37results about How to "Sulfur resistance" patented technology

A solid oxide fuel battery anode and the preparation method, the characteristic is: adulterates the titanic mine cadmium acid lanthanum or the titanate compound oxide as the anode structure framework and the main electron conducting phase, uses the ion infusing method, the macromolecule modeling board method, the sol-gel method, or the suspending grain pulp spreading method, prepares the nanometer grain anode active substance multi-hole film with the thickness of 0.05-5 micron in the inner and outer hole surface of the multi-hole anode structure framework; the anode active substance includes the ceric oxide, or the adulterating ceric oxide, or the zirconia based oxygen ionic conductor electrolyte, or the cerate based proton conductor electrolyte, or the mixture of the above active substance, or the above active substance adding a small quantity of Ni or Ni-Cu and V2O5. The invention is structure stabilization, high conducting rate, high catalyzing activity of the fuel oxidation, matching with the closing material at physics and chemistry, structure size stabilization, anti-carbon deposition, is fit for the fuel operation of the hydrocarbon directly.

A catalyst for preparing low-carbon alcohol mixture from synthetic gas contains Mo (2-40 %), Ni (4-10%), Mn (0.1-5.0%), K (5-15%), S (20-40%) and bentone, and is prepared through reaction of ammonium sulfide solution or hydrogen sulfide gas on ammonium molybdate, adding concentrated acetic acid, thermal stirring, cooling for deposition, adding deionized water for dissolving doposit to obtain solution of ammonium thiomolybdate, dropping the solution along with the mixed solution of nickel acetate and manganese acetate in acetic acid to form black deposit, filtering, washing, baking, mixing with bentone, and tabletting. Its advantages are high resistance to S and no carbon deposit.

The invention relates to a catalyst for removing alkene material flow impurity through deep purification at room temperature, a preparation method and an application thereof. According to the invention, the catalyst takes cobalt in an oxidation state as an active component, zinc oxide is taken as a first auxiliary agent, cerium oxide is taken as a second auxiliary agent, the weight ratio of the cobalt in the oxidation state to zinc to cerium is 10-95: 1-30: 1-40, a coprecipitation method is employed for preparation, cobalt in the oxidation state as an active component, zinc oxide and cerium oxide are taken as the auxiliary agents, the prepared nano cobalt-zinc-cerium composite metal oxide catalyst has a sea urchin-shaped microscopic microstructure, and has the advantages of large specific surface area, small particle size, strong CO adsorption capability, and high oxygen vacancies activity, CO can be thoroughly removed (less than or equal to 5ppb) at room temperature, the catalyst has good anti-sulfur performance and water resistance performance, stability is good, and the preparation technology is simple. The catalyst does not require reduction and activation, microscale carbon monoxide in the alkene material can be deeply removed to 5 ppb or below under condition from room temperature to subzero (-20 DEG C-40 DEG C), and can be used in fields of petrochemical industry and environmental protection.

The invention discloses a 120ksi primary grade sulfur-resistant drill pipe, which comprises the following chemical elements in percentage by weight: 0.24 to 0.30 percent of C, 0.1 to 0.5 percent of Si, 0.8 to 1.4 percent of Mn, 0.8 to 1.4 percent of Cr, 0.5 to 0.8 percent of Mo, 0.05 to 0.10 percent of V, 0.01 to 0.05 percent of Nb, 0.002 to 0.007 percent of Ca, less than or equal to 0.015 percent of P, less than or equal to 0.005 percent of S, and the balance of Fe and other inevitable impurities. Correspondingly, the invention also provides a manufacturing process of the 120ksi primary grade sulfur-resistant drill pipe, wherein the 120ksi primary grade sulfur-resistant drill pipe has a certain capability of sulfur resistance while maintaining the strength of 120ksi grade by controlling a quenching step and a tempering step. Furthermore, the primary sulfur-resistant drill pipe has the advantage of low cost.