نتایج جستجو برای: zarand coal washing plant

تعداد نتایج: 436601  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2013
gholamabbas parsapour mostafa maleki samad banisi

the impact of installing process control systems can be expected in terms of performance improvements through reduced operating costs.  since these installations impose considerable capital expenditure, the profitability of the new systems should be economically justified. controlled variable trend was reconstructed by a combination of simple waves, which provided a means to simulate the effect...

رضایی, شیما, مصداقی نیا, علیرضا, ملکوتیان, محمد,

  Background and Aim: Chlorophenols are acidic Organic compounds and priority Pollutants. One of the best ways to removal chlorophenols was using different absorbents . In this study, removal efficiency of ortho- chlorophenol as one of the most common organic contaminants in aquatic environments was investigated with absorption method using activated Fly Ash.   Materials and methods: In this ex...

Gholamabbas Parsapour Mostafa Maleki Samad Banisi,

The impact of installing process control systems can be expected in terms of performance improvements through reduced operating costs.  Since these installations impose considerable capital expenditure, the profitability of the new systems should be economically justified. Controlled variable trend was reconstructed by a combination of simple waves, which provided a means to simulate the ef...

Journal: :international journal of energy and environmental engineering 2010
h khoshdast m ranjbar

zeolite was synthesized from coal tailings and coal fly ash sampled from zarand coal washing plant, iran, using h2o2–promoted hydrothermal treatment. samples consisted mainly of sio2 and al2o3 which are the main components for the zeolite synthesis. to perform the experiments, appropriate amount of the starting materials were mixed with 240 ml volume of 30% h2o2 at room temperature with continu...

Journal: :journal of mining and environment 2015
s. safari sinegani a. abedi h. asghari a. a. safari sinegani

phytoremediation is a technology that uses plants for the remediation of the contaminated soils, sediments, tailings, and groundwaters. in this work, the ability of trifoliumalexanderium for the phytoremediation of the tailings soil in the anjir-tange coal washing plant was investigated. for this purpose, trifolium sp. was cultivated in three soils consisting of the tailings dam, an agricultura...

2016
Mohammad Malakootian Alireza Mesdaghinia Shima Rezaei

Background: Chlorophenols are classified as priority toxic pollutants. These acidic organic compounds present a serious potential hazard for human health and aquatic life. Chlorophenols accumulate in water, soil and air due to high stability, and impart an unpleasant taste and odor to drinking water and can exert negative effects on different biological processes. Among the different methods of...

2017
Malek Mohammadi T Derakhshani R Tavallaie M Raoof M Hasheminejad N Haghdoost AA

STATEMENT OF PROBLEM The concentration of fluoride in water is usually higher in areas around the coal mines. Zarand region in the south-east of Iran is known for its coal mines. Some studies have shown the high prevalence of fluorosis and some studies reported high levels of fluoride in the region. OBJECTIVES This study aimed to use Geographic Information System (GIS) to assess the relations...

Journal: :int. journal of mining & geo-engineering 2013
samaneh safari sinegani arezoo abedi hamidreza asghari ali akbar safari sinegani

a large volume of tailings has been produced in anjir-tangeh coal washing plant for 22 years of human activity. the coal washing activities have reduced plant diversity near the plant. the environmental impact of coal washing plant on the vegetation around the factory was studied in two seasons. the concentrations of pb, cd and cr, measured in different native plant species, were in normal rang...

A large volume of tailings has been produced in Anjir-tangeh coal washing plant for 22 years of human activity. The coal washing activities have reduced plant diversity near the plant. The environmental impact of coal washing plant on the vegetation around the factory was studied in two seasons. The concentrations of Pb, Cd and Cr, measured in different native plant species, were in normal rang...

Journal: :int. journal of mining & geo-engineering 2015
ahmad fattahi mejlej behshad jodeiri shokri masoud zare naghadehi

this paper tries to determine an optimum condition for the flotation operation of the alborz-sharghi coal washing plant. for this purpose, a series of comprehensive experiments have been conducted on representative samples from feed of the flotation system of the plant. four operational variables such as the collector dosage (fuel oil), the frother dosages (mibc), the pulp density percent and t...

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