PHOTOPRODUCTION OF HYDROGEN IN NON OXYGEN-EVOLVING SYSTEMS Co-produced hydrogen as a bonus in the photodegradation of organic pollutants and hydrogen sulfide
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Hydrogen sulfide and organic compounds removal in municipal wastewater using ferrate (VI) and ultraviolet radiation
Background: In this study, ferrate (VI) and ultraviolet (UV) radiation were employed to remove hydrogen sulfide from municipal wastewater resulting in a reduction in chemical oxygen demand (COD). Although ferrate (VI) and UV have been used individually for the removal of a few pollutants from urban and industrial wastewater, there exists no study to investigate the effectiveness of si...
متن کاملModeling and Removal of Hydrogen Sulfide from Biogas Produced by Anaerobic Digestion
Anaerobic digestion can be used to convert organic waste into energy not only to provide renewable energy, but also reduce greenhouse gases. During the anaerobic digestion process, biogas is produced, which can be used for heating and electricity generation. The produced biogas contains methane and some other gases, the most destructive of which is hydrogen sulfide gas. If hydrogen sulfide gas ...
متن کاملRemoval of H2S and COD Using UV, Ferrate and UV/Ferrate from Municipal Wastewater
Background; The aim of this study is to compare UV, ferrate (VI) and UV/ferrate (VI) methods for removal of hydrogen sulfide and chemical oxygen demand (COD) from municipal wastewater under a continuous condition. Methods; The experiment was divided into three parts: 1) pollutants removal by using ferrate (VI) alone; 2) pollutants removal using UV alone; 3) pollutants removal using a combina...
متن کاملAn Investigate on Power, Torque and Exhaust Gas Emission Variation: Effect of Hydroxy Gas Addition to Inlet Air of a SI Engine
Hydrogen has been known as a clean and suitable fuel to replace conventional fossil fuels. One of the common hydrogen production methods is using water electrolysis process. This method produces oxygen as well as hydrogen by ratio of 1:2. The aim of this work is to investigate the effects of inlet air enrichment by adding produced hydrogen and oxygen to an internal combustion engine. For this p...
متن کاملDesign and evaluation of local ventilation system and packed bed scrubber and control of hydrogen sulfide emitted from the dryer lines of a Pulp Industry
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...
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تاریخ انتشار 2001