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Heavy metal absorbent containing pectin and preparation method of absorbent

A heavy metal and adsorbent technology, applied in the field of environmental governance, can solve problems such as high operating costs, secondary pollution, and high energy consumption, and achieve the effects of strong practicability, strong adsorption capacity, and large adsorption capacity

Inactive Publication Date: 2016-04-06
安徽省中日农业环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional heavy metal wastewater treatment methods mainly include chemical precipitation method, ion exchange method, membrane separation method, etc. These methods usually have problems such as large investment, high energy consumption, high operating cost, and easy to produce secondary pollution, so their application is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: the preparation of pectin heavy metal adsorbent

[0020] A kind of pectin heavy metal adsorbent is prepared from the component raw materials of following weight (kg):

[0021] Pectin 15, Gelatin 8, Sorbitol 1.5, Tartaric Acid 1.5, Polyvinyl Alcohol 8, Sawdust Powder 4, Corn Starch 4, Sodium Lauryl Sulfate 0.15, Polysorbate-800.8, Additive 7, Water 90;

[0022] Wherein, the auxiliary agent is made of the following raw materials in parts by weight:

[0023] Fresh tea leaves 25, fresh pine needles 4, fresh mulberry leaves 4, citric acid 3, oxalic acid 0.8, sodium citrate 1.5, sodium lauroyl sarcosinate 0.8, water 90;

[0024] The preparation method of auxiliary agent is:

[0025] Clean and crush fresh tea leaves, fresh pine needles and fresh mulberry leaves, mix them with sodium citrate, and grind them evenly, first add citric acid, oxalic acid and water and stir for 6 hours at 90°C and 400r / min, then add sodium lauroyl sarcosinate 60 ℃, 1000r / min stirring...

Embodiment 2

[0029] Embodiment 2: to the adsorption effect of heavy metal nickel

[0030] Take by weighing sorbent material 0.5g among the embodiment 1, join 1L heavy metal nickel ion concentration in the water of 0.1g / L, absorb 1h at room temperature, detect the concentration of remaining nickel ion in the solution, record adsorption capacity and be 96.4mg / L g.

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Abstract

The invention discloses a heavy metal absorbent containing pectin. The absorbent is characterized by being prepared from raw materials in parts by weight as follows: 10-20 parts of the pectin, 5-10 parts of gelatin, 1-2 parts of sorbitol, 1-2 parts of tartaric acid, 5-10 parts of polyvinyl alcohol, 3-5 parts of sawdust powder, 3-5 parts of corn starch, 0.1-0.2 parts of lauryl sodium sulfate, 0.5-1 parts of polysorbate-80, 6-8 parts of an aid and 80-100 parts of water. The heavy metal absorbent has the characteristics of capability of combining heavy metals, high adsorption ability and large adsorption capacity, is safe, environment-friendly, non-toxic, harmless and high in practicability, and does not cause secondary pollution to the environment in the wastewater treatment process.

Description

technical field [0001] The invention relates to the field of environmental treatment, in particular to a pectin heavy metal adsorbent and a preparation method thereof. Background technique [0002] With the development of the global economy and society, environmental pollution is becoming more and more serious. Industrial wastewater, as the main source of environmental pollution, has been a major problem that has plagued countries all over the world for a long time. Heavy metal ions in industrial wastewater have strong carcinogenic, teratogenic, and mutagenic effects, which pose a serious threat to human health and the ecological environment. Therefore, it is very important to strictly control the pollution of heavy metal wastewater. [0003] Traditional heavy metal wastewater treatment methods mainly include chemical precipitation, ion exchange, membrane separation, etc. These methods usually have problems such as large investment, high energy consumption, high operating co...

Claims

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Application Information

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IPC IPC(8): B01J20/26B01J20/30C02F1/28C02F1/62
Inventor 章云张贝尼
Owner 安徽省中日农业环保科技有限公司
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