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Water treatment reactor

A reactor, water treatment technology

Inactive Publication Date: 2021-02-12
何雅贵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, although the materials for removing chromium ions have a high removal rate, these materials are generally particles, powders or membrane materials, which are difficult to collect after use and cannot be recycled.

Method used

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Examples

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Embodiment 1

[0024] A water treatment reactor, specifically comprising the steps of:

[0025] Modified graphene oxide is obtained through the following steps:

[0026] 1) graphene oxide is added to distilled water, then citric acid and urea are added, wherein the mass ratio of graphene oxide, citric acid and urea is 3.69:1.12:0.96, stirred at room temperature for 30min, then moved into the middle of the autoclave, in the React at 180°C for 5h, cool, filter and dry.

[0027] 2) the graphene oxide obtained in step 1) is mixed with β-cyclodextrin, wherein the mass ratio of step 1) graphene oxide and β-cyclodextrin is 1:0.31, and then added to the tube furnace, at 550 Calcined at ℃ for 3h, and obtained modified graphene oxide after cooling.

[0028] S1: Place polylactic acid and chitosan in a drying oven and dry at 50°C for 6 hours, take it out after cooling, and mix with polyadipate and dibutyl terephthalate. The mass ratio of acid and dibutyl terephthalate is 66:19:12:13, and then added t...

Embodiment 2

[0031] A water treatment reactor, specifically comprising the steps of:

[0032] Modified graphene oxide is obtained through the following steps:

[0033] 1) Graphene oxide is added to distilled water, then citric acid and urea are added, wherein the mass ratio of graphene oxide, citric acid and urea is 5.74:1.46:1.21, stirred at room temperature for 50min, then moved into the middle of the autoclave, in the React at 200°C for 9h, cool, filter and dry.

[0034] 2) the graphene oxide obtained in step 1) is mixed with β-cyclodextrin, wherein the mass ratio of step 1) graphene oxide and β-cyclodextrin is 1:0.37, and then added to the tube furnace, at 600 Calcined at ℃ for 4h, and obtained modified graphene oxide after cooling.

[0035] S1: Place polylactic acid and chitosan in a drying oven at 65°C for 10 hours, take it out after cooling, and mix with polyadipate and dibutyl terephthalate, among which polylactic acid, chitosan, and polyadipate The mass ratio of acid and dibuty...

Embodiment 3

[0038] A water treatment reactor, specifically comprising the steps of:

[0039] Modified graphene oxide is obtained through the following steps:

[0040] 1) graphene oxide is added to distilled water, then citric acid and urea are added, wherein the mass ratio of graphene oxide, citric acid and urea is 4.44:1.25:1.06, stirred at room temperature for 40min, then moved into the middle of the autoclave, in the React at 190°C for 6h, cool, filter and dry.

[0041] 2) mixing the graphene oxide and β-cyclodextrin obtained in step 1), wherein the mass ratio of step 1) graphene oxide and β-cyclodextrin is 1:0.31~0.37, and then adding it into a tube furnace, Calcined at 550°C for 3.5h, and cooled to obtain modified graphene oxide.

[0042]S1: Place polylactic acid and chitosan in a drying oven and dry at 55°C for 8 hours, take it out after cooling, and mix with polyadipate and dibutyl terephthalate. The mass ratio of acid and dibutyl terephthalate is 70:20:14:15, and then added to ...

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Abstract

The invention discloses a water treatment reactor, which is prepared by the following steps: drying polylactic acid and chitosan in a drying oven for 6-10 hours, cooling, taking out, mixing with polyadipic acid and dibutyl terephthalate, adding into a double-screw extruder, carrying out melt extrusion in the double-screw extruder, and carrying out traction granulation to obtain blended particles,wherein the temperature of the double-screw extruder is 135-160 DEG C, and the rotating speed is 160-240 rpm / min, then adding the blended particles into the single-screw wire extruder, then adding themodified graphene oxide, setting the temperature of the single-screw wire extruder at a certain temperature, then putting the extruded linear material into a mold, pressing the mold at a high temperature for a period of time, cooling and stripping from the mold. The water treatment reactor prepared in the invention has good tensile and impact performances, also has excellent chromium ion removalability, and can remove chromium ions through multiple cycles.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to a water treatment reactor. Background technique [0002] With the rapid development of modern industry, a large amount of chromium-containing wastewater is continuously discharged, which not only causes persistent pollution to the environment, but also causes a waste of resources. Water treatment methods include physical treatment and chemical treatment, among which physical methods include adsorption method, barrier method and precipitation method to exclude impurities in the water to be treated. The more common adsorption method is to use activated carbon for adsorption, and the barrier method is to filter water through the filter material, so as to effectively remove large impurities and obtain relatively clean water. [0003] Among all water environmental pollutants, chromium has been considered as one of the most toxic substances and chemical elements fo...

Claims

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Application Information

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IPC IPC(8): B01J20/26C02F1/28C02F101/22
CPCB01J20/20B01J20/24B01J20/261C02F1/288C02F2101/22
Inventor 何雅贵
Owner 何雅贵
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