1019results about How to "Good degreasing effect" patented technology

The invention relates decontaminant, comprising surface active agent and lotion and auxiliary agent. The decontaminant can be used for metal, cloth, ceramics, plastic, machinery, petroleum, transport, and other fields. The decontaminant is innocuous, nonirritant, and non-corrosiveness.

The invention discloses a neutral oil removal rust remover, which is mainly prepared from deionized water and the following components by mass fraction: 4-8% of physical dispersing agent, 8-10% of chemical chelating agent, 4-6% of oil-removing emulsifier and 1-4% of corrosion inhibitor. The preparation method disclosed by the invention comprises the following steps: firstly, preparing the components according to the proportioning requirements; weighting the ingredients in the chemical chelating agent to put into a container; adding the deionized water to evenly agitate, so as to obtain a solution A; adding the physical dispersing agent and the corrosion inhibitor to the solution A; agitating to obtain a solution B; additionally, adding the prepared components of the oil-removing emulsifier to the container; adding the deionized water to dissolve; adding a functional additive to obtain a solution C; and evenly mixing the solution B with the solution C under the agitation condition to obtain the neutral oil removal rust remover. By adopting the product disclosed by the invention, the oil and rust removal work can be quickly and efficiently finished, and the neutral oil removal rust remover is free of damage to a substrate.

The invention provides a stainless steel degreasing agent, which comprises the following components in percentage by weight: 5 to 25 percent of organic solvent, 2 to 5 percent of corrosion inhibitor, 10 to 25 percent of surfactant, 5 to 10 percent of inorganic salt, 1 to 3 percent of defoaming agent and the balance of deionized water, wherein the organic solvent is bromohydrocarbon; the corrosion inhibitor is sodium benzoate, ammonium benzoate, triethanolamine, ethanolamine or benzotriazole; the surfactant is one or more of alkylphenol polyoxyethylene ether and fatty alcohol-polyoxyethylene ether; the inorganic salt is alkaline salt; and the defoaming agent is tributyl phosphate, organic silicon, oleic acid or sodium oleate. The stainless steel degreasing agent can replace the currently used ODS cleaning agents, can achieve the cleaning effect of the ODS cleaning agents, does not damage the surface of the stainless steel, has obvious cleaning effect, can clean a large number of products, and does not harm a human body; and the preparation method is simple, safe, and environment-friendly.

The invention relates to a process of reactivating the ethane alkali washing liquid, comprising the following operating steps: deoiling, causticizing and desulfurizing the alkali waste liquid, adding loading flocculating agent and metallic oxide during the above steps. The invention is characterized by the simple process, sound deoiling effect and complete meeting the ethane alkali washing process demand of the regenerated alkali liquid. The side product got in the course of causticizing and desulfurizing, by transforming the S2- into sulfide of high added value by applying sulfide conversion method, can be sale as commercial articles, which simplifies the waste alkali liquid treating course and brings higher economic benefit for the waste alkali liquid treating.

The invention discloses an oily sludge treatment system and a treatment method thereof. The treatment system comprises crushing equipment, a vibrating screen, a precipitation device, an ejector, a high-speed crushing device, a water storage device and separation device for separating oil, water and sludge, wherein the crushing equipment is used for primarily crushing oily sludge and is provided with an oil slick space and a first oil slick outlet which can be opened and closed; the vibration screen is located at the upper part of the precipitation device; the precipitation device is used for precipitating the screened oily sludge; the high-speed crushing device is used for crushing the oily sludge into fine particles; the precipitation device is sequentially connected with the ejector, the high-speed crushing device and the separation equipment; a water outlet of the water storage device is connected with a water inlet of the ejector. The treatment system can be applicable to dewatering of various oily sludges, meanwhile, the oil rate of the oily sludge can be reduced to below 3%, oil can be recovered to the maximal extent and secondary pollution of wastewater is not generated.

The invention provides a secondary separation cyclone which is mainly used for solving the problem that the existing cyclone separator has a poor effect on separating small oil drops. The secondary separation cyclone is characterized in that: the lower end of a first-grade cyclone pipe is sequentially connected with a second-grade cone section and a second-grade underflow pipe; a cyclone separator is fixed in the cyclone pipe and is formed by connecting a second-grade overflow pipe, a second-grade overflow cone section, a spiral sheet fixing pipe and a second-grade liquid collecting port; a diversion spiral sheet is fixed outside the spiral sheet fixing pipe, and the contour of the diversion spiral sheet is in contact with the inner wall of the first-grade cyclone pipe; a first-grade overflow pipe is connected outside the second-grade overflow pipe, and an annular gap is formed between the two pipes so that a medium in a first-grade cyclone cavity overflows along the annular gap; and the straight pipe length of the first-grade overflow pipe is less than the straight pipe length of the second-grade overflow pipe, both the first-grade overflow pipe and the second-grade overflow pipepenetrate through an upper end cover, and the outer wall of the first-grade overflow pipe is in closed connection with a corresponding hole of the upper end cover. The separation cyclone can increasethe separation efficiency of small oil drops and can realize secondary separation.

In the invention, the sodium hypopphosphite is as the reducing agent of the bath, nickel sulfate as the main salt, with the complexing agent, accelerating agent and stabilizing agent being added. Theultrasonic chemical plating is adopted that utilizes the mechanical energy of the ultrasonic vibration, making the bath deposit nickel and phosphor under the catalysis of the metal surface and the chemical reduction method controlled. The plating procedure includes the steps of oil removal, rust removal, activation, chemical plating and post treatment. The multiple complexing, accelerating and stabilizing agents raises the stability of the bath. The plating speed is adjustable. The even, compact nickel and phosphor plating layer covers the surface of the base body of powder metallurgical material so as to increase the service life of the material and provide wide application area.

The invention relates to a processing technology of an aluminum veneer for a curtain wall, and relates to the field of curtain wall materials. The processing technology solves the problems that the existing aluminum veneer and coatings are insufficient in binding force and the coatings are easy to fall off are solved. The processing technology specifically comprises the following steps of cutting-punching-bending-weld joint grinding-surface grinding-surface pretreatment-spray coating-drying; the surface pretreatment comprises degreasing, pickling and passivation; and the spray coating comprises priming, finishing coating and finish-coat painting. According to processing technology, in the degreasing process, a degreasing agent selected has an excellent degreasing effect, and grease can beadsorbed in the degreasing process, so that quantity of the grease with which the aluminum veneer is coated is reduced in a flushing process; the degreasing process is matched with pickling operation,the grease can be removed as much as possible, the aluminum veneer is good in degreasing effect, so that viscosity fastness of a primer can be increased when the priming is conducted; and the primer,the finish coat and finish-coat paint are connected tightly, and therefore paint layers of the finally generated aluminum veneer do not easily fall off.

A process for treating the oil contained sewage in oil field includes such steps as adding demulsifier (linear low-molecular cationic ammine polymer with multiple hydroxy groups), demulsifying, and adding flocculant (cationic polymer whose principal component is aminomethyl polyacrylamide).

A hard surface cleaning composition comprising:

• a) from 1% to 60% by weight of the composition of a surfactant system comprising an anionic surfactant and a primary co-surfactant selected from the group consisting of amphoteric, zwitteronic and mixtures thereof; and
• b) from 0.1% to 10% by weight of the composition of a polyetheramine

The invention provides a non-foaming low-temperature degreasant which belongs to the chemical technique field. The non-foaming low-temperature degreasant is prepared from components by weight percentage as follows: water 77.4-96.35%, sodium hydroxide 3-20%, polyoxyethylene nonyl phenyl ether 0.1-0.5%, fatty alcohd-polyoxyethlene ether 0.1-0.5%, carmowax 0.05-0.1%, disodium EDTA 0.2-0.5%, silicone antifoam agent 0.1-0.5%, fatty alcohol polyethenoxy ether type osmotic agent 0.1-0.5%. The non-foaming low-temperature degreasant has advantages of better oil removing effect, low use temperature, and simple preparing method. The non-foaming low-temperature degreasant has better application prospect.

The invention discloses a treating system, separating apparatus and treating method for oily sludge. The separating apparatus comprises a stirring drum, a first drive unit, a stirring shaft, multiple layers of separator plates and stirring members, wherein the stirring shaft is arranged in the stirring drum; the multiple layers of separator plates divide the stirring drum into multiple layers of space; each of the multiple layers of space is provided with one stirring member which is connected with the stirring shaft; the upper part of the stirring drum is provided with a sludge inlet and first floating oil discharge outlet; the lower part of the stirring drum is provided with a sludge outlet; and the bottom or lower part of the stirring drum is provided with a feed inlet for one or more selected from a group consisting of an extractant, air-dissolved water and solid foam particles. The treating system is applicable to dehydration of a variety of oily sludge, enables the oil content of oily sludge to be decreased to 3% or below, can maximally recover oil and does not produce secondary pollution like waste water.

The invention discloses an oily sludge recycling and treatment method. The oily sludge recycling and treatment method comprises the following steps: mixing oily sludge, water and an extracting agent in a mass ratio of 1:2:(0.3-0.7), wherein the extracting agent is a mixture containing a low-boiling-point organic solvent, a dispersing agent and an anionic surfactant; carrying out ultrasonic oscillation on the mixture in the step S1, and forming an oily sludge extracting agent mixed solution; carrying out solid-liquid centrifugal separation on the oily sludge extracting agent mixed solution, so that deoiled sludge and oil-water extracting agent mixed solution are obtained; and carrying out water separation and oil purification and recycling on the oil-water extracting agent mixed solution. The oily sludge recycling and treatment method provided by the invention is low in separation cost and high in efficiency and can realize extraction and recycling of petroleum in oily sludge, so that resources are utilized again.

The invention relates to a preparation method and application of a polyferric silicate coagulant. According to the method, a ferrous salt and a specific functional metal salt are used as raw materials; the ferrous salt and the specific functional metal salt are dissolved in an inorganic acid solution, so as to prepare an acidic ferric salt solution; mixed liquor B is obtained by adding a stabilizer A of a weak acid, a weak alkali, a strong alkali-weak acid salt, a strong acid-weak alkali salt or a weak acid-weak alkali salt; the mixed liquor B is mixed and reacted with activated silicic acid into which a surfactant stabilizer C is added, so as to prepare and obtain the high-efficiency polyferric silicate coagulant. The coagulant can be used for the treatment of wastewater containing heavy oil. The preparation method is simple in process, low in cost and low in requirements on reaction equipment; the obtained coagulant can be widely used in the process of the treatment of the wastewater containing the heavy oil, and has the advantages of a good coagulation effect, a high oil removal rate, a quick reaction speed, a quick sedimentation rate and high COD (Chemical Oxygen Demand) removal rate and turbidity removal rate, high activity and the like; the treated wastewater containing oil completely meets requirements in the Integrated Wastewater Discharge Standard GB8978-96.

The present invention relates to the field of wastewater treatments, particularly to a treatment apparatus for oil-containing emulsion wastewater generated by cutting, burnishing and other steps during a mechanical processing process and a method thereof. According to the treatment method, a composite demulsification method is mainly adopted so as to carry out complete demulsification; and then air flotation, flocculation and filtration are performed, wherein a filler is added with filtration mediums such as rice hull and sawdust on the basis of traditional quartz sand active carbon so as to increase a filtration and oil removing effect, such that effluent water quality is excellent. In addition, with the integrated treatment apparatus designed according to the method, the whole processes such as pretreatment, demulsification, air flotation, flocculation and the like can be independently completed, and advantages of economy, energy saving, complete function, small occupation area and easy operation are provided.

The invention discloses a pollution-free, high-efficiency and long-distance pipe installing and cleaning method, and belongs to the field of pipe cleaning. The pollution-free, high-efficiency and long-distance pipe installing and cleaning method comprises the following steps: installing a ball sending device and a ball receiving device, temporarily testing the leakage and the pressure of a system, sending a diameter-measuring ball, drying, derusting, passivating, chemically degreasing, drying, inspecting and accepting, performing nitrogen protection and transferring, wherein in the derusting, passivating and chemically degreasing steps, a pipe-cleaning train of a pipe cleaner-a chemical agent-a pipe cleaner is used, namely the chemical agent is integrally injected into a space between a first pipe cleaner and a second pipe cleaner; the chemical agent comprises a passivating agent or a degreasing agent; the degreasing agent adopts the formulation as follows: 2-3.5% of sodium tripolyphosphate, 1-2% of sodium carbonate, 0.5-1.5% of sodium hydroxide, 0.2-0.4% of sodium borate, 0.1-0.2% of disodium ethylenediamine tetraacetate, 0.05-0.1% of sodium oleate, 0.05-0.1% of sodium dodecyl sulfate, 0.05-0.1% of alkylphenol ethoxylate and 92.1-96.05% of water. By the pollution-free, high-efficiency and long-distance pipe installing and cleaning method, synchronous and high-efficiency operation of physical cleaning and chemical cleaning of a long-distance pipe can be achieved.

The invention discloses a foam type fruit-vegetable and tableware detergent composition, which contains the following raw materials: 1%-15% of a special anionic surfactant magnesium alkylbenzene sulfonate; 5%-50% of other surfactant; 0.1%-5.0% of a cosolvent; 0.01%-2% of a bactericidal preservative; 0.04%-0.1% of other components; and the balance deionized water. The composition provided by the invention selects the special combination of magnesium alkylbenzene sulfonate, other surfactant and assistants, so that the detergent maintains the basically no viscosity and stable foam state. By means of a push type foam pump head or jet type foam nozzle, the detergent is extruded or jetted in the form of foam. Being different from traditional fruit-vegetable and tableware detergents, the detergent composition is used for cleaning by means of the foam directly pushed or jetted out of a container, dissolution of the detergent in water and stirring of it into foams before cleaning can be unnecessary. The detergent composition is mainly used for cleaning fruits and vegetables and tableware, and has the characteristics of convenience, rapidity, and strong decontamination, etc.

The invention discloses a using method of ester dialkyl carbonic acid as industrial solvent, which relates to the application of ester dialkyl carbonic acid and its composition, wherein the structural formula of ester dialkyl carbonic acid is as following; R1 is methyl, ethyl, propyl, butyl or its isomer; R2 is ethyl, propyl, butyl, amyl, hexyl, methoxylethyl, ethyoxylethyl, propoxyethyl, butoxyethyl, methoxypropyl, ethoxypropyl, propoxypropyl, butoxypropyl or its isomer; the sum of carbon atom of R1 and R2 is not more than 10.The invention is characterized by the following: (1)degradable, friendly for environment; (2)compatible with other organic phase solvent; (3)micro-toxicity and fitful evaporating speed; (4)higher degreasing ability; (5)low cost; (6)wide usage.

The invention discloses a compound liquid laundry detergent and a preparation method thereof. The compound liquid laundry detergent comprises, by mass, 10 to 15% of fatty alcohol polyoxyethylene ether-9, 5% of fatty alcohol polyoxyethylene ether-7, 4 to 6% of sodium fatty acid methyl ester sulfonate, 4 to 6% of sodium dodecyl sulfate, 6 to 8% of cocamidopropyl hydroxysulfobetaine, 3 to 4% of dodecyl dimethyl benzyl ammonium chloride, 10% of propylene glycol, 2% of ethanol, 0.25% of a modified organosilicon antifoaming agent AFE-1410, 2% of an auxiliary agent, 0.03% of a fluorescent brighting agent CBS-X, 0.03% of essence, 0.01% of pigment and 1 to 3% of a thickening agent, with the balance being deionized water. Through mutual penetration and synergism of the raw materials, the compound liquid laundry detergent has the characteristics of better detergency, stability, low foam, softness, no harm to a water body, easy degradation, etc. The raw materials used for preparation of the compound liquid laundry detergent are easily available and environment-friendly; and the preparation method is simple and easily practicable.