نتایج جستجو برای: pollutants emanating from industries

تعداد نتایج: 5633728  

Journal: :The Astrophysical Journal 2020

علی پور, صدر الدین, مهدی آبادی, منیژه, کاردار, سعید,

Introduction: Harmful effects of environmental pollutants and their environmental impacts necessitate revention of the pollution emission from various industries. Leather industry is one of the most polluting industries, with chromium compounds as an important contamination, widely used in the tanning process. The present study aimed to determine the causes of high chromium concentration from l...

2003
Mousa S. Mohsen Jamal O. Jaber

The potential of industrial wastewater reuse in Jordan is discussed. Industrial water requirements, wastewater production, types of pollutants in industrial wastewater and the technologies for wastewater treatment have been evaluated. A total of thirty industries have been reviewed. The total effluent from the thirty industries reviewed estimated at approximately 10,200 mVd. Of this amount, app...

Journal: :Occupational and environmental medicine 2003
A Maître D Collot-Fertey L Anzivino M Marques M Hours M Stoklov

AIMS To evaluate occupational exposure to toxic pollutants at municipal waste incinerators (MWIs). METHODS Twenty nine male subjects working near the furnaces in two MWIs, and 17 subjects not occupationally exposed to combustion generated pollutants were studied. Individual air samples were taken throughout the shift; urine samples were collected before and after. Stationary air samples were ...

Abstract Introduction: The diffusion of pollutants Methyl Mercaptan, Hydrogen Sulfide, Dimethyl sulfide and Dimethyl disulfide from dryer machines of pulp industries will cause to smell annoyance and health effects on the employees and neighbors . This study aimed to determine the effectiveness of local ventilation system and packed bed scrubber implemented for controlling the emitted hydrogen...

Faramarz Moattar, Farid Zayeri , Mohammad Sadegh Sekhavatjou , Nabiollah Mansouri, Zohre Farahmandkia ,

Background: Heavy metals are the main air pollutants in cities. Therefore, assessment of the risk of exposure to these metals through inhalation, ingestion, and dermal contact on inhabitants of contaminated areas of the world is of great importance. Methods: A weekly sampling of air particles smaller than 10 microns was performed in a residential area of Zanjan for two years. Risk assessment i...

Journal: :iranian journal of environmental sciences 0
pardeep singh department of chemistry, indian institute of technology (bhu), varanasi-221005 india a. borthakur centre for studies in science policy, jawaharlal nehru university (jnu), new delhi-110067, india n. srivastava department of chemical engineering and technology, indian institute of technology (bhu), varanasi-221005 india r. singh institute of environment and sustainable development (iesd), banaras hindu university, varanasi-221005, india d. tiwary department of chemistry, indian institute of technology (bhu), varanasi-221005 india p.k. mishra department of chemical engineering and technology, indian institute of technology (bhu), varanasi-221005 india

the resource intensive human activities (such as mining and extraction of mineral oils for betterment of life and modernization of society) have increased environmental pollution several folds. products of mining and petrochemical industries are advantageous for the modern society. but waste generated such as btex from such industries are carcinogenic, toxic and causes adverse effects on enviro...

Background: Application of potassium ferrate is a chemical oxidation approach used for water and wastewater treatment. The aim of this study is to apply central composite design (CCD) and response surface methodology (RSM) to optimize potassium ferrate consumption in the treatment of wastewater from carpet industries. Methods: Samples in this experimental study were collected from wastewater...

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