Methods and apparatus for enhancing the energy content of carbonaceous materials from pyrolysis
US-9845440-B2 · Dec 19, 2017 · US
Synthesis of hydrochar from jackfruit
US2020299596A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2020299596-A1 |
| Application number | US-202016733338-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jan 3, 2020 |
| Priority date | Mar 21, 2019 |
| Publication date | Sep 24, 2020 |
| Grant date | — |
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Abstract
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A method of producing hydrochar from jackfruit peel biomass includes hydrothermal carbonization of jackfruit peel biomass by autoclaving at 150° C.-250 ° C. for about 3 hours to produce a hydrochar. The hydrochar can be activated by treatment with phosphoric acid (H 3 PO 4 ), hydrogen peroxide (H 2 O 2 ), or a combination thereof. The hydrochar produced according to the method is particularly effective at removing azo-dyes, and specifically methylene blue, from aqueous solutions such as industrial waste water.
First claim
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1 - 17 . (canceled) 18 . A method of removing methylene blue from an aqueous environment, comprising contacting the hydrochar of jackfruit peel with the aqueous environment, wherein the hydrochar of jackfruit peel is produced by steps comprising: adding a jackfruit peel biomass to a liquid carrier; subjecting the jackfruit peel biomass in the liquid carrier to hydrothermal carbonization to provide a hydrochar, the hydrothermal carbonization comprising heating the jackfruit peel biomass in the liquid carrier to a temperature ranging from 150° C. to 250° C. for a period of time of 3 hours to provide the hydrochar; and separating the hydrochar from the liquid carrier. 19 . The method of claim 1 , wherein the hydrochar is incubated in the aqueous environment for about 24 hours.
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- C10L5/447Primary
Carbonized vegetable substances, e.g. charcoal, or produced by hydrothermal carbonization of biomass · CPC title
Biofuels, e.g. bio-diesel · CPC title
Graphite · CPC title
Fuel from waste, e.g. synthetic alcohol or diesel · CPC title
from waste materials, e.g. tyres or spent sulfite pulp liquor · CPC title
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- What does patent US2020299596A1 cover?
- A method of producing hydrochar from jackfruit peel biomass includes hydrothermal carbonization of jackfruit peel biomass by autoclaving at 150° C.-250 ° C. for about 3 hours to produce a hydrochar. The hydrochar can be activated by treatment with phosphoric acid (H 3 PO 4 ), hydrogen peroxide (H 2 O 2 ), or a combination thereof. The hydrochar produced according to the method is particularly e…
- Who is the assignee on this patent?
- Univ King Saud
- What technology area does this patent fall under?
- Primary CPC classification C10L5/447. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Sep 24 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).