NOVELTY - SAPO-35 molecular sieve comprises anhydrous chemical composition containing alkylol amine and compound containing choline cation, and mixture of silicon, aluminum and phosphorus.    USE - SAPO-35 molecular sieve is used in catalyst for converting oxygen-containing compound into alkene, catalyst for acid catalyzed reaction e.g. methanol-to-olefin reaction and adsorbent used for separation of methane/carbon dioxide and nitrogen/carbon dioxide (all claimed).    DETAILED DESCRIPTION - SAPO-35 molecular sieve comprises anhydrous chemical composition of formula: mR1.nCh+.(SixAlyPz)O2 (I).    R1=alkylol amine;    Ch(power +)=choline cation;    m=0-0.03-0.25;    x=0.01-0.30;    y=0.4-0.6;    z=0.25-0.49;and    x+y+z=1.    INDEPENDENT CLAIMS are included for the following:    (1) manufacture of SAPO-35 molecular sieve, which involves preparing initial gel mixture containing alkylol amine and compound containing choline cation, silicon dioxide, aluminum oxide, phosphorus pentoxide, water and diglycolamine, introducing the prepared mixture into a high pressure synthesis kettle and tightly-closing the kettle, increasing the temperature to 150-220 degrees C, crystallizing the initial gel mixture under self-generated pressure for 5-72 hours, separating solid product after completion of the crystallization, washing the product to-be-neutral with deionized water, and drying the product. The mol ratio of silicon dioxide and aluminum oxide, and phosphorus pentoxide and aluminum oxide is 0.01-1.5 and 0.5-3, respectively. The mol ratio of water and aluminum oxide, and compound containing choline cation and aluminum oxide is 3-20 and 0.01-3, respectively. The mol ratio of alkylol amine and aluminum oxide is 3-30;    (2) catalyst for acid catalyzed reaction, which is obtained by air roasting of the SAPO-35 molecular sieve;    (3) catalyst for preparing alkene by conversion reaction of oxygen-containing compounds, which is obtained by air roasting of the SAPO-35 molecular sieve; and    (4) adsorbent used for separation of methane/carbon dioxide and nitrogen/carbon dioxide, which is obtained by air roasting of the SAPO-35 molecular sieve.