in the present study, different activated carbons were prepared from carbonized african beech wood sawdust by potassium hydroxide activation. the activated carbons were characterized by brunauer–emmett–teller, scanning electron microscope, fourier transform infrared spectroscopy, and thermogravimetric analyzer. the phenol adsorption capacity of the prepared carbons was evaluated. the different ...

the study objects for investigating the possibility of activating both audit committee and board of directors for restricting the practices of earnings management phenomenon. to achieve this objective, a questionnaire had been developed and self-administered for a selected sample consists of 123 auditors working in jordan based on the simple random sampling method. the study first hypothesis is...

 A case study is presented in which two modifications of activated sludge treatment of complex chemical wastewater are experimentally compared: a combination of common activated sludge with powdered activated carbon treatment (PACT), and bioaugmentation of activated sludge treatment (BAST). Industrial wastewater of Pars Oil Refinery that was passed through an oil recovery stage was used to inve...

background: recombinant activated factor vii induces hemostasis in patients with coagulopathy disorders. aryoseven™ as a safe iranian recombinant activated factor vii has been available on our market. this study was performed to establish the safety of aryoseven on patients with coagulopathy disorder. methods: this single-center, descriptive, cross sectional study was carried out in thrombus an...

Parachlorophenol has an extended usage in refineries, petrochemical industries, insecticide, and herbicide manufacturing industries. Tire a solid waste, which is disposed in large amounts each year, a large number of them in landfills can cause irreparable environmental impacts. Consequently lots of efforts were done to produce activated carbon from used tires. Activated carbon was made in labo...

Organic fraction of solid waste, which upon degradation produces foul smell and generates pathogens, if not properly managed. Composting is not a method of waste disposal but it is a method of waste recycling and used for agricultural purposes. An integrated approach of composting methodology was tested for municipal solid waste management. Solid waste first was composted and after 22 days, was...