The shell-shell water treatment activated carbon has a large specific surface area, water treatment activated carbon microporous development, wear resistance, pressure resistance, high temperature resistance, fast adsorption speed, high purification degree, not easy to remove powder, easy to regenerate, and long service life. The shell water treatment activated carbon is mainly used for industrial water, domestic water and pretreatment and deep purification of various gases, and can also be used for decolorization and refining of solution, and can effectively remove harmful substances such as odor, chlorine, oil, cyanide and heavy metal ions. 1, reference dosage Newly renovated living rooms (including office space, hotels, etc.) are used at 1-2 packs per square meter (ie 50-100g). The daily protection of the indoor environment can be appropriately reduced according to the degree of pollution. Shell activated carbon Note: 50-100g per square meter is used to calculate the total amount of space used, not to evenly place 50-100g per square meter. 2, usage: A. The key place is the source of pollution and the place where people often move. The activated carbon adsorption package is placed directly in the cabinet of the wardrobe, shoe cabinet, book cabinet, kitchen cabinet, etc. in the living room; the computer, the desk, the coffee table, the sofa, etc., where the people often move, and other needs Any position of the air. Activated carbon is a passive purification material. The harmful substances in the air must rely on air as a medium, but the air mobility in the room is poor. The activated carbon is difficult to capture harmful substances in the air far away in a short time, so it is used in a small range. Small spaces work best. B. The height of the space is 180 cm. Indoor harmful gas, taking formaldehyde as an example, its specific gravity is greater than air, so the pollutants in the middle and lower parts of the indoor space are the most serious. This height is equivalent to the height of the human body, so it is the best placement height. C. After about 20 days of use, after 3-5 hours of exposure in the sun, it can be used repeatedly, so it can be used for 6-10 months. This step is necessary. The pores in the activated carbon are limited and will be saturated after a period of use. In particular, a large amount of water molecules occupy a large space in the activated carbon. Therefore, it is necessary to explode on a regular basis to evaporate water molecules in the activated carbon. D. Use of new homes that do not stay immediately: first open the windows to ventilate as much as possible. You can use an electric fan to speed up the alternating amount of fresh air and indoor air, discharge harmful gases to the outside, and disperse the activated carbon adsorption pack anywhere in the room. After a while, indoors The taste is reduced, and the activated carbon is collected and concentrated, the source of pollution is controlled, and the continuously released harmful substances are continuously adsorbed. When the activated carbon is placed in the cabinet, the door should be closed and the window opened. E, the need to stay in the new house to pay attention to points: the principle of physical adsorption of activated carbon is like the regulation principle of traditional Chinese medicine, the effect is slightly slow, but safe without side effects, long-lasting purification time. For new homes that are urgently needed, it is recommended to use them in combination with other treatment methods, such as using plants at the same time. Decontamination method: Planting plants such as spider plant, tigertail orchid, aloe vera; or pollution control products using plant extract as raw material. 3. Try to keep the window open and ventilated during use. Note: Explanation of pollution source——The indoor decoration pollution is mainly formaldehyde pollution, and the main release source of formaldehyde is the place where the large fiber board and the core board are accumulated. The shell-shell sewage treatment activated carbon is mainly used for decontamination and purification of sewage treatment, tap water purification, monosodium glutamate, citric acid, amino acids, beer, refreshing beverages, food additives, glucose and antibiotics, and garbage burning power generation. Activated carbon is a porous carbonaceous material. It has a highly developed pore structure and is an excellent adsorbent. The adsorption area per gram of activated carbon is equivalent to that of eight tennis balls. The adsorption is borrowed. It is achieved by physical adsorption force and chemical adsorption force. Its constituent materials contain a small amount of hydrogen, nitrogen, oxygen and ash in addition to carbon, and its structure is formed by carbon-forming hexacyclic materials. Due to the irregular arrangement of the six-ring carbon, the characteristics of the microporous volume and high surface area of ​​the activated carbon are caused. Activated carbon can be made from a variety of carbonaceous materials including wood, sawdust, coal, coke, peat, lignin, pits, hard husks, sucrose pulp, bone, lignite, petroleum residues, and the like. Among them, coal and coconut shell have become the most commonly used raw materials for the manufacture of activated carbon. The manufacture of activated carbon is basically divided into two processes. The first process includes dehydration and carbonization, heating the raw materials, drying at a temperature of 170 to 600 ° C, and carbonizing the original organic matter by about 80%. The second process is to activate the char, which is carried out by reacting an activator such as steam with carbon. In the endothermic reaction, a mixed gas consisting of CO and H2 is mainly produced for burning the heated char to a suitable temperature (800). Up to 1000 ° C), in order to burn off all the decomposable substances, thereby producing a developed microporous structure and a large specific surface area, and thus has a strong adsorption capacity. The pores of activated carbon can be classified into three types according to the size of the pore size. Large hole: Radius 1000 - 1000000 A. Transition hole: radius 20 - 1000 A. Micropores: Radius - 20 A. Activated carbon made from different raw materials has pore sizes of different sizes. Activated carbon made from coconut shell has a minimum pore radius. Wood activated carbons generally have the largest pore radii, they are used to adsorb larger molecules and are used almost exclusively in the liquid phase. The first type of granular activated carbon used in the field of urban water treatment is made of wood, called charcoal. The pore size of coal-based activated carbon is somewhere in between. In coal-based activated carbon, lignite activated carbon has more transition pores and larger average pore diameter than anthracite activated carbon, so it can effectively remove macromolecular organic matter in water. Activated carbon, which is generally used in water treatment, has a surface area that is not necessarily too large, but should have more transition pores and a larger average pore diameter. Some activated carbons for liquid phase sales in Japan have the following characteristics: a specific surface area of ​​850 to 1000 m 2 /g, a pore volume of 0.88 to 1.5 ml/g, and an average pore radius of 40 to 50 A.
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