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Abstract
Experiments were conducted for photocatalytic generation of renewable fuel hydrogen from sulphide wastewater from the sewage treatment plant. In this study, pilot-scale solar photocatalytic reactor was designed for treating 1 m3 of sulphide wastewater and also for the simultaneous generation of hydrogen. Bench-scale studies were conducted both in the batch recycle and continuous modes under solar irradiation at similar experimental conditions. The maximum of 89.7% conversion was achieved in the continuous mode. The length of the pilot-scale solar photocatalytic reactor was arrived using the design parameters such as volumetric flow rate (Q) (11×10−2 m3/s), inlet concentration of sulphide ion (Cin) (28 mol/m3), conversion (89.7%) and average mass flow destruction rate® (3.488×10−6 mol/m2 s). The treatment cost of the process was estimated to be 6 US$/m3. This process would be suitable for India like sub-tropical country where sunlight is abundantly available throughout the year.
Acknowledgement
The authors gratefully acknowledge the financial supports from the Council of Scientific and Industrial Research, New Delhi, India.
Notes
This article was originally published with erroneous pagination. This version has been corrected. Please see Erratum (http://dx.doi.org/10.1080/09593330.2014.869387).