10 results about "Nitrohumic acid" patented technology

The invention belongs to the technical field of mineral processing, and particularly relates to a silver-lead-zinc bulk concentrate re-sorting method. The silver-lead-zinc bulk concentrate is subjected to reagent removal concentration and regrinding, then silver-lead rapid flotation is conducted, high-lead silver concentrate and silver-lead rapid flotation tailings are obtained, silver flotation is conducted on the silver-lead rapid flotation tailings, silver concentrate and silver flotation tailings are obtained after rough flotation, fine flotation and scavenging are conducted, then zinc flotation is conducted on the silver flotation tailings, and silver concentrate and silver flotation tailings are obtained. The silver-containing zinc concentrate and the recleaning tailings are obtained after roughing, first concentration, second concentration and scavenging, the separation effect of silver, lead and zinc is fully improved, and the obtained silver concentrate has the advantages of being low in lead and zinc. Besides, sodium hydroxide is innovatively adopted to be combined with an adjusting agent of ammonium nitrohumate, effective inhibition on pyrite in the zinc flotation process is achieved, residual silver minerals are activated, effective comprehensive utilization of zinc resources is achieved, and meanwhile full recovery of the silver resources is further guaranteed.

The invention discloses a reservoir drilling fluid and a preparation method thereof, and belongs to the technical field of oilfield chemical agent preparation, the reservoir drilling fluid comprises the following substances by weight: 50-80 parts of water, 3-5 parts of a flocculant, 2-8 parts of a polyamine inhibitor, 2-4 parts of an anti-scale agent, 1-3 parts of graphite, 4-6 parts of a mixed additive, and 1-3 parts of xanthan gum; the preparation method of the mixed additive comprises the following steps: S1, preparing alkyl glycoside and a pH adjusting solution with the concentration of 0.8-1.2% according to the mass ratio of 1: 2, mixing the alkyl glycoside and the pH adjusting solution, stirring for 20-35 minutes at the temperature of 45-55 DEG C, then adding calcium formate, and stirring to obtain a primary mixture; by preparing the mixed additive prepared by mixing substances such as alkyl glycoside and sodium nitrohumate, the drilling fluid finished product can effectively reduce the damage of a coalbed methane reservoir caused by solid phase invasion, prevent mineral hydration, promote desorption of coalbed methane on the surface of coal rock, and maintain the stability of the coalbed at the same time.

The invention relates to the technical field of cotton planting, in particular to a liquid fertilizer for cotton planting in high-salt soil and a preparation method of the liquid fertilizer, and the liquid fertilizer is prepared from the following components in percentage by volume: 35-40% of nitrohumic acid solution, 25-30% of nitrohumic acid potassium solution, 15-20% of compound microbial agent, 10-15% of plant enzyme and 3-5% of synergist. Wherein the compound microbial agent comprises one or more of bacillus subtilis, bacillus mucilaginosus and saccharomyces cerevisiae. According to the method, a nitrohumic acid-bio-organic fertilizer-complex microbial inoculant compound fertilizer system is created for the first time, the salt content of the high-salinity land is reduced in a stepped mode within 1-2 years, the planting environment of the high-salinity land is restored, and cotton planting is facilitated.

The application relates to the field of wall protection mortar, and particularly discloses a wall protection mortar for bored piles and a preparation method, the wall protection mortar comprises the following raw materials in parts by weight: mixing water 900 parts; bentonite 54-60 parts; soda ash 1.7-2.7 parts; mineral aggregate 7-8.2 parts; weighting agent 14-24.6 parts; adhesive 0.13-0.4 parts; anti-permeation auxiliary material 2-23 parts; the raw materials of the anti-permeation auxiliary material comprise porous loading agent, nitro humic acid potassium and coating agent, and the weight ratio of the porous loading agent, the nitro humic acid potassium and the coating agent is (10-16):(4-5):5. The preparation process is as follows: S1, preparing the adhesive; S2, preparing the anti-permeation auxiliary material, and uniformly mixing the anti-permeation auxiliary material with the adhesive to obtain a filler; S4, uniformly stirring bentonite, mixing water, soda ash, mineral aggregate, weighting agent and the filler to obtain the wall protection mortar. The application has the effect of blocking the penetration of surrounding soil into the bored piles.

The invention provides a mineral source nitro humic acid-desulfurized gypsum soil conditioner, the mass ratio of mineral source nitro humic acid to desulfurized gypsum is (50-150): 100, and the particle diameter of the mineral source nitro humic acid is 60-100 meshes. The soil conditioner is prepared by combining the mineral source nitro humic acid and the desulfurized gypsum, so that the consequences of cation exchange limitation, crop growth inhibition, moisture absorption and caking and the like caused by improvement by independently using the desulfurized gypsum can be avoided. The mineral source nitro humic acid contains more acidic functional groups, so that positive ions in the soil can be adsorbed and exchanged, heavy metals in the desulfurized gypsum can be adsorbed, complexed and solidified, and the influence of the heavy metals on plants is reduced. Compared with a biomass charcoal-desulfurized gypsum soil conditioner, the mineral source nitro humic acid is adopted as the raw material, the content of humus in the raw material is high, desulfurized gypsum is effectively utilized, and meanwhile the problem of environmental pollution caused by accumulation of the desulfurized gypsum is solved.

The present application relates to humic acid production technical field, disclose a kind of for nitro humic acid production flue gas processing system, it includes: condenser, oxygen device, spray tower, first spray tower, second spray tower and circulation pipe;Condenser is connected with the flue gas outlet of activation reactor;Spray tower is connected with condenser, oxygen device respectively;Spray tower is equipped with sprayer and first liquid cavity in upper and lower interval, the upper side of first liquid cavity is connected with first exhaust pipe;First spray tower is connected with oxygen device, first exhaust pipe respectively;First spray tower is equipped with first filler and second liquid cavity in upper and lower interval, the upper side of second liquid cavity is connected with second exhaust pipe;Second spray tower is connected with second exhaust pipe;Second spray tower is equipped with second filler and third liquid cavity in upper and lower interval, the upper side of third liquid cavity is connected with third exhaust pipe;Circulation pipe is connected third liquid cavity, third liquid cavity is communicated with sprayer, first filler and second filler by circulation pipe, guarantee the stability of flue gas treatment.

This invention provides a method for applying soil conditioner under a wheat-corn rotation pattern in saline-alkali land, relating to the field of agricultural technology. The method includes the following steps: planting wheat in saline-alkali land and applying soil conditioner A and soil conditioner B, harvesting the wheat the following year; then planting corn and applying soil conditioner A, harvesting the corn in the same year, completing a one-year rotation; repeating the above operations for year-round rotation; wherein soil conditioner A comprises: 30-70 parts nitrohumic acid and 55-95 parts polyacrylamide; soil conditioner B comprises: 40-60 parts kaolinite, 4-8 parts illite, 4-8 parts quartz, 0.5-1 part chlorite, 1-2 parts calcite, 1-2 parts andesite, 0.5-1 part albite, and 0.5-1 part pyrite. Rotating crops in this manner can increase wheat and corn yields in saline-alkali land and reduce the total salt content of the saline-alkali land.

This invention relates to the field of fertilizers, providing a humic acid-based compound fertilizer, its preparation method, and its application. By weight, the humic acid-based compound fertilizer comprises the following raw materials: 30-40 parts of potassium nitrohumate slurry, 15-25 parts of monoammonium phosphate, 15-20 parts of urea, 5-10 parts of potassium dihydrogen phosphate, 3-5 parts of trace element chelate solution, and 0.5-1 parts of sulfonate filtration reducer. The humic acid-based compound fertilizer provided by this invention solves the water solubility problem of traditional humic acid and has the advantage of complete nutrition. It can efficiently promote crop growth and is applicable to economic crops such as melons, fruits, vegetables, underground root crops, flowers, and medicinal herbs.

The invention provides a high-temperature-resistant drilling fluid as well as a preparation method and application thereof, and the high-temperature-resistant drilling fluid comprises the following components in parts by mass: 100 parts of water, 0-1 part of sodium bentonite, 0-1 part of an additive and 0-1 part of a lubricant. The drilling fluid is prepared from the following components in parts by mass: 0-1 part of sodium bentonite, 0-1 part of sepiolite, 0.5-1 part of a pH regulator, 2-3 parts of a high-temperature-resistant tackifier, 3-5 parts of a modified nitrohumate filtrate reducer, 3-5 parts of a blocking agent, 1-2 parts of a dispersing agent, 0.5-2 parts of a high-temperature-resistant suspending agent, 2-6 parts of a lubricating agent, 20-40 parts of composite salt and a proper amount of a weighting agent, wherein the mass fraction of the sodium bentonite and the mass fraction of the sepiolite are not 0 at the same time. The high-temperature-resistant drilling fluid disclosed by the invention can resist the temperature of 240 DEG C, has good rheological property and relatively low filter loss under high-temperature and high-pressure conditions, is good in thermal stability, high in suspension stability and high in rock carrying capacity, and can meet the construction requirements of a hot dry rock ultrahigh-temperature well section.

The invention relates to the technical field of plant liquid fertilizers, in particular to a liquid fertilizer for rapidly improving plant growth and a preparation method thereof, and the liquid fertilizer is prepared from the following components in parts by weight: 750-1000 parts of basic fermentation liquor, 84.1-151.2 parts of nutritional components, 5-15 parts of compound microbial agent, 100-120 parts of natural enzyme and 20-40 parts of wood wax liquid, the basic fermentation liquor is prepared from 600 to 700 parts of monosodium glutamate leftovers and 150 to 250 parts of purified water; the nutritional component is prepared from 40 to 60 parts of potassium humate, 14 to 35 parts of urea, 28 to 42 parts of monopotassium phosphate and 2.1 to 4.2 parts of adenosine triphosphate. According to the liquid fertilizer, macromolecular substances are efficiently converted into micromolecular active substances through a synergistic fermentation process of the specific complex microbial inoculants, nitrohumic acid, wood vinegar and other natural substances, rich beneficial metabolites are generated, and the liquid fertilizer has the multiple functions of fast absorption, comprehensive nutrients, growth promotion, disease resistance and insect repelling.