Chemical remover for treating heavy metal polluted wastewater as well as preparation method and application of chemical remover

• Main Authors: GAO SHIKANG, HUANG PEICHENG, SHI YAN, YANG ZHIHUI, LIAO QI, ZENG GAI, YANG WEICHUN
• Format: Patent
• Language: Chinese; English
• Published: 19.01.2021
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a chemical remover for treating heavy metal polluted wastewater as well as a preparation method and application of the chemical remover. The preparation method comprises the following steps: mixing biomass powder with a solution containing an M source, adding a complexing agent solution while stirring to obtain a mixture, reacting, drying, and roasting to obtain the chemical remover, wherein the M source is selected from a manganese source and/or an iron source. According to the prepared chemical remover, the prepared chemical remover is added into lead, cadmium and arsenic polluted wastewater according to a certain mass ratio, the removal rates of available cadmium and lead are 95% or above and 90% or above respectively, and the removal rate of arsenic is 80% or above. According to the chemical remover, agricultural solid waste is fully utilized, the preparation process is simple, and the cost is low; and the prepared remover has a good removal effect on heavymetals, and can be used f