Title:
PROCESS FOR PRODUCING HEAVY-METAL-MEDIATED BIOCHAR COMPLEX CURED BY USING SILICATE
Document Type and Number:
WIPO Patent Application WO/2022/199351
Kind Code:
A1
Abstract:
A process for producing a heavy-metal-mediated biochar complex cured by using a silicate. The process involves using Hydrocharis dubia to adsorb heavy metals such as lead, manganese and zinc contained in sewage to the roots, stems, and leaves thereof, subjecting same to staged pyrolysis with activated red mud and bentonite at a high temperature, and then blending the pyrolysis product with zeolite to prepare a heavy-metal-mediated biochar complex.
Inventors:
WANG LEI (CN)
XI BEIDOU (CN)
XU NAN (CN)
SHAO YAN (CN)
ZENG HONGHU (CN)
LI SHAOFENG (CN)
CHANG MING (CN)
WANG JINSHENG (CN)
WANG XIAOSHU (CN)
WANG YANGYANG (CN)
ZHANG GEN (CN)
PAN LULU (CN)
YANG BO (CN)
XI BEIDOU (CN)
XU NAN (CN)
SHAO YAN (CN)
ZENG HONGHU (CN)
LI SHAOFENG (CN)
CHANG MING (CN)
WANG JINSHENG (CN)
WANG XIAOSHU (CN)
WANG YANGYANG (CN)
ZHANG GEN (CN)
PAN LULU (CN)
YANG BO (CN)
Application Number:
PCT/CN2022/079113
Publication Date:
September 29, 2022
Filing Date:
March 03, 2022
Export Citation:
Assignee:
CHINESE RES ACAD ENV SCIENCES (CN)
International Classes:
B09B3/00; B01J20/10; C09K17/40; B09B5/00
Foreign References:
| CN113058978A | 2021-07-02 | |||
| CN103464101A | 2013-12-25 | |||
| CN109554180A | 2019-04-02 | |||
| CN105713619A | 2016-06-29 | |||
| CN111196931A | 2020-05-26 | |||
| CN110591723A | 2019-12-20 | |||
| CN111821946A | 2020-10-27 | |||
| CN110564433A | 2019-12-13 | |||
| CN103801262A | 2014-05-21 | |||
| US20160138048A1 | 2016-05-19 |
Attorney, Agent or Firm:
BEIJING CONCEPT INTELLECTUAL PROPERTY AGENCY (CN)
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