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Processing method of perlite oil absorbent for absorbing oil on water surface

A water surface oil stain and perlite technology, applied in the direction of adsorption water/sewage treatment, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of large amount of water-repellent agent and inability to fully disperse the water-repellent agent, and achieve uniform particle size full effect

Active Publication Date: 2020-10-23
广东盛达穗南环保科技有限公司
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AI Technical Summary

Problems solved by technology

The existing method of preparing hydrophobic expanded perlite is simply to mix the water repellent with expanded perlite, the amount of water repellent is large, and the water repellent cannot be fully dispersed

Method used

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Examples

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Embodiment Construction

[0030] The present invention will be further elaborated below in conjunction with specific examples.

[0031] The preparation method of the perlite oil-absorbing agent that is used to absorb water surface greasy dirt of the present invention, it comprises the following steps:

[0032] Step S1: screening raw ore, selecting components according to mass percentage including 72%-75% of silicon dioxide, 15-18% of aluminum oxide, 0.5-1% of iron oxide, 2.9%-3.5% of sodium oxide, and 0.5% of calcium oxide ~2%, 2.5~3% of potassium oxide, 0.1%~0.4% of manganese oxide, the balance of water, and the perlite ore of other components are used as raw materials, and the perlite ore of suitable particle size grade is selected as raw materials, and the particle size of raw sand is preferred. 0.2-0.5mm perlite ore;

[0033] Step S2: preheating of the ore, the perlite ore screened in step S1 that meets the processing specifications is put into the preheating furnace through the funnel for preheat...

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Abstract

The invention discloses a method for processing perlite oil absorbent used for absorbing oil dirt on water surface. The method comprises the following steps: 1) selecting the components according to the mass percentage of 72-75% of silica, 15-18% of alumina, 0.5-1% of iron oxide, 2.9-3.5% of sodium oxide, 0.5-2% of calcium oxide, 2.5-3% of potassium oxide, 0.1-0.4% of manganese oxide, and 4-6% of moisture, screening the perlite ore sands with appropriate granularity of 0.2-0.5 mm as a raw material; 2) placing the perlite ore sand in a preheating furnace for preheating; 3) placing the preheated perlite ore sand in an expansion furnace for high-temperature roasting to reach instant expansion; and S4) performing film-coating modification on the particles surface for the expanded perlite ore sand to prepare the perlite oil absorbent used for absorbing oil dirt on water surface. The perlite oil absorbent particles have the advantages of light weight and high porosity, can suspend on the water surface for long time, and have high floating oil rate on the adsorbed water surface, and the adsorbed floating oil can be effectively recovered and used.

Description

technical field [0001] The invention relates to the field of oil-absorbing agent preparation, in particular to a method for processing a perlite oil-absorbing agent for absorbing oil stains on water surfaces. Background technique [0002] In recent years, with the rapid development of industry and the rapid improvement of people's living standards, the total amount of oil extraction, processing and transportation has increased year by year, and the problem of oil pollution has become increasingly serious. Oily organic pollution has the characteristics of environmental persistence, bioaccumulation, semi-volatility, long-distance migration, and high toxicity. It is easy to cause irreversible and serious harm to human health, and it is urgent to effectively contain and solve it. In order to quickly and effectively treat the polluted oil that has leaked into the environment, minimize the environmental pollution caused by the polluted oil, and at the same time, in order to elimin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/10B01J20/28B01J20/32C02F1/28
CPCB01J20/106B01J20/28045B01J20/3204B01J20/3285C02F1/281C02F2103/007
Inventor 梁志伟梁超毅梁杰刚
Owner 广东盛达穗南环保科技有限公司
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