32 results about "Stilbite" patented technology

The invention relates to a high-silver-loaded zeolite adsorbent for removing iodide in acetic acid and a preparation method thereof. The prior art has high cost, high price and complicated production operation process. The adsorbent of the present invention is made of a natural mineral zeolite-stilbite (Chinese code name CXN, English code STI, scientific name stilbite), which is made through modification and cation exchange. After silver ion exchange, its maximum silver loading can reach 26%. The adsorbent can effectively remove organic iodide, inorganic iodide and molecular iodine in acetic acid.

The present invention discloses a modified hematilite water purifying agent. The manufacturing method steps of the water purifying agent are as follows: 1) pulverize the hematilite and mix it with a magnesium-containing compound and an aluminum-containing compound; Add alkali solution to the above mixture, adjust its pH value to 6-8, and make the mixture into a colloidal state; 3) Dry and crystallize the obtained mixture to obtain the modified staphilite water purifying agent. Wherein, the mass ratio of the used hematilite to the magnesium-containing compound and the aluminum-containing compound is 2:1:0.5˜2:3:2. After the hematilite is modified by the manufacturing method of the present invention, it is used to treat COD in domestic sewage, and the removal rate is greater than 75%, and it can also be used to treat the toxic substance Cr in sewage. 6+ , the removal rate is greater than 95%, the post-modification treatment effect is 2 times and 8 times the removal effect of the unmodified staphite, and the production cost of the modification treatment is low, and the process is relatively simple.

A ceramic wall and floor tile, characterized in that: the green body of the wall and floor tile is mainly made of the following raw materials in the weight ratio: 15-25 parts of silica sand, 45-60 parts of clay, 8-12 parts of limestone, and has low temperature Ceramic raw materials with fast burning properties: 15-20 parts of pyrophyllite and / or wollastonite and / or diopside and / or tremolite. The present invention introduces free SiO in the blank of ceramic wall and floor tiles 2 -Silica sand, so that river sand, beach sand, desert sand, etc. can be utilized, not only can save resources, protect the environment, and turn waste into treasure, but also due to the proper proportion of other blanks, the products produced have no cracking phenomenon and inherent quality Excellent, its performance index can reach: the shrinkage rate of the product is 0.5-0.8%, the water absorption rate of the product is 15-16%, the flexural strength of the product is 23-25MPa, and the product cost is reduced by more than 20%.

The invention belongs to the field of building decorative material artificial synthesized stones, and particularly relates to a method of using tremolite minerals to prepare jade building materials, which mainly solves the problem of serious waste of tremolite and diopside minerals. The technical scheme includes that the method of using the tremolite minerals to prepare the jade building materials uses, by weight, 50-98 parts of base materials, 1-20 parts of polymers and 0-1 part of filler to prepare jade building material products by means of a base material shaping procedure, a material combination and arrangement procedure, a vacuum vibration procedure, a saw cutting procedure, a filling procedure and a grinding and polishing procedure. The method adopts various peculiar materials to combine and prepare the jade building materials, is reasonable in process, provides an approach of transforming precious minerals such as tremolite and the like to high-end building materials and furniture products, and provides a feasible scheme for upgrade of artificial synthesized stone industry and products.

The invention is a kind of high intensity compound zeolite deiodination sorbent and preparation method. The sorbent is prepared from a kind of natural mineral zeolite - stilbite (its Chinese code name is CXN, its English code name is STI, and its scientific name is stilbite); through positive ion exchange produce H-STI, mix with artificial compounded commodity H-ZSM-5 zeolite, add cementing agent to molding, after strengthening process, then through silver carrying to produce. The small ball of the sorbent of 1 mm diameter can get 40 Newton per grain. The sorbent can effectively eliminate the organic iodide, inorganic iodide and idodine molecule in the car-bonyl compounded products.

The invention discloses an inorganic silver-carrying antimicrobial zeolite particulate retention aid and a preparation method thereof. With the invention, the red stilbite is used as the raw material. With the liquid-phase ion exchange method and under the condition that the reaction time is 1.5 to 3.0 hours, the solid and liquid ratio is 0.8 to 1.2g / 10ml, the reaction temperature is 60 to 80 centigrade degrees, the pH value is 6.0 to 8.0, and the AgNO3 concentration is 0.1 to 0.3 mol / l, the high-content silver ions are loaded, washed with the deion water, centrifugated, dried and ground to manufacture the inorganic silver-carrying antimicrobial zeolite particulate retention aid used for paper making with the weight percentage of 3.0 to 5.5 percent. The inorganic silver-carrying antimicrobial zeolite particulate retention aid used for paper making is characterized in that the retention aid promotes the filling retention ratio and the water filtration speed, effectively improves the paper evenness and is human-friendly and antimicrobial.

The invention relates to a modified tremolite adsorbent and a PTA industrial waste water treatment method. The preparation method of the adsorbent comprises the following steps: preparing a piranha liquid; immersing tremolite powder into the piranha liquid at 75-85 DEG C for 8-12 minutes, wherein the dosage of the piranha liquid is determined by just immersing the tremolite powder; then filtering, taking out a filter cake, washing by deionized water until the mass of the filter cake is constant, drying at room temperature, thereby obtaining the modified tremolite filter cake; placing the modified tremolite filter cake into a water / alcohol mixed liquid with the volume ratio of 1:1, and carrying out ultrasound with 80-120W at 30-50KHz for 1.5-2.5 hours; filtering a liquid, washing the filter cake by distilled water until the mass is constant, then drying at 190-210 DEG C for 1.5-2.5 hours; and grinding the dried filter cake, and screening out powder of 80-100 meshes, thereby obtaining the modified tremolite adsorbent. According to the invention, the manufacturing cost is low; the modification method is simple and feasible; the adsorption rate of the modified adsorbent to cobalt and manganese ions in PTA industrial waste water reaches 99.00% above; and moreover, the efficiency is high, and the treatment effect is steady.

The invention belongs to the technical field of chemical adsorbent, and specifically relates to modified natural stilbite used as a methane adsorbent, and a preparation method thereof. According to the invention, natural STI zeolite is adopted as a raw material, and is subject to ammonium solution exchange, such that NH4-STI zeolite is obtained; the NH4-STI zeolite is subject to high-temperature steam processing, such that H-STI zeolite is obtained; the H-STI zeolite is subject to magnesium ion exchange, such that magnesium-type STI (Mg-STI) zeolite is obtained. Methane adsorption capacity of the absorbent can reach 21.5mL / g, and a methane / nitrogen separation coefficient of the absorbent is higher than 3, such that the adsorbent can be adopted as an excellent high-efficiency methane adsorbent. Natural mineral resources adopted in the invention are advantaged in high grade, abundant reserves, and low exploitation cost. Also, the STI zeolite methane adsorbent preparation method is advantaged in simple technology and relatively low cost. The absorbent has a wide application prospect in gas separation and extraction in coal mines.

The invention relates to a modified epidesmine rubber reinforcement additive and preparation method thereof, which is made from epidesmine raw ore processed by washing, crashing, hydrochloride immersion, calcium oxide neutralization, washing, drying and packing. The advantages of the invention are specific surface and compatibility of the epidesmine are improved after being modified, surface adsorbing power are enhanced, the epidesmin is easy to fill in the rubber mesh organization, the rubber is easier to get into the bee-like structure, and the processing performance and physical property of the rubber can be enhanced. The rubber reinforcement made from the additive has tension strength at break which is increased from 7.23MPa to 10.6MPa, even higher, and hardness from 76 to 82,.