Effects of the presence of antibiotics in the environment

Due to the increasing use of drugs in communities, one of the most important problems in the world is the presence of these substances, especially antibiotics, in the environment. The presence of these substances can have devastating effects on the environment and human health. In recent years, these drugs have been continuously discharged into the environment without any restrictions; Although their entry into aquatic environments may be low, their continuous navigation due to their cumulative effect can be considered a major threat to aquatic ecosystems and their microorganisms. The presence of these antibiotics in the environment, including the aqueous environment, can cause various reactions from simple allergies to in some cases direct toxicity; In addition, the presence of these drugs in the environment leads to the resistance of organisms to antibiotics, which seriously threaten the functioning of the ecosystem and human health.

In general, the effects of the presence of antibiotics can be divided into 4 categories, which are:

1. Wastewater

Aquatic environments, including sewage, as the main recipient of intestinal bacteria, are a favorite place for many bacteria to become resistant to various types of antibiotics. Due to the fact that a few antibiotics are biodegradable, most of them go through biological wastewater treatment processes and enter the environment without decomposition and metabolism.

2. Surface water

Substances that have not been removed in the wastewater treatment plant or have been removed in small amounts will eventually reach surface waters, which may affect various organisms. Among the organisms that are sensitive to antibiotics in surface water, we can mention green-blue algae.

3. Sediments and soil

Soil is one of the ecosystems that have large amounts of antibiotics due to receiving animal fertilizers. Antibiotics affect soil-dwelling microorganisms. Antibiotics may affect the quantity and quality of microorganisms and reduce the number of soil microorganisms.

4. Impact on humans

Antibiotics and antibiotic-resistant genes have been observed in purified water and the distribution system. The presence of antibiotic-resistant genes poses health risks to humans through the transfer of bacteria-resistant genes. Studies have shown that some antibiotic-resistant microorganisms can survive chlorination operations and eventually enter the drinking water system. Although the concentration of antibiotics in the surface water is very low, many people are concerned about the presence of drugs in drinking water because the drugs are designed to act on certain proteins. Among the effects of antibiotics can be allergic reactions. One of the effects of using tetracycline on children is damage to the teeth. Humans are also exposed to these substances by consuming plants and vegetables such as carrot root, lettuce leaves, and corn, which have absorbed antibiotics from water or sediments.

In engineering, there are several ways to remove these materials. Given the destructive effects of the presence of these substances in the environment, the importance of maximum elimination of drugs, especially antibiotics, is obvious.

Some methods of removing antibiotics are:

  1. Advanced oxidation
  2. Adsorption
  3. Use of biosorbents
  4. Biological degradation
  5. Electric coagulation
  6. Pre-treatment with a continuous batch reactor
  7. Secondary sludge treatment

Author: Maryam Pasandidehnia, Study of Separation of Antibiotics from Wastewater by Adsorption Method, 2021

2nd workshop on life cycle assessment

Life cycle assessment is a “cradle to grave” approach to assess industrial systems. The comprehensive approach, namely, “cradle to grave”, starts the assessment with the collection of the raw materials for producing things and ends with the return of the consumed product to the ground. Life cycle assessment makes it possible to estimate the cumulative environmental effects of all production process stages of the product’s life cycle. LCA is one of the experts that environmental engineers should be familiar with to be able to professionally evaluate projects, products, activities, etc., and make vital decisions to reduce environmental impacts. Today, to facilitate LCA for environmental engineers, some software has been developed. One of the most famous ones is openLCA software, which is open-source, practical, and common among engineers. In this course, the LCA approach and openLCA software will be trained.

  • Time: 10th- 11th July 2021 4:00 PM- 8:00 PM
  • Costs:
    • Students of Amirkabir University of Technology (AUT): 2,700,000 Rials
    • Members of AUT Office of Sustainability: 2,700,000 Rials
    • Other students: 3,200,000 Rials
    • Others (not student): 4,500,000 Rials
  • Online platform: Adobe Connect
  • Certificate will be awarded on behalf of AUT Office of Sustainability

ظرفیت دوره تکمیل شده است. با تشکر از همراهی شما The course is fully booked. Thank you

Workshop on river flood simulation and analysis using two-dimensional HEC-RAS model

The Iranian Water Resources Science and Engineering Association and the Center for the Study and Development of Water Technology (Fanab) are holding:


“River flood simulation and analysis using two-dimensional HEC-RAS model”

Workshop details

  • Workshop time: Thursday and Friday, August 24 and 25, from 9 am to 5 pm
  • Workshop duration: 16 hours (two days)
  • Venue: Amirkabir University of Technology
  • Tuition for participating in the workshop per person: 450,000 Tomans

Workshop instructor

  • Dr. Asghar Azizian
  • Faculty member of the department of Civil Engineering, Imam Khomeini International University
  • Author of several books

Why should I participate in this workshop?

The growth and development of numerical models for simulating the hydrodynamic pattern of flow and flood have provided the basis for the use of these models and their use in research. Therefore, having sufficient knowledge of these softwares is a necessity.
By participating in this workshop, mastery of using the numerical model to be used in research and applied studies is achieved and creates the background for the development of the use of numerical models in applied projects.

Workshop topics

  • Introduction Description of different parts of HEC-HMS model
  • Learn how to build a rainfall-runoff model of a basin using the HEC-HMS model
  • Learning how to calibrate the HEC-HMS model with different methods
  • Description of different outputs of HEC-HMS model
  • Introducing the two-dimensional model HEC-RAS
  • Learn how to build a computational network and import digital elevation models into a two-dimensional model environment
  • Learn how to connect to online resource maps such as Google Earth and NASA Maps in the HEC-RAS environment
  • Learn how to combine one-dimensional and two-dimensional models simultaneously in the HEC-RAS model
  • Teaching numerical settings and examining its effect on model performance
  • Investigation of various factors causing numerical instability
  • Create graphic, tabular and animated outputs from flow parameters at different times
  • Investigating the sensitivity of the two-dimensional model to the dimensions of the computational mesh
  • How to transfer the results of the hydraulic model to the GIS environment

Workshop considerations

  • In order to increase the executive quality and content of the workshop, the capacity of the workshop is limited.
  • Participants must be in class 15 minutes before the workshop begins.
  • Participants must bring their ID card with them on the day of the workshop.
  • Participants must have a computer to use the workshop more effectively.
  • At the end of the workshop, participants will be awarded a certificate appropriate to the final exam of the course.
  • At the end of the workshop, participants will join a cyberspace group to discuss and share their questions.
  • The workshop video will be given to the participants at the end of the workshop.
  • Workshop schedule, software download link and required files will be sent to participants before the workshop starts.

Workshop registration link

The 8th issue of the newsletter of office of sustainability has been published

The 8th issue of the newsletter of Office of Sustainability has been published by the efforts of volunteer and eco-friendly students and alumni. In this issue you will read about:

  • Test anxiety
  • A report of the programs executed in the past season
  • Study of Shared Bike Design in Tehran
  • Unsustainable development
  • and other interesting contents

You can download the electronic newsletter from the publications section of the website and send your comments and suggestions to

Webinar with the National University of Singapore

On Monday, December 26, 2018, at 13:30, a webinar will be held with the Office of Sustainable Development of the National University of Singapore (NUS) with the aim of exchanging experiences and transferring technical knowledge.

We invite you to join us in this program.

Urmia Lake Rehabilitation Headquarters Review: How to Manage Water Supply Needed for Lake Urmia Rehabilitation

Urmia Lake Rehabilitation Headquarters Review: How to Manage Water Supply Needed for Lake Urmia Rehabilitation

The first session of a series of specialized meetings to review the performance of Lake Urmia Rehabilitation Headquarters with the focus on how to manage the required water resources, on Tuesday, July 3, hosted by the Office of Sustainability of Amirkabir University and Sharif University of Technology and Lake Urmia Rehabilitation Headquarters was held at Amirkabir University. The panel members of this meeting were:

– Dr. Reza Maknoon (Chairman of the meeting and Chairman of the High Monitoring and Evaluation Committee of Lake Urmia Rehabilitation Headquarters),

– Dr. Mehdi Ahmadi (Secretary of the meeting),

– Dr. Masoud Tajrishi (Director of Planning and Integration Office of Urmia Lake Rehabilitation Headquarters),

– Eng. Mohammad Haj Rasouliha (CEO of Iran Water Resources Management Company),

– Dr. Jamshid Mousavi (Head of Water Resources Working Group of Urmia Lake Rehabilitation Headquarters)

– Eng. Arash Akhavan (Director of Operation Office of Water Supply Facilities of Iran Water Resources Management Company)

The main axes studied in this meeting include reviewing the implemented model of operation of dam reservoirs in the last 4 years, reviewing the status of resources and consumption of reservoirs in the catchment area of Lake Urmia and reviewing different models for predicting inflow and operation of dam reservoirs. At this meeting, Eng. Akhavan first presented a report on the planning process carried out to rehabilitate Lake Urmia, the forecasting model used and the measures taken. Then it was the turn of Dr. Mousavi to present a report on the research and activities carried out to provide an improved model for better management of water resources in the area. Engineer Haj Rasouliha then gave a general explanation about the performance of the headquarters. In the last part of the section related to the evaluation of the headquarters’ performance, Dr. Tajrishi explained the situation of Lake Urmia and then it was the turn of the question and answer section that Dr. Maknoon asked questions from the panel members about the future of the lake and the future plans of the headquarters.

Finally, the main points agreed upon by the panel members included the following sections:

  1. One of the most important factors influencing the revitalization of Lake Urmia are dams; Because among 16 important rivers supplying water to Lake Urmia, a national dam has been built on 8 of them. In addition, for example, studies on Buchan Dam, as the most important dam, show that the release of water from this dam has had a great effect on the level of the lake. Therefore, management and planning for dams in order to rehabilitate the lake is very important.
  2. It is necessary to use a suitable model in order to manage the water of the dams and annual planning for their operation; However, it should be noted that the basic information used in the model has as little error as possible and is based on continuous monitoring and the latest information to be in good agreement with the real situation.
  3. The proposed model should be well adapted to changing predicted conditions; Because the amount of rainfall in recent years has shown that the uncertainty in the forecasts has been high.
  4. To rehabilitate Lake Urmia, managing and improving the operation of dams alone is not enough and saving water consumption in the agricultural sector up to about 40% is essential. Otherwise, it is not possible to revive Lake Urmia.
  5. At present, it seems that there is enough water and knowledge to rehabilitate the lake, and by improving the planning models for the operation of the dams, as well as optimizing water consumption in the agricultural sector, it will be possible to rehabilitate Lake Urmia.
  6. There is no need to form other rehabilitation headquarters to manage other catchment areas and water resources in the country, and the experiences gained for the rehabilitation of Lake Urmia can be used as a suitable program and roadmap for other examples in the country.

Study of the system of sustainability indicators in Iran

  • Analysis and review of sustainable development indicators
  • Study of roadmap and actors for sustainable development goals (SDGs) and related reports (OWG, HLPF, SDSN, UNSTT, UNSC, etc.)
  • Compilation of a set of national indicators of sustainable development for Iran
  • Strengthening Sustainable Development Goals (SDGs) with the participation of various organizations in the country
  • Designation of responsibilities regarding the Sustainable Development Goals (SDGs)
  • Develop surveys and expert advice on Sustainable Development Goals (SDGs) and Sustainable Development Goals Indicators
  • Analyze surveys and provide solutions and suggestions


Signs inserted in plastic containers

Have you ever wondered what these numbers are engraved on the bottom of plastic containers? If you are careful, letters or numbers, and sometimes both, are usually written in the middle of the recycling logo. If you have not seen it, do not worry, unfortunately, every moment you want, there is so much plastic container around you that you just have to reach out to pick one up.
But the story of these numbers: plastics are divided into 7 groups according to their type. With this knowledge, recyclable plastics, hazardous, low-risk, etc. will be identifiable.

Number 1: PETE or PET, which are the same bottles of mineral water that are relatively safe, but because of its porosity, bacteria can penetrate into the bottle, so I’m sorry to say that it is better not to reuse them. Leave them in the dry waste.

Number 2: HDPE or dense polyethylene. Plastic is safe. It is a dull color. Dishwashing liquid and other detergents are such plastics and are suitable for recycling dishes.

Number 3: PVC, which usually pipes are made of, as well as plastic raw materials that stick to food containers and liquid oil bottles. This type of plastic should never come close to heat when cooking because heat releases chemicals into the PVC and penetrates into the cooking food, causing hormonal disturbances, so use as much as you can. Avoid dishes with this material. Never put the material with the growing plastic in the microwave. In fact, these PVCs are bad and are not easily recycled.

Number 4: LDPE or low-density polyethylene. The same nylon shopping bags. These bags are safe but unfortunately usually non-recyclable.

Number 5: PP or polypropylene. Yogurt dishes and similar dishes that have wide openings. Also straw drinks. They are safe and easily recycled.

Number 6: PS or polystyrene. The same disposable tableware. These containers contain potentially toxic substances, especially when heated. Do not use these containers as much as possible. Most of the time they were non-recyclable.

Number 7: The same famous option of other cases. From computer cases and iPods to food containers. Using this plastic, especially for food, is always your last resort, and this number 7 is usually non-recyclable.

I do not know if you noticed or not, but the worst ones were the nylon bags and disposable containers that are both toxic and difficult to recycle. But unfortunately, these worst ones are also among the most.


Steps of implementing occupational safety and health management system in student dormitories

University and student are the main assets and axes of scientific, cultural and social development of the country and the student dormitory as the second home of the student is of special importance in promoting spiritual vitality, maintaining mental and physical peace, developing thought, character development and increasing the educational quality of students.

For the first time in Iran, design and implementation of safety and health management system under OHSAS18001: 2007 standard in dormitories of Amirkabir University of Technology in order to prevent accidents and protect students’ lives and property, facilitate and improve life in dormitories, develop and implement regulations guiding and transparent criteria were performed with the aim of observing individual and collective rights, strengthening the spirit of responsibility and self-confidence by using students’ opinions, providing health, health and safety.

OHSAS 18001: 2007 has been developed to respond to the urgent need of organizations for a standard of occupational health and safety management system by which they can evaluate and emphasize their management system. This standard is divided into two parts, the first part includes specifications Based on which a certificate is obtained and the second part which is a guide to implement an occupational health and safety management system.

The issues that were considered with the implementation of the dormitory standardization plan and the establishment of a safety and health management system are:

  1. Increasing the safety factor of dormitories
  2. Accident prevention
  3. Identify and evaluate safety and health risks and provide solutions
  4. Control of physical, chemical and biological harmful factors
  5. Measurement of ergonomic factors and reduction of stressors
  6. Noise measurement and control
  7. Lighting measurement and control
  8. Measurement of cold, heat and humidity
  9. Develop and implement emergency response plans (fire, earthquake, etc.) to prepare students for disasters, natural disasters, etc.
  10. Compilation and implementation of periodic safety and health audits in dormitories
  11. Periodic evaluation of the compliance of safety and health in dormitories with international standards
  12. Holding training courses in the field of safety and health and raising the level of information and awareness of students
  13. Promoting the reputation of the university in public and internationally
  14. Providing healthy and effective competition between universities and improving the level of safety and health in dormitories

Benefits of obtaining a safety and health management system certification

  1. Develop a planned and documented approach to health and safety.
  2. A clear safety management structure is created that defines the scope of responsibilities
  3. Awareness and knowledge about health and safety increases.
  4. A safer and healthier living environment is created for students.
  5. The risk of accidents and diseases is reduced.
  6. Time lost due to illness and injuries to students is reduced
  7. Costs to pay damages and possible fines will be reduced.

Implementation steps of safety and health management system based on OHSAS 18001: 2007 standard in Amirkabir University of Technology

Assessing the health-safety status: One of the best possible ways to assess the current situation in an organization is its compliance with one of the world standard models. In this regard, in checking the health-safety status of the dormitories, checklists in accordance with the requirements of OHSAS 18001: 2007, which can cover the relevant purposes, have been used.

System design: When designing a safety and health management system, relevant documentation is done. These documents are in the form of executive procedures, work instructions, regulations, safety and health policy.

Establishment of the system: After the documentation and implementation of the safety and health management system in the dormitories, according to the design, was done. At this stage, the records of the implementation of the system for preparing and measuring harmful pollutants in the dormitory environment were done. Internal audit of the safety and health management system was performed for self-assessment at this stage, and after eliminating the non-compliance of the internal audit, the preparations for certification were provided.

Obtaining certification: At this stage, reputable international certification companies were invited to issue certificates, and after the final audit stage by the certification company, the certification stage was performed and the dormitories of Amirkabir University of Technology in March 2008 succeeded in receiving International certificate OHSAS 18001: 2007.