4 results about "Suspension substance" patented technology

The invention provides a treatment method of papermaking chemimechanical pulp wastewater. The treatment method comprises the following steps: carrying out air flotation treatment on the papermaking chemimechanical pulp wastewater by using an air flotation machine, and adding a chemical agent into the air flotation machine; mixing the chemimechanical pulp wastewater subjected to air flotation treatment with paper machine wastewater according to a preset proportion; and adding a flocculating agent into the mixed wastewater for precipitation. According to the papermaking chemimechanical pulp wastewater treatment method provided by the embodiment of the invention, the air flotation treatment section is added before preliminary precipitation, the chemical agent is added in the air flotation treatment process to adsorb suspended substances in the chemimechanical pulp wastewater, and adsorbed floccules are discharged through the air flotation section, so that the phenomenon of'floating sludge 'does not occur any more when the adsorbed floccules are mixed with paper machine wastewater subsequently; further, a flocculating agent can be continuously added into the primary sedimentation tank for flocculation and sedimentation, and a subsequent treatment process is carried out; the treatment method can greatly reduce the treatment pressure of the wastewater system and improve the treatment effect of the wastewater treatment system.

The present application relates to a kind of oil-removing denitrification phosphorus-removing agent for treating domestic sewage and its preparation, method for using, phosphorus-removing agent is prepared from the following weight parts of raw materials: 15-29 parts of dodecyl imidazoline, 18-35 parts of sodium alginate, 10-30 parts of coconut shell powder, 20-40 parts of potassium ferrate, 15-45 parts of microcrystalline cellulose.The composite phosphorus-removing agent can not only remove oil, denitrification and phosphorus, but also the consumption of reagent is only 1 / 4 of conventional phosphorus-removing agent, when using, a certain amount of iron-containing aluminate waste water is introduced into domestic sewage and mixed according to proportion, and the sedimentation tank process is changed into flotation process, then the composite phosphorus-removing agent is added, and the suspended substance in water is used to collect iron-aluminum phosphorus compound, after such modification, various harmful substances in water quality are removed, and the consumption of phosphorus-removing agent is also greatly reduced.

This invention relates to the field of water quality testing technology, specifically to a method for detecting suspended solids content in water, comprising at least the following steps: S1, collecting a water sample and obtaining a filter membrane carrying suspended solids through suspended solids separation; S2, drying and cooling the filter membrane to constant weight, and then using a beta-ray particulate matter analyzer to obtain the mass concentration Δ of suspended solids trapped on a unit area of ​​the filter membrane. mS S3. The mass concentration of suspended solids in the water sample is calculated using a formula. The detection method used in this application can effectively analyze suspended solids in the range of 0.05-1000 mg / L, and the analytical method is stable and reliable, with high accuracy of analytical results, short detection time for single samples, and high detection efficiency.

An aqueous pigmented ink for use in a capillary reservoir system comprises at least one pigment, at least one water-dispersible, film-forming component, about 0.5 to about 4.5 wt % of at least one suspension substance and about 0.01 to about 0.5 wt % of a gel former combination in an aqueous vehicle, the gel former combination comprising at least one mineral gel former and at least one organic thickener.