Environmental Engineering
1. Converting the cigarette butts into valuable products using the pyrolysis process

M. Hazbehiean; N. Mokhtarian; A. Hallajisani

Volume 8, Issue 1 , Winter 2022, , Pages 133-150

http://dx.doi.org/10.22034/gjesm.2022.01.10

Abstract
  More than 5.5 trillion cigarettes are manufactured, and approximately 4.5 trillion cigarette butts are being scattered across the globe per year. These cigarette butts are considered as one of the most hazardous wastes and environmental threats in the world. Thermochemical techniques can be used to turn ...  Read More

Environmental Science
2. Bio-oil production by pyrolysis of Azolla filiculoides and Ulva fasciata macroalgae

S. Pourkarimi; A. Hallajisani; A. Alizadehdakhel; A. Nouralishahi

Volume 7, Issue 3 , Summer 2021, , Pages 331-346

http://dx.doi.org/10.22034/GJESM.2021.03.02

Abstract
  BACKGROUND AND OBJECTIVES: In this study, the characteristics of bio-oil samples produced through slow pyrolysis of two different macroalgae, i.e. Azolla ‎filiculoides and Ulva fasciata, at optimized conditions were determined and compared.METHODS: For this purpose, the effects of temperature (300-500 ...  Read More

Environmental Science
3. The effects of glucose, nitrate, and pH on cultivation of Chlorella sp. Microalgae

H. Nouri; J. Mohammadi Roushandeh; A. Hallajisani; A. Golzary; S. Daliry

Volume 7, Issue 1 , Winter 2021, , Pages 103-116

http://dx.doi.org/10.22034/gjesm.2021.01.08

Abstract
  BACKGROUND AND OBJECTIVES: Bioenergy is a phenomenon that has attracted humans’ attention for about a century. The desirable biological properties of chlorella sp.microalgae have turned it to one of the most ideal options for the production of biodiesel. However, the economic issues must be taken ...  Read More

4. Investigation of optimal condition for Chlorella vulgaris microalgae growth

S. Daliry; A. Hallajisani; J. Mohammadi Roshandeh; H. Nouri; A. Golzary

Volume 3, Issue 2 , Spring 2017, , Pages 217-230

http://dx.doi.org/10.22034/gjesm.2017.03.02.010

Abstract
  Due to its abundance and also flexibility of cultivation conditions, Chlorella vulgaris microalgae is one of the most ideal options available in order to production of microalgae based biodiesel. Since vulgaris cultivation for fuel production needs economic considerations to be taken, and in first place ...  Read More