Adsorption of heavy metal ions from aqueous solutions by zeolite based on oil shale ash: Kinetic and equilibrium studies

Bao, Weiwei; Zou, Haifeng; Gan, Shucai; Xu, Xuechun; Ji, Guijuan; Zheng, Keyan

doi:10.1007/s40242-013-2139-2

Cited by 54 publications

(24 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Numerous laboratories around the world have synthesized zeolites from fly ash used for removing heavy metals [11][12][13][14]. Shawabkeh et al have synthesized zeolites using oil shale ash by alkaline hydrothermal treatment and used them to remove cadmium and lead [15], Visa removed heavy metal ions from aqueous solutions by new zeolite materials synthesized from fly ash [16], Bao et al have synthesized cancrinite-type zeolite from fly ash for the removal of lead, copper, nickel, cobalt, and zinc [17], Bao et al have synthesized Na-A zeolite from oil shale ash to be used as adsorbent for copper removal [18]. In this paper, zeolites have been synthesized from fly ash (FA) and modified oil shale ash (MOSA) under identical experimental conditions.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Zeolites Materials Using Fly Ash and Oil Shale Ash and Their Applications in Removing Heavy Metals from Aqueous Solutions

Hamadi

Nabih

2018

Journal of Chemistry

View full text Add to dashboard Cite

Fly ash and oil shale ash generated from power plants can be transformed to suitable materials usable for removal of heavy metals. Due to their high silica content, fly ash and oil shale ash have been considered as the main stone of zeolite synthesis. In this work, we synthesized zeolites from class F fly ash (FA) and modified oil shale ash (MOSA) by alkaline fusion followed by refluxing. Our synthesis process focused on the effect of quantity of NaOH on the crystallinity of the reaction products: Na-P1 and Na-P2 type zeolites synthesized, respectively, from FA and MOSA. e effect of NaOH mass (1, 2, 4, and 8 g) was investigated with the following synthesis conditions: 2 h fusion at 650°C, 2 h agitation, and refluxing for 12 hours. e experimental results demonstrated that the crystallinity of Na-p1 and Na-P2 zeolites increased with increasing the mass of NaOH. e resulting products were characterized with X-ray diffraction, FTIR, and scanning electron microscopy. e reaction products ZV4 and ZM4 synthesized, respectively, from FA and MOSA and containing main zeolite phases with a crystallinity of 92.7% of Na-P1 and 83.6% of Na-P2, respectively, were chosen as adsorbents for the adsorption experiments. Series of experiments were carried out to study the removal of lead, zinc, and chromium by ZV4 and ZM4. e results allowed us to know the optimal conditions of adsorption for the three heavy metals. Adsorption data have been interpreted in terms of Langmuir and Freundlich isotherms. e results showed that lead has a higher affinity for ZM4 than ZV4 and zinc has similar adsorption efficiency for both sorbents that was remarkably reduced for chromium. e results of the present work suggest that zeolites synthesized from MOSA may be considered as effective as those synthesized from FA for heavy metals adsorption.

show abstract

Section: Introductionmentioning

confidence: 99%

Synthesis of Zeolites Materials Using Fly Ash and Oil Shale Ash and Their Applications in Removing Heavy Metals from Aqueous Solutions

Hamadi

Nabih

2018

Journal of Chemistry

View full text Add to dashboard Cite

show abstract

“…These values show that the adsorption reaction is a spontaneous process and more favorable at high temperatures. According to the literature, if the value of the change in free energy is in the range of −20 to 0 kJ/mol and −80 to −400 kJ/mol, the mechanism of adsorption will be physical and chemisorption, respectively . As a result, the Δ G values of this study show that the mechanism of adsorption is physical.…”

Section: Resultsmentioning

confidence: 59%

Development of kinetic and equilibrium models for removal of Cd²⁺ and Zn²⁺ ions from aqueous solutions by clinoptilolite

Irannajad

Haghighi

Safarzadeh

2015

Env Prog and Sustain Energy

View full text Add to dashboard Cite

“…Liu et al [1] proposed to extract silica (nanometer scale), aluminum oxide and other compounds from oil shale ashes, which could be used to manufacture building materials such as marble and hollow bricks. Bao et al [49] tried to extract heavy metals from oil shale ashes. This technique was successfully subjected to laboratory tests and a patent was granted on it.…”

Section: Comprehensive Utilization Of Oil Shale In Chinamentioning

confidence: 99%

Progress in Exploration, Development and Utilization of Oil Shale in China

Xu¹,

Sun²,

Yao³

et al. 2019

Oil Shale

View full text Add to dashboard Cite

The huge oil shale resources in China have gradually attracted widespread attention due to the shortage of oil and gas resources in the country and the rapid recovery of world oil prices. A nationwide prospecting survey of oil shale in China was conducted for the first time during a period from 2003 to 2006, reporting on around 719.9 billion tons of oil shale. After that, many large oil shale deposits have been discovered in the country, and the exploration of oil shale is flourishing. Although the total shale oil production from oil shale of China has been fluctuating due to the low world oil prices in recent years, it, in general, has rapidly increased since 2006 and reached the highest annual production of 8.3 × 10 5 tons in 2015. At present, there are six oil shale production bases in operation in China, and two sets of pilot experiments carried out on oil shale in-situ conversion technology have preliminarily proved to be successful. A green industrial chain including refinery, power generation and building materials production from oil shale in oil shale enterprises has been formed due to the high added value and environmentally friendly impact of oil shale from this chain. Moreover, new insights were gained into the genesis of terrestrial oil shale in China and the characterization of deep lake, shallow lake and limnetic deposited oil shale. These theoretical breakthroughs further enriched the genesis theory of oil shale in continental basins. Although considerable progress has been made

show abstract

Adsorption of heavy metal ions from aqueous solutions by zeolite based on oil shale ash: Kinetic and equilibrium studies

Cited by 54 publications

References 17 publications

Synthesis of Zeolites Materials Using Fly Ash and Oil Shale Ash and Their Applications in Removing Heavy Metals from Aqueous Solutions

Synthesis of Zeolites Materials Using Fly Ash and Oil Shale Ash and Their Applications in Removing Heavy Metals from Aqueous Solutions

Development of kinetic and equilibrium models for removal of Cd²⁺ and Zn²⁺ ions from aqueous solutions by clinoptilolite

Progress in Exploration, Development and Utilization of Oil Shale in China

Contact Info

Product

Resources

About

Adsorption of heavy metal ions from aqueous solutions by zeolite based on oil shale ash: Kinetic and equilibrium studies

Cited by 54 publications

References 17 publications

Synthesis of Zeolites Materials Using Fly Ash and Oil Shale Ash and Their Applications in Removing Heavy Metals from Aqueous Solutions

Synthesis of Zeolites Materials Using Fly Ash and Oil Shale Ash and Their Applications in Removing Heavy Metals from Aqueous Solutions

Development of kinetic and equilibrium models for removal of Cd2+ and Zn2+ ions from aqueous solutions by clinoptilolite

Progress in Exploration, Development and Utilization of Oil Shale in China

Contact Info

Product

Resources

About

Development of kinetic and equilibrium models for removal of Cd²⁺ and Zn²⁺ ions from aqueous solutions by clinoptilolite