The invention provides a method for desalting sea sand and a device for desalting the sea sand with the same. The steeping is skillfully combined with sea sand flushing, fresh water is injected into the upper part or the lower part of the steeped sea sand by utilizing the principle of high sand permeability, additional water pressure is artificially applied to the upper part or the lower part ...
Among the simplest devices for washing sand and removing silts and clays is a fine material screw washer, often called a sand screw. This can be installed on the ground next to a wet vibrating screen, with a simple flume or …
PURPOSE: To efficiently remove salt content from a large amount of sea sand by a method wherein sea sand is charged in a wash tank, fresh water is sprayed from the top to separate salt and sand in sea sand, and salt content is discharged together with wash water via drain mechnism at the bottom of the wash tank. CONSTITUTION: Excavated sea sand A is …
The invention discloses a sea sand desalination system and a using method thereof, wherein the sea sand desalination system comprises a first sand washing bin, a second sand washing bin, a third sand washing bin, a sand outlet hopper, a sand feeding transmission chain bucket assembly and a high-frequency vibration motor, wherein the sand outlet hopper is respectively …
The method for desalting sea sand comprises the following steps: immersing sea sand in a dechlorination liquid for dechlorination treatment, wherein the dechlorination liquid is prepared by mixing water, silver sulfate, sodium thiosulfate and bleaching powder; and heating the sea sand subjected to the dechlorination treatment to obtain the ...
Second, different methods are employed by sea sand researchers in various investigations. As a result, it is essential to consider the changes in surface texture, particle size distribution, ... By washing and eliminating the water, Bhuvaneswari et al. cleaned sea sand [96]. After 28 days, the purified sea sand had developed a strong enough ...
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The chloride content in reinforced concrete according to various codes has been evaluated the chloride removal method have been studied. This ... Rasteeduzzafer et al (1989), [8] Washing sea sand by running water through aggregate for a period of 30 minutes is adequate. Fookes et al, Washing of sea sand should incorporate some form of agitation ...
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PROBLEM TO BE SOLVED: To provide a salt removal method for sea sand capable of removing sludge ingredients and salt contents efficiently from sea sand in a short time.SOLUTION: A salt removal method for sea sand comprises: a sea sand charging step of charging sea sand 8 into a salt removal water tank 2; a liquid charging step of charging a …
The system consists of a sea sand washer, a sedimentation tank for effluent treatment from the washer, and a sludge dewatering machine from the tank. The operating data show that …
Existing studies indicate that the material characteristics of sea sand significantly impact the performance of SWSSC and are a crucial factor in determining whether it can serve …
The invention provides a sea sand dechlorination washing method which comprises the following steps: step 1, mixing sea sand, fresh water and chemical medicines, stirring for 1.5-2.5 hours at 300-400r/min, and emptying the fresh water to obtain coarsely washed sea sand; 2, mixing the coarsely washed sea sand, fresh water and a biological …
The invention provides a sea sand dechlorination washing method which comprises the following steps: step 1, mixing sea sand, fresh water and chemical medicines, stirring for 1.5-2.5 hours at 300-400r / min, and emptying the fresh water to obtain coarsely washed sea sand; 2, mixing the coarsely washed sea sand, fresh water and a biological ...
A technology of supercritical and sea sand, applied in the field of mountain sand, river sand, and supercritical washing sea sand, can solve the problems of poor quality stability, unclean addition and washing, and inability to be washed, and achieve the effect of low cost
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These standards have attempted to enforce sea-sand desalting (i.e., reducing the amount of salt using a suitable method such as washing by freshwater) for quality …
For the post-milled sand samples, the desert sand and the sea sand have the highest and lowest content of silica, respectively. Table 1 shows that C, Mg, Al, K, Ca, and Fe are the main impurity elements for the three sand samples. The river sand has the highest carbon content of 34.6 wt% and the sea sand has the lowest carbon content of 12.8 wt%, supporting the presence of …
Hence, the manufactured sand production process requires the use of washing to remove these fine particles, generating large quantities of sand washing sludge (SWS). According to surveys, the annual output of SWS from a typical conventional sand and gravel enterprise may reach about 100,000 tons, and the global sand and gravel industry ...
higher amount of chloride ions in the sea sand can corrode the reinforcements of the concrete. Therefore it's necessary to identify suitable, low cost and efficient method to remove cl* ions from the sea sand. In this study, three different salt removal techniques; mechanical washing, natural washing and recently introduced grain to grain collision
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In this study, three different salt removal techniques; mechanical washing, natural washing and recently introduced grain to grain collision were evaluated using samples from beach sand, …
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A technology of supercritical and sea sand, applied in the field of mountain sand, river sand, and supercritical washing sea sand, can solve the problems of poor quality stability, unclean …
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PDF | A new process proposed to clean dredged sea sand as a fine aggregate | Find, read and cite all the research you need on ResearchGate
The primary objective of the invention described here is to utilize sea sand de-salted through a dry process . The process requires only a …
Researchers are exploring possible ways for employing sea sand as fine aggregates. One effective method involves washing sea sand with freshwater to achieve the …
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after washing the Sea sand with water is termed as Water washed Sea Sand Concrete (SS) and the Concrete made after washing the sea sand with hot water (100 °C) is called as Hot ... The water wash method can be adopted for removal of chloride and the performance @ 2022, IRJEdT Volume: 04 Issue: 06 | June-2022 163-174 ...
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