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Toxicity prediction method for setting water quality standard

A technology for water quality benchmarking and toxicity prediction, applied in special data processing applications, instruments, electrical and digital data processing, etc. Effect

Active Publication Date: 2017-08-22
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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Problems solved by technology

[0012] This patent application uses the ICE model to predict the toxicity of species, but the ICE model can only predict the biological toxicity data, which requires a large number of animal experiments, which consumes manpower and material resources

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  • Toxicity prediction method for setting water quality standard
  • Toxicity prediction method for setting water quality standard
  • Toxicity prediction method for setting water quality standard

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specific Embodiment

[0065] Taking the specific embodiment as an example, the toxicity prediction method for formulating water quality benchmarks of the present invention is further described:

[0066] Step 1. Taking silver carp as the predicted species, through literature research and database search, it was found that grass carp, a native aquatic organism in China, has a lot of pollutant data and many interspecies relationship models of grass carp. Therefore, grass carp was selected as a typical alternative species, based on 17 different The acute toxicity data of structural pollutants established an ICE model between two species: Among them, the data of 17 different pollutants are shown in Table 1.

[0067] Build an ICE model such as figure 2 shown by figure 2 The linear relationship between the two species is obtained as follows:

[0068] log 10 (Silver carp)=-0.128+1.04Log 10 (grass carp)

[0069] Among them, R 2 =0.986DF=15P=0.000

[0070] Among the above statistical parameters: R ...

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Abstract

The present invention relates to the technical field of environmental protection, and in particular to a toxicity prediction method for setting the water quality standard. The method comprises the steps of: establishing a series of ICE models to obtain a correlation model between a series of alternative species and predicted species, and selecting 1 to 5 typical alternative species; based on structural properties of pollutants of the alternative species, establishing a QSAR prediction model of the typical alternative species; substituting the QSAR prediction model of each typical alternative species into the ICE model of the predicted species to obtain the QSAR-ICE model of toxicity prediction for each typical alternative species and for setting the water quality standard; and selecting the QSAR-ICE model corresponding to the predicted species, inputting structural property parameters for predicted pollutants to obtain toxicity data of the predicted species for setting the water quality standard.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to a toxicity prediction method applied to formulate water quality standards. Background technique [0002] Water quality benchmarks are the scientific basis for formulating water quality standards and play a very important role in water environment protection. As an important part and scientific support of environmental risk management, ecological risk assessment is the key and difficult point in the current environmental management field. Provide decision support. However, at present, compared with developed countries, my country started relatively late in the study of water quality benchmarks. The main limiting factor is the relative lack of data on the toxicity of chemicals to native organisms in China, and the quality of the data is uneven. With the rapid development of modern industry, hundreds of newly synthesized chemicals are put on the market every year....

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Application Information

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IPC IPC(8): G06F19/12
CPCG16B5/00
Inventor 何佳吴丰昌冯承莲汤智赵天慧
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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