PATENT GRANT No.2021103856
GRANTED DATE: 25/08/2021
Abstract :
(EN) In one aspect of the present disclosure, a method for treatment for methylmercury-contaminated industrial wastewater is disclosed. The method includes providing earthworm
E.Fetida to the wastewater, for absorption of methylmercury, followed by passing the methyl
mercury-free water through different levels of gravel of different thicknesses mixed with sand.
The method involves adding fly ash to the treated water. The E.Fetida is a vermin composting.
The E.Fetida treats contaminated soil. The soil is acidic. The soil has organic contents in the
range of 2 to 7.7.
THE CLAIMS DEFINING THE INVENTION ARE AS FOLLOWS:
- A method for treatment for methyl mercury-contaminated industrial wastewater
comprised: providing earthworm E.Fetida to the wastewater, for absorption of methyl
mercury; passing the methyl mercury-free water through different levels of gravel of different
thicknesses mixed with sand, and adding flash to the treated water.
- The method of claim 1, wherein the E.Fetida is a vermin-composting.
- Use of the method of claim 1, wherein the EFetida treats contaminated soil.
- The method of claim 3, wherein the soil is acidic.
- The method of claim 3, wherein the soil has organic contents in the range of 2 to 7.7.
FIELD – CIVIL ENGINEERING /CHEMISTRY/MICROBIOLOGY
