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$49.00
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Binchotan is sold by the gram. One unit of Binchotan is 1g at a cost of 15c/gram. Minimum weight order is 150g due to the general size of the Binchotan pieces. If you would like smaller pieces please come in store or contact us with your size request.
Binchotan, also known as shiro-zumi or white charcoal, is an activated charcoal or carbon made in various regions of Japan. Our Binchotan comes from the Kishu or Tosa regions. It is a traditional material and is widely used in Japan for food preparation, as a smoke-free, long-burning BBQ fuel and Ikebana (Japanese flower arranging).
Other applications include water filtration, humidifying, air filter, radio frequency shielding, electromagnetic wave absorber, bathroom/cupboard/fridge deodorising and personal care products.
This Binchotan is made from 100% Ubame Oak (Quercus phillyraeoides) which is the official tree of Wakayama prefecture, Japan where it is made.
It is made in a kiln by artisans who heat the stacked oak branches to a relatively low temperature (200–400 degC) over a long period and raise the kiln temperature to approx. 1000degC towards the end of the pyrolysis process. The charcoal is then removed and smothered with a moistened mixture of earth, sand and ash. The use of ash to quench the material gives the charcoal a pale grey colour and its name of ‘white’ charcoal.
This process of heating and cooling carbonises the wood structure and creates countless microscopic cavities. It is around 97% pure carbon and has been reported to have a surface area of approx. 270 m2/g (reference: http://pubs.acs.org/doi/abs/10.1021/ie50258a007). It adsorbs or bonds with toxins at a molecular level. It also releases Calcium, Magnesium and Potassium. The Colorado State University produced the following table and graph that can be found at www.kishucharcoal.com/science and details the metals that were reduced in their research.
Following is a care table for keeping track of time for maintaining the charcoal. This is a guide and a conservative guess on the replace date. Compare the smell and taste to tap water to decide if the microscopic pores are full.
Use Start Date |
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Boil 1 Date = Start Date + 3 weeks |
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Boil 2 Date = Boil 1 Date + 3 weeks |
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Boil 3 Date = Boil 2 Date + 3 weeks |
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Replace Date = Boil 3 Date + 3 weeks |
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Some of the uses for Binchotan after water filtration use are:
I am using my Binchotan in various ways.
I have pieces in my office to absorb the EM frequencies, some in my bedroom to purify the air, in the wardrobe to absorb any stuffiness and most of all I use it to filter my drinking and cooking water.
If the charcoal does all it claims it does, I am one very happy customer. When the charcoal has past it's "use by date", I will crush it and sprinkle it on my vegie patch for the extra carbon. I also use activated charcoal with a couple of other ingredients to whiten my teeth and for a healthy oral microbiome. charcoal is one of favourite natural products.
Hi Debbie,
Thanks so much for your comprehensive review of the Binchotan. Its wonderful to hear that you have so many fabulous uses for it! Kind regards, the Urban Revolution Team :-)