Hi Debasish,
You may make an inquiry at Alfa Chemistry, they offer kinds of good-quality chemicals.
https://www.alfa-chemistry.com/inquiry
The idea of trying to buy a research product through chemistry outfit is not appropriate. Please define the objective of why you want to buy in case you wish to buy. Perhaps you can do it yourself. Simply put the rice husk embedded in sand into a laboratory furnace at 400 C for about four hours. You will get the biochar afterwards. This may not serve the purpose of biochar meant for soil amendment. What you will require is the material that has high internal surface area as measured by Iodine number, for instance. You can write back for additional inputs
Hanasoge Mukunda, Thank you for your kind suggestion.
I have used a furnace to produce char from rice husk. However, the char yield is very less.
Can you please suggest the best method to produce a large quantity of char, as I want to make biochar from rice husk to replace sand and cement in mortar. I want to experimentally measure the thermal performance of walls plastered with rice husk char blended mortar.
Please let me know the fraction of char (wt of char/wt of rice husk) that you got?
If you want to produce large amount of char, let me know the magnitude oer batch in kg. I will let you know how to do.
Hanasoge Mukunda SIr, the char to rice husk ratio I got was around 1:5. I need around 10 kg of char. It would be great if you tell me the best method to get it.
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