Treatment agent for petrochemical wastewater and preparation method of treatment agent

A technology for treating chemicals and petrochemical sewage, applied in water/sewage treatment, water/sludge/sewage treatment, sterilization/microdynamic water/sewage treatment, etc. Corrosion of equipment and pipelines, etc., to achieve the effect of long sterilization time, good sterilization effect and low production cost

Inactive Publication Date: 2017-05-17
宁波华九文化传媒有限公司
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AI-Extracted Technical Summary

Problems solved by technology

The composition of oilfield wastewater is complex, not only containing salts, heavy metals, suspended solids, solid particles and other components, oilfield wastewater also contains a large number of bacteria such as sulfate-reducing bacteria, iron bacteria and saprophytic bacteria, which cause corro...
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Abstract

The invention discloses a treatment agent for petrochemical wastewater and a preparation method of the treatment agent. The treatment agent is prepared from the following raw materials in parts by weight: 2-10 parts of methyl isothiazolinone, 4-8 parts of sucrose, 6-12 parts of melamine, 10-16 parts of bentonite, 3-8 parts of mirabilite, 2-7 parts of aluminum sulfate, 2-5 parts of sodium silicate, 10-20 parts of lithopone, 5-12 parts of rhubarb, radix scutellariae and cortex phellodendri powder, 1.5-4 parts of a rhizoma coptidis liquid, 3-9 parts of caulis trachelospermi and 0.5-3 parts of gentiana apiata. The invention further discloses the preparation method of the treatment agent. The treatment agent has the advantages of wide raw material source, simple preparation process and low production cost, and is suitable for large-scale industrial production; the components of the treatment agent draw on strong points and make up for weak points mutually and play a synergistic role, the growth environment of bacteria is destroyed, the sterilization effect is enhanced, a good sterilization effect can be realized with only a small dose, the sterilization time is long, and the use effect is good.

Application Domain

BiocideDisinfectants +3

Technology Topic

Aluminium saltsSodium silicate +11

Image

  • Treatment agent for petrochemical wastewater and preparation method of treatment agent

Examples

  • Experimental program(4)
  • Comparison scheme(1)
  • Effect test(1)

Example Embodiment

[0016] Example 1
[0017] A petrochemical sewage treatment agent and its preparation method, which consist of the following raw materials in parts by weight: 2 parts of methyl isothiazolinone, 4 parts of sucrose, 6 parts of melamine, 10 parts of bentonite, 3 parts of Glauber's salt, 2 parts of aluminum sulfate , 2 parts of sodium silicate, 10 parts of Lithopone powder, 5 parts of Sanhuang powder, 1.5 parts of Coptis chinensis solution, 3 parts of Trachelospermi Caulis and 0.5 parts of Cornflower. Sucrose is chitosan dissolved in 30% ethanol solution After soaking for 3 hours at room temperature, filter and wash with deionized water, add 26% sodium hydroxide solution, stir well and freeze for 5 hours, then filter and wash with deionized water at 50 It can be obtained by drying in degrees Celsius.
[0018] The specific steps of the preparation method of the petrochemical sewage treatment agent and the preparation method thereof are as follows:
[0019] Step 1: Decoction Trachelospermi Caulis and Cornflower Herbs at 100 degrees Celsius for 3 times for 3 hours each time and filtering, and combine the decoction liquid of each time to obtain Trachelospermi Caulis decoction liquid and Cornflower Herbs decoction liquid;
[0020] Step 2: Put methylisothiazolinone, sucrose, bentonite, Glauber's salt, lithopone powder and three yellow powder into a ball mill and mix with ball milling beads, ball mill for 1.5 hours and pass through a 60 mesh sieve to obtain a first mixture;
[0021] Step 3: Add the first mixture, melamine, aluminum sulfate and sodium silicate to 6 times the total weight of deionized water and stir. Add the coptis solution in 3 equal portions while stirring. After adding the coptis solution completely, the temperature will be at 43 degrees Celsius. Stir at 120 rpm for 50 minutes and let stand for 1.5 hours to obtain the first mixed solution;
[0022] Step 4: Mix the first mixed solution, Trachelospermi Caulis decocting liquid and Cornflower decocting liquid and stir evenly to obtain the finished product.

Example Embodiment

[0023] Example 2
[0024] A chemical for petrochemical sewage treatment and its preparation method, consisting of the following raw materials in parts by weight: 5 parts of methyl isothiazolinone, 6 parts of sucrose, 8 parts of melamine, 12 parts of bentonite, 5 parts of Glauber's salt, 4 parts of aluminum sulfate , 3 parts of sodium silicate, 13 parts of Lithopone powder, 7 parts of Sanhuang powder, 2.5 parts of Coptis chinensis solution, 5 parts of Trachelospermi Caulis and 1.5 parts of Cornflower. Sucrose is chitosan dissolved in 38% ethanol solution After being soaked at room temperature for 4 hours, filter and wash with deionized water, add to 32% sodium hydroxide solution, stir well and freeze for 6 hours, then filter and wash with deionized water at 57 It can be obtained by drying in degrees Celsius.
[0025] The specific steps of the preparation method of the petrochemical sewage treatment agent and the preparation method thereof are as follows:
[0026] Step 1: Decoction Trachelospermi Caulis and Cornflower Herbs 4 times at 108 degrees Celsius for 2 hours each time and filtering, and combine the decoction of Trachelospermi Caulis and Cornflower Caulis decoction to obtain the decoction liquid of Trachelospermi Caulis and Cornflower Herb;
[0027] Step 2: Put methyl isothiazolinone, sucrose, bentonite, glauber's salt, lithopone powder and three yellow powder into a ball mill and mix with ball milling beads, and mix methyl isothiazolinone, sucrose, bentonite, mirabilite, lithopone powder and three yellow powder The mass ratio to the ball milled beads is 1:6, ball milled for 2 hours and passed through a 75 mesh sieve to obtain the first mixture;
[0028] Step 3: Add the first mixture, melamine, aluminum sulfate and sodium silicate to 7 times the total weight of deionized water and stir. Add the coptis solution in two equal portions while stirring. After adding the coptis solution completely, the temperature will be at 45 degrees Celsius. Stir at a rotation speed of 180 rpm for 70 minutes, and let stand for 2 hours to obtain a first mixed solution;
[0029] Step 4: Mix the first mixed solution, Trachelospermi Caulis decocting liquid and Cornflower decocting liquid and stir evenly to obtain the finished product.

Example Embodiment

[0030] Example 3
[0031] A chemical for petrochemical sewage treatment and its preparation method, consisting of the following raw materials in parts by weight: 8 parts of methyl isothiazolinone, 7 parts of sucrose, 10 parts of melamine, 15 parts of bentonite, 7 parts of Glauber's salt, 5.5 parts of aluminum sulfate , 4 parts of sodium silicate, 16 parts of Lithopone powder, 10 parts of Sanhuang powder, 3 parts of Coptis chinensis solution, 7 parts of Trachelospermi Caulis and 2 parts of Cornflower. Sucrose is chitosan dissolved in 38% ethanol solution. After soaking for 4 hours at room temperature, filter and wash with deionized water, then add to 32% sodium hydroxide solution, stir well and freeze for 7 hours, then filter and wash with deionized water at 58 It can be obtained by drying in degrees Celsius.
[0032] The specific steps of the preparation method of the petrochemical sewage treatment agent and the preparation method thereof are as follows:
[0033] Step 1: Decoction Trachelospermi Caulis and Cornflower Herbs 4 times at 125 degrees Celsius for 2.5 hours each time and filtering, combining each decoction to obtain Trachelospermi Caulis Decoction Liquid and Cornflower Herbs Decoction;
[0034] Step 2: Put the methyl isothiazolinone, sucrose, bentonite, Glauber's salt, lithopone powder and three yellow powder into a ball mill and mix with ball milling beads, ball mill for 3 hours and pass through an 80 mesh sieve to obtain the first mixture;
[0035] Step 3: Add the first mixture, melamine, aluminum sulfate and sodium silicate to 8 times the total weight of deionized water and stir. While stirring, add the Coptis chinensis solution in 4 equal portions. After adding the Coptis chinensis solution completely, keep it at 48 degrees Celsius. Stir at 200 rpm for 80 minutes and let stand for 3 hours to obtain the first mixed solution;
[0036] Step 4: Mix the first mixed solution, Trachelospermi Caulis decocting liquid and Cornflower decocting liquid and stir evenly to obtain the finished product.

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