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  • ISSN: 2333-6633
    Early Online
    Volume 4, Issue 1
    Veerappan Mani*
    Over the past decade, graphene enjoyed widespread fame and applicability in every scientific field. Large surface area, high electrical and thermal conductivity, mechanical flexibility, transparency, flat, super-thin, super strong, high charge carrier mobility are the major properties of graphene that make it so unique. .
    Tao Zhang*
    One of the reality, before us today is the increasingly exhausted phosphorus resource resulting from the exploitation of phosphorite and the phosphorus’s unilateral cycle in nature. Animal manure wastewater, produced from livestock and poultry production, contains phosphate, nitrogen, carbonate, heavy metals, and chemical compounds as major constituents.
    Yunqi Zhang, Hongyun Xuan and Liqin Ge*
    Layer-by-layer (LbL) self-assembly technology, as a novel technique for preparing nanofilms, enables the controlled preparation of the structure and morphology of the nanocomposite film materials through the material interaction to form the multifunctional self-assembled nanofilm materials.
    Meng Zhou*
    Supercapacitor as one of the energy storage devices plays an important role in society; it is widely used in electrical grids, hybrid cars and portable electronic devices. Unlike the battery, supercapacitor can’t generate electrical energy by converting the chemical energy, it can only release the energy stored during discharging. There are two different energy storage mechanisms in supercapacitor: (1) Non-Faradic reaction charge storage (type I), which is also called electric double layer (EDL) storage.
    Mohammad Saleh Shafeeyan*
    Global warming and related environmental damage associated with emissions of carbon dioxide (CO2) have long been recognized to represent a potential serious threat to the future of the earth's environment. A global research effort have thus been attempted to mitigate the unfettered release of this primary green-house gas and stabilize its concentration in the atmosphere [1].
    Rama Rao Karri*
    Chemical Engineering and Process Technologies journal supports the scientific innovation and technology advancements leading to tremendous growth in chemical industry and its affiliated process industries.
    Research Article
    Nageeb Rashed M*, Eltaher MA, and Abdou ANA
    Zero discharges and zero solid waste are of highly important to achieve the cleaner production. In this study sewage sludge- based activated carbon adsorbent (ASS) supported Fenton (ASS/Fe2+/H2O2) and photo–Fenton (ASS/UV/Fe2+/H2O2) systems were applied for the removal of both methyl orange dye (MO) and Cd2+ from polluted water. Homogenous photocatalytic degradation experiments were carried out in a photoreactor equipped with a low-pressure mercury lamp as UV source. The effect of operating parameters such as solution pH, adsorbent (ASS) dosage, initial pollutant (MO and Cd) concentration, irradiation time, H2O2 concentration, and UV irradiation were investigated. Experimental results revealed that MO dye degradation was dependent on solution pH, irradiation time, adsorbent (ASS) dosage, H2O2 and initial pollutant concentration. Furthermore, results showed that the removal efficiency of MO dye by photo–Fenton system (ASS/UV/Fe+2/H2O2) was highly efficient and resulted in 89.3 % removal of the MO dye. The removal efficiency of Cd2+ was more than 90 % at the optimum conditions. The optimum pH value for MO and Cd2+ removal was pH 7. The kinetic data indicated that the MO removal rate was lower than that for Cd2+, and the data followed the pseudo-second order model.
    Larry K. Jang*
    The temperature of water leaving a bench-top continuous-flow electrical heater is regulated by an algorithm developed in this work using the model predictive control (MPC) toolkit in LabVIEW. Hardware from National Instruments (Compact Rio with associated modules for analog input, analog output, digital output, and Internet communication) allows the system to be accessed and controlled remotely via Internet. Open-loop process dynamics around a desired operating condition is analyzed by fitting step response data to the first-order-plus-dead-time model using Loop Pro. The prediction horizon is set at about one time constant and the control horizon at half the prediction horizon. With the weighting factor Q for the output error fixed at 1.0 and the weighting factor R for the control action change varied between 0.5 and 50 in the cost function, the results of setpoint-tracking and disturbance rejection experiments are analyzed. The construction of the front panel and the wire diagram of the LabVIEW algorithms are described in the greatest possible details in this work.
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