Modified gelatin dust suppressant and preparation method thereof
A technology of dust suppressant and gelatin, which is applied in the field of new dust suppressant and its preparation, can solve the problems of difficult plant growth, soil pollution, soil compaction, etc., and achieve the effect of suppressing flying dust and suppressing dust
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example 1
[0021] Example 1: For places such as parks or courtyards with few motor vehicles, and muddy roads.
[0022] A kind of dust suppressant is prepared by the following reaction conditions by the following raw material components in weight percent:
[0023] Industrial gelatin: 2%-10%;
[0024] Water: 60-99%;
[0025] Inorganic acid: 2%-10%;
[0026] Cross-linking agent: 0%-10%.
[0027] Add tap water to the constant temperature water bath in advance at room temperature, raise the temperature to 40°C, then add 0.2kg of water, 0.01kg of gelatin, 0.74kg of acid, and nitric acid into the three-necked bottle respectively, stir until completely dissolved and mixed evenly, and degrade at a constant temperature of 40°C for 8 hours , and then removed, cooled to room temperature and neutralized to neutral with sodium hydroxide. The viscosity of the prepared dust suppressant solution is about 1mp a .s, pH 7.3. Formaldehyde can also be added appropriately according to different water ret...
example 2
[0030] Example 2: For highways and streets with many motor vehicles.
[0031] A kind of dust suppressant is prepared by the following reaction conditions by the following raw material components in weight percent:
[0032] Industrial gelatin: 2%-10%;
[0033] Water: 60-99%;
[0034] Inorganic acid: 2%-10%;
[0035] Surfactant: 0%-10%;
[0036] Cross-linking agent: 0%-10%.
[0037] Take 200ml of 1mol\L hydrochloric acid solution and 10kg of gelatin just prepared. Stir until completely dissolved and mixed evenly, degrade at a constant temperature of 40°C for 8 hours, then remove, cool to room temperature and titrate with sodium hydroxide to neutralize. The viscosity of the prepared dust suppressant solution is about 1mp a .s, pH 7.2.
[0038] Because the oil content and electrostatic properties of the dust in different areas are very different from those in ordinary parks and gardens, the dust suppressant can be simply modified to meet different needs. Take the dust for ...
Embodiment 3
[0039] Implementation example 3: for urban civil engineering, stockyards, and mining projects.
[0040] A kind of dust suppressant is prepared by the following reaction conditions by the following raw material components in weight percent:
[0041] Water: 60-99%;
[0042] Inorganic acid: 2%-10%;
[0043] Sodium hydroxide: 0.01%-5%;
[0044] Emulsifier: 0-5%.
[0045] Because these places are easy to raise dust, and the exposed surface has a greater requirement for the consolidation effect of the dust suppressant, the following dust suppressant can be configured:
[0046] Take 200ml of 1mol\L nitric acid solution and 0.01kg of gelatin and stir until completely dissolved and mixed evenly, degrade at a constant temperature of 40°C for 9 hours, then remove, cool to room temperature and titrate with sodium hydroxide to neutralize. Add 0.002 kg of sorbic acid fatty acid esters as required, or biodegradable emulsifiers such as phospholipids and glycolipids, to increase the film-f...
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