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Preparation method for renewable fibre ball filter material for oil-containing sewage treatment

A technology for regenerated fiber and oily sewage, which is applied in water/sewage treatment, adsorption water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problems of high risk factor, complicated treatment process, unfavorable large-scale production, etc. Achieve the effects of simple operation in the preparation process, cheap and easy-to-obtain raw materials, and good application prospects

Inactive Publication Date: 2019-03-12
TIANJIN VOCATIONAL INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The above methods all use natural products to modify the fiber filaments, the processing process is complicated, and some methods even use 100MPa ultra-high pressure to process raw materials
These methods are not conducive to large-scale production, and the risk factor is high

Method used

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  • Preparation method for renewable fibre ball filter material for oil-containing sewage treatment
  • Preparation method for renewable fibre ball filter material for oil-containing sewage treatment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A method for preparing a renewable fiber ball filter material for oily sewage treatment, the innovation of which is to include the following steps:

[0032] 1) Activation: Take 10 kg of fiber ball raw materials, such as figure 1 As shown in a), place it in a constant temperature box for constant temperature activation at 90°C;

[0033] 2) Reaction: Take out the activated fiber balls and place them in a 1000L stainless steel high-pressure reactor, and feed ammonia gas with a temperature of 120°C and a flow rate of 1kg / min and a pressure of 0.2MPa and a flow rate of 1kg / min into the stainless steel high-pressure reactor React with water vapor, control the reaction temperature in the stainless steel container to 120°C, and end the reaction after 20 minutes;

[0034] 3) Washing: Take out the fiber balls and immerse them in ionized water, stir and wash them at a low speed of 800-1000r / min for 30min, and then dry them by centrifugation;

[0035] 4) Drying: put the dried fib...

Embodiment 2

[0039] A method for preparing a renewable fiber ball filter material for oily sewage treatment, the innovation of which is to include the following steps:

[0040] 1) Activation: Take 10 kg of fiber ball raw material and place it in a constant temperature box for constant temperature activation at 110°C;

[0041] 2) Reaction: Take out the activated fiber balls and place them in a 500L stainless steel high-pressure reactor, and feed ammonia gas with a temperature of 110°C and a flow rate of 0.1kg / min and a pressure of 0.15MPa and a flow rate of 0.01kg into the stainless steel high-pressure reactor / min of water vapor to react, control the reaction temperature in the stainless steel container to 130°C, and end the reaction after 60 minutes;

[0042] 3) Washing: Take out the fiber balls and immerse them in ionized water, stir and wash them at a low speed of 800-1000r / min for 30min, and then dry them by centrifugation;

[0043] 4) Drying: Put the dried fiber balls in a drying box...

Embodiment 3

[0046] A method for preparing a renewable fiber ball filter material for oily sewage treatment, the innovation of which is to include the following steps:

[0047] 1) Activation: Take 10 kg of fiber ball raw material and place it in a constant temperature box for constant temperature activation at 120°C;

[0048] 2) Reaction: Take out the activated fiber balls and place them in a 500L stainless steel high-pressure reactor, and feed ammonia gas with a temperature of 150°C and a flow rate of 0.1kg / min and a pressure of 0.5MPa and a flow rate of 0.1kg into the stainless steel high-pressure reactor / min of water vapor to react, control the reaction temperature in the stainless steel container to 150°C, and end the reaction after 10 minutes;

[0049] 3) Washing: Take out the fiber balls and immerse them in ionized water, stir and wash them at a low speed of 800-1000r / min for 30min, and then dry them by centrifugation;

[0050] 4) Drying: Put the dried fiber balls in a drying box, ...

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Abstract

The invention relates to a preparation method for a renewable fibre ball filter material for oil-containing sewage treatment. A common fibre ball filter material is subjected to surface modification under the condition of high-pressure steam by adopting ammonia gas as a modifying agent; and the adsorption property of the surface of a fibre ball is changed by changing the microstructure of the surface of a fibre filament. The preparation method is scientific and reasonable in design; the modified fibre ball filter material has good regenerating capacity when oil-containing sewage is treated; after oil is absorbed, the oil on the surface can be desorbed by back washing by using clean water; and the preparation method has the characteristics that the process is simple, raw materials are easily obtained, and a modifying effect is good.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, relates to a filter material for industrial oily sewage treatment, in particular to a preparation method of a regenerated fiber ball filter material for oily sewage treatment. Background technique [0002] In recent years, as environmental protection requirements have become higher and higher, my country's industrial enterprises have paid more and more attention to water discharge, especially in oil refining, oil exploration, iron and steel metallurgy and other industries. The high oil content of sewage and the difficulty of treatment have become constraints for the development of enterprises. problem. In the past, enterprises mostly used quartz sand or anthracite as the oil-cutting filter material, but their oil-filtering ability is poor, easy to block, and the filling workload is heavy. Moreover, the oil-containing filter material is difficult to handle and easily causes secondary poll...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D39/04C02F1/00C02F1/28C02F1/40
CPCB01D39/04B01D2239/04B01D2239/10B01D2239/1208C02F1/001C02F1/285C02F1/40C02F2303/16
Inventor 张洪源尚亚平吴广恒李璐周立山
Owner TIANJIN VOCATIONAL INST
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