225 results about "Gutter oil" patented technology

The invention discloses a mud cake adhesion lubricant for water-base drilling fluid, and the mud cake adhesion lubricant comprises 0.1-15wt% of mud cake adhesion lubrication improver, 0-4wt% of triethanolamine, 0.01-20wt% of surfactant and the balance of oil, wherein the chemical formula of the mud cake adhesion lubrication improver is (RCO2)[x]M or (RCO2)[x-y](OH)[y]M, wherein the R in the formula is a saturated straight chain or branched chain alkyl group of C8-C20, or an unsaturated straight chain or branched chain alkyl group of C8-C20; M is <+2>, <+3> or <+4> valent metal ions; x is equal to 2-4, y is equal to 0-2, and x is greater than y; the HLB of the surfactant is greater than 8; the oil is mineral oil, plant oil, waste engine oil, plant oil-modified oil or recovered gutter oil. The mud cake adhesion lubricant for water-base drilling fluid has excellent mud cake adhesion lubrication capability, and the reduction rate of the mud cake adhesion lubrication coefficient can achieve more than 70%.

The invention belongs to the technical field of kitchen waste recovery treatment and particularly relates to a kitchen waste treatment process. The kitchen waste treatment process comprises the following steps: treatment adopting an oil-water separator, kitchen waste treatment, treatment in a small sewage treatment station and manufacture of organic fertilizer in a treatment plant. The kitchen waste treatment process has the beneficial effects as follows: kitchen waste and gutter oil of restaurants, hotels and the like can be prevented from flowing into the society with adoption of the kitchen waste treatment process, the problem of body health of the masses caused by consumption of the kitchen waste and the gutter oil can be avoided, adverse impact of the gutter oil on the society is eliminated, source control is realized, each link is monitored in the whole process by a monitoring center, all the kitchen waste and the gutter oil are enabled to enter to the treatment plant, the organic fertilizer and biodiesel are prepared respectively, and the waste is used reasonably.

The invention relates to a waste recycling method, in particular to a method of comprehensively recycling food waste. The method comprises the steps of using ozone to disinfect, sterilize, deodorize and retain freshness, and then conducting solid fermentation; and sinking the liquid naturally sink to separate the oil from the water so as to achieve the aim of recycling floating oil and solid fermented feed or organic fertilizer in the food waste. By scientifically treating the food waste and turning waste into wealth, the production of illegal cooking oil is completely eradicated from the source. The method provided by the invention is simple and practicable, the device is simple in structure and easy to manufacture, the secondary pollution is avoided in the treatment process; and according to the method, obvious economic benefits and social benefits are realized.

The invention relates to a low-grade bauxite positive floatation collecting agent. The collecting agent comprises, by weight, 5-25 parts of gutter oil treating fluid, 65-85 parts of high-iodine fatty acid, 5-8 parts of sodium hydroxide, 0.5-1 part of an MOA emulgator in a mixed preparation manner; and the gutter oil treating fluid is prepared from gutter oil, methyl alcohol or ethyl alcohol, hydroxylammonium chloride and an alkaline solution according to the weight ratio being 5:1:2:1. According to the low-grade bauxite positive floatation collecting agent, the gutter oil is made profitable; pretreatment modification is carried out on the gutter oil, the gutter oil and other agents are compounded to obtain the novel collecting agent, a series of problems such as large agent using amount, difficult foam transportation, poor beneficiation and separation indexes and high cost are solved to a large extent, efficient resource utilization, energy saving, emission reduction, cost reduction and efficiency increasing are facilitated, and the low-grade bauxite positive floatation collecting agent is of great significance in improving comprehensive competitive power of bauxite dressing plants.

The invention relates to a method for preparing long-chain alkane from gutter oil through hydrolysis and in-situ hydrogenation and decarboxylation. The method comprises the following steps that 1, the gutter oil is mixed with water, the mixture is heated for a hydrolysis reaction, and C8-C18 fatty acid is obtained after reaction products are treated; 2, the C8-C18 fatty acid, a non-noble metal catalyst, a hydrogen-donating agent and water are together added into a high-temperature and high-pressure reaction kettle and heated to 310-410 DEG C, and a decarboxylic reaction is conducted for 0.5-7 h, wherein the active component of the non-noble metal catalyst is Cu-Ni, and a catalyst carrier is one of SiO2, ZrO2, Al2O3, MgO and MWCNTs; 3, a reaction product is cooled and dissolved with organic solvent, and a liquid product and a solid catalyst are obtained after filtration is conducted. According to the method for preparing the long-chain alkane from the gutter oil through hydrolysis and in-situ hydrogenation and decarboxylation, the gutter oil is catalyzed by the non-noble metal catalyst in high-temperature water, in-situ hydrogenation and decarboxylation are conducted on a hydrolysis product to prepare the long-chain alkane, and compared with an existing technology, the method has the advantages of being simple in process, free of hydrogen consumption and low in catalyst cost; in addition, the total mass yield of the long-chain alkane in the method can reach 75.4% or above.

The present invention discloses a comprehensive pre-treatment method of kitchen garbage and gutter oil. The method comprises material collection, sorting treatment, pulping treatment, deoiling treatment and overall deodorization treatment. By adopting a multi-step and multi-stage sorting process, the method disclosed by the invention effectively separates non-biomass impurities in kitchen wastes, thereby providing an advantageous condition for a subsequent treatment process. According to the present invention, a two-stage centrifugal manner is used in grease separation and purification for increasing the separation accuracy, reducing the residence time, reducing the energy consumption, and a primary stage horizontal centrifuge is used for solid-liquid separation and a secondary vertical centrifuge is used for oil-water separation. As materials with a high solid content separated by the primary centrifuge no longer enter into the secondary centrifuge, the energy consumption is significantly reduced, the residence time can be shortened, and the separation accuracy is improved. According to the method disclosed by the present invention, the pre-treated materials have an ultra low oil content, can be adaptive to various post-treatment processes of composting, producing biogas by anaerobic fermentation, processing feeds and the like, and can be flexibly applied to subsequent process, thus providing a guarantee for realizing harmlessness and recycle of kitchen wastes.

The invention relates to a formula of epoxy gutter oil plasticized PVC (Poly Vinyl Chloride). In a test, sulfuric acid is taken as a catalyst, hydrogen peroxide is taken as an oxygen supply agent, formic acid is taken as an oxygen receiving agent, and the epoxidation reaction conditions of gutter oil are researched in one step by adopting performic acid. The method is suitable for industrial popularization and application. Therefore, the optimal processing formula of the epoxy gutter oil plasticized PVC is designed by taking the epoxy gutter oil as a plasticizer in the PVC production process instead of the conventional dioctyl phthalate.

The invention discloses a method for detecting illegal cooking oil, test paper and application of the test paper. According to the method, a lipopolysaccharide antibody and/or a fat-soluble protein antibody are/is taken as an antibody for detection. The method comprises the following steps of: preparing an antibody A and an antibody B by using a hybridoma cell strain gzcdc-ETX001; reacting fluorescein molecules with glucan molecules to obtain glucan molecules combined with fluorescein, reacting the glucan molecules combined with the fluorescein with the antibody B, and purifying to obtain a glucan-antibody B-fluorescein mixed marker; and reacting a sample to be tested with the antibody A, adding the glucan-antibody B-fluorescein mixed marker, continuing to react, and detecting by using a device for detecting fluorescence so as to judge whether the illegal cooking oil is contained in the sample to be tested. The glucan-antibody B-fluorescein mixed marker is enveloped by a bonding pad in the test paper for implementing the method; and a detection band on a chromatographic membrane is fixed with the antibody A, and a quality control band is fixed with an antiantibody which can be specifically combined with the glucan-fluorescein marked antibody B. The test paper is sensitive and easy to use.

Copper oxide and copper sulfide ore flotation agent is made with, by weight, 15-19 parts of gutter oil, 3-5 parts of silica sol, 5-7 parts of sodium naphthenate, 4-5 parts of urea, 2-3 parts of sodium carbonate, 5-7 parts of chitosan, 6-9 parts of mimosa extract, 3-4 parts of sodium metabisulfite, 2-4 parts of fatty alcohol-polyoxyethylene ether, 20-25 parts of black powder, and 4-5 parts of activator. The floatation agent with the gutter oil remains foamy, and the cost is reduced; through the use of the chitosan and silica sol, flocculation is effective and yield is increased; the flotation agent is capable of well collecting copper, copper yield is high, the flotation agent is well selective, has good inhibitory action against other ores, and copper grade is high. The activator contains the components such as jade nanopowder, is capable of stably dispersing and has good permeability and activity, the activation effect lasts long, and the yield and grade of copper is increased. The flotation agent is low in environmental pollution.

The invention discloses a method for preparing an alkyd resin using illegal cooking oil and belongs to the field of high polymer materials. The method includes the following steps of putting hogwash oil, rosin, glycerol, pentaerythritol, neopentyl glycol, and an accelerant into a reaction still, and performing heating and reaction; cooling acquired reactants, putting terephthalic acid in the reaction still, and performing heating and reaction; heating the reactants, adding a backflow solvent, and performing backflow heat preservation; cooling reactants, adding a petroleum resin, and performing even stirring; diluting an obtained material with a solvent. According to the method for preparing the alkyd resin using the illegal cooking oil, by means of a formulation design of the reclaimed illegal cooking oil and hogwash oil, the alkyd resin with high properties is prepared through synthetic reaction, manufactured antirust paint is excellent in antiseptic property, and ready mixed paint or enamel paint is excellent in weather fastness, glossy, bright-colored, and good in property.

The invention discloses a bactrocera dorsalis slow-release type attractant which includes the following components by mass percent: 80-90% of methyl eugenol, 5-10% of a synergist and 5-15% of a slow-release agent, wherein the synergist adopts one or more of orange oil, psidium guajava essential oil, mango essential oil, loquat flower essential oil and carambola essential oil; the slow-release agent adopts one or more of vegetable oil and gutter oil. The bactrocera dorsalis slow-release type attractant provided by the invention adopts a simple, effective and pollution-free slow-release and synergistic technology, and includes not only methyl eugenol active substances but also plant essential oil which has a synergistic effect, as well as the slow-release drug for increasing the drug effect duration, so as to prolong the attraction time and improve the attraction effect of the bactrocera dorsalis attractant, and satisfy technology requirements for effective and long-lasting prevention and control. The raw materials used by the bactrocera dorsalis slow-release type attractant have the characteristics of being environment-friendly, low in cost and long in drug effect duration.

The invention discloses a method for detecting swill-cooked dirty oil by using a biology tracer technique. An antioxidant capable of carrying out thermal decomposition is added in fresh edible oil in a scope of food additives, the antioxidant and thermal decomposition matters of the antioxidant serve as tracers, the oil can be detected to be the swill-cooked dirty oil if any thermal decomposition matter of the antioxidant is detected. With the adoption of the method, a swill-cooked dirty oil sample which comprises a sample of the fresh edible oil doped with the swill-cooked dirty oil can be effectively identified, the tracers generated by the thermal decomposition are various and not easy to separate and remove, so that accordingly circulation of the swill-cooked dirty oil on the market is avoided.

The invention relates to a method for preparing a thickened oil viscosity reducer based on gutter oil as a raw material. The method comprises the following steps of carrying out amidation reaction on gutter oil which is rich in source and is enriched in triglyceride and N,N-dimethyl-1,3-propanediamine to produce oleamide having terminal groups containing tertiary amide and reacting bimolecular oleamide having terminal groups containing tertiary amide with monomolecular 1,4-butanediol diglycidyl ether to produce Gemini amphiphilic molecules containing quaternary ammonium ions. The compound has thickened oil emulsifying capability. The preparation method is simple and low in cost and provides a new way to treat gutter oil.

The invention relates to a method for measuring doped gutter oil in edible vegetable oil. The method comprises the following steps of (1) deriving of a vegetable oil sample: deriving the vegetable oilsample by a 2,4-dinitrophenylhydrazine deriving solution; (2) drawing of an external standard working curve; (3) detection of the sample. The invention also relates to application of a reaction product (aldehyde phenylhydrazone) of fatty aldehyde and 2,4-dinitrophenylhydrazine to detect the doped gutter oil in the edible vegetable oil.

The invention discloses a method for preparing biodiesel with low sulfur content from gutter oil. The method comprises a series of procedures as follows: pretreatment, esterification reaction, vacuum impurity removal, transesterification, glycerin separation and dealcholization as well as distillation refining. According to the technology, sulfur-containing substances are not introduced into the whole technological process except raw gutter oil materials in production while concentrated sulfuric acid is commonly used as a catalyst in the esterification reaction in the prior art; the vacuum impurity removal process is added before the transesterification process, impurities (including sulfur-containing impurities) with low boiling point are removed in advance, so that the sulfur content of a product is further reduced, and content of ester is increased.

The invention discloses a gutter oil glycerol esterification method, and belongs to the biological chemical industry field, and the method includes the following conditions: glycerol addition amount is 5% to 9%, NaOH addition amount is 0.01% to 0.1%, and the reaction time is at least 3 hours. Preferably, a catalyst can be used, and the catalyst is 0.4% of zeolite. Preferably, a catalyst can be used, and the catalyst is a mixture of 0.3% of zeolite and 0.2 % of ZnO. Preferably, the glycerol addition amount is 5%. Preferably, the reaction time is 5 hours. Preferably, the NaOH addition amount is 0.05%. Beneficial effects are as follows: through gutter oil glycerol esterification for acid reduction, biodiesel synthesis yield is greatly increased, and through the best operating process of the method, the yield can be greatly improved.

The invention discloses a combined treatment method and system for food waste, excrement, illegal cooking oil and kitchen waste. The method comprises the following steps: 1) pretreating the food waste, the illegal cooking oil and the kitchen waste to separate out inorganic impurities, carrying out crushing, carrying out pulping, and separating out grease, organic solid matter and concentrated water; 2) carrying out anaerobic fermentation on the organic solid matter and the concentrated water to generate biogas and obtain biogas residues, biogas slurry and odor, and carrying out deodorization on the odor; 3) carrying out solid-liquid separation on the excrement and the biogas residues to obtain garbage, impurities and sewage; and 4) carrying out sewage purification treatment on the biogas slurry and the sewage to obtain sludge and water meeting an emission standard. The method and system provided by the invention jointly treat the food waste, the excrement, the illegal cooking oil and the kitchen waste, reduce the operation costs, save labor, share related facilities to a maximum extent, and improve the project profit capacity.

The invention relates to a detection method of adulterated oil and gutter oil. The method comprises steps of establishing a qualified grease and gutter oil sample base; implementing 1H nuclear magnetic resonance (NMR) detection to qualified grease samples, obtaining spectrograms of the grease samples, and calculating mass percentages of saturated fatty acid triglyceride, oleic acid triglyceride, linoleic acid triglyceride and linolenic acid triglyceride in each grease, determining a relative error of the four fatty acid triglycerides in greases of the same kind, and obtaining a proportional range of the mass percentages of the four triglycerides in greases of the same kind; adding to and establishing a mass percentage database of four triglycerides of qualified greases; implementing 1H NMR (1H Nuclear Magnetic Resonance) detection to a gutter oil sample, calculating mass percentage and proportion of four triglycerides, and establishing a mass percentage database of the four triglycerides of the gutter oil; carrying out same detection and calculation to a grease sample to be detected, and comparing an obtained proportion with proportions in two database, so as to judge whether the qualified grease is adulterated oil or gutter oil.

The invention provides an edible oil identification method with high identification ability. According to the technical scheme, a two-dimensional synchronous correlation and/or two-dimensional asynchronous raman spectra reflecting a C-H stretching vibration change mechanism can be extracted by adopting a temperature change control technology, and oil sample identification is performed by hierarchical cluster analysis. The method has the characteristics of small sample usage amount, no need of pretreatment, sample nondestructive property, simple and convenient operation, rich fingerprint information, high identification ability and the like, can rapidly identify authentic edible oil and refined illegal cooking oil, has extremely high identification ability on a doped oil sample with a mass ratio of the doped illegal cooking oil being as low as 5%, can obviously improve the identification efficiency and persuasive power to fake edible oil and has significances for cracking down on the fake edible oil and guaranteeing the public health safety.

The invention relates to a method for decoloring biodiesel prepared from gutter oil. The method comprises the following steps: 1, preparing biodiesel from gutter oil through ester exchange; 2, decoloring: adding 100g of biodiesel to a 250ml flask, adding hydrogen peroxide which is 5-25% oil weight in mass percentage, wherein heating temperature is 70-90 DEG C, stirring, reacting for 18-25min, centrifuging and reserving an upper phase; 3, calculating a decolorization ratio: respectively adding the obtained grease in a 1.0cm cuvette, and implementing absorption spectrum scanning on 465nm, wherein the decolorization ratio is defined as a ratio of a difference in absorbance indexes before and after biodiesel decolorization to an absorbance index before decolorization. The method has the beneficial effects that the method, through a hydrogen peroxide oxidation process, has an obvious decolorization effect on deep-color biodiesel prepared from the gutter oil. And the decolorization method is simple to operate, high in decolorization speed and high in recovery efficiency, and the biodiesel decolorized by the method has no large difference with the biodiesel before decolorization in both physical and chemical property.

The invention discloses a cold-recycling asphalt mixture, which is composed of the following ingredients (by weight): 75-95 parts of a waste asphalt mixture, 1-5 parts of gutter oil, 2-4 parts of diesel oil, 0.3-0.6 part of slaked lime, 0.5-1 part of lignin fiber, 2-3 parts of aluminium chloride, 3-5 parts of fly ash, 0.5-1 part of benzophenone, 0.2-0.3 part of p-toluenesulfonic acid and 0.3-0.6 part of aniline. By the use of a formula-improved cold-recycling mixture, a cold-recycling mixture having improved performance is obtained. A pavement milling material of the in-place cold-recycling mixture has high recycling rate and good construction performance. High-temperature stability and water stability of the in-place cold-recycling pavement are obviously enhanced. The technological flow is simplified. There is no need to consume fuel, and no exhaust gas is discharged. Thus, real cold-recycling of asphalt is realized, and mixture is beneficial to ''energy conservation and emission reduction'' and environmental protection.