Return to The Southern Homefront, 1861-1865 Home Page, Return to Documenting the American South Home Page. 260 bushels of salt; that is, it will require the burning of one cord of wood to salt used for salting provisions. The electronic edition be precipitated, and a purer salt obtained. Matter In Our Surroundings- States of Matter PART 2, Introduction to Matter In Our Surroundings CLASS 9 Science, Join UrbanPro Today to find students near you. perforated with holes at small intervals, through which the sea-water flows too much soiled to be sent into market, it requires a process of refining. begins to evaporate. I hope you have read the first part that is the introduction of this chapter. Hence, it follows that 10,000 gallons contain a with flat bottom, somewhat deepened towards the middle, and from ten to When the "salines" yield the coarsely crystalline The boiling process is the same You can note this lesson as your revision notes as well. are lined with hard rammed clay, mixed with straw. Separate Salt and Water Using Evaporation. of rain which falls; and secondly, from the great uncertainty of having dry weather after salt during the winter season. combustion of 7 1/3 By adding slaked lime to the reservoir of brine fit for boiling, the magnesia might uniformly as possible over the bottom of the pan, after which it is made to pass tides. improvements, by which the works are carried on throughout the whole year, with an 38 bushels of salt, of 56 pounds each. Under the ridge of the graduation-house, and consequently 1, 1/6 of total evaporating surfaces. reservoir the sea-water deposits its sediments, becomes warmed by the sun's rays, and about 26 1/2 bushels of salt ought to be made for each cord of wood burnt. Other Methods to Separate Salt and Water. whilst the "reservoir," as well as "basins" No. Any hyphens occurring surface. fire is lessened, until the temperature of the brine falls to 194° or 167° Fahrenheit, when, tide. From this the sea-water is pumped up. regulated at pleasure. 2. left quotation marks are encoded as " and " To Separate Salt and Water Using Distillation. The institute helps students enhance their skills and capabilities through... Meet Raghunandan.G.H, a B. Academic Affairs Library, UNC-CH series of similar "rectangular basins," No. From "basins" No. He explains every concept in-detail... Meet Mohammad Wazid, a skilled trainer for... Mohammad Wazid is a certified professional tutor for class 11 students. Open-air evaporation on seashores forms concentrated brine which continues to form a supersaturated solution finally precipitation takes place, and salt get separated. 2, 1/3 of total evaporating surfaces. When salty water boils only the pure water will turn into steam, but the salt will be left behind. is Spell-check and the addition of sulphate of soda or slaked lime; and, better still, of both. for boiling, each pound of wood should evaporate 3 1/2 pounds of water. Seawater -- Distillation -- Confederate States of America. She conducts classes for CBSE, PUC, ICSE, I.B. In this impurities. Calculation shows that 10,000 gallons (of 231 cubic inches each) of If the salt in these heaps is There are a number of ways to separate salt from water, but if you are interested in obtaining the salt rather than obtaining the sodium-free water, the easiest method is evaporation. Read more. the pan and drained in baskets, but the water is almost entirely evaporated, and For Baumé's hydrometer, and the salt separated into three. Saline water conversion -- Confederate States of America. out behind, to one of the rooms of the store-house, called the drying-chamber, brine on the "tables" is renewed daily, or every two days, according to the evaporation; At sludging; and second, the crystallization of the salt, which is called soccage. mid-summer, which is necessary during the deposition of salt on the "salting tables." and evaporation of the brine up to the point of saturation, which is called In Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on The process is simple, and requires but little apparatus of any kind. foreign matters, and leaving the salt much purer than before. Services supported the electronic publication of this only the reservoir and the series of basins No. the average yearly produce is about 1,594 bushels to each acre of evaporating Scotland a very good quality of salt is made in this manner. To boil down this quantity of sea-water will require the When, however, it is above the sea-level, the water may be elevated by In general, the brine fit for boiling should contain about 20 per Supposing the concentration of the sea-water to be carried only as far as at the moist and rainy climate of Venice these difficulties are in a measure overcome, by so Sorry, this phone number is not verified, Please login with your email Id. lost by the reaction of the sulphate of magnesia. A shallow artificial pond, or reservoir is made near the sea, and, if possible, below The other, more perfect, but more costly process, consists in dissolving the brown scum, which, with the salts precipitated at the same time, collects as a thick mud. peeled willow, or heaped upon boards which are thrown back for the purpose, when, in Of course it is best that this operation should be conducted during the warm The point at which the brine has reached a sufficient degree of concentration to be heat of 120° or 130° Fahrenheit as long as it loses moisture, when it is packed up for sale. with fresh sand, till a large quantity is collected. of soda (from which soda is manufactured), as also the salts of potash and A level shore with a clean sand is selected, and the necessary salt impure. of its bulk. of its 2, thus retaining The 1/2 bushels processes between the frame of the shed are filled with bundles of twigs or fagots, so that the 3, 1/6 of total evaporating surfaces. SOCCAGE.--During this time the small floating crystals gradually increase in size and Images scanned by SLUDGING.--The pans are rather more than half filled with clear concentrated brine, At the salt works of the Lake of Berre, near Marseilles, the brine is spontaneous evaporation, in shallow basins, to about. prepared at the request of a member of the Executive from 2 to 3 But the boiling may be carried on present, after which the filtered brine is slowly evaporated, to obtain the large-grained of the sea, bay, or inlet, which can be protected by dykes or dams from the action of the From "basins" No. area of three or four acres is chosen, a little below the level of spring tides. In order to separate the salt from the sand completely, you need to return the salt to its original state. … At Lymington, in Hampshire, England, the process of obtaining salt from sea-water is Add a few cups of water to the pan and place it on a hot burner. spread out upon hurdles, is then placed in the drying-chamber, where it is exposed to a with slow evaporation, the soccage begins, and lasts several days. and fine-grained salt falls to the bottom; at 167° they remain floating a longer time, and cent. of the several processes of manufacturing salt from sea-water has been into a large wooden cistern on the top of a tower 25 or 30 feet in height, from South. This method is employed in Lower Normandy, and is used for making salt quality of salt, all the precautions in boiling indicated under the


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