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Characterization of Some Iranian Natural Zeolites - ijcm.ir

promote their versatile industrial applications. In Iran, lack of a systematic and comprehensive research on the characterization of natural zeolites causes these valuable minerals to be relatively unknown. The aim of this research is to characterize some of the Iranian natural zeolites by means of

Kinetic Study of the Adsorption of Natural Organic Matter ...

supply industries. Natural zeolite is a low cost material that can be found in nature. Zeolite can be modified and used for removal of NOM from aqueous solutions. Objectives: In this study, for the first time, the efficiency of modified natural Iranian zeolite obtained from Semnan mines was investigated for removal of NOM from aqueous solution.

Comparative and competitive adsorption of cadmium, …

Pretreatment of natural zeolite Sample of natural zeolite was taken from Iran. The samples were used in their natural state with no chemical modifi-cations. Zeolite ground into appropriate particle sizes by sieving with =10 mesh (2 mm). The crystallinity and …

Ammonia Removal from Aqueous Solutions by Iranian Natural ...

Abstract The capability of Iranian natural clinoptilolite for ammonia removal from aqueous solutions has been thoroughly studied. Both batch and continuous (column) experiments were carried out. The viability of this natural zeolite in reducing the leakage of ammonia to the environment through waste water streams was a main focus of this research.

Natural Zeolites as Effective Adsorbents in Water and ...

Natural zeolites as effective adsorbents in water and wastewater treatment ... Ming.N. References [1] S. [11] S. L.G. Campos.M. Ammonia removal from aqueous solutions by Iranian natural zeolite. were 2.R. Separation and Purification Technology 44 (2005) 229–234. Kesraouiouki. Recent developments in polysaccharide-based materials used as ...

Adsorption of Xylene From Air by Natural Iranian Zeolite

The optimum temperature of xylene adsorption on natural zeolite was 35℃ and by increasing temperature, the adsorption efficiency of natural zeolites was declined. It is important to note that the observed reverse trend in the breakthrough characteristic at higher temperatures was typical to most of the adsorbents/adsorbate system.

POROSITY, CHARACTERIZATION AND STRUCTURAL …

environment protection engineering vol. 39 2013 no. 1 doi: 10.5277/epe130111 nabiollah mansouri1, navid rikhtegar1, homayon ahmad panahi2, farideh atabi1, behrouz karimi shahraki3 porosity, characterization and structural properties of natural zeolite

Removal of acetone volatile organic compound using ...

N. Aghababaei: Removal of acetone volatile organic compound using modified clinoptilolite natural zeolite of Iran 19 3.5 Adsorption isotherms The adsorption isotherms of acetone using zeolite samples are shown in Fig. 4. Langmuir and Freundlich isotherm models were used to describe the equilibrium data of acetone. Langmuir isotherm

Iran Zeolite | Zeolite.ir

Welcome to Iran Zeolite, the leading producer and supplier of pure Natural Zeolite in Iran. We are dedicated to meet customers' needs with our commercial expertise in addition to our strong technical capabilities in our R&D department.

USING OF NATURAL ZEOLITES AS A HEAVY METALS ... - IWTC

USING OF NATURAL ZEOLITES AS A HEAVY METALS ABSORBER FOR WASTEWATER REUSE IN IRRIGATION Sayyed Hassan Tabatabaei *and Abdolmajid Liaghat** * Assistant Professor, Department of Water Engineering, Agricultural Faculty, Shahrekord University, Shahrekord, Iran E-mail: [email protected]

19. Soil cadmium stabilization using an Iranian natural ...

Geoderma 137 (2007) 388 – 393 com/locate/geoderma Soil cadmium stabilization using an Iranian natural zeolite A. Ansari Mahabadi a,1, M.A. Hajabbasi b,⁎, H. Khademi b, H. Kazemian c

Synthesis of nanocomposite based on Semnan natural zeolite ...

Iranian natural zeolite were used to obtain TiO 2 /natural zeolite as a heterogeneous catalyst for the degradation of a TC pharmaceutical capsule in an aqueous solution under visible light via a simple method. TiO 2 P25 was used as the base photocatalyst because of its good photocatalytic activity. Semnan natural zeolite (SNZ) was the adsorbent ...

Recent Applications of Zeolites, Natural Nanostructure ...

Iranian Journal of Organic Chemistry 4 (2009) 214-223 H. Beitollahi, S. A. Jafari Sadr 214 Recent Applications of Zeolites, Natural Nanostructure Materials Hadis Beitollah, Saied Abdolreza Jafari Sadr* Department of Geology,Islamic Azad University-Zarand branch-Iran

Removal of Ammonia from Air, using Three Iranian Natural ...

Iranian J Publ Health, Vol. 33, No. 1, pp.45-51, 2004 45 Removal of Ammonia from Air, using Three Iranian Natural Zeolites *H Asilian1, SB Mortazavi1, H Kazemian2, S …

Iranian natural clinoptilolite and its synthetic zeolite P ...

The natural zeolite used in this study was a clinoptilolite from Meyaneh region of Iran. The zeolite was ground and wet sieved to a particle size of 224Œ 500 µm. The powder was then washed with distilled water in order to remove probable soluble salts and dried …

Cement & Concrete Composites - KMI Zeolite

Zeolite tuff–lime mixtures have been widely used in construc-tions since ancient times. Today, more than 50 natural and 150 synthetic zeolite minerals are known and are used in various industries. In the cement industry, natural zeolite is a popular nat-ural pozzolan in …

Application of Iranian natural zeolite and blast furnace ...

Application of Iranian natural zeolite and blast furnace slag as slow sand filters media for water softening Ali Abdolahnejad, Afshin Ebrahimi, Negar Jafari Environment Research Center, Isfahan University of Medical Sciences (IUMS), Isfahan, Iran and Department of Environmental Health Engineering, School of Health, IUMS, Isfahan, Iran

Removal of Ammonia from Air, using Three Iranian Natural ...

Iranian J Publ Health, Vol. 33, No. Iranian J Publ 1, pp.45-51, Health, Vol. 33, No. 1, pp.45-51, 2004 2004 Removal of Ammonia from Air, using Three Iranian Natural Zeolites *H Asilian1, SB Mortazavi1, H Kazemian2, S Phaghiehzadeh1, Sj Shahtaheri3, M …

Removal of Ammonia from Air, using Three Iranian Natural ...

In this study the capability of three Iranian natural zeolites (Clinoptilolite) in point of view of removal of ammonia from air was investigated. Through this research, different zeolites from various regions of Iran including Semnan, Meyaneh, and Firoozkooh resources were considered to be studied.

Cd(II) Sorption on Iranian nano zeolites: Kinetic and ...

The pattern indicates that the Iranian natural zeolite used in this study was classified into clinoptilolite[12]. Clinoptilolite with the ideal formula of (Na,K) 6 Si 30 A l6 O 72.nH 2 O is the most common natural zeolite found mainly in sedimentary rocks of volcanic origin[13].

Natural zeolites as effective adsorbents in water and ...

we review the recent development of natural zeolites as adsorbents in water and wastewater treat-ment. The properties and modification of natural zeolite are discussed. Various natural zeolites around the world have shown varying ion-exchange capacity for cations such as ammonium and heavy metal ions.

Adsorption of fluoride from water by Al3+ and Fe3 ...

The large surface area of natural zeolite (i. e., clinoptilolite from Miyaneh region, Iran) was utilized to create active sites for fluoride sorption by exchanging Na+-bound zeolite with Fe3+ and Al3+ ions.

Soil cadmium stabilization using an Iranian natural zeolite

This research was carried out to investigate the effects of an Iranian natural zeolite (clinoptilolite) on stabilizing Cd-contaminated soil treated with 0.01 M CaCl 2 leaching solution. Zeolite from Firoozkouh (Tehran Province) was added to four soils from Gilan province, northern Iran.

The ۵th International Zeolite Conference of Iran

Importance of Zeolite Conference: Zeolite is considered as a strategic inorganic polymer, which is widely used in various industries. In fact, according to diverse industrial applications, zeolite covers almost all engineering fields and, to some extent, medical sciences, and consequently is regarded as a magic ingredient in the industry.

Iranian natural clinoptilolite and its synthetic zeolite P ...

H. KAZEMIAN et al.:IRANIAN NATURAL CLINOPTILOLITE AND ITS SYNTHETIC ZEOLITE P 552 In order to improve the ion exchange capability of the natural sample, a zeolite P was synthesized from natural clinoptilolite and characterized using the above

Soil cadmium stabilization using an Iranian natural zeolite

Soil cadmium stabilization using an Iranian natural zeolite. 6 Pages. Soil cadmium stabilization using an Iranian natural zeolite. Author. ... or download with email. Soil cadmium stabilization using an Iranian natural zeolite. Download. Soil cadmium stabilization using an Iranian natural zeolite. Author. Mohammad Hajabbasi ...

Natural Zeolites Application as Sustainable Adsorbent for ...

Natural Zeolites Application as Sustainable Adsorbent for Heavy Metals Removal from Drinking Water Gagik Badalians Gholikandi1, Mohammad Mehdi Baneshi2, Emad Dehghanifard3, Saeed Salehi4, Ahmad Reza Yari5 ABSTRACT Background: There are great resources of natural zeolite in Iran. Zeolite, an inorganic

EVALUATION OF SOME IRANIAN NATURAL ZEOLITES AND …

Three natural Iranian clinoptilolits were selected for the experimental work from Meyaneh (Zm), Firoozkouh (Zf) and Semnan (Zs) resources located in the north-west, north, and central areas of Iran respectively. Natural zeolites(NZ) were grind, sieved and washed. The …

Ammonia Removal from Aqueous Solutions by Iranian Natural ...

Chemical Engineering, Iran University of Science & Technology, Narmak, Tehran, Iran Abstract: The capability of Iranian natural clinoptilolite for ammonia removal from aqueous solutions has been thoroughly studied. Both batch and continuous (column) experiments were carried out. The viability of this natural zeolite in reducing the

Zeolite.ir | Natural Zeolite

Natural zeolites are inorganic porous minerals with crystalline structures. So far, more than 45 naturally occurring zeolite frameworks have been identified. Clinoptilolite, mordenite, analcium, chabazite, erionite, heulandite and phillipsite are the most common natural zeolites available in the market as minable resources worldwide.

Adsorption of fluoride from water by Al and Fe pretreated ...

Adsorption of fluoride from water by Al 3+ and Fe pretreated natural Iranian zeolites 1Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran 2Department of Environmental Management, Graduate School of …

Comparative and competitive adsorption of cadmium, copper ...

In this study, ion exchange of Cd 2+, Cu 2+, Ni 2+, and Pb 2+ on Iranian natural zeolite was examined in terms of selectivity toward the above heavy metals in single- and multi-component solutions using batch systems. Results showed the Iranian natural zeolite was highly efficient in …