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Hydrogen is produced in a catalytic hydrolysis reaction of sodium borohydride (NaBH 4 ) with ruthenium powder as a catalyst. The system consists of two main chambers: an upper chamber with granulated sodium borohydride powder and a lower reaction chamber with a solution of water and catalyst. Zakhvatkin et al. 1c00367.
A team from the Indian Institute of Technology Bombay has devised a heterogeneous acid catalyst, silica sulfuric acid, that shows high activity towards releasing hydrogen from sodium borohydride (NaBH 4 ), with a hydrolysis rate of 5.5 Issues included water handling and catalytic reactivity and durability. Earlier post.). 2014.11.040.
Produced water from coal-bed natural gas (CBNG) production may contain sodium bicarbonate (NaHCO 3 ) at concentrations that can harm aquatic life, according to a new study by the US Geological Survey; Montana Fish, Wildlife and Parks; the Bureau of Land Management and the US Environmental Protection Agency.
With the keel laying, construction has begun at Next Generation Shipyards in the Netherlands of Neo Orbis , a 20m fuel-cell hybrid port vessel using sodium borohydride as a solid-state hydrogen storage medium. The then DaimlerChrysler used Millenium Cell sodium borohydride it its Natrium fuel cell concept car, introduced in 2001.
Researchers in Germany have produced a hydrocarbon-based bio-crude and non-condensable gases from the thermal degradation of free fatty acids and animal fat in the presence of water and sodium carbonate (Na 2 CO 3 , a sodium salt of carbonic acid commonly used as a water softener). 1 over a period of 6 months.
Example of a lithium-water rechargeable battery. Researchers at the University of Texas, including Dr. John Goodenough, are proposing a strategy for high-capacity next-generation alkali (lithium or sodium)-ion batteries using water-soluble redox couples as the cathode. The present sodium-sulfur battery operates above 300 °C.
Prototype sodium silicate hydrogen generation system as presented earlier this year at DOE merit review. The H300 utilizes real-time swappable cartridges that generate hydrogen on demand using SiGNa’s proprietary sodium silicide (NaSi) powder. Sodium-Silica-Gel: 2Na-SG + H 2 O → H 2 + Na 2 Si 2 O 5. Click to enlarge.
Researchers at Pacific Northwest National Laboratory (PNNL) have devised an alloying strategy that enables sodium-beta batteries to operate at significantly lower temperatures. The new electrode enables sodium-beta batteries to last longer, helps streamline their manufacturing process and reduces the risk of accidental fire.
We’re then able to separate the pretreatment solution into two phases, a sugar-rich water phase for recovery and a lignin-rich ionic liquid phase for recycling. As an added bonus, our new pretreatment technique uses a lot less water than previous pretreatments. —Blake Simmons, corresponding author. —Blake Simmons.
Sodium-ion batteries (Na-ion, NIBs) are seen as an alternative to lithium-ion batteries for large-scale applications due to their lower cost and abundant supply of sodium. We also demonstrate a battery with the stibnite–graphene composite that is free from sodium metal, having energy density up to 80? Mason, Sudip K.
a clean water company that recovers phosphorus and nitrogen from industrial and municipal wastewaters to create premium fertilizers, completed a US$14.5-million Ostara Nutrient Recovery Technologies Inc., million private equity financing. a fund managed by FourWinds Capital Management.
Flowchart of Molten Sodium Upgrading process. A new company, Field Upgrading (Calgary, Alberta), has been formed dedicated to developing and commercializing the Molten Sodium Upgrading (MSU) technology. When electricity is applied to the ceramic membrane, elemental sodium is extracted through the membrane and recycled to the process.
13000 ppm of sodium, magnesium, calcium, and potassium ions, among others). The presence of monovalent ions, such as sodium and potassium, is not a significant issue in the conventional precipitation method since their salts are highly soluble. ppm) and an abundance of interfering ions (i.e.,
The thermochemical production of hydrogen and oxygen from water via a series of chemical reactions is of interest because it directly converts thermal energy into stored chemical energy (hydrogen and oxygen), and thus can take advantage of excess heat given off by other processes. —Xu et al. NaMnO 2 at 850 °C; Na + extraction from ?-NaMnO
Researchers at the US Army Research Laboratory (ARL) have discovered that a nano-galvanic aluminum-based powder of their design splits water on contact, producing hydrogen and oxygen. The team demonstrated a small radio-controlled tank powered by the powder/water reaction.
Schematic representation and operating principles of the lithium–water electrochemical cell used for hydrogen generation: (1) external circuit and (2) inside of lithium–water electrochemical cell. the high-school chemistry demonstration of the violent reaction between sodium and water.). sea water) by using sunlight.
The circulating seawater in the open-cathode system results in a continuous supply of sodium ions, endowing the system with superior cycling stability that allows the application of various alternative anodes to sodium metal by compensating for irreversible charge losses. an alloying material), in full sodium-ion configuration.
Hyundai Motor Company and Kia Corporation have signed a memorandum of understanding with Canada-based Next Hydrogen Corporation, a specialist in water electrolysis technology and a subsidiary of Next Hydrogen Solutions Inc., to bolster their efforts to usher in a global hydrogen society through cost-effective production of clean hydrogen.
Schematic representation of the working principle behind a complete cycle of the desalination battery, showing how energy extraction can be accomplished: step 1, desalination; step 2, removal of the desalinated water and inlet of seawater; step 3, discharge of Na + and Cl ? in seawater; step 4, exchange to new seawater. Click to enlarge.
The MSG process, under license from Idaho National Laboratory, uses a combination of molten sodium salts (sodium carbonate and sodium hydroxide) to convert a carbon feedstock and water into hydrogen. CO + H 2 ) at similar pressures. Advantages of combining MSG with FT include heat integration (i.e.
A team of researchers from Tufts University, the University of Wisconsin-Madison and Harvard University report that alkali ions (sodium or potassium) added in small amounts activate platinum adsorbed on alumina or silica for the low-temperature water-gas shift (WGS) reaction (H 2 O+CO→ H 2 +CO 2 ) used for producing hydrogen.
Canadian oil sands are a complex mixture of sand, clays, water, and bitumen. For surface mining oil sands production, a hot water extraction process (HWEP) has been widely applied. In this process, hot water and processing aids are mixed with oil sands to liberate bitumen from the minerals by shearing the oil sand particles.
Generation of H 2 and O 2 from untreated water sources represents a promising alternative to ultrapure water required in contemporary proton exchange membrane-based electrolysis. The results of their study, published in Joule , could help advance efforts to produce low-carbon fuels.
The nanosized crystalline primary particles and high surface areas enable an increased rate of photocatalytic hydrogen production from water and extended working life. They then treat the material with a sodium potassium alloy. Micrograph of mesoporous silicon with sodium chloride and potassium chloride salts embedded in the matrix.
The platform technology is also being commercialized for conversion of waste brines to chemicals and desalinated water. The Mangrove technology is derivative of the company’s original focus on the treatment of produced water. Mangrove says that its process recovers more than 90% of the lithium from lithium concentrates.
Researchers from Tatung and National Cheng Kung Universities in China, and Case Western Reserve University in Ohio, report manufacturing a new oxygenate additive for diesels (bio or petroleum) using glycerol (a major byproduct of biodiesel production), dimethyl sulfate (DMS), and sodium hydroxide pellets as raw materials.
Following ramp-up to full production in 2029, the mine will produce ~58,000 tonnes of lithium carbonate, 160,000 tonnes of boric acid (B 2 O 3 units) and 255,000 tonnes of sodium sulfate annually, making Rio Tinto one of the top ten lithium producers in the world. million tonnes of lithium carbonate over the expected 40-year life of mine.
The US Department of Energy’s (DOE’s) Advanced Research Projects Agency - Energy (ARPA-E) will award $38 million to 12 projects that will work to reduce the impacts of light-water reactor used nuclear fuel (UNF) disposal. Upon discharge from a nuclear reactor, the UNF is initially stored in steel-lined concrete pools surrounded by water.
Several opportunities will be evaluated over the coming months that could enhance project economics further, including alternative approaches to managing elevated sodium concentrations prior to returning process water to the environment. Sodium Treatment. Water management. Tailings Capacity, Phase 1. 56 million.
Under the agreement, E3 Lithium will continue to operate the Clearwater project and retain its IP, with technical and development support from Imperial in areas such as water and reservoir management. calcium, magnesium, sodium); and a 20x-100x lithium concentration factor. million into E3 at a pre-paid price of CAD $1.86/warrant
Using electrolyzed water rather than harsh chemicals could be a more effective and environmentally friendly method in the pretreatment of ethanol waste products to produce an acetone-butanol-ethanol fuel mix, according to research conducted at the University of Illinois. coli on fresh fruits and vegetables.
To yield more oil, water may be injected into the reservoir to maintain pressure in order to keep the flow moving. Engineers may also make the water more alkaline by adding sodium hydroxide or sodium carbonate to help the oil flow better. —Yuichiro Nagatsu.
As a first step, the parties will study the feasibility of a 100 megawatt water electrolysis facility to produce up to 15,000 tons of hydrogen per year as well as oxygen at Tata Steel’s IJmuiden site, near Amsterdam. by combining it with emissions from steel manufacture to make new products.
The Pilot Plant has undergone validation testing and begun Phase One operation, the results from which demonstrate highly selective, high-yield direct lithium extraction from brine and high water efficiency. SuperLig 285 is highly selective for Li over other brine constituents including magnesium, calcium, sodium, potassium and boron.
These plants pump hot water from geothermal deposits and use it to generate electricity. The LDH sorbent is made up of layers of the materials, separated by water molecules and hydroxide ions that create space, allowing lithium chloride to enter more readily than other ions such as sodium and potassium.
million for four advanced nuclear reactor projects that go beyond traditional light water designs. Westinghouse’s project will conduct analysis on sodium thermal hydraulics to support advanced nuclear reactor design. The US Department of Energy (DOE) is awarding $3.5 Westinghouse Electric Company.
A key innovation is the use of sodium silicide to liberate hydrogen from water as needed by the hybrid fuel cell. Riders can carry additional cartridges which are real-time hot-swappable. Earlier post.) This process happens at a very low pressure of less than 30 psi. SiGNa Chemistry, Inc.,
Saint-Gobain Glass then mixes the recyclate with, among other things, quartz sand, sodium carbonate, and chalk—the basic components of glass. To do that, the glass granulate is initially segregated by type for clear verification of source and color and then stored in bins. That will mean that the company will emit up to 75 tons less CO?
In the mid-20 th century, chemical companies successfully created magnesium feedstock from seawater by mixing it with sodium hydroxide, commonly known as lye. For example, the sodium hydroxide used to extract the magnesium salt can be generated on site using seawater and marine renewable energy. —Wang et al. 2c00229.
Proton exchange membrane (PEM) electrolyzers use a solid polymer electrolyte, and alkaline electrolyzers use an electrolyte solution, such as potassium hydroxide or sodium hydroxide mixed with water. Cummins currently manufactures both PEM and alkaline electrolyzers.
The electrolyte is transformed into a sodium sulfate salt, which is then used in textiles, glass, and detergent manufacturing. Department of Natural Resources Stewardship Program, and storm water management. More than 98% of the batteries are recycled. Iron by-products are used in other industrial processes.
Researchers say the device, composed of inexpensive non-noble metal nitrides, manages to avoid many of the obstacles that have limited earlier attempts to inexpensively produce hydrogen or safe drinking water from seawater. The work is described in an open-access paper in Nature Communications.
Bicarbonates are a component of many natural stones and are also commonly used as baking powder or sherbet (sodium bicarbonate, NaHCO 3 ). to sodium formate in 96% yield at 70 °C in water/THF without additional CO 2. In comparison to CO 2 , solid bicarbonate is easy to handle and is very soluble in water.
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