us5569370a - electrochemical system for recovery of

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Global depletion of natural resources provides an impetus for developing low-cost, environmentally benign technologies for the recovery of valuable resources from wastewater. In this study, we present an autonomous photo-electrochemical osmotic system (PECOS) that can recover a wide range of metals from simulated metal-laden wastewater with sunlight illumination while generating electricity

Precious metal recovery from electronic waste by a

Upon recovery of the captured gold, a small gold ingot (99.6% purity) was formed (Fig. 4B) in the vial. Lastly, we calculated the rough economics of gold recovery from PCBs, as e-waste recycling in the commercial sector would be driven by the profits of precious metal recovery and resale.

Electrochemical

A highly-efficient, autonomous electrochemical-osmotic system (EOS) is developed for simultaneous recovery of electric energy, water, and metals from wastewater. We demonstrate that the system can generate a maximum electric power density of 10.5 W m –2 using a spontaneous Fe/Cu 2+ galvanic cell, while simultaneously achieving copper recovery from wastewater.

Wastewater Electrochemical Treatment Technology

Wastewater Electrochemical Treatment Technology (WETT TM) A New Approach Terragon's WETT TM is a new patented approach that can be used to treat water for recycle or reuse and treat water for safe discharge. The Products Terragon began developing WETT TM in 2007 with support from a number of high-profile organizations.

Hydrometallurgical process for the recovery of metal

2014/11/6In this paper, a hydrometallurgical process has been proposed to recover valuable metals from spent lithium-ion batteries in citric acid media. Leaching efficiencies as high as 97%, 95%, 94%, and 99% of Ni, Co, Mn, and Li were achieved under the optimal leaching

Cathodic catalysts in bioelectrochemical systems for energy

Bioelectrochemical systems (BESs), in which microorganisms are utilized as a self-regenerable catalyst at the anode of an electrochemical cell to directly extract electrical energy from organic matter, have been widely recognized as a promising technology for

Electrochemical behavior of Nd in its pyrometallurgical

Cell resistance of Nd electrowinning system with NdF 3 concentration in (100 − x)LiF − xNdF 3 system at 860 C Full size image The electrowinning process was carried out for recovering 0.9 g Nd metal, which is the amount that can be theoretically recovered by considering the electrochemical equivalent of Nd.

DOE Invests $17 Million to Advance Carbon Utilization

WASHINGTON, D.C. – The U.S. Department of Energy's (DOE) Office of Fossil Energy (FE) has selected 11 projects to receive approximately $17 million in federal funding for cost-shared research and development projects for carbon utilization. The projects will

Flexible Hybrid separation system for H2 recovery from NG Grids

membrane separation, electrochemical separation and temperature swing adsorption - will be combined in a new separation system to decrease the total cost of hyd. rogen recovery The new separation purification system will increase the value of hydrogen blended into

Precious metal recovery from electronic waste by a

Upon recovery of the captured gold, a small gold ingot (99.6% purity) was formed (Fig. 4B) in the vial. Lastly, we calculated the rough economics of gold recovery from PCBs, as e-waste recycling in the commercial sector would be driven by the profits of precious metal recovery and resale.

Technology – ElectraMet

Engineered with PowerTech Water's patent-pending Capacitive Coagulation technology, ElectraMet is an electrochemical filter that solves the problem of removing heavy metals from water. It uses activated carbon electrodes and small amounts of electricity to actively attract, immobilize and filter metals with over 99% selectivity and no sludge production for water recovery.

Frontiers

The halide perovskite material has attracted vast attention as a versatile semiconductor in the past decade. With the unique advantages in physical and chemical properties, they have also shown great potential in photocatalytic applications. This review aims at the specific design principles triggered by the unique properties when employing halide-perovskite-based photocatalytic systems from

Technology – ElectraMet

Engineered with PowerTech Water's patent-pending Capacitive Coagulation technology, ElectraMet is an electrochemical filter that solves the problem of removing heavy metals from water. It uses activated carbon electrodes and small amounts of electricity to actively attract, immobilize and filter metals with over 99% selectivity and no sludge production for water recovery.

Microbial Electrochemical System: A Sustainable

Among several bioremediations approaches, the microbial electrochemical system (MES) has shown promising results in the selective removal of dyes and heavy metals from wastewater. The chemical energy of the biodegradable substrates is converted to electrical energy using the inherited electrochemical system of the electroactive microorganisms.

Flexible Hybrid separation system for H2 recovery from NG Grids

membrane separation, electrochemical separation and temperature swing adsorption - will be combined in a new separation system to decrease the total cost of hyd. rogen recovery The new separation purification system will increase the value of hydrogen blended into

DOE Invests $17 Million to Advance Carbon Utilization

WASHINGTON, D.C. – The U.S. Department of Energy's (DOE) Office of Fossil Energy (FE) has selected 11 projects to receive approximately $17 million in federal funding for cost-shared research and development projects for carbon utilization. The projects will

Electron transport and electrochemical proton gradient in

Electron transport and electrochemical proton gradient in membrane vesicles of Clostridium thermoautotrophicum. Hugenholtz J(1), Ljungdahl LG. Author information: (1)Center for Biological Resource Recovery, University of Georgia, Athens 30602.

Development and Fabrication of a Breadboard Electrochemical Water Recovery System

932032 Development and Fabrication of a Breadboard Electrochemical Water Recovery System James R. Akse, James E. Atwater, Leonard J. Schussel, and John O. Thompson Umpqua Research Co. Charles E. Verostko NASA-Johnson Space Center ABSTRACT

Natural sources of lipoic acid: Determination of lipoyllysine

Recovery tests of lipoyllysine bound to BSA showed recovery within the calibration range used (0-2.5 μg/g) with this new method. Although our values are accurate, they may represent an underestimate since some lipoyllysine may remain inaccessible to protease digestion.

Electrochemical Lithium Recovery with a LiMn2O4–Zinc

Electrochemical Lithium Recovery with a LiMn 2 O 4 –Zinc Battery System using Zinc as a Negative Electrode Seongsoo Kim School of Chemical and Biological Engineering, Institute of Chemical Processes (ICP), Seoul National University, World Class University (WCU) Program of Chemical Convergence for Energy Environment (C2E2), Gwanak-gu, Daehak-dong, Seoul, 151-742 Republic of Korea

Development of Novel Bioelectrochemical Membrane

In this thesis, novel electrochemical membrane bioreactors (EMBRs), which take advantage of membrane separation and bioelectrochemical techniques, are developed for wastewater treatment and the simultaneous recovery of energy and resources.

Optimization Studies on Recovery of Metals from Printed

The aim of the study was to recover copper and lead metal from waste printed circuit boards (PCBs). The electrowinning method is found to be an effective recycling process to recover copper and lead metal from printed circuit board wastes. In order to simplify the process with affordable equipment, a simple ammonical leaching operation method was adopted. The selected PCBs were incinerated

Electrochemical Lithium Recovery System

Various lithium recovery technologies have been developed as securing lithium resources has become increasingly important. Among these technologies, the electrochemical lithium recovery (ELR) system is a rapid and eco-friendly extraction method that has been studied recently. In this study, an ELR system using a spinel-type LiMn2O4 (LMO) is briefly reviewed. As LMO electrodes have high Li+

Development and Fabrication of a Breadboard Electrochemical Water Recovery System

932032 Development and Fabrication of a Breadboard Electrochemical Water Recovery System James R. Akse, James E. Atwater, Leonard J. Schussel, and John O. Thompson Umpqua Research Co. Charles E. Verostko NASA-Johnson Space Center ABSTRACT

Recovery of elemental sulfur with a novel integrated

Although bioelectrochemical systems (BESs) have recently been studied for the treatment of sulfate contained in this wastewater, the recovery of elemental sulfur with BESs is still in its beginnings. This work proposes a new reactor configuration named BES-EC, consisting of the coupling of a BES with an electrochemical cell (EC), to treat this type of wastewater and recover elemental sulfur.

Third generation in bio

2017/9/1Bio-electrochemical system (BES) has been widely investigated for electrical energy recovery, bioremediation, intermediate chemical production and recently, for useful resource recovery. This review mainly emphasized on third generation of BES research for its potential to recover the other by-products i.e., heavy metals, nutrients, industrial chemicals, etc. from the wastewater.

Natural sources of lipoic acid: Determination of lipoyllysine

Recovery tests of lipoyllysine bound to BSA showed recovery within the calibration range used (0-2.5 μg/g) with this new method. Although our values are accurate, they may represent an underestimate since some lipoyllysine may remain inaccessible to protease digestion.

Lithium Extraction from Seawater through Pulsed Electrochemical

, and 98.1%G 1.0% Li/(Li + Na) recovery from solution which has Li/Na ratio of 5.4 3 10 5,5.03 10 4,4.03 10 3, and natural salt lake water, respectively. RESULTS The procedure of extracting Li from seawater using electrochemical intercalation is

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