Preparation method of printing and dyeing wastewater treatment agent
A technology for printing and dyeing wastewater and treatment agent, which is used in textile industry wastewater treatment, biological water/sewage treatment, adsorbed water/sewage treatment, etc. Easy to separate effects
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[0017] A preparation method of a printing and dyeing wastewater treatment agent, the preparation method comprises the following steps:
[0018] (1) Put the shells and slag into the container for pulverization to obtain the pulverized material. Add the sodium hydride solution with 3~4% of the pulverized material to the pulverized material and soak it for 40~48h. At the temperature of 40~60℃, use ultrasonic waves Carry out extraction, extract for 24~40min, filter, collect filter residue, and dry the filter residue at a temperature of 50~60°C to obtain a dried product;
[0019] (2) According to the mass ratio of 7~8:1~2, ball mill the dried product and the surfactant to obtain the ball mill. In parts by weight, take 10~15 parts of water, 7~8 parts of the ball mill, 3 ~4 parts of isopropyl trititanate and 1-2 parts of furfural are put into the container for heating and stirring, the heating temperature is 80-90 ℃, the time is 1-2 h, and the stirring speed is 250-300 rpm. ,spare; ...
example 1
[0023] The surfactant was sodium lauryl sulfate.
[0024] A preparation method of a printing and dyeing wastewater treatment agent, the preparation method comprises the following steps:
[0025] (1) Put the shells and slag into a container and pulverize to obtain pulverized products. Add sodium hydride solution with 3% of the pulverized product mass to the pulverized products for 40 hours, and extract them with ultrasonic waves at a temperature of 40 °C for 24 minutes. Filter, collect the filter residue, and dry the filter residue at a temperature of 50 °C to obtain a dried product;
[0026] (2) According to the mass ratio of 7:1, the dried product and the surfactant are ball-milled to obtain the ball-milled product. In parts by weight, take 10 parts of water, 7 parts of the ball-milled product, and 3 parts of isopropyl trititanate. , 1 part of furfural is put into a container for heating and stirring, the heating temperature is 80 ° C, the time is 1 h, and the stirring speed...
example 2
[0030] The surfactant is sodium stearate.
[0031] A preparation method of a printing and dyeing wastewater treatment agent, the preparation method comprises the following steps:
[0032] (1) Put the shells and slag into the container and pulverize to obtain the pulverized material. Add the 3.5% sodium hydride solution of the pulverized material to the pulverized material and soak it for 42 hours. At a temperature of 45 °C, use ultrasonic waves to extract, and extract for 30 minutes. Filter, collect the filter residue, and dry the filter residue at a temperature of 55 ° C to obtain a dried product;
[0033] (2) According to the mass ratio of 7:1, the dried product and the surfactant are ball-milled to obtain the ball-milled product. In parts by weight, take 10 parts of water, 7 parts of the ball-milled product, and 3.5 parts of isopropyl trititanate. , 1.5 parts of furfural are put into the container for heating and stirring, the heating temperature is 85 ° C, the time is 1.5...
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