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Die Akzeptanzkriterien für Ionenaustauschharze für die Wasseraufbereitung in Kraftwerken basieren hauptsächlich auf DL/T 519-2014 Akzeptanzkriterien für Ionenaustauschharze für Wasseraufbereitung in Kraftwerken. Der Standard, der von der National Energy Administration herausgegeben wurde, wurde am 18. März 2014 veröffentlicht und am 1. August desselben Jahres umgesetzt, wodurch der vorherige DL/T 519-2004-Standard ersetzt wurde. Der Standard-Standard DL/T 519-2014 gibt die technischen...
Uranentfernungsharze und Uran -Extraktionsharze, die hauptsächlich in der Kernindustrie eingesetzt werden, sind ein wichtiger Bestandteil der im Kernkraftstoffzyklus erzeugten radioaktiven Abfälle. Sie spielen eine Schlüsselrolle in Einrichtungen wie Kernkraftwerken und Kernkraftstoff -Wiederaufbereitungsanlagen. Uranentfernungsharze Das Uranentfernungsharz ist eine spezielle Art von Ionenaustauschharz mit einer hochselektiven molekularen Struktur, die Uranionen effizient adsorbiert. Seine...
Verfeinertes gemischtes Bett: Auch als "nicht regeneratives gemischtes Bett" oder "poliertes gemischtes Bett" bezeichnet. Der Hauptkern des raffinierten gemischten Bettes ist ein "Einweg" gemischtes Ionenaustauschharz (im Folgenden als "raffiniertes Mischbettharz"). Das raffinierte gemischte Bettharz ist im Allgemeinen ein ausgel starkes Säure -Kation -Austauschharz (Typ H) und ein starkes Basisanion -Austauschharz (OH -Typ) ist ein Produkt, das in einem...
Deionisation resin is an ion exchange material used in water treatment, mainly for removing ions from water, thus improving the purity of water. The resin works through an ion exchange process, exchanging cations and anions in the water with hydrogen and hydroxide ions on the resin to achieve deionisation. Deionisation resins are usually found in the form of small particles with a porous structure that provides a large surface area for ion exchange. These resins are classified into two types:...
1. Exchange Capability Hydrogen-type cation exchange resin can dissociate hydrogen ions (H +) in water. When encountering metal ions or other cations, mutual exchange occurs, but the exchanged resin is no longer hydrogen-type resin. For example, when the concentration of cations such as calcium ions and magnesium ions in water is quite large, the hydrogen ions in the sulfonic acid type cation exchange resin can be exchanged with calcium and magnesium ions to form a "calcium type" or "magnesium...
The process of extracting uranium from uranium ore into a nuclear-purified (see radionuclide purity) uranium compound is an important step in the production of natural uranium. The main products are ammonium diuranate (commonly known as yellow cake) and uranyl tricarbonate. Purified (also known as refined) uranium compound products must meet nuclear purity requirements. The refined product is further dried, calcined and processed into uranium dioxide or uranium octaoxide for use in the...
Removal of Fluoride from Filter Water Using Ion Exchange Resin Understanding the Issue Fluoride in water, while beneficial in moderate amounts for dental health, can become harmful when present in excess. Excessive fluoride can lead to dental fluorosis and other health problems. The Role of Ion Exchange Resin Ion exchange resins are synthetic materials that can remove ions from water. In the context of fluoride removal, specific resins are designed to selectively exchange fluoride ions with...
Ion exchange resins play a significant role in the sugar industry, particularly in the process of decolorization. They are synthetic materials that can selectively remove impurities, including colorants, from sugar solutions. How Ion Exchange Resins Work in Sugar Decolorization: Selective Adsorption: The resin contains functional groups that have an affinity for certain molecules. In the case of sugar decolorization, these groups are designed to selectively adsorb colorants, such as melanoidins...
Throughout the world boiler industry, there are only two methods of boiler water treatment: water treatment inside the boiler and water treatment outside the boiler. Today we will talk about boiler water treatment: 1. Water filtration. (1) At present, industrial boilers in China generally use urban tap water. The water supply of waterworks is treated by sedimentation and clarification. The content of suspended solids and mechanical impurities in water is relatively small, and most of them can...
The resin slurry method is an advanced gold extraction technology, the core of which is to use specific synthetic resin to adsorb and recover gold in the ore. This technology is fast, efficient and low-cost. In practical applications, such as the production practice of Dongxi Gold Mine, the resin slurry method has been proven to be superior to the traditional carbon slurry method and can significantly improve the leaching rate and adsorption rate of gold. This method usually involves mixing ion...
Many of ore gold ore containing arsenic, often arsenopyrite (arsenic pyrite) exists in the form of inconvenience to the extraction of gold is usually pretreated. It is easy to produce arsenic-containing gas and arsenic-containing wastewater in the pretreatment process. The arsenic-containing wastewater mainly contains oxides of arsenite, arsenate and arsenic. If it is not treated and discharged into the surface water body, it will cause serious harm to farmland irrigation, human and animal...
Ion exchange resin is one of the most active and creative fields in the food and fermentation industry, and it plays a key role in the development of the food industry. With the improvement of people's living standards, people's food consumption requirements are getting higher and higher. The safety, hygiene and non-toxicity of food is a long-term trend that people have been pursuing, and ion exchange resin plays an important role in this aspect, so the application of resins in the food...
Biodiesel is an important green alternative fuel in the global transportation sector, which is environmentally friendly and renewable. Biofuels extracted from renewable natural energy sources are a viable alternative to fossil fuels. Biodiesel based on renewable animal and plant fats can be directly used in internal combustion engines without the need for engine modification.Biodiesel is typically produced by extracting methyl esters from bio oils through ester exchange reactions. Rapeseed oil,...
There are many factors that affect the processing capacity of ion exchange resin. When we use the in daily time, if an abnormal depression come out in processing performance, we generally analysis the cases by the following sequences and take measures. 1. Check the height of resin bed, and observe if the resin loss or not The capacity of the quantitative resin to handle the feed liquid under a specific condition is relatively stable. Therefore, when the resins in the system decreases, the...
In ultrapure water equipment, ion exchange resin is very important, and its performance is directly related to water resistivity, electrical conductivity, and the number of anions and cations in water. Therefore, the maintenance of the ion exchange resin is important. First, the storage of ion exchange resins in ultrapure water equipment. The ion exchange resin contains a certain amount of water. When stored, it should not be stored in the open air. It should be kept moist during storage and...
There are three main methods to extract gold from ore: cyanidation, flotation, and gravity separation. Choosing the most effective approach depends heavily on the unique characteristics of each mine. A gold processing plant that employs a scientific and data-driven selection process can significantly improve its efficiency and profitability. 1) The resin adsorbs gold at a high speed, has a high adsorption capacity, and has a wide application range. Therefore, various cyanide solutions obtained...
The process of adsorbing and recovering gold from a cyanide slurry using an ion exchange resin is referred to as the resin-in-pulp method (RIP method). Ion exchange resins consist of ionized groups capable of dissociating in solution. These groups can dissociate into two parts: one is a solid ion (denoted as R) that cannot be ion exchanged, and the other is a counter ion with the opposite charge of the fixed ion. Cation exchange resins and anion exchange resins are classified based on the...
weakly basic anion exchange resin 1.PH range: 0-14 2. Allowable temperature (°C) Chlorine type ≤ 80 Hydrogen oxygen type ≤ 60 3. Expansion ratio: %(Cl-→OH-)≤25 4. Industrial resin layer height: m 1.0-3.0 5. Regeneration concentration: % NaOH: 4-5 6. Regenerant dosage (according to 100%), kg/m3 wet resin: NaOH (industrial): 40-80 7. Regeneration fluid flow rate: m / h 4-6 8. Regeneration contact time: minute: 30-60 9. Washing flow rate: m/h: 15-25 10. Washing time: minute: about 25 11. Operating...
In the ion exchange water treatment, the ion exchange resin should be rationally selected according to the water quality of the raw water, the requirements for the quality of the effluent water, the basic properties of the ion exchange resin, and the performance of the ion exchange equipment. The passage you provided offers a great explanation of selecting ion exchange resins for water treatment. Here's a breakdown of the key points: Factors to Consider When Choosing Ion Exchange Resin:...
Abstract: During the ion exchange process, the resin exchange capacity decreases or the exchange performance is lost due to various reasons, which will cause the abnormal operation of the exchange system or reduce the quality of the system effluent. At this time, the resin must be replaced or recycled. There are several main factors that cause the resin exchange performance to be reduced. According to different factors, corresponding methods are adopted to treat it to restore the exchange...
Reference index for 001*7 cation exchange resin: When using 001*7 cation exchange resin, it's essential to consider several key factors to ensure optimal performance and efficiency in the desired application. Here's a reference index outlining the crucial parameters: Ion Exchange Capacity (IEC): Determine the maximum number of exchangeable ions per unit weight or volume of the resin. Higher IEC indicates greater capacity for ion exchange, allowing for more efficient removal or exchange of...
English name: Anion exchang resin; Amberlite IRA-900 chloride form Other names: Macroporous strong basic styrene anion exchange resin; D201 anion exchange resin CAS number: 9050-97-9 Level: AR Type: Cl- (chlorine type) Water content: 50.0 ～ 60.0% Exchange capacity: ≥1.15mmol / g Particle size (0.315 ～ 1.25mm): ≥95.0% Wet visual density: 0.65 ～ 0.73g / mL Wet true density: 1.06 ～ 1.10g / mL Properties: Milky white opaque spherical particles. D-201 is a high-grade macroporous strong base type Ⅰ...
Strong acidic cation exchange resins, like 001X7 you mentioned, are a special type of material used in various water treatment processes. Here's a breakdown of their key characteristics: Structure: Imagine a bead-like substance made of a cross-linked polymer, often polystyrene. Attached to this polymer backbone are functional groups called sulfonic acid groups (SO3H). These groups act like tiny "ion magnets," eagerly attracting and holding onto positively charged ions (cations) from the...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.