and heavy metals from municipal wastewater by the advanced SBR system. Methods: This descr...

Introduction: Today, the growing amount of paper consumption and consequently deforestation and environmental destruction have imposed financial burden on different countries around the world. This study aimed to determine the level of knowledge, attitude, and performance of Yazd health volunteers on cutting down the consumption of paper. Methods:...

Studies have demonstrated that the presence of nitrate and nitrite in drinking water can cause some disease such as cancer and blu baby in the infant. The Environmental Protection Agency (EPA) has since adopted the 10 mg/L standard as the maximum contaminant level (MCL) for nitrate-nitrogen and 1 mg/L for nitrite-nitrogen for regulated public water...

Background: Linear alkyl benzene sulfonates (LAS) are the most important ionic detergents that produce negative ions in the environment. These compounds enter surface waters through domestic and industrial wastewaters and cause environmental hazards. Objectives: The present study was aimed at assessing the performance of advanced sequencing batch r...

Introduction: Today, transmitted diseases through food and food poisoning have been considered as a