Method for preparing sewage treatment agent

Abstract

A method for preparing a sewage treatment agent uses the following raw materials: distilled water, allyl polyethylene glycol monoether, potassium chromate, butyl acrylate, aluminum sulfate, clay, EDTA, anionic polyacrylamide, concentrated sulfuric acid, tannin, bamboo charcoal, anhydrous zinc chloride, melamine, acrylamide and fly ash. The sewage treatment agent can inhibit coking and fouling, andhas a good scale inhibition effect on oilfield sewage, and the scale inhibition rate reaches 99.2-99.8% when 10 mg / L of the sewage treatment agent is added at 80 DEG C; the sewage treatment agent makes 250-300 mg / L of calcium ions in freshwater stably exist, and can prevent the crystal growth of scale formation salts and the agglomeration deposition of particles; the tin brass corrosion rate at 70 DEG C is 0.0005-0.0015 mm / a, and is far better than the international standard being 0.005 mm / a; and the application period reaches up to 9-11 d, and the carbon steel corrosion rate is 0.001-0.002 [mu]m.a<-1>.

Description

technical field

[0001] The invention relates to an environment-friendly material, in particular to a preparation method of a sewage treatment agent. Background technique

[0002] Sewage treatment chemicals and sewage discharge lead to serious pollution of water resources and living environment. In order to prevent the deterioration of this phenomenon, the water treatment industry has developed a variety of large-scale water treatment equipment to be used in the treatment of people's production and domestic sewage. The sewage discharged by many enterprises contains a large amount of refractory substances that cannot be effectively removed by a single water treatment equipment, so in many cases, it is necessary to reasonably add sewage treatment chemicals according to the particularity of the sewage water quality, so that the treated sewage meets the national discharge standards .

[0003] With the continuous improvement of user requirements, the research and development of w...

Examples

Embodiment 1

[0024] The first step: weighing according to the ratio of parts by mass: 100 parts of distilled water, 20 parts of allyl polyethylene glycol monoether, 1 part of potassium chromate, 14 parts of butyl acrylate, 6 parts of aluminum sulfate, 6 parts of clay, 1 part of EDTA, 0.1 part of anionic polyacrylamide, 15 parts of concentrated sulfuric acid, 1 part of tannin, 4 parts of bamboo charcoal, 4 parts of anhydrous zinc chloride, 1.2 parts of melamine, 1 part of acrylamide, and 2 parts of fly ash.

[0025] Step 2: Put distilled water, allyl polyethylene glycol monoether, potassium chromate, aluminum sulfate and clay into a reaction kettle equipped with a thermometer, heating device, condenser tube and stirring device, raise the temperature to 40°C, and stir for 40 minutes , stirring speed 90 r / min.

[0026] Step 3: Add butyl acrylate drop by drop with a dropping funnel, raise the temperature to 80°C, add EDTA, anionic polyacrylamide, tannin, bamboo charcoal, anhydrous zinc chlorid...

Embodiment 2

[0030] The first step: weighing according to the ratio of parts by mass: 100 parts of distilled water, 40 parts of allyl polyethylene glycol monoether, 5 parts of potassium chromate, 18 parts of butyl acrylate, 10 parts of aluminum sulfate, 10 parts of clay, 5 parts of EDTA, 0.5 parts of anionic polyacrylamide, 35 parts of concentrated sulfuric acid, 5 parts of tannin, 8 parts of bamboo charcoal, 8 parts of anhydrous zinc chloride, 1.8 parts of melamine, 20 parts of acrylamide, and 6 parts of fly ash.

[0031]Step 2: Put distilled water, allyl polyethylene glycol monoether, potassium chromate, aluminum sulfate and clay into a reaction kettle equipped with a thermometer, heating device, condenser tube and stirring device, raise the temperature to 60°C, and stir for 60 minutes , stirring speed 110 r / min.

[0032] Step 3: Add butyl acrylate drop by drop with a dropping funnel, raise the temperature to 100°C, add EDTA, anionic polyacrylamide, tannin, bamboo charcoal, anhydrous zin...

Embodiment 3

[0036] The first step: weighing according to the ratio of parts by mass: 100 parts of distilled water, 30 parts of allyl polyethylene glycol monoether, 3 parts of potassium chromate, 16 parts of butyl acrylate, 8 parts of aluminum sulfate, 8 parts of clay, 3 parts of EDTA, 0.3 parts of anionic polyacrylamide, 25 parts of concentrated sulfuric acid, 3 parts of tannin, 6 parts of bamboo charcoal, 6 parts of anhydrous zinc chloride, 1.5 parts of melamine, 10 parts of acrylamide, and 4 parts of fly ash.

[0037] Step 2: Put distilled water, allyl polyethylene glycol monoether, potassium chromate, aluminum sulfate and clay into a reaction kettle equipped with a thermometer, heating device, condenser tube and stirring device, raise the temperature to 50°C, and stir for 50 minutes , stirring speed 100 r / min.

[0038] Step 3: Add butyl acrylate drop by drop with a dropping funnel, raise the temperature to 90°C, add EDTA, anionic polyacrylamide, tannin, bamboo charcoal, anhydrous zinc ...

technical field

[0001] The invention relates to an environment-friendly material, in particular to a preparation method of a sewage treatment agent. Background technique

[0002] Sewage treatment chemicals and sewage discharge lead to serious pollution of water resources and living environment. In order to prevent the deterioration of this phenomenon, the water treatment industry has developed a variety of large-scale water treatment equipment to be used in the treatment of people's production and domestic sewage. The sewage discharged by many enterprises contains a large amount of refractory substances that cannot be effectively removed by a single water treatment equipment, so in many cases, it is necessary to reasonably add sewage treatment chemicals according to the particularity of the sewage water quality, so that the treated sewage meets the national discharge standards .

[0003] With the continuous improvement of user requirements, the research and development of w...

Examples

Embodiment 1

[0024] The first step: weighing according to the ratio of parts by mass: 100 parts of distilled water, 20 parts of allyl polyethylene glycol monoether, 1 part of potassium chromate, 14 parts of butyl acrylate, 6 parts of aluminum sulfate, 6 parts of clay, 1 part of EDTA, 0.1 part of anionic polyacrylamide, 15 parts of concentrated sulfuric acid, 1 part of tannin, 4 parts of bamboo charcoal, 4 parts of anhydrous zinc chloride, 1.2 parts of melamine, 1 part of acrylamide, and 2 parts of fly ash.

[0025] Step 2: Put distilled water, allyl polyethylene glycol monoether, potassium chromate, aluminum sulfate and clay into a reaction kettle equipped with a thermometer, heating device, condenser tube and stirring device, raise the temperature to 40°C, and stir for 40 minutes , stirring speed 90 r / min.

[0026] Step 3: Add butyl acrylate drop by drop with a dropping funnel, raise the temperature to 80°C, add EDTA, anionic polyacrylamide, tannin, bamboo charcoal, anhydrous zinc chlorid...

Embodiment 2

[0030] The first step: weighing according to the ratio of parts by mass: 100 parts of distilled water, 40 parts of allyl polyethylene glycol monoether, 5 parts of potassium chromate, 18 parts of butyl acrylate, 10 parts of aluminum sulfate, 10 parts of clay, 5 parts of EDTA, 0.5 parts of anionic polyacrylamide, 35 parts of concentrated sulfuric acid, 5 parts of tannin, 8 parts of bamboo charcoal, 8 parts of anhydrous zinc chloride, 1.8 parts of melamine, 20 parts of acrylamide, and 6 parts of fly ash.

[0031]Step 2: Put distilled water, allyl polyethylene glycol monoether, potassium chromate, aluminum sulfate and clay into a reaction kettle equipped with a thermometer, heating device, condenser tube and stirring device, raise the temperature to 60°C, and stir for 60 minutes , stirring speed 110 r / min.

[0032] Step 3: Add butyl acrylate drop by drop with a dropping funnel, raise the temperature to 100°C, add EDTA, anionic polyacrylamide, tannin, bamboo charcoal, anhydrous zin...

Embodiment 3

[0036] The first step: weighing according to the ratio of parts by mass: 100 parts of distilled water, 30 parts of allyl polyethylene glycol monoether, 3 parts of potassium chromate, 16 parts of butyl acrylate, 8 parts of aluminum sulfate, 8 parts of clay, 3 parts of EDTA, 0.3 parts of anionic polyacrylamide, 25 parts of concentrated sulfuric acid, 3 parts of tannin, 6 parts of bamboo charcoal, 6 parts of anhydrous zinc chloride, 1.5 parts of melamine, 10 parts of acrylamide, and 4 parts of fly ash.

[0037] Step 2: Put distilled water, allyl polyethylene glycol monoether, potassium chromate, aluminum sulfate and clay into a reaction kettle equipped with a thermometer, heating device, condenser tube and stirring device, raise the temperature to 50°C, and stir for 50 minutes , stirring speed 100 r / min.

[0038] Step 3: Add butyl acrylate drop by drop with a dropping funnel, raise the temperature to 90°C, add EDTA, anionic polyacrylamide, tannin, bamboo charcoal, anhydrous zinc ...