公开(公告)号：US12264092B2

公开(公告)日：2025-04-01

申请号：US17791444

申请日：2021-05-11

Applicant: SHANDONG UNIVERSITY

Inventor： Zhen Hu ,  Xinhan Chen ,  Jian Zhang ,  Huijun Xie ,  Shuang Liang

IPC: C02F3/32 ,  C02F3/34 ,  C02F101/30 ,  C02F103/26

Abstract: A constructed wetland system enhanced by immobilized laccase, it includes wetland plants, a matrix layer and a water distribution system, the wetland plants growing on the matrix layers, the matrix layer including a laccase catalyst and gravel, the laccase catalyst and gravel are distributed at intervals in a modular manner in a ratio of 1:5, the water distribution system is arranged on both sides of the matrix layer. The laccase catalyst is prepared by using a co-immobilization technology. The system improves the removal effect of hard-to-degrade organic matter in wastewater, and solves the problems of toxicity and stress of the hard-to-degrade organic matter existing in the prior art and the problems of matrix adsorption saturation.

公开(公告)号：US10684241B2

公开(公告)日：2020-06-16

申请号：US16061022

申请日：2017-11-07

Applicant: SHANDONG UNIVERSITY

Inventor： Jian Zhang ,  Huaqing Liu ,  Zhen Hu ,  Chenglu Zhang ,  Jinlin Fan

IPC: G01N27/04 ,  G01V3/06 ,  C02F3/32

Abstract: A method for detecting clogging of a subsurface flow constructed wetland, including the steps of firstly emptying water in the subsurface flow constructed wetland, and then measuring the apparent resistivity of the subsurface flow constructed wetland bed after the water is emptied, wherein the water holding capacity of clogging sediments in the clogged region after emptying is strong, the apparent resistivity of this region is further measured to be lower than an unclogged region and the clogged region can thus be positioned and analyzed, the apparent resistivity of the region clogged more seriously is lower and the degree of clogging can thus be quantitatively analyzed.