PATENT CLAIM ANALYSIS

Application Number: 15888019
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-06
Patent Classification: ["502", "060000"]

Abstract:
The present invention relates to a hydroisomerization and cracking catalyst for preparing biological aviation kerosene from castor oil as well as a preparation method and an application thereof. The catalyst takes a Al-modified titanium silicate molecular sieve (TS-1) as a carrier, and takes Ni x W and Ni x Mo as active components, wherein x is the atomic ratio of Ni to W or Ni to Mo, and x=5-10, wherein the mass of the active components accounts for 5-30% of the total mass of the catalyst; the molar ratio of Si:Ti in the Al-modified titanium silicate molecular sieve is 50-100, and the molar ratio of Si:Al is 50-100.

Claim (Index 3):
A hydroisomerization and cracking catalyst for preparing biological aviation kerosene from castor oil, the catalyst taking a Al-modified titanium silicate molecular sieve (TS-1) as a carrier, and taking NixW and NixMo as active components, wherein x is an atomic ratio of Ni to W or Ni to Mo, and x=5-10, wherein the mass of the active components accounts for 5-30% of the total mass of the catalyst; a molar ratio of Si:Ti in the Al-modified titanium silicate molecular sieve is 50-100, and the molar ratio of Si:Al is 50-100;\n a specific preparation method comprises the following steps: 1) thoroughly stirring and mixing an aqueous solution of tetrapropylammonium hydroxide with a tetraethoxysilane solution at a temperature of 40-55\u00b0 C. for 0.5-2 h, then adding an isopropanol solution of tetrabutyl titanate to obtain a mixed solution, and then adding aluminium isopropoxide and continuously stirring for 1-3 h; 2) heating, stirring and refluxing the above mixed solution in a water bath with a constant temperature of 75-85\u00b0 C. for 1-3 h to remove the isopropanol from the solution, and then complementing the mass of the solution obtained after refluxing to the value before heating, stirring and refluxing by using deionized water; 3) transferring the above solution into a high pressure reaction kettle to conduct aging at 95-105\u00b0 C. for 4-6 h, then heating to 150-180\u00b0 C. to conduct crystallization for 6-36 h, taking out and washing the sample with deionized water until neutral, calcining in a muffle furnace at 500-550\u00b0 C. for 4-6 h after drying, cooling to room temperature and then placing into an HCl solution of 0.5 mol/L, and heating, stirring and refluxing at 50-60\u00b0 C. for 1-5 h; 4) separating the above obtained sample through suction filtration, washing with deionized water until neutral, and after drying, calcining at 500-550\u00b0 C. for 2-4 h under a nitrogen atmosphere to obtain an Al-modified TS-1 carrier; 5) sequentially adding nickel nitrate, ammonium metatungstate or ammonium molybdate into an aqueous solution of urea according to a ratio under room-temperature stirring conditions stirring for 0.5-1 h until completely dissolved, then adding the Al-modified titanium silicate molecular sieve obtained above and stirring for at least 2 h; and drying the mixture in a rotary evaporator at 80-90\u00b0 C., wherein the added amount of the urea is 2-5% of the mass of the carrier; and 6) calcining the obtained solid powder in an air atmosphere at 550-600\u00b0 C. for at least 2 h, then reducing at 550-600\u00b0 C. at a hydrogen flow rate of 200-300 mL/min for at least 3 h, cooling to room temperature, and then passivating with O2/N2 passivating gases at a volume ratio of 1% for 3 hours to obtain the desired catalyst; and the molar ratio of materials in steps 1) to 2) is SiO2:TiO2:TPAOH:aluminium isopropoxide:isopropanol:H2O=1:0.01-0.02:0.1-0.4:0.01-0.02:0.1-0.5:20-100.

Metadata:
- Claim Count in Document: 7.0
- Percentile: 88.0
- Lexical Diversity: 1.92188
- Patent Class: 502.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15817168', '14477935', '12725939', '12726151', '12515086']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7390183208889833
- 35 USC 102 Novelty (BERT): 0.525929043809059
- Combined Prediction Score: 0.7177093931809909
- Mean Citation Score: 203.968294
- Max Citation Score: 318.7721
- Similarity Product: 265.4272059447408

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test