405results about How to "Reduce sewage" patented technology

The invention discloses a method for producing corrugated paper with ultralow gram weight and high strength. The method comprises the following technological steps: 1) mixing; 2) addition of water for size degradation to prepare pulp; 3) pulp combination and purification treatment; 4) medium-concentration pulping; 5) addition of a chemical medicine system into the pulp; 6) twin-wire forming, water filtration and paper-making with the pulp; 7) three-stage squeezing dehydration; 8) prebaking and drying; 9) double-faced sizing; 10) postbaking and drying; and 11) coiling. The method utilizes pulping and paper-making process combination and completely utilizes secondary fiber to make the corrugated paper with ultralow gram weight and high strength so as to reduce the gram weight of the corrugated paper, save the fiber amount, reduce the production cost, and simultaneously reduce the energy consumption and the discharge capacity and improve the economic benefit.

The invention relates to a one-bath one-step process for a dispersing/reactive dye of a cotton-polyester blended fabric. The one-bath one-step process mainly comprises the following steps performed on the cotton-polyester blended fabric: dispersing/reactive dye one-bath pad dyeing; infrared and hot-air drying in advance; high-temperature baking fixation; padding in a reactive dye fixation solution; steam fixation; water washing; soaping; water washing; drying; terylene dyeing; and obtaining finished cloth. The one-bath one-step process is characterized by fully padding an unstained cotton-polyester blended fabric in a dispersing/reactive dye one-bath solution, introducing infrared and hot air so as to dry 60-70% of water in the fabric in advance, baking at high temperature so as to dye and fix color for polyester fibers, fully padding in the reactive dye fixation solution, performing steam fixation so as to dye and fix color for cotton fibers, and performing the processes of water washing, soaping and water washing so as to fully develop color on the fabric and fully wash off the surface dyeing on the fabric, thereby finishing a dyeing process. The dry and wet grinding fastness can fully meet the customer demand.

The invention relates to a steam stripping method of process condensate in CO conversion. The invention is characterized in that the process condensate firstly enters the upper part of a carbon dioxide steam stripping tower for flashing evaporation; secondary steam from the upper part of an ammonia-evaporated steam stripper tower enters the bottom part of the carbon dioxide steam stripping tower and steam strips carbon dioxide by countercurrent contacting with the process condensate after flashing evaporation; the process condensate after flash evaporation and the steam stripped carbon dioxide carry out countercurrent contact; the process condensate after flash evaporation and steam stripping enters the upper part of the ammonia-evaporated steam stripper tower from the bottom part of the carbon dioxide steam stripping tower and is steam-stripped by low-pressure steam entering from a kettle of the ammonia-evaporated steam stripper tower; gas phase is treated by secondary condensation to obtain non-acid-coagulated gas and condensate sewage; and steam stripping water is obtained from the bottom part of the ammonia-evaporated steam stripper tower. The invention carries out steam stripping on the upper and lower towers to carbon dioxide and ammonia in the process condensate respectively, thus avoiding the possibility of coexistence of carbon dioxide and ammonia in a condensing system, effectively solving the problem that the steam stripping system of the process condensate in the conversion procedure occurs ammonium salt crystallization blockage and prolonging the period of stable operation of a conversion device.

The invention discloses an electro-absorptive desalination water purifier, which comprises a high-precision pretreatment filter element, an electro-absorptive filter element, an electrical control circuit board, and a water quality probe capable of detecting the content of salinity in water. After suspended substances and particulate matters in raw water are removed through the high-precision pretreatment filter element, then the salinity in the water is removed through the electro-absorptive filter element, the water quality probe is arranged in a water outlet pipeline of the electro-absorptive filter element; the water outlet pipeline is divided into two paths behind the water quality probe; and one path is a fresh water pipeline communicated with a water purification tank, while the other path is a sewage pipeline which is communicated with a sewage tank or is emptied. The water purifier has the advantages that the water purifier can realize the automatic control to the water quality of water outlet by controlling the electric conductivity of the water outlet; hardness components are contained in the salinity, so the desalination water purifier is also a water softener and is particularly suitable for hard water areas in the north of China; after the electro-absorptive filter element has saturated absorption, the electro-absorptive filter element can obtain the regeneration through the desorption, has small discharge capacity during the regeneration, and saves water resources; and concentrated water drained during the regeneration does not contain acid and alkali liquid, and does not pollute the environment.

The invention relates to a method for the color retouching of a raw fabric, in particular to a method for the color retouching of cotton knitted fabric on a forming machine. The method is characterized by comprising the following processing steps: blending a retouching solution, preparing the raw fabric, padding the retouching solution, water scrubbing, drying, napping and forming. By using the method for the color retouching of the cotton knitted fabric, when the color cylinder difference is discovered after the cotton knitted fabric is dyed and enters the finishing procedure after the dryingand the forming, the cotton knitted fabric can be directly retouched on the forming machine; through analytic studies, reactive dyes such as M-2G blue, M-3BE red and M-3RE yellow for the padding areadopted as color retouching dyes; in order to increase the permeability of the raw fabric, a non-ionic penetrating agent is added into a padding solution, simultaneously the padding solution is addedwith anhydrous sodium sulfate and anhydrous sodium carbonate to ensure the water scrubbing chroma of the raw fabric after the color retouching, and the retouching solution can be prepared only according to the chroma; and the chroma can be adjusted to the normal quality standard through the treatments in the processing steps. The process method has the advantages of quick color retouching speed, good accuracy, no influence on other quality indexes of fabrics, cost saving and less discharge capacity.

The invention discloses an intelligent pigsty cleaning device and method. The ground of a pigsty is equally divided into a plurality of identical regions in the left-and-right width direction, a wall on the front side of each region and a wall on the rear side of each region are each provided with an automatic rotary water spray device, and each automatic rotary water spray device is connected with an electric regulating valve through a hard water pipe penetrating through the corresponding wall. An embedded controller controls all cameras to monitor the pollution situations of all the regions of the ground regularly in real time, the polluted regions in need of cleaning can be judged out, the electric regulating valves corresponding to the polluted regions are regulated to be in one third opening, rectangular spray nozzles are controlled to spray water at low speed from bottom to top in a rotary mode, and pigs are evacuated to be made to enter the rest of the regions. The embedded controller processes collected images, processing results are matched with preset pigsty ground pollution level thresholds, and the flushing time is determined according to the pollution level; the ground of the pigsty can be flushed comprehensively in a non-dead-corner mode, manual intervention is not needed in the whole process, and therefore the automation degree of pigsty breeding is increased.

The invention discloses a valley-type refuse landfill series multi-partition rain and sewage shunting device and a valley-type refuse landfill series multi-partition rain and sewage shunting method. The device comprises landfill areas spaced by area partition dams, more than four landfill areas are partitioned from upstream to downstream, the landfill areas are connected in series by the same percolate guide and drainage blind ditch, a high-density polyethylene (HDPE) percolate guide duct with perforations is arranged in the percolate guide and drainage blind ditch, the refuse landfills of the landfill areas are sequentially from upstream to downstream, a percolate collecting pit is arranged at the sewage gathering bottom of the landfill area which is being filled, and a sewage submersible pump is arranged in the percolate collecting pit; and the percolate is delivered to a percolate sewage adjusting tank through the sewage submersible pump and a hose. By adopting the device and the method, the problem of rain and sewage shunting of a newly built valley-type landfill can be well solved; and the generating quantity of the sewage of the landfill is greatly reduced, so that the scale of percolate treatment equipment and facilities is reduced, a large amount of percolate and sewage treatment cost is reduced, and energy saving and emission reduction are realized.

The invention provides a coal chemical industry waste water treatment technology. The coal chemical industry waste water treatment technology comprises the following steps of firstly performing an ammonia-phenols removal treatment technology on organic waste water in coal chemical industry waste water so as to obtain treated waste liquid; then performing a biochemical treatment technology on the treated waste liquid obtained in the above step so as to obtain biochemical treatment water; then performing a concentrating treatment technology on the biochemical treatment water obtained in the above step and salt-containing waste water so as to obtain reuse water and high-salt waste water; and finally performing a strong brine treatment technology on the high-salt waste water obtained in the above step so as to obtain salt-containing materials, wherein the ammonia-phenols removal treatment technology comprises a deacidification and ammonia removal working procedure, an extraction working procedure, a solvent removal working procedure, a solvent reclaiming working procedure, a waste liquid separation system, a solvent storage working procedure and an alkali liquid preparation working procedure. According to the coal chemical industry waste water treatment scheme provided by the invention, through gradient utilization and repeated utilization of the waste water, the use of fresh water resources is furthest reduced, so that the water consumption of projects can be fully reduced, and zero drainage of polluted water is realized.

The present invention relates to a pure cotton garment washing, dyeing and finishing process. Said process successively includes the following steps: preparing cotton yarn, weaving, placing pure cotton garment into garment dyeing machine, preparing scouring and bleaching solution according to technological formula, scouring and bleaching to predefined time, washing, neutralization, washing; using cationic modifying agent whose dose is 1-3% of garment weight to make cotton fiber undergo the process of cationic modification treatment to predefined time; thermostatical dyeing to predefined time, washing, soaping, washing; using cellulose whose dose is 2% of garment weight to make enzymatic washing (polishing treatment) to predefined time, under the alkaline condition stopping enzymatic active action; dewatering, drying and finalizing the design.

The invention relates to a method for fulfilling the fabric finishing and refining by use of biological enzyme in one time, which uses natural starch or converted starch or both starch and PVA as main sizing materials, wherein the fabric has good comfort, a puff and soft hand feeling, short technical process, simple device, little energy consumption, small polluted water and is suitable for mass production with good economy and social benefits.

The invention relates to a clean modified briquette and method for preparing same, wherein the briquette is prepared from (by weight ratio) the following raw materials, super fine coal powder 10-20%, coal gangue or stone coal or kerosene shale or mushy coal 30-70%, purification powder 1-5%, complexing agent 1-5%, adhesive 8-10%, water 0-15, and balancing glance coal. The invention can be applied for diminishing pollution discharge.

The invention relates to a method for preparing a trivalent cation doped Ni-Co-Mn ternary material by direct precipitation. The method is characterized in that the molar ratio x:y:z:k:m of Ni, Co, Mn,Li and doped trivalent M cation meets the condition that x:y:z:m is equal to (0.47-0.52):(0.10-0.20):(0.26-0.35):(0.01-0.10) or (0.57-0.62):(0.10-0.19):(0.15-0.25):(0.01-0.10), or (0.77-0.82):(0.05-0.10):(0.05-0.13):(0.01-0.10), wherein, k is not less than 0.95, and not more than 1.10, and the sum of x, y, z and m is 1. Weighed Ni, Co, Mn, Li and doped trivalent M cation are mixed with a wet-milling medium, ammonia liquor and a lithium compound are added, and the trivalent cation doped Ni-Co-Mn ternary material is prepared through steps of aging, drying, sintering and the like.

The present invention relates to azeotopic distillation process for separating butanol and butyl acetate. The technological process is completed with the apparatus including rectification tower (1), rectification tower (5), rectification tower (9), kettle reboiler, condensate cooler and phase splitting tank. The technological process includes feeding the material liquid in the middle part of rectification tower (1) and refluxing partial heavy water phase into the tower; refluxing light phase; obtaining butanol product in the kettle; refluxing partial light phase while recovering partially to the rectification tower (5); refluxing partial light phase while obtaining butyl acetate product in rectification tower (5); and feeding the heavy phase to rectification tower (9) and obtaining pure water in the kettle. The present invention has low power consumption, less side products, high butanol product quality, recovery of butyl acetate and high economic effect.

The invention discloses a physical sewage treatment system used for sewage treatment from the source, comprising a solid-liquid separation device and a settling device. The solid-liquid separation device is provided with a solid-liquid separator, and a separation water inlet, a separation water outlet and a separation sewage discharging port of the solid-liquid separator; the settling device comprises a settling shell the bottom of which is provided with a settling sewage discharging port, a water inlet hose and a water outlet hose are arranged in the settling shell, the water inlet end of the water inlet hose is connected with the separation water outlet of the solid-liquid separation device, the water outlet end of the water inlet hose is connected with a hollow floating disk, the outline of the floating disk adapts to that of the cross section of the settling shell, and a plurality of through holes are uniformly distributed in the annular area of the bottom surface, close to the edge; a floating disk water outlet is arranged on the bottom of the floating disk and is connected with the water inlet end of the water outlet hose, and the water outlet end of the water outlet hose extends out of the settling shell. The sewage treatment system can be used for treating sewage timely from the pollution sources, thus reducing or avoiding the phenomenon that sewage enters public water body.

The invention belongs to the textile field, and particularly relates to novel slub yarn which is manufactured from regenerative cotton and has a special style. Meanwhile, the invention discloses a processing method of the slub yarn. The slub yarn manufactured from regenerative cotton is characterized by being composed of base yarn and auxiliary yarn, wherein the adding proportion of the base yarn is 90%-75%, and the adding proportion of the auxiliary yarn is 10%-25%. The auxiliary yarn is made of the regenerative cotton and other fibers, wherein the proportion of the regenerative cotton is 10%-40%, the proportion of the other fibers is 90%-60%, and the slub yarn is manufactured from the base yarn and the other fibers. The slub yarn manufactured from regenerative cotton not only has the special style, but also enables the regenerative cotton to be effectively used, and meanwhile, the processing method for manufacturing the slub yarn is provided.

Method for extracting oils, proteins and fermentable sugars from vegetable material in an aqueous medium, includes:

• • a) adding water to the vegetable material;
  • b) adding an enzyme mixture containing at least one cellulase, at least one hemicellulase, and at least one pectinase, the ratio between the pectinase activity and the cellulase activity being at least 0.14, and the ratio between the pectinase activity and the hemicellulase activity being at least 7.10⁻³, the pectinase activity being less than 120 μmol/min/mL;
  • c) incubating the vegetable material and the enzyme mixture with stirring to release oils, proteins and fermentable sugars in the reaction medium;
  • d) separating the reaction medium to obtain free oil, an aqueous phase containing proteins and fermentable sugars, and a solid phase;
  • e) optionally separating and recycling an emulsion of free oil or aqueous phase, to the medium;
  • f) separating the proteins and fermentable sugars from the aqueous phase.

Provided is a microorganism rapid degumming and warm water retting method for flax. The inventive retting method for flax comprises: activating the bacterial for 24 hours at 30 DEG C by pectin solid medium, inoculating the activated bacterial with the 1 wt.% of the flax protocorm in the retting container to the retting container, in which the flax protocorm is soaked for 2-4 hours in warm water, then topping up the retting container with clean water, heating to 30-37 DEG C, meanwhile adding 46.3-92.6 g/m3 sodium chloride and 92.6-129.6 g/m3 urea, finishing the retting after 78-100 hours. The method can shorten the zymolysis cycle, improve the yield rate of the flax fiber, increase the intensity of the flax fiber, improve the flax fiber quality, reduce the sewage in the retting.