CN104357251A - Mechanical filter oil stain cleaning agent and preparation method thereof - Google Patents
Mechanical filter oil stain cleaning agent and preparation method thereof Download PDFInfo
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- CN104357251A CN104357251A CN201410582136.8A CN201410582136A CN104357251A CN 104357251 A CN104357251 A CN 104357251A CN 201410582136 A CN201410582136 A CN 201410582136A CN 104357251 A CN104357251 A CN 104357251A
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Abstract
The invention discloses a mechanical filter oil stain cleaning agent and a preparation method thereof, and belongs to the field of wastewater treatment. The mechanical filter oil stain cleaning agent disclosed by the invention comprises the following raw materials in percentage by mass: 10 to 202 percent of sodium hydroxide, 5 to 15 percent of ethanol, 0.1 to 0.5 percent of sodium dodecyl benzene sulfonate, 0.1 to 0.5 percent of sodium tripolyphosphate and the balance of desalinated water, wherein the concentration of Ca<2+> in the desalinated water is less than or equal to 2 mg/L. The preparation method comprises the following steps: weighing the raw materials; adding the ethanol into the desalinated water; adding the ethanol into the desalinated water; adding the sodium hydroxide, the sodium dodecyl benzene sulfonate and the sodium tripolyphosphate in sequence; uniformly stirring after a new material is added everytime so as to uniformly mix or dissolve the materials to obtain the mechanical filter oil stain cleaning agent. The mechanical filter oil stain cleaning agent disclosed by the invention has a saponification effect, and also has the effects of emulsifying, wetting, permeating, dispersing and dissolving, so that the mechanical filter oil stain cleaning agent disclosed by the invention has the advantages of high efficiency of removing intractable oil stain and high cleaning speed.
Description
Technical field
The invention belongs to field of waste water treatment, particularly a kind of mechanical filter greasy dirt detergent and preparation method thereof.
Background technology
Iron and steel enterprise is in hot rolling and casting process, and secondary cooling zone is in the condition of high temperature, and water directly contacts with steel billet with high temperature rolled piece, is subject to thermal pollution, causes water temperature sharply to raise.Steel billet is in spraying cooling, and the iron scale that granularity does not wait and dust take in water, and suspension content rising, turbidity in water are increased.The direct water coolant of milling train in the operation of rolling contain a large amount of iron scales, lubrication oil and grease, oil and fat mainly Hydraulic Elements oil cylinder leakage and overhaul seepage.Continuous casting installation for casting is in operation and maintenance, and there will be oil leakage phenomenon, the grease of leakage enters into turbid circulating water.Therefore, in hot rolling and continuous casting secondary cooling water containing iron scale, oil and other impurity and water temperature is high becomes its feature.Ferric oxide subparticle, dust, oil are in operation formation greasy filth, very easily plug nozzle, strainer, and therefore, the removal of iron scale and oil becomes the main task of secondary cooling water process.Iron and steel enterprise adds medicament polymerize aluminum chloride and polyacrylamide, grease breakdown of emulsion is condensed, make trickle iron end assemble to precipitate in second pond for larger particles simultaneously, at flocculation sediment to remove fine ferric oxide and oil, but have a small amount of oil and fine suspended substance to be present in water, only have and remove subparticle and oil in water, just can guarantee normally carrying out of subsequent production, therefore many iron and steel enterprises are all provided with filtering system in the treating processes of secondary cooling water, the water outlet of second pond is filtered, by oil-containing, the fine particulates of iron end and dust retains in the filter, after strainer uses for a long time, owing to can stick on filtrate containing greasy dirt in trapped substance, blocking filter passage, filter leaching material hardens inefficacy, affect filter effect, now need to carry out back flushing process to strainer, during flushing, the dirt sticked on filtration medium need be stripped down, to improve backwash effect.
Need the unit carrying out mechanical filter cleaning to use soda lye directly to clean at present, can not effectively the greasy dirt adhered on filtration medium be cleaned up.
Strainer oily waste degradation provided by the invention agent, can strip down effectively by the greasy dirt adhered on filter filtration media, strengthens backwash effect; Also can be used for the cleaning of smoke exhaust ventilator oil smoke.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of mechanical filter greasy dirt detergent and preparation method thereof, mechanical filter greasy dirt detergent is with ethanol and de-salted water for solvent, and sodium hydroxide is main component, then adds a certain amount of tensio-active agent.Be in strong alkali solution, add tensio-active agent and organic solvent, there is good wetting, emulsification and sur-face peeling effect.
Mechanical filter greasy dirt detergent of the present invention, comprises by mass percentage: 10 ~ 20% sodium hydroxide, 5 ~ 15% ethanol, 0.1 ~ 0.5% Sodium dodecylbenzene sulfonate; 0.1 ~ 0.5% tripoly phosphate sodium STPP, surplus is de-salted water; Wherein, Ca in de-salted water
2+concentration is less than or equal to 2 mg/litre, and sodium hydroxide and ethanol are technical grade.
The preparation method of mechanical filter greasy dirt detergent of the present invention is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage, 10 ~ 20% sodium hydroxide, 5 ~ 15% ethanol, 0.1 ~ 0.5% Sodium dodecylbenzene sulfonate, 0.1 ~ 0.5% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 8 ~ 15 minutes with 60-90 rev/min, makes it mix;
Then add sodium hydroxide, stir 15 ~ 25 minutes with 60-90 rev/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate to stir 15 ~ 20 minutes with the speed of 60-90 rev/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 ~ 20 minutes with the speed of 60-90 rev/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The using method of mechanical filter greasy dirt detergent of the present invention is the one in following two kinds of modes:
(1) by harden filtration medium or by the filtration medium that greasy dirt adheres to put into mechanical filter greasy dirt detergent soak 3 ~ 4 hours, soak and can stir simultaneously, then rinse or back flushing with water, when wash-down water or back-flushing turbidity are less than or equal to 20NTU, harden filtration medium or reached cleaning performance by the filtration medium that greasy dirt adheres to;
(2) by mechanical filter greasy dirt detergent, enter with backwashing water and harden filtration medium or the strainer of filtration medium that adhered to by greasy dirt are housed clean, when back-flushing turbidity is less than or equal to 20NTU, the filtration medium or reached cleaning performance by the filtration medium that greasy dirt adheres to of hardening in strainer.
The action principle of mechanical filter greasy dirt detergent is:
In mechanical filter greasy dirt detergent sodium hydroxide can with filter media surface and oil contaminant generation saponification, generate solubility soda soap after, split away off from filter media surface, be dissolved in water; Organic solvent in mechanical filter greasy dirt detergent can play solvency action; Surfactant in mechanical filter greasy dirt detergent, by dissemination and emulsifying effect, is converted into emulsified state by pollution substance, makes it become water-soluble substances by insoluble material, increases its solubleness, thus remove from filter media surface.
Mechanical filter greasy dirt detergent of the present invention, except having saponification, also has emulsification, wetting, infiltration, dispersion, solvency action, therefore has and remove the advantage that intractable greasy dirt efficiency is high, cleaning speed is fast.Compared with existing greasy dirt detergent, mechanical filter greasy dirt detergent of the present invention adds biodegradable organic solvent and surface active ingredient, promotes that greasy dirt is from coming off filtration medium, improves cleaning performance.
Specific embodiment
In following examples, Ca in the de-salted water adopted
2+concentration is less than or equal to 2 mg/litre, and sodium hydroxide and ethanol are technical grade.
Embodiment 1
Mechanical filter greasy dirt detergent, comprises by mass percentage: 10% sodium hydroxide, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.2% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh 10% sodium hydroxide respectively by mass percentage, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.2% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 10 minutes with 60 revs/min, makes it mix;
Then add sodium hydroxide, stir 25 minutes with 60 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 60 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 20 minutes with the speed of 70 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g quartz sand is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked and stir 3 hours, then tap water is used, recording wash-down water turbidity is 18NTU, the filtrate that hardened by quartz sand dries 2h at 105 DEG C in baking oven, again weigh quartz sand to harden filtrate, weight is 98g, and the quartz sand filtrate that hardens reaches cleaning performance.
Embodiment 2
Mechanical filter greasy dirt detergent, comprises by mass percentage: 15% sodium hydroxide, 8% ethanol, 0.5% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage, 15% sodium hydroxide, 8% ethanol, 0.5% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, surplus is de-salted water.
Step 2: joined by ethanol in de-salted water, stirs 8 minutes with 80 revs/min, makes it mix;
Then add sodium hydroxide, stir 20 minutes with 80 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 90 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 20 minutes with the speed of 60 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g quartz sand is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked 4 hours, then tap water is used, recording wash-down water turbidity is 20NTU, the filtrate that hardened by quartz sand dries 2.5h at 105 DEG C in baking oven, again weigh quartz sand to harden filtrate, weight is 97.8g, and the quartz sand filtrate that hardens reaches cleaning performance.
Embodiment 3
Mechanical filter greasy dirt detergent, comprises by mass percentage: 18% sodium hydroxide, 10% ethanol, 0.2% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 18% sodium hydroxide, 10% ethanol, 0.2% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, surplus is de-salted water; Stand-by;
Step 2: joined by ethanol in de-salted water, stirs 12 minutes with 70 revs/min, makes it mix;
Then add sodium hydroxide, stir 25 minutes with 60 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 80 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 minutes with the speed of 75 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g quartz sand is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked and stir 3 hours, then tap water is used, recording wash-down water turbidity is 19NTU, the filtrate that hardened by quartz sand dries 2h at 105 DEG C in baking oven, again weigh quartz sand to harden filtrate, weight is 98.2g, and the quartz sand filtrate that hardens reaches cleaning performance.
Embodiment 4
Mechanical filter greasy dirt detergent, comprises by mass percentage: 20% sodium hydroxide, 5% ethanol, 0.1% Sodium dodecylbenzene sulfonate, 0.4% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 20% sodium hydroxide, 5% ethanol, 0.1% Sodium dodecylbenzene sulfonate, 0.4% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 10 minutes with 80 revs/min, makes it mix;
Then add sodium hydroxide, stir 20 minutes with 80 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 16 minutes with the speed of 70 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 minutes with the speed of 70 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g quartz sand is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked and stir 3 hours, then tap water is used, recording wash-down water turbidity is 18NTU, the filtrate that hardened by quartz sand dries 1.5h at 105 DEG C in baking oven, again weigh quartz sand to harden filtrate, weight is 97.5g, and the quartz sand filtrate that hardens reaches cleaning performance.
Embodiment 5
Mechanical filter greasy dirt detergent, comprises by mass percentage: 12% sodium hydroxide, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.1% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 12% sodium hydroxide, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.1% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 15 minutes with 60 revs/min, makes it mix;
Then add sodium hydroxide, stir 25 minutes with 60 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 70 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 minutes with the speed of 80 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
100g is put into mechanical filter greasy dirt detergent prepared by the present embodiment by the quartz sand filter media that greasy dirt adheres to soak and stir 3 hours, then tap water is used, recording wash-down water turbidity is 18NTU, the filtrate that hardened by quartz sand dries 1.5h at 105 DEG C in baking oven, again weigh quartz sand to harden filtrate, weight is 98.4g, and the greasy dirt of quartz sand filter media surface adhesion reaches cleaning performance.
Embodiment 6
Mechanical filter greasy dirt detergent, comprises by mass percentage: 10% sodium hydroxide, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.2% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh 10% sodium hydroxide respectively by mass percentage, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.2% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 10 minutes with 60 revs/min, makes it mix;
Then add sodium hydroxide, stir 25 minutes with 60 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 60 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 20 minutes with the speed of 70 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g haydite is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked 4 hours, then tap water is used, recording wash-down water turbidity is 19NTU, the filtrate that hardened by haydite dries 1.5h at 105 DEG C in baking oven, again weigh haydite to harden filtrate, weight is 98g, and the haydite filtrate that hardens reaches cleaning performance.
Embodiment 7
Mechanical filter greasy dirt detergent, comprises by mass percentage: 15% sodium hydroxide, 8% ethanol, 0.5% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage, 15% sodium hydroxide, 8% ethanol, 0.5% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, surplus is de-salted water.
Step 2: joined by ethanol in de-salted water, stirs 8 minutes with 80 revs/min, makes it mix;
Then add sodium hydroxide, stir 20 minutes with 80 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 90 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 20 minutes with the speed of 60 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g haydite is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked and stir 3 hours, then tap water is used, recording wash-down water turbidity is 19NTU, the filtrate that hardened by haydite dries 2h at 105 DEG C in baking oven, again weigh haydite to harden filtrate, weight is 97.8g, and the haydite filtrate that hardens reaches cleaning performance.
Embodiment 8
Mechanical filter greasy dirt detergent, comprises by mass percentage: 18% sodium hydroxide, 10% ethanol, 0.2% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 18% sodium hydroxide, 10% ethanol, 0.2% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, surplus is de-salted water; Stand-by;
Step 2: joined by ethanol in de-salted water, stirs 12 minutes with 70 revs/min, makes it mix;
Then add sodium hydroxide, stir 25 minutes with 60 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 80 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 minutes with the speed of 75 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g haydite is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked and stir 3 hours, then tap water, recording wash-down water turbidity is 20NTU, the filtrate that hardened by haydite dries 2h at 105 DEG C in baking oven, again weigh haydite to harden filtrate, weight is 98.2g, and the haydite filtrate that hardens reaches cleaning performance.
Embodiment 9
Mechanical filter greasy dirt detergent, comprises by mass percentage: 20% sodium hydroxide, 5% ethanol, 0.1% Sodium dodecylbenzene sulfonate, 0.4% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 20% sodium hydroxide, 5% ethanol, 0.1% Sodium dodecylbenzene sulfonate, 0.4% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 10 minutes with 80 revs/min, makes it mix;
Then add sodium hydroxide, stir 20 minutes with 80 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 16 minutes with the speed of 70 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 minutes with the speed of 70 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g haydite is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked and stir 3 hours, then tap water is used, recording wash-down water turbidity is 15NTU, the filtrate that hardened by haydite dries 1.5h at 105 DEG C in baking oven, again weigh haydite to harden filtrate, weight is 97.5g, and the haydite filtrate that hardens reaches cleaning performance.
Embodiment 10
Mechanical filter greasy dirt detergent, comprises by mass percentage: 12% sodium hydroxide, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.1% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 12% sodium hydroxide, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.1% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 15 minutes with 60 revs/min, makes it mix;
Then add sodium hydroxide, stir 25 minutes with 60 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 70 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 minutes with the speed of 80 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
100g is put into mechanical filter greasy dirt detergent prepared by the present embodiment by the ceramic grain filter that greasy dirt adheres to soak and stir 3 hours, then tap water is used, recording wash-down water turbidity is 17NTU, the filtrate that hardened by haydite dries 1.5h at 105 DEG C in baking oven, again weigh haydite to harden filtrate, weight is 98.4g, and the greasy dirt of ceramic grain filter surface adhesion reaches cleaning performance.
Embodiment 11
Mechanical filter greasy dirt detergent, comprises by mass percentage: 10% sodium hydroxide, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.2% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh 10% sodium hydroxide respectively by mass percentage, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.2% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 10 minutes with 60 revs/min, makes it mix;
Then add sodium hydroxide, stir 25 minutes with 60 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 60 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 20 minutes with the speed of 70 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g nut-shell is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked 4 hours, then tap water is used, recording wash-down water turbidity is 16NTU, the filtrate that hardened by nut-shell dries 2h at 105 DEG C in baking oven, again weigh nut-shell to harden filtrate, weight is 98g, and the nut-shell filtrate that hardens reaches cleaning performance.
Embodiment 12
Mechanical filter greasy dirt detergent, comprises by mass percentage: 15% sodium hydroxide, 8% ethanol, 0.5% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage, 15% sodium hydroxide, 8% ethanol, 0.5% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, surplus is de-salted water.
Step 2: joined by ethanol in de-salted water, stirs 8 minutes with 80 revs/min, makes it mix;
Then add sodium hydroxide, stir 20 minutes with 80 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 90 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 20 minutes with the speed of 60 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g nut-shell is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked and stir 3 hours, then tap water is used, recording wash-down water turbidity is 19NTU, the filtrate that hardened by nut-shell dries 2h at 105 DEG C in baking oven, again weigh nut-shell to harden filtrate, weight is 97.8g, and the nut-shell filtrate that hardens reaches cleaning performance.
Embodiment 13
Mechanical filter greasy dirt detergent, comprises by mass percentage: 18% sodium hydroxide, 10% ethanol, 0.2% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 18% sodium hydroxide, 10% ethanol, 0.2% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, surplus is de-salted water; Stand-by;
Step 2: joined by ethanol in de-salted water, stirs 12 minutes with 70 revs/min, makes it mix;
Then add sodium hydroxide, stir 25 minutes with 60 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 80 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 minutes with the speed of 75 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g nut-shell is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked and stir 3 hours, then tap water is used, recording wash-down water turbidity is 20NTU, the filtrate that hardened by nut-shell dries 2h at 105 DEG C in baking oven, again weigh nut-shell to harden filtrate, weight is 98.2g, and the nut-shell filtrate that hardens reaches cleaning performance.
Embodiment 14
Mechanical filter greasy dirt detergent, comprises by mass percentage: 20% sodium hydroxide, 5% ethanol, 0.1% Sodium dodecylbenzene sulfonate, 0.4% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 20% sodium hydroxide, 5% ethanol, 0.1% Sodium dodecylbenzene sulfonate, 0.4% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 10 minutes with 80 revs/min, makes it mix;
Then add sodium hydroxide, stir 20 minutes with 80 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 16 minutes with the speed of 70 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 minutes with the speed of 70 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
The filtrate that hardened by 100g nut-shell is put into mechanical filter greasy dirt detergent prepared by the present embodiment and is soaked and stir 3 hours, then tap water is used, recording wash-down water turbidity is 18NTU, the filtrate that hardened by nut-shell dries 1.5h at 105 DEG C in baking oven, again weigh nut-shell to harden filtrate, weight is 97.5g, and the nut-shell filtrate that hardens reaches cleaning performance.
Embodiment 15
Mechanical filter greasy dirt detergent, comprises by mass percentage: 12% sodium hydroxide, 18% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.1% tripoly phosphate sodium STPP, and surplus is de-salted water.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 12% sodium hydroxide, 18% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.1% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 15 minutes with 60 revs/min, makes it mix;
Then add sodium hydroxide, stir 25 minutes with 60 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 70 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 minutes with the speed of 80 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
100g is put into mechanical filter greasy dirt detergent prepared by the present embodiment by the walnut shell filtering material that greasy dirt adheres to soak and stir 3 hours, then tap water is used, recording wash-down water turbidity is 18NTU, the filtrate that hardened by nut-shell dries 1.5h at 105 DEG C in baking oven, again weigh nut-shell to harden filtrate, weight is 98.4g, and the greasy dirt of walnut shell filtering material surface adhesion reaches cleaning performance.
Embodiment 16
Mechanical filter greasy dirt detergent, comprises by mass percentage: 15% adopts sodium hydroxide, 8% ethanol, 0.5% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, and surplus is de-salted water; Prepare mechanical filter greasy dirt detergent 0.5t altogether.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 15% adopts sodium hydroxide, 8% ethanol, 0.5% Sodium dodecylbenzene sulfonate, 0.3% tripoly phosphate sodium STPP, and surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 10 minutes with 60 revs/min, makes it mix;
Then add sodium hydroxide, stir 25 minutes with 60 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 18 minutes with the speed of 70 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 minutes with the speed of 75 revs/min, make it dissolve and mix, prepare mechanical filter greasy dirt detergent 0.5t altogether.
Iron and steel enterprise mechanical filter design water amount 300m
3/ h, filtrate is quartz sand, and greasy dirt blocks, seriously harden, hardening layer is very thick, very fine and close, water amount, for being almost 0, also cannot be bored with pneumatic pick, adopts the mechanical filter greasy dirt detergent 0.5t that the present embodiment is prepared, soak and stir, after 24h, using tap water back flushing, recording back-flushing turbidity is 20NTU, show that quartz sand filtration medium reaches cleaning performance, when normally producing, water amount returns to 295m
3/ h.
Embodiment 17
Mechanical filter greasy dirt detergent, comprises by mass percentage: 10% sodium hydroxide, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.2% tripoly phosphate sodium STPP, and surplus is de-salted water; Prepare mechanical filter greasy dirt detergent 20kg altogether.
The preparation method of mechanical filter greasy dirt detergent is:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage: 10% sodium hydroxide, 15% ethanol, 0.3% Sodium dodecylbenzene sulfonate, 0.2% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 8 minutes with 80 revs/min, makes it mix;
Then add sodium hydroxide, stir 20 minutes with 75 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate and stir 15 minutes with the speed of 70 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 18 minutes with the speed of 60 revs/min, make it dissolve and mix, prepare mechanical filter greasy dirt detergent 20kg altogether.
Iron and steel enterprise mechanical filter design water amount 270m
3/ h, filtrate is haydite, and in normal productive process, due to greasy dirt blocking, filtration capacity drops to 180m
3/ h, Production requirement can not be met, adopt the mechanical filter greasy dirt detergent 20kg that the present embodiment is prepared, enter strainer by 20kg/h with recoil tap water to clean, after 1h, when back-flushing turbidity equals 20NTU, show that ceramic filtration medium reaches cleaning performance, during normal production, water amount returns to 268m
3/ h.
Claims (4)
1. a mechanical filter greasy dirt detergent, is characterized in that, comprises by mass percentage: 10 ~ 20% sodium hydroxide, 5 ~ 15% ethanol, 0.1 ~ 0.5% Sodium dodecylbenzene sulfonate; 0.1 ~ 0.5% tripoly phosphate sodium STPP, surplus is de-salted water.
2. mechanical filter greasy dirt detergent as claimed in claim 1, it is characterized in that, in de-salted water, Ca2+ concentration is less than or equal to 2 mg/litre.
3. mechanical filter greasy dirt detergent as claimed in claim 1, it is characterized in that, described sodium hydroxide and ethanol are technical grade.
4. the preparation method of mechanical filter greasy dirt detergent as claimed in claim 1, is characterized in that, comprise the steps:
Step 1: take desired raw material by mechanical filter greasy dirt detergent proportioning, namely weigh respectively by mass percentage, 10 ~ 20% sodium hydroxide, 5 ~ 15% ethanol, 0.1 ~ 0.5% Sodium dodecylbenzene sulfonate, 0.1 ~ 0.5% tripoly phosphate sodium STPP, surplus is de-salted water, stand-by;
Step 2: joined by ethanol in de-salted water, stirs 8 ~ 15 minutes with 60 ~ 90 revs/min, makes it mix;
Then add sodium hydroxide, stir 15 ~ 25 minutes with 60 ~ 90 revs/min, make it dissolve;
Add Sodium dodecylbenzene sulfonate to stir 15 ~ 20 minutes with the speed of 60 ~ 90 revs/min, make it dissolve;
Add tripoly phosphate sodium STPP again, stir 15 ~ 20 minutes with the speed of 60 ~ 90 revs/min, make it dissolve and mix, obtain mechanical filter greasy dirt detergent.
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| CN201410582136.8A CN104357251A (en) | 2014-10-27 | 2014-10-27 | Mechanical filter oil stain cleaning agent and preparation method thereof |
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| CN201410582136.8A CN104357251A (en) | 2014-10-27 | 2014-10-27 | Mechanical filter oil stain cleaning agent and preparation method thereof |
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| CN105880262A (en) * | 2016-05-31 | 2016-08-24 | 张玉茹 | Degreasing agent used for treatment of household garbage and degreasing method thereof |
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Application publication date: 20150218 |