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INDUSTRY TENDENCY http://activated-carbon.biz/press-release/industry-tendency.html Thu, 23 Nov 2017 14:51:14 +0000 Joomla! 1.5 - Open Source Content Management en-gb Main Raw Materials of Activated Carbon http://activated-carbon.biz/press-release/industry-tendency/269-main-raw-materials-of-activated-carbon.html http://activated-carbon.biz/press-release/industry-tendency/269-main-raw-materials-of-activated-carbon.html


The main raw materials of activated carbon almost can be all the organic material with rich carbon, such as coal, wood, shell, coconut, walnut shell, apricot shell, dates shell and so on.

 
These materials are converted to activated carbon through high temperature and certain pressure.In the activation progress, large surface area and complex pore structure are gradually formed. The adsorption progress appears in the pore strcture and on the surface area.

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Industry Tendency Sun, 22 Jun 2014 03:01:01 +0000
Main Elements of Activated Carbon http://activated-carbon.biz/press-release/industry-tendency/268-main-elements-of-activated-carbon.html http://activated-carbon.biz/press-release/industry-tendency/268-main-elements-of-activated-carbon.html

Activated carbon
is maily composed of 80-90 percent of carbon which makes activated carbon a kind of hydrophobic adsorbing material. Except of carbon, it also includes other two kind of elements, one is elements of chemical combination, primarily consists of oxygen and hydrogen which are chemical element because they are not completely carbonized or teh foreign non-carbon elements combine with surface of activated carbon chemically. For example, the surface will be oxidized by oxygen and steam.

 
The other one is ash which is the inorganic part of activated carbon consisting of  a few elements. With the development of activated carbon industry, more and more industries and companies begin to use activated carbon. there are some companies enter in the activated carbon industry.


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Industry Tendency Fri, 20 Jun 2014 02:47:34 +0000
Sound Absorption of Activated Carbon http://activated-carbon.biz/press-release/industry-tendency/265-sound-absorption-of-activated-carbon.html http://activated-carbon.biz/press-release/industry-tendency/265-sound-absorption-of-activated-carbon.html

Activated carbon
can be used for air and water treatment. Sound energy is found within air , water and activated carbon can be used to absorb that energy. With its high degree of porosity in each activated carbon granule, sound energy has large areas to enter into and be converted to heat. With the energy change to heat, the process of sound absorption occurs.

 
Activated carbon in its granule form can be used to absorb middle and high frequency ranges provided the absorbers design lets air pass through the carbon. It can also be used inside of diaphragmatic absorption technology which can help increase the rate of absorption within the diaphragmatic absorber.

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Industry Tendency Tue, 17 Jun 2014 03:26:39 +0000
Gas Purification of Activated Carbon http://activated-carbon.biz/press-release/industry-tendency/263--gas-purification-of-activated-carbon.html http://activated-carbon.biz/press-release/industry-tendency/263--gas-purification-of-activated-carbon.html
 

Filters with activated carbon can be used in ari and gas treatment to remove oil vapors, odors, and other hydrocarbons from the air. It use a 1 stage or 2 stage filtration principle in which activated carbon is embedded inside the filter media.

 
Activated carbon filters are used to retain radioactive gases from a nuclear boiling water reactor turbine condenser. The air vacuumed from the condenser contains traces of radioactive gases. The large charcoal beds adsorb these gases and retain them while they rapidly decay to non-radioactive solid species. The solids are trapped in the charcoal particles, while the filtered air passes through.


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Industry Tendency Sun, 15 Jun 2014 08:00:00 +0000
The (Indoor) Uses of Activated Carbon http://activated-carbon.biz/press-release/industry-tendency/260-the-indoor-uses-of-activated-carbon.html http://activated-carbon.biz/press-release/industry-tendency/260-the-indoor-uses-of-activated-carbon.html

Nowadays, activated carbon (AC), a kind of absorbing material, has the ability of getting rid of the indoor gaseous pollutants. Therefore, activated carbon is gradually used in the air conditioning system.

 
Using activated carbon as a kind of absorbing material has a long story. Tracing back to theb ancient Egyptian, people had used charcoal to deal with the odour from the wound.

 
The extent of activated cna be adjusted according to the level of air pollution in house. In principle, the more the AC is used, the effects are better.

 
When activated carbon is placed in the cabinet, we should close the cabinet and open the window. To the carbon with high absorption, we can put it in the enclosed cabinet or drawer, such kind of enclosed small places which can help the carbon fully contact with harmful gases to achieve better effects. If you put the carbon in the living, the big open space, the effects is poorly.


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Industry Tendency Tue, 10 Jun 2014 02:14:46 +0000
Particle Size Distribution and Apparent Density http://activated-carbon.biz/press-release/industry-tendency/258-particle-size-distribution-and-apparent-density.html http://activated-carbon.biz/press-release/industry-tendency/258-particle-size-distribution-and-apparent-density.html

The finer the particle size of activated carbon will help you access to a better surface area and a faster the rate of adsorption kinetics. In vapour phase systems this needs to be considered against pressure drop, which will affect energy cost. Paying more attention on the distribution of particle size of activated carbon can achieve significant operating benefits.

 
The solid or skeletal density of activated carbons will typically range between 2.0 and 2.1 g/cm3 .A large part of an activated carbon sample will consist of air space between particles, and the actual or apparent density will therefore be lower, typically 0.4 to 0.5 g/cm3. Higher density provides greater volume activity generally indicates better-quality activated carbon.


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Industry Tendency Sat, 07 Jun 2014 01:14:04 +0000
The Hardness and Ash Number of Activated Carbon http://activated-carbon.biz/press-release/industry-tendency/255-the-hardness-and-ash-number-of-activated-carbon.html http://activated-carbon.biz/press-release/industry-tendency/255-the-hardness-and-ash-number-of-activated-carbon.html

Harness is a measure of the activated carbon’s resistance to attrition. It is an important indicator of activated carbon to maintain its physical integrity and withstand frictional forces imposed by backwashing, etc.

The differences in the hardness of activated carbons mainly depends on the raw material and activity level.The hardness number has a some performance impacts on the life cycle of activated carbon.

 
Ash reduces the overall activity of activated carbon and it reduces the efficiency of reactivation. The metal oxides can leach out of activated carbon resulting in discoloration. Acid/water soluble ash content is more significant than total ash content.


Soluble ash content is very important for aquarists, as ferric oxide which can promote growths of
algal. A carbon with a low soluble ash content should be used for marine, freshwater fish and reef
tanks to avoid heavy metal poisoning and excess plant or algal growth.


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Industry Tendency Wed, 04 Jun 2014 01:12:59 +0000
Environmental Effects of Activated Carbon http://activated-carbon.biz/press-release/industry-tendency/252--environmental-effects-of-activated-carbon.html http://activated-carbon.biz/press-release/industry-tendency/252--environmental-effects-of-activated-carbon.html

Environmental protection activated carbon is a new activated carbon specifically used in enviromental protection.

 
Carbon adsorption has numerous applications in removing pollutants from air or water streams both in the field and in industrial processes such as: spill cleanup, groundwater remediation, drinking water filtration, air purification, volatile organic compounds capture from painting, dry cleaning, gasoline dispensing operations, and other processes.

 
It is mainly used in air and water treatment. This kind of activated carbon is usually used in
enviromental protection, thus, it is aclled environmental protection activated carbon taking the
advantages of high speed of adsorption, developed pore structure which can help to deal with the
waste gas and water problem. ITt mainly made from coconut shell, wood and coal.

 
In 2007, Ghent University, Belgium began research in water treatment after festivals. A full scale activated carbon installation was built at the Dranouter music festival in 2008, with plans to utilize the technology to treat water at this festival for the next 20 years.
Activated carbon is also used for the measurement of radon concentration in air. The present article
provides an overview of research studies and advances concerned with the development of activated
carbon and its use as adsorbent in environmental applications currently.

 
The life cycle assessment environmental tool was used to quantify the potential environmental
impacts associated with the activated carbon production process . On the basis of laboratory
investigations for activated carbon, a flowchart was developed and the environmental impacts were
determined.  If certain modifications are available to activated carbon, additional savings could be
realized, and environmental impacts could be minimized.

 
With the adjustment of its pore structure and improvement of the surface chemical properties will
have significant increases to its abilities. Activated carbon will be widely used in envirimental
protection whith the increased emphasis of people on the enviromental protection.


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Industry Tendency Mon, 26 May 2014 09:32:39 +0000
THE BENEFITS AND USES OF ACTIVATED CARBON http://activated-carbon.biz/press-release/industry-tendency/250-the-benefits-and-uses-of-activated-carbon.html http://activated-carbon.biz/press-release/industry-tendency/250-the-benefits-and-uses-of-activated-carbon.html

Activated carbon
is a porous material containing carbon, which has highly advanced pore texture,and is a excellent adsorbent, per gram of activated carbon adsorption area as much as the equivalent of eight tennis courts.

 
One of the popolar substances is activated carbon, also known as activated charcoal.  Carbon or activated Charcoal has been around for thousands of years.


Activated carbon can be used to clean the teeth. Dip some carbon in the toothpaste and then add  a little bit of water. It will greatly clean your teeth and help to remove stains on the teeth.

 
Activated carbon has high efficiency air purification function, which can help to build comfortable and clean environment, also can care for human health, it is invisible air filters.

 
Activated carbon is also can be used to deal wtih accidental ingestion of poison, drugs or household
chemicals. Adding a balanced amount AC to a glass of water, stir it up well have it drinked.


Activated carbon is widely used in all aspects of industrial and agricultural production, such as
petrochemical industry non-alkali deodorization , ethylene desalination water (refined packing), catalyst
carrier , water purification and wastewater treatment, the power plant water treatment and protection in
electric power industry, chemical catalyst and carrier, gas purification and ect.


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Industry Tendency Fri, 23 May 2014 01:24:54 +0000
Activated Carbon Manufacturing Methods http://activated-carbon.biz/press-release/industry-tendency/246-activated-carbon-manufacturing-methods.html http://activated-carbon.biz/press-release/industry-tendency/246-activated-carbon-manufacturing-methods.html
Activated charcoal is used  for many kinds of poison. You can make your own activated
carbon at home with the proper equipment. Activated carbon is a processed, porous version
of carbon that has various kinds of uses, especially adsorption and chemical reaction
needs .

 
Carbonization is the process of taking the carbon material and converting it to pure
carbon through high temperature heating. This heating process comes from an ancient
technique for making charcoal. Very dense carbonaceous material is used in the beginning,
because the end result needs to be extra-porous for activated carbon purposes. After the
high tempreature of heatingg, what remains is usually about 20 percent  to 30 percent of
the beginning weight consisting of mainly carbon and a small part of inorganic ash.

 
Physical Method

The Physical or Steam Activation Process is known for yielding higher quality activated
carbon. However, due to the amount of heat necessary to produce activated carbon using
this method, it is more expensive and requires industry manufacturing.

 
Physical Activation, or Steam Activation, places a carboneous source material such as
wood, coal, petroleum pitch or even coconut shells in a tank without oxygen, and pyrolizes
them at a high temperature. All of the volatile compounds are removed, as layer after
layer of carbon atoms are pealed off, enlarging the internal pores and leaving behind a
carbon skeleton. By decreasing the number of carbon atoms, the internal surface area of
the material is increased.

 
Chemical Method
Chemical activation has the advantages of shorter production time and lower temperatures
required to produce activated carbon. In chemical treatment, the process is slightly
different from other methods of actiavted carbon making. For example, carbonization and
chemical activation occur simultaneously. The material is carbonized and then activated.
However, some heating processes cause trace elements from the bath to adsorb to the
carbon, which can result in impure or ineffective active carbon. This process results in a
very large surface area.

 
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Industry Tendency Mon, 19 May 2014 01:47:09 +0000