40results about How to "Improve acid properties" patented technology

The invention relates to a method for processing a beverage by taking natural plants as raw materials, in particular to a cold brewed herbal tea and a preparation method thereof. The cold brewed herbal tea is processed by using the raw materials such as medical stone, honeysuckle, mulberry leaves, momordica grosvenori, dandelion, tea powder, pollen and the like. The cold brewed herbal tea has the good effects of clearing heat and detoxicating, protecting health, beautifying, treating anemopyretic cold, improving eyesight and removing heat from the liver, relieving cough, relieving summer heat and quenching thirst, relaxing bowel, regulating blood sugar level, reducing blood fat, lowering blood pressure, refreshing, digesting, promoting urination and the like.

The invention discloses catalytic cracking anti-coke income-increasing auxiliary agent which is used for catalytic cracking (FCC) devices and is prepared by following components according to the proportion by weight: disperser 5-15%, thermal cracking active agent 5-20%, free radical chain reaction depressor 5-25%, metal passivator 15-60% and dissolvent 25-65%. The invention is oil soluble auxiliary agent and has good compatibility with catalytic cracking mediums, the slag inserting rate of the FCC devices can be increased after the auxiliary agent is added, the light oil yield is increased, and the coke yielding rate is reduced.

The present application discloses a copper-containing molecular sieve Cu-CHA, a catalyst thereof and use thereof in the treatment of diesel vehicle exhaust gas, and belongs to the field of catalytic materials. The copper-containing molecular sieve Cu-CHA consists of zeolite having a CHA framework structure and containing silicon and aluminum elements as well as 1.65-3.05wt% of Cu; the Cu-CHA molecular sieve also comprises 0.5-1.5wt% of boron, and the Cu-CHA molecular sieve has an acid content of 0.25-0.98mmol/g. The Cu-CHA molecular sieve of the present application has an acid density as highas 0.25-0.98mol/g and a Cu content as low as 1.65-3.05wt%. As a catalyst for the selective catalytic reduction of ammonia, the Cu-CHA molecular sieve has excellent storage capacity for NH3 and good low-temperature activity, and the absence of CuOx species in the high-temperature section prevents the reduction of high-temperature activity due to non-selective oxidation of NH3. The Cu-CHA molecularsieve catalyst shows excellent catalytic activity in a wide temperature window, taking into account both low temperature and high temperature activities, and still shows good catalytic activity afterbeing subjected to hydrothermal aging treatment; and after being used in the treatment of diesel vehicle exhaust, the Cu-CHA molecular sieve catalyst has significant performance advantages.

The invention relates to bamboo salt food tea and a production method thereof. The production method comprises the following steps of: drying materials such as lotus leaves, hemp fruits, pine needles, and mulberry leaves respectively; powdering the materials to obtain powder; adding bamboo salt into the powder to obtain a mixture; and performing high temperature sterilization on the mixture to prepare powder, tea bags, tablets or candies, or boiling the mixture in water and filtering the mixture to prepare aqueous beverage. Most people have moist, lustrous and firm facial skin, feel vigorous and difficultly feel tired in work, and the hair hardly becomes dry and yellow, whitens or drops off when the people drink the bamboo salt food tea for 1 to 3 months; and the bamboo salt food tea alsohas effects of lowering blood fat, blood pressure, and blood sugar, and has magical effects of curing stomach diseases, nourishing a stomach, and invigorating the stomach for the people who have all kinds of stomach diseases.

The invention provides an SAPO-34/EU-1 composite molecular sieve. The SAPO-34/EU-1 composite molecular sieve has the following two crystal forms at the same time: an EU-1 molecular sieve and an SAPO-34 molecular sieve. The synthetic method for the SAPO-34/EU-1 composite molecular sieve provided by the invention comprises the following steps: adding the EU-1 molecular sieve into a glucose solution for ultrasonic treatment and carrying out filtering, drying and roasting so as to obtain a treated EU-1 molecular sieve; then mixing water, an alkali source, a template agent, an aluminum source and a silicon source with the treated EU-1 molecular sieve; and carrying out crystallization at a temperature of 150 to 240 DEG C for 15 to 100 h so as to obtain the SAPO-34/EU-1 composite molecular sieve. According to the invention, glucose is introduced into the pores of the EU-1 molecular sieve and becomes carbon after roasting; the carbon occupies the pore channels of the EU-1 molecular sieve to prevent alkali from entering the interior of EU-1 molecular sieve crystals, so the EU-1 molecular sieve is not destroyed in the process of crystallization and the integrity of crystal structure is maintained, which are beneficial for improvement of the physical and chemical properties and the catalytic activity of the SAPO-34/EU-1 composite molecular sieve.

The invention discloses a catalyst for selective hydrogenation of phenylacetylene in styrene. According to the catalyst, Al2O3-SiO2, Al2O3 or SiO2 is used as a carrier, Ni serves as an active component, and at least one of metals of the IVB family in the periodic table of the elements, at least one of metals of the VIB family in the periodic table of the elements and at least one alkali metal and/or alkaline-earth metal are/is taken as an assistant(s); according to total 100% by mass of the catalyst, Ni accounts for 12%-21%, at least one of metals of the IVB family accounts for 0.6%-8%, the at least one of metals of the VIB family accounts for 0.5%-1.5%, and at least one alkali metal and/or alkaline-earth metal accounts for 5%-10%. By using the catalyst, after hydrogenation, the minimum content of phenylacetylene in C8 fraction is 0, the minimum loss of styrene is 0 or above and the generated colloid is less than or equal to 10mg/ml.

The invention relates to a bamboo salt tea flavor cola which can overcome the defects of the current cola, tea drinks, sweet milk beverage and fresh water drinks. The bamboo salt tea flavor cola is produced by mixing distilled water, tea (green tea and red tea), mixed sirup, citric acid, edible flavor and vitamin C which are composed of the base materials of drinking tea, the seasoning accessories with the function of bamboo salt which mixes with aerated water, burnt sugar color, orthophosphoric acid and bamboo salt are added again. The bamboo salt tea flavor cola can completely clean and purify the cavity and the esophagus of people and has the effects of protecting and purifying cavity, eliminating and preventing cavitary diseases and has the functions of antibacterium, sterilizing and treating inflammation and has remarkable permanent curative effect. The bamboo salt tea flavor cola also has strong comprehensive effects of detoxification and toxicant elimination; as the bamboo salt tea flavor cola can balance and adjust acidity and alkalinity, the bamboo salt tea flavor cola is suitable for modern people and people of various physique to drink and has good efficacy of refreshing, quenching, cleaning cavity, eliminating inflammation, being fresh, promoting the production of body fluid, cleaning throat and clearing and nourishing intestines and stomach, thus being extremely beneficial to the health of people from head to foot and having no any side effect on human bodies.

The invention belongs to the field of biological medicine, and particularly relates to a composition which adopts natural sources and is used for astringing to arrest diarrhea, and a preparation method of the composition. According to the invention, the raw materials including rice, fortune eupatorium herb, rhizoma atractylodis macrocephalae, guava leaves, folium artemisiae argyi, tea leaves, amomum kwangsiense and the like are processed to obtain the composition. The composition is safe, reliable, good in taste, convenient, and high in adaptability, and has the effects of warming the middle warmer, tonifying spleen, regulating qi and inducing diuresis, can relieve various symptoms caused by diarrhea, promote the recovery of gastrointestinal function, and increase appetite.

The invention provides a Beta-Y composite molecular sieve. The Beta-Y composite molecular sieve has the following two crystal forms at the same time: a Y type molecular sieve and a Beta molecular sieve. The invention also provides a synthetic method for the Beta-Y composite molecule sieve. The synthetic method comprises the following steps: (1) preparing a Y structure-directing agent; (2) adding the Beta molecular sieve into a glucose solution for pretreatment; (3) mixing a silicon source, an aluminum source, inorganic base and water and adding the Y structure-directing agent; and (4) adding the treated Beta molecular sieve under stirring, carrying out crystallization and then carrying out separating, washing, drying and roasting so as to obtain the Beta-Y composite molecular sieve. According to the invention, glucose is introduced into the micro pore channels of the Beta molecular sieve and becomes carbon after roasting; the carbon occupies the pore channels of the Beta molecular sieve to prevent alkali from entering the interior of Beta molecular sieve crystals, so the Beta molecular sieve is not destroyed in the process of crystallization and the integrity of crystal structure is maintained, which are beneficial for improvement of the physical and chemical properties and the catalytic activity of the Beta-Y composite molecular sieve.

The invention discloses a method for improving southern acid soil for fruit tree cultivation. The method comprises the following steps that firstly, a soil structure is improved from the chemical level, namely the soil of a planting layer is loosened and ploughed, and an acid soil conditioner is mixed; and secondly, the soil structure is improved from the physical level, specifically, a nutrient locking layer formed by mixing diatomite and straw powder is laid below a planting layer of soil, a graphene net is laid on the surface of the soil and located between fruit trees, and absorption cotton slivers crossing the planting layer and the nutrient locking layer are buried around each fruit tree. On the basis of improvement through the soil conditioner, soil is physically improved, most of nutrients lost due to the eluviation can be locked and can be absorbed by the fruit trees in the later period, and the lasting time of the soil improvement effect is prolonged.

The invention discloses a heavy aromatic conversion catalyst. The heavy aromatic conversion catalyst comprises small-particle hydrogen mordenite in a two-dimensional sheet state, the size of the small-particle hydrogen mordenite in the long-dimensional direction is 200-1000 nm, the sheet thickness of the small-particle hydrogen mordenite in the short-dimensional direction is 5-60 nm, the pyridineabsorption infrared total acid of the small-particle hydrogen mordenite is 0.5-1.35 mmol/g, and the B acid distribution of the small-particle hydrogen mordenite is 45-70%. The preparation method of the heavy aromatic conversion catalyst comprises (1) uniformly mixing a silicon source, an alkali source, N-methylpiperidine and water, performing hydro-thermal treatment on the mixed materials in a sealed state, cooling the materials down to room temperature, and then uniformly mixing an aluminum source into the hydro-thermal-treated materials; (2) aging, crystallizing, washing, drying and baking the materials obtained in the step (1), fully soaking the baked powder in an organic acid-inorganic ammonium salt aqueous solution, and performing drying, baking and forming process to obtain the heavyaromatic conversion catalyst. The heavy aromatic conversion catalyst is high in heavy aromatic conversion ability and BTX (benzene-toluene-xylene) yield.