furnace windings and next to the sample were used, respectively, to control the furnace temperature and measure the sample temperature. The quench tank was a brass cylinder filled with oil fitted directly to the bottom of the vertical reaction tube. The equilibration atmosphere was a mixture of
Passivation also can remove sulfides exposed on the surface of free-machining stainless alloys. as in a vacuum furnace or protective atmosphere, surface carburization may occur, leading to a loss of corrosion resistance. but at 15 to 20 degrees from the vertical to allow any moisture to
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FIELD: furnace; oil and gas industry.SUBSTANCE: present invention relates to tube furnace, which can be used for heating oil, oil products and other hydrocarbon mixtures. Furnace includes combustion chamber with burner communicated with heat exchange chamber, in which there product pipes, and burner includes gas holes and air duct.
2018-7-11 · Fullerene continuous preparation vacuum device The utility model discloses a fullerene continuous preparation vacuum device, which comprises a pulverizing chamber, a collection chamber, a heat exchanger and a circulation chamber sequentially connected in series into a circulation system through pipelines.
2020-3-10 · For its extensive practical experience, 911 Metallurgist has a clear understanding of what successful mineral processing engineering is and how to go about achieving it.Your goal is the production of a material that is marketable and returns you and your investors sustainable revenues.
2020-3-2 · 911MPE has small gold mining equipment for sale and more specifically mineral processing equipment.Our equipment is best used in small scale extractive metallurgy operations operated by small miners or hobbyist prospectors and mining fanatics. 911MPE' offers gold mining equipment as well as processing equipment applicable to most any base metals: copper, lead, zinc, nickel, tin, tungsten and
US3086925A US63461A US6346160A US3086925A US 3086925 A US3086925 A US 3086925A US 63461 A US63461 A US 63461A US 6346160 A US6346160 A US 6346160A US 3086925 A US3086925 A US 3086925A Authority US United States Prior art keywords monosulfide cerium sulfide metals electrolyzing Prior art date 1960-10-19 Legal status (The legal status is an assumption and is not a
2014-12-11 · FILTRATION MEDIUM COMPRISING A METAL SULFIDE . United States Patent Application 20140360942 . Kind Code: A1 . Abstract: Described herein is a liquid filtration device is disclosed a vessel for treating an aqueous liquid, wherein the vessel contains a filtration medium and wherein the filtration medium comprises a metal sulfide, wherein the
in a vertical stainless steel tube reactor under argon (99.999%, Wuhan Iron and Steel (Group) Corp., China). The temperature of the reactor was controlled by a programmable box furnace. The mixture was heated to 300 C for 10 h to remove moisture. At a rate of 3 C min−1 the temperature was raised to 700 C for electrochemical experiments.
Copper, river, c.300 mi (480 km) long, rising in the Wrangell Mts., SE Alaska, and flowing S through the Chugach Mts. to the Gulf of Alaska. Copper deposits near the upper river, long mined by natives, attracted the attention of Russians and later Americans, but exploration was difficult because of the river's currents and the glaciers near its mouth.