90results about How to "Easy to achieve separation" patented technology

The invention relates to a method for preparation of low carbon alcohol by hydrogenolysis of sugar and sugar alcohol. The method adopts sugar and sugar alcohol as the raw materials, takes one or more than two of iron, cobalt, nickel, copper, zinc, tin, platinum, ruthenium, palladium, iridium and other transition metals as the catalyst active component, and employs a rare earth oxide like promethium oxide, gadolinium oxide, terbium oxide, holmium oxide, erbium oxide, thulium oxide, cerium oxide, lanthanum oxide, praseodymium oxide, neodymium oxide, scandium oxide, yttrium oxide, dysprosium oxide, europium oxide, samarium oxide, ytterbium oxide, lutecium oxide and the like as the assistant. Under a temperature of 150-320DEG C and an H2 pressure of 1-20MPa, catalytic hydrocracking is carried out in a water solution to obtain ethylene glycol, propylene glycol, glycerol and other low carbon alcohols. The method provided by the invention has the advantages that: the rare earth oxide is added as the assistant to realize hydrocracking of sugar and sugar alcohol, rare earth oxides are insoluble in water and easy to separate, and at the end of reaction, the reaction system has no need for additional acid to neutralize.

The invention relates to a device for automatically and efficiently crushing reinforced concrete cut material blocks. A conveying roller table is arranged on a working platform, and comprises a material block crushing roller table and a concrete rib separating roller table; a discharging gap is reserved between adjacent conveying rollers of the material block crushing roller table; the conveying rollers are arranged in a way of being sparse in the front and dense in the rear; a plier force crushing mechanism and a roll compaction crushing mechanism are erected above the material block crushingroller table; a receiving belt conveyor is arranged under the material block crushing roller table; the plier force crushing mechanism comprises a hydraulic plier group sequentially arranged in the material block conveying direction; the roll compaction crushing mechanism comprises a compaction roller group sequentially arranged in the material block conveying direction; the concrete rib separating roller table is arranged outside the working platform in an overhead way; a hopper is arranged at the outlet end of the receiving belt conveyor; a feeding belt conveyor is carried under the hopper;and a selecting chamber for storing reinforcing steel bars is carried at the outlet end of the concrete rib separating roller table. The device provided by the invention can be used for efficiently crushing wastes and effectively separating the reinforcing steel bars and the concrete, and is the concrete material block cutting device with a high popularization value and a wide application range.

The invention belongs to the technical field of resourceful utilization of organic solid wastes, and specifically discloses a method for preparing carbon black from pyrolysis coke of a waste tire through molten salt heat treatment, and a product prepared by using the same. The method comprises the following steps: heating one or two selected from the group consisting of a metal chloride salt groupand a metal sulfate salt group so as to obtain molten salt; adding the pyrolysis coke of the waste tire into the molten salt, and carrying out molten salt heat treatment under a preset reaction atmosphere; and after completion of a reaction, separating a reaction product into secondary molten salt and treated pyrolysis coke, washing treated pyrolysis coke with hot water, carrying out drying so asto obtain the carbon black, and recycling the secondary molten salt at the same time. According to the invention, by utilization of the melting characteristic of the molten salt, impurity componentsin the pyrolysis coke of the waste tire are dissolved out, so the use of strong acids and strong alkalies like nitric acid, hydrochloric acid and an alkali liquor is avoided; meanwhile, through addition of metal chloride salt, the low-temperature melting characteristic of the molten salt is reinforced; and by utilization of metal sulfate salt, acidic gases like hydrogen sulfide and hydrogen chloride are captured in situ at the same time.

The invention discloses a refining slag for purifying and de-aluminizing silicon iron, and a preparation method. According to the refining slag for de-aluminizing the silicon iron prepared through themethod, not only can the preparation cost be reduced, but also a melting point and the density of the refining slag can be greatly reduced, the slag-gold separation can be easily realized, common silicon iron with a high aluminum content with relatively low cost can be treated into low-aluminum silicon iron with relatively high cost, and the use cost of the alloy in the smelting process is further reduced. Meanwhile, wastes produced in the continuous casting production process are used for preparing the refining slag so as to be high-efficiently and reasonably utilized, so that the sustainability of resources is realized.

Nanometer-graphene-modified blue-green alga based composite bio-plastic is disclosed. The bio-plastic includes, by weight, 130-135 parts of blue-green algae, 9-10 parts of lactobacillus delbrueckii, 7-8 parts of pycnoporus sanguineus spore liquid, 16-17 parts of lactose, 9-10 parts of nanometer graphene, 10-11 parts of konjac glucomannan, 50-55 parts of pearl fibers, 56-57 parts of bamboo fibers, 24-25 parts of shell powder, 8-9 parts of vinyl methoxy silane, 7-8 parts of polyvinyl alcohol and a proper amount of water. The pearl fibers, the bamboo fibers and the shell powder in cooperation with a blue-green alga fermentation deep-processing product are adopted to prepare the bio-plastic under actions of a crosslinking agent that is the vinyl methoxy silane. The bio-plastic has biodegradability and has characteristics of high toughness and good tensile strength. The added nanometer graphene has an effect of enhancing a barrier property of the bio-plastic.

The invention discloses a superionic conductor type multifunctional catalytic material which comprises an NASICON (Sodium Super Ionic Conductor) type Me(1-x)Ti2(PO4)3-x(SO4)x catalytic host material and a V metallic oxide. The multifunctional catalytic material comprises the following components in percentage by mass: 85-99.5% of Me(1-x)Ti2(PO4)3-x(SO4)x and 0.5-15% of V2O5, wherein Me in the material Me(1-x)Ti2(PO4)3-x(SO4)x is one of H, Cu and Ni or a mixture of Cu and Ni, and x is equal to 0.5-1. The superionic conductor type multifunctional catalytic material disclosed by the invention hasthe advantages of high activity, excellent selectivity, low cost and low toxicity.

The invention discloses a reinforced deep-denitrifying device with a multi-point water-inflow coupling fixed film and relates to a denitrifying device, which aims at solving the problem that total nitrogen removing rate is limited by an existing stepped water-inflow A(Anoxic / O(Oxic) process, flow is complex, floor space is large, capital investment is high, deep-denitrifying control requirements are high and a control structure is complex. A flow rate regulating tank, a first-section main body structure and a second-section structure are arranged in sequence from the left to the right; a first-section mechanical stirring device and a second-section mechanical stirring device are respectively arranged in a first anoxic area and a second anoxic area, respectively; a first-section aerobic aeration area tube and a second-section aerobic area aeration tube are respectively arranged in a first aerobic area and a second aerobic area; a third-section main body structure and a rear anoxic tank are arranged in sequence from the left to the right; a third mechanical stirring device is arranged in a third anoxic zone; a rear anoxic area mechanical stirring device is arranged in the rear anoxic tank. The reinforced deep-denitrifying device disclosed by the invention is used for deep denitrifying of domestic wastewater and nitrogen-containing industrial wastewater of medium and small cities and towns.