نتایج جستجو برای: chemical and pharmaceutical wastes

تعداد نتایج: 16880637  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد یزد - دانشکده شیمی 1392

in this study, a simple, rapid and selective method was developed for the determination of dexamethasone. the proposed method is based on inhibitory effect of dexamethasone on the oxidation of orange-g by bromate in sulfuric acid media. the reaction was followed spectrophotometrically at 478.5 nm (?max). under optimum experimental conditions, (72.6 ?mol l-1 of orange-g, 0.76 mol l-1 of h2so4, 0...

2017
Maria Cristina Collivignarelli Roberta Pedrazzani Sabrina Sorlini Alessandro Abbà Giorgio Bertanza

This work was aimed at studying the applicability of H2O2-based oxidation processes (namely H2O2/UV, photo-Fenton, and Fenton) for the treatment of six real aqueous wastes. These wastes derived from chemical, pharmaceutical, and detergent production, and were characterised by high COD (chemical oxygen demand) and, in four cases, surfactant concentrations: overall, about 100 tests were conducted...

Journal: :Critical reviews in food science and nutrition 2015
Salim Ur-Rehman Zarina Mushtaq Tahir Zahoor Amir Jamil Mian Anjum Murtaza

Xylitol is a pentahydroxy sugar-alcohol which exists in a very low quantity in fruits and vegetables (plums, strawberries, cauliflower, and pumpkin). On commercial scale, xylitol can be produced by chemical and biotechnological processes. Chemical production is costly and extensive in purification steps. However, biotechnological method utilizes agricultural and forestry wastes which offer the ...

Journal: :Molecules 2014
Antonietta Baiano

Food wastes are produced by a variety of sources, ranging from agricultural operations to household consumption. About 38% occurs during food processing. At present, the European Union legislation encourages the exploitation of co-products. This valorisation can be achieved through the extraction of high-value components such as proteins, polysaccharides, fibres, flavour compounds, and phytoche...

Management of municipal solid wastes (MSW) in most developed societies now involves the use of thermo-chemical conversion methods. This leads to energy and material recovery while also protecting the environment. However, till date most of the wastes generated in Nigeria (including plastic wastes) are either land-filled or openly burnt. These methods are not sustainable and environmentally non-...

2017
Md. Tarikul Islam

Medical wastes are highly infectious and hazardous. It may carry the germs of dreadful diseases like hepatitis B and C (jaundice), and HIV/AIDS. It contains toxic chemicals and hazardous materials from several diagnostic and treatment processes. The improper disposal of Medical waste in the CMCH poses a high health risk to humans as well as the environment. This study was carried out from July ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1392

a novel acrylic acid-functionalized fe3o4 magnetic nanoparticle with a core-shell structure was developed for utilization as a heterogeneous organosuperacid in chemical transformations. the structural, surface, and magnetic characteristics of the nanosized catalyst were investigated by various techniques such as transmission electron microscopy (tem), thermogravimetric analysis (tga), and ft-ir...

Journal: :asia pacific journal of medical toxicology 0
devendranath sarkar department of medicine, rangpur medical college and hospital, rangpur, bangladesh mohammad shaheduzzaman department of medicine, rangpur medical college and hospital, rangpur, bangladesh mohammad ismail hossain department of medicine, rangpur medical college and hospital, rangpur, bangladesh mainuddin ahmed department of medicine, rangpur medical college and hospital, rangpur, bangladesh nur mohammad department of medicine, rangpur medical college and hospital, rangpur, bangladesh ariful basher sk hospital, mymensingh medical college hospital, mymensingh, bangladesh

background: acute poisoning is a major public health problem in bangladesh. it is a common method for suicide. a clear picture regarding clinical presentation, most commonly used toxic agents, background factors and outcome of poisoned patients is necessary in every region. the aim of this study was to investigate frequency and outcome of acute pharmaceutical and chemical poisoning cases in nor...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1391

in this thesis, we exploit a simple and suitable method for immobilization of copper(ii) complex of 4?-phenyl-terpyridine on activated multi-walled carbon nanotubes [amwcnts-o-cu(ii)-phtpy]. this nanostructure was characterized by various physico-chemical techniques. to ensure the efficiency and fidelity of copper species, the implementation of three-component strategies in click-chemistry all...

Journal: :Letters in applied microbiology 2001
T F Guerin

AIMS Soils at a commercial facility had become contaminated with the pharmaceutical chemical residues, Probenecid and Methaqualone, and required remediation. METHODS AND RESULTS Soil composting was investigated as an alternative to incineration for treatment. In laboratory trials, a factorial experimental design was used to evaluate organic matter amendment type and concentration, and incubat...

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