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Method for testing influence of feeding amounts of graft starch flocculant on flocculation performance

A technology of grafting starch and flocculant, applied in transmittance measurement and other directions, can solve the problems of waste of water resources, unreasonable industrial structure, improper development and management of water resources, etc., and achieve the effect of simple test steps and short test time.

Inactive Publication Date: 2012-05-23
李波
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Problems solved by technology

In addition, irrational industrial structure, improper management of water resource development and low water price are also the reasons for the waste of water resources.

Method used

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  • Method for testing influence of feeding amounts of graft starch flocculant on flocculation performance
  • Method for testing influence of feeding amounts of graft starch flocculant on flocculation performance

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Embodiment

[0032] The present invention relates to a method for testing the influence of grafted starch flocculant input on flocculation performance, and its specific steps are as follows:

[0033] (a) preparing the grafted starch flocculant for subsequent use;

[0034] (b) preparing sodium-based bentonite suspension as a simulated water sample;

[0035] (c) Take simulated water samples and place them in reaction vessels respectively, and add different amounts of flocculants to the reaction vessels respectively;

[0036] (d) All the reaction vessels are vibrated back and forth, and left to settle for a period of time;

[0037] (e) Measure the light transmittance of the liquid in the reaction container respectively, and analyze the influence of the input amount on the flocculation performance through the measured light transmittance.

[0038] The transmittance formula of the liquid in the reaction vessel measured in the step (e) is:

[0039] T=I / I 0 ×100

[0040] In the formula: T is...

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Abstract

The invention discloses a method for testing influence of feeding amounts of a graft starch flocculant on flocculation performance. The method for testing the influence of feeding amounts of the graft starch flocculant on flocculation performance comprises the following steps of: preparing the graft starch flocculant; preparing a sodium-based bentonite suspension as a simulation water sample; taking the simulation water sample, respectively placing the simulation water sample in a reaction vessel and adding different amounts of the flocculants; and respectively measuring transmittances of liquids in the reaction vessel, and further analyzing the influence of the feeding amounts on the flocculation performance, and the like. According to the invention, by adding different amounts of the graft starch flocculants, the flocculation performance of the graft starch flocculant can be measured respectively, and the influence of the feeding amounts on the flocculation performance of the graft starch flocculant is further analyzed; and the method disclosed by the invention has the advantages of simple test steps and short test time and provides references for application of the graft starch flocculant to wastewater treatment.

Description

technical field [0001] The invention relates to a method for testing the influence of the input amount of grafted starch flocculant on the flocculation performance. Background technique [0002] my country is one of the countries with severe water shortage in the world, and the total amount of water resources in my country ranks fourth in the world, but according to the population statistics in 2002, the per capita water resources are 2220m 3 , only 1 / 4 of the world's per capita water resources, equivalent to 1 / 4 of the United States, 1 / 2 of Japan, and 1 / 44 of Canada, ranking 110th in the world. Moreover, the temporal and spatial distribution of water resources is extremely uneven, that is, there is more water in the south, less water in the north, more water in summer, and less water in winter, resulting in a situation of flooding in the south and drought in the north. The water resources in the south of the Yangtze River Basin account for more than 80% of the country's wa...

Claims

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Application Information

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IPC IPC(8): G01N21/59
Inventor 李波
Owner 李波
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