Activated Carbon Plant
|Capacity||2 mt/hr up to 50 mt/hr|
About Activated Carbon Plant Process Description
Activated carbons are versatile adsorbents. Their adsorptive properties are due to their high surface area, a microporous structure, and a high degree of surface reactivity. They are, used, therefore, to purify, decolorize, deodorize, dechlorinate, separate, and concentrate in order reactivity. They are, used, therefore, to purify, decolorize, deodorize, dechlorinate, separate, and concentrate in order to permit recovery and to ﬁlter, remove, or modify the harmful constituents from gases and liquid solutions.
Consequently, activated carbon adsorption is of interest to many economic sectors and concern areas as diverse as food, pharmaceutical, chemical, petroleum, nuclear, automobile, and vacuum industries as well as for the treatment of drinking water, industrial and urban waste water, and industrial ﬂue gases. Activated carbons have a microcrystalline structure. But this microcrystalline structure differs from that of graphite with respect to interlayer spacing, which is 0.335 nm in the case of graphite and ranges between 0.34 and 0.35 nm in activated carbons. The elemental 0.335 nm in the case of graphite and ranges between 0.34 and 0.35 nm in activated carbons. The elemental composition of a typical activated carbon has been found to be 88% C, 0.5% H, 0.5% N, 1.0% S, and 6 to 7% O, with the balance representing inorganic ash constituents. The oxygen content of an activated carbon can vary, however, depending on the type of the source raw material and the conditions of the activation process.
Raw Material Coconut shell and palm shell are the best raw materials for manufacturing of activated carbon because of its hardness. Indonesia is the largest coconut plantation with about 4 million hectares and the largest CPO producer in the world with palm oil plantations more than 7 million ha, which is the ideal location of the source of raw material for production of activated carbon.location of the source of raw material for production of activated carbon. Indonesian coconut plantation area occupies 31.4% of the world with vast coconut plantations of coconut production of approximately 12.915 billion grains (24.4% of world production). And the Philippines famous as the world's largest coconut producer. Coconut shell weight reached 12% of the weight of coconuts. With a heavy coconut average 1.5 kg, the potential of Indonesia, namely coconut shell 2324.7 million tons / year. The number of palm oil mills in Indonesia and Malaysia more than 800 units. When an palm oil mill with a capacity of 30 tons of fresh fruit bunches per hour, it will produce 1.95 tonnes of palm shells / hour or about 46.8 tons / day. Certainly the number of very abundant for the production of activated carbon.
Process Technology Their preparation involves two main steps: the carbonization of the carbonaceous raw material at temperatures below 800°C and the activation of the carbonized product. Thus, all carbonaceous materials can be converted into activated carbon,materials can be converted into activated carbon, although the properties of the ﬁnal product will be different, depending on the nature of the raw material used, the nature of the activating agent, and the conditions of the carbonization and activation processes. But only a good hard biomass used as activated charcoal such as coconut shell and palm shell. During the carbonization process, most of the noncarbon elements such as oxygen, hydrogen, and nitrogen are eliminated as volatile gaseous species by the pyrolytic decomposition of the starting material.
The residual elementary carbonstarting material. The residual elementary carbon atoms group themselves into stacks of ﬂat, aromatic sheets cross-linked in a random manner. These aromatic sheets are irregularly arranged, which leaves free interstices. These interstices give rise to pores, which make activated carbons excellent adsorbents. During carbonization these pores are ﬁlled with the tarry matter or the products of decomposition or at least blocked partially by disorganized carbon. This pore structure in carbonized char is further developed andcarbon. This pore structure in carbonized char is further developed and enhanced during the activation process, which converts the carbonized raw material into a form that contains the greatest possible number of randomly distributed pores of various sizes and shapes, giving rise to an extended and extremely high surface area of the product. The activation of the char is usually carried out in an atmosphere of air, CO2, or steam in the temperature range of 800°C to 900°C.
This results in the oxidation of some of the regions within the char in preference to others, so that as combustion proceeds, a preferential etching takes place. This results in the development of a large internal surface, which in some cases may be as high as 2500 m2/g. Our continuous pyrolysis technology with capacity 60 up to 200 ton/day INPUT would very reliable in theup to 200 ton/day INPUT would very reliable in the process of carbonization. Integration our continuous pyrolysis technology in activated carbon plant would be very beneficial because the most efficient processes (self sustaining process with syngas) and all products can be drawn. Then following with activation process. Carbonisation (Slow Pyrolysis Process) : Charcoal Production Primitive Charring Tehniques :large quantities of CO2 and unburned methane directly to the atmosphere Closed pit charcoal production Advanced charcoal production : Charcoal as main product, bio-oil and syngas as sideproduct. Syngas can be used in activation process.