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Dhirauli Coal Mine
Dhirauli Coal Mine is a commercial coal mine in the Singrauli Coalfield, Madhya Pradesh, India, won by an Adani subsidiary in 2020 with 6.5 MTPA capacity.
Diablo Canyon Power Plant
Diablo Canyon Power Plant, also known as Diablo Canyon Nuclear Power Plant, is California's last operating nuclear power plant, run by PG&E on the coast of San Luis Obispo County.
Diamond Green Diesel
Diamond Green Diesel is a 50/50 joint venture of Valero Energy and Darling Ingredients producing renewable diesel at Gulf Coast plants in Louisiana and Texas since 2013.
Diamond Oil Pipeline (Memphis–Byhalia)
The Diamond Oil Pipeline is a 440-mile crude oil pipeline from Cushing, Oklahoma, to Valero's Memphis refinery, owned by Plains All American and Valero with a capacity of 200,000 barrels per day.
Diamond Shamrock
Diamond Shamrock was an American oil refining and marketing company formed by the 1967 merger of Diamond Alkali and Shamrock Oil and Gas; Valero absorbed it in 2001.
Diamond wire sawing
Diamond wire sawing is a wafer-slicing process in which steel wire coated with fixed diamond abrasive cuts hard, brittle materials such as silicon, silicon carbide, and sapphire into wafers.
Diandong power station
Diandong power station (滇东电厂) is a coal-fired power complex in Qujing, Yunnan, China, operated by Huaneng Yunnan Diandong Energy, with two sites, Diandong and Yuwang, totaling 3,600 MW.
Diandong Yuwang power station
The Diandong Yuwang power station is a 1,200 MW coal-fired power station in Fuyuan County, Qujing, Yunnan, China, owned by Huaneng, with units commissioned in 2009 and 2010.
Diantou power station
Diantou power station is a coal-fired power station of at least 1,320 MW in Diantou Town, Huangling County, Yan'an, Shaanxi, China, with its first phase commissioned in 2023.
Diaphragm compressor
A diaphragm compressor is a reciprocating compressor in which a flexible metal diaphragm compresses gas without contamination, making it the standard choice for hydrogen refueling stations.
Dibang Multipurpose hydroelectric plant
The Dibang Multipurpose Project is a 2,880 MW hydroelectric and flood-moderation scheme on the Dibang river in Arunachal Pradesh, India, planned around India's highest dam and due in 2032.
Dibenzyltoluene
Dibenzyltoluene (DBT) is an aromatic hydrocarbon mixture used as a liquid organic hydrogen carrier, storing 6.2 wt% hydrogen that a catalyst releases at about 300 °C.
Didcot power stations
The Didcot power stations are generating stations at Didcot, Oxfordshire, England: Didcot A, a 2,000 MW coal-fired station built from 1965 to 1974, and the gas-fired Didcot B.
Dieffenbacher
Dieffenbacher, formally DIEFFENBACHER GmbH Maschinen- und Anlagenbau, is a German family-owned company in Eppingen, Baden-Württemberg, founded in 1873 by Jakob Dieffenbacher, which builds press systems and complete plants for wood-based panels, forming, recycling, and energy.
Diesel engine runaway
Diesel engine runaway, also called diesel runaway, is a condition where a diesel engine runs out of control on unintended fuel such as its own oil.
Diesel exhaust fluid
Diesel exhaust fluid (DEF), sold as AdBlue, is a 32.5 percent urea solution injected into diesel exhaust, where it reduces nitrogen oxide emissions in SCR systems.
Diesel fuel
Diesel fuel, also called petrodiesel or diesel oil, is distillate fuel oil sold for compression-ignition engines, where fuel self-ignites in hot compressed air without a spark plug.
Diesel generator
A diesel generator, also called a genset or generating set, couples a diesel engine to an electrical alternator, providing standby power for hospitals and prime power on isolated grids.
Diesel particulate filter
A diesel particulate filter, or DPF, is an exhaust device that traps soot from diesel engines in a ceramic honeycomb, cutting particulate matter by over 85 percent.
Diezani Alison-Madueke
Diezani K. Alison-Madueke, born 1960, is a Nigerian politician who served as Minister of Petroleum Resources from 2010 to 2015, the first woman to hold the office.
Differential protection
Differential protection is a unit-protection technique in electrical power engineering that compares currents entering and leaving a zone, such as a transformer or busbar, and trips when the difference exceeds a threshold.
Diffusion combustion
Diffusion combustion, also called non-premixed combustion, is combustion in which fuel and oxidizer start separate and burn where they mix, as in diesel engines and open fires.
Digestate processing
Digestate processing treats digestate, the wet residue left after anaerobic digestion, separating it into liquid and solid fractions and recovering nitrogen and phosphorus as fertilizers.
Digital instrumentation and control
Digital instrumentation and control is the use of computer-based systems, rather than analog devices, to monitor and protect nuclear power plants; software common-cause failure is its central technical concern.
DIII-D
DIII-D is a tokamak fusion research facility in San Diego, California, operated by General Atomics and the largest magnetic fusion experiment in the United States.
Dilute acid pretreatment
Dilute acid pretreatment is a biomass pretreatment method that heats lignocellulosic material with dilute sulfuric acid to hydrolyze hemicellulose, making cellulose accessible to enzymes for ethanol production.
Dilute ammonia pretreatment
Dilute ammonia pretreatment is a chemical pretreatment for lignocellulosic biomass in which dilute aqueous ammonia selectively removes lignin, increasing fermentable sugar release for ethanol production.
Dina 2 Gas Field
Dina 2 Gas Field (迪那2气田) is an abnormally high-pressure condensate gas field in the Tarim Basin, Xinjiang, China, producing for the West-East Gas Pipeline since 2009.
Dinawan Energy Hub
The Dinawan Energy Hub is a proposed hybrid wind, solar, and battery project of up to 2 GW in the Riverina region of New South Wales, developed by Spark Renewables.
Dinginin power station
Dinginin power station is a two-unit, supercritical coal-fired power plant in Mariveles, Bataan, on Manila Bay; at about 1,336 MW it is the largest coal plant in the Philippines.