Health impact assessment of air pollution in megacity of Tehran, Iran Tập 9 Số 1 - 2012
Kazem Naddafi, Mohammad Sadegh Hassanvand, Masud Yunesian, Fatemeh Momeniha, Ramin Nabizadeh, Sasan Faridi, Akbar Gholampour
Abstract
The aims of the present study were to provide quantitative data on the impact of air pollution on the health of people living in Tehran city, the most populated city of Iran. The approach proposed by the World Health Organization (WHO) was applied using the AirQ 2.2.3 software developed by the WHO European Centre for Environment and Health, Bilth...... hiện toàn bộ
Biodegradation of high concentrations of benzene vapors in a two phase partition stirred tank bioreactor - 2013
Ali Karimi, Farideh Golbabaei, Masoud Neghab, Mohammad Reza Pourmand, Ahmad Nikpey, Kazem Mohammad, Mohammad Reza Mehrnia
Abstract
The present study examined the biodegradation rate of benzene vapors in a two phase stirred tank bioreactor by a bacterial consortium obtained from wastewater of an oil industry refinery house. Initially, the ability of the microbial consortium for degrading benzene was evaluated before running the bioreactor. The gaseous samples from inlet and o...... hiện toàn bộ
Biosorption of methyl blue onto tartaric acid modified wheat bran from aqueous solution Tập 9 - Trang 1-6 - 2012
Shuhua Yao, Hong Lai, Zhongliang Shi
Tartaric acid modified wheat bran was utilized as adsorbent to remove methyl blue, a basic dye from aqueous solution. Batch experiments were carried out to study the effect of various experimental parameters such as initial solution pH, contact time, initial dye concentration and adsorbent dosage, on dye adsorption. The results showed that the modification of wheat bran by tartaric acid significan...... hiện toàn bộ
Preliminary study on optimization of pH, oxidant and catalyst dose for high COD content: solar parabolic trough collector Tập 10 - Trang 1-10 - 2013
Chandan Singh, Rubina Chaudhary, Kavita Gandhi
In the present study, solar photocatalytic oxidation has been investigated through laboratory experiments as an alternative to conventional secondary treatment for the organic content reduction of high COD wastewater. Experiments have been performed on synthetic high COD wastewater for solar photocatalytic oxidation using a parabolic trough reactor. Parameters affecting the oxidation of organics h...... hiện toàn bộ
Modeling perchloroethylene degradation under ultrasonic irradiation and photochemical oxidation in aqueous solution Tập 9 - Trang 1-7 - 2012
Mahdi Kargar, Ramin Nabizadeh, Kazem Naddafi, Simin Nasseri, Alireza Mesdaghinia, Amir Hossein Mahvi, Mahmood Alimohammadi, Shahrokh Nazmara, Bagher Pahlevanzadeh
Sonolysis and photochemical degradation of different compounds such as chlorinated aliphatic hydrocarbons are among the recent advanced oxidation processes. Perchloroethylene is one of these compounds that has been mainly used as a solvent and degreaser. In this work, elimination of perchloroethylene in aqueous solution by ultrasonic irradiation, andphotochemical oxidation by ultra violet ray and ...... hiện toàn bộ
Influence of liquid and gas flow rates on sulfuric acid mist removal from air by packed bed tower Tập 9 - Trang 1-7 - 2012
Mohammad Javad Jafari, Roohollah Ghasemi, Yadollah Mehrabi, Reza Ahmad Yazdanbakhsh, Majid Hajibabaei
The possible emission of sulfuric acid mists from a laboratory scale, counter-current packed bed tower operated with a caustic scrubbing solution was studied. Acid mists were applied through a local exhaust hood. The emissions from the packed bed tower were monitored in three different categories of gas flow rate as well as three liquid flow rates, while other influencing parameters were kept almo...... hiện toàn bộ