1. Efficiency investigation of chlorella vulgaris algae in removal of nitrogen, phosphorus and chemical oxygen demand from municipal and industrial wastewaters

mohammad javad chaboki; Ali Asghar Najafpoor; ziaeddin bonyadi; aliakbar dehghan

Volume 8, Issue 1 , June 2022, , Pages 59-67


  Background:Human activities, especially in construction and agriculture, introduce large amounts of nitrogen, phosphorus and organic matter into aquatic ecosystems. Method: In this study, municipal and industrial wastewater samples were obtained from wastewater treatment plant No. 1 of Parkand Abad and ...  Read More

2. Survey of heavy metals concentration (Pb,Cd,As,Hg) in vegetables of riverbank farmlands of Mashhad Kashafrood river-2018

ghasem ranjbar; Ali Asghar Najafpoor; Aliakbar Dehghan

Volume 6, Issue 2 , September 2020, , Pages 107-116


  Background and Objective: The main and most important way for heavy metals to enter human body is eating food. Given that vegetables are among main food sources. For this purpose, in this study heavy metals concentrations (lead, cadmium, Arsenic and mercury) in water and wastewater used, soil and vegetables ...  Read More

3. Treatment of Fresh Leachate From Municipal Solid Waste

maryam sarkhosh; Ali Asghar Najafpoor; mona tabriziazad

Volume 6, Issue 2 , September 2020, , Pages 193-196


  Treatment of Fresh Leachate From Municipal Solid Waste This study aimed at the examination of the efficiency of roughing filter in nitrate and chemical oxygen demand removal (COD), obtained in the fresh leachate from municipal solid waste landfill. Sampling was done in 3 rates 0.5m/h, 1m/h and 1.5 m/h, ...  Read More

4. Investigation of anaerobic co- digestion process effects on the removal of COD and TKN from Mashhad’s landfill leachate and cow dung

HOSEIN ALIDADI; Ali Asghar Najafpoor; somayeh etemadi mashhadi; Batoul Mohebrad; aliakbar dehghan

Volume 3, Issue 4 , March 2018, , Pages 320-327


  Introduction: Waste leachate contains hazardous organic compounds such as nitrogen compounds and high concentrations of poisonous compounds; the remediation of these pollutants from the environment is considered as a global problem. These pollutants make serious environmental problems through their penetration ...  Read More

5. Ciprofloxacin removal by Ozonation from aqueous solutions

Ali Asghar Najafpoor; omid nemati sani; hosein alidadi; aliakbar dehghan; Saeed Azarmi Moheb Seraj

Volume 3, Issue 2 , September 2017, , Pages 116-125


  Introduction: Ciprofloxacin is one of the most important synthetic antibiotics from the fluoroquinolone group and is widely used in medicine and veterinary medicine. The presence of fluorine atom in its composition has made stability and Sustainability. Recently, ozone is used for wastewater treatment, ...  Read More

6. Performance evaluation of combined Ultrasonic/UV process in Removal of Tetracycline Antibiotic from Aqueous Solutions using Response surface Methodology

Mohsen Yazdani; Ali Asghar Najafpoor; Ali Akbar Dehghan; Hossein Alidadi; mahmood dankoob; Reyhane Zangi; Sima Nourbakhsh; Reza Ataei; Ali Asghar Navaei fezabady

Volume 3, Issue 1 , May 2017, , Pages 11-20


  Background and objectives: Tetracycline is known as the second high consumed groups of antibiotics throughout the world, which their entrance into the domestic wastewater will lead to pollute the water resources. The aim of this study was to determine the performance of combined Ultrasonic/UVprocess ...  Read More

7. An Evaluation on the effects of composting plants on the environment in Iran ( A review study)

Ali Asghar Navaei fezabady; Hossein Alidadi; Ali Asghar Najafpoor; Mahmoud Dankoob; Mohsen Yazdani; Masoumeh Saghi; Mohammad Naser Shafiee

Volume 2, Issue 1 , June 2016, , Pages 38-51


  Background & objective: Evaluation of the effects on environment is an executive view for sustainable development. Solid waste is one of the factors that pollute the environment and the management, control and proper hygiene play a key role in promoting the health of society. So, in establishing ...  Read More