Crystalline aluminosilicate and process for its production

Claim 2

A process for the production of crystalline aluminosilicate PZ 1 having analytical composition: ______________________________________ 3.0 ± 1.0% Na.sub.2 O 1.5 ± 1.0% Al.sub.2 O.sub.3 85.0 ± 5.0% SiO.sub.2 0.5 ± 0.3% P.sub.2 O.sub.5 5.0 ± 3.0% Loss on Calcining ______________________________________ and an X-ray diffraction pattern having the following lines: ______________________________________ d [Å] I/Io ______________________________________ 15.49 100 9.97 7 9.18 1 7.31 2 5.15 17 4.84 13 4.55 7 4.23 5 3.68 6 3.56 14 3.44 59 3.30 30 3.15 28 2.15 18 1.88 3 1.83 6 ______________________________________ comprising crystallizing said aluminosilicate from an aqueous SiO 2 , Al 2 O 3 and an alkali containing synthesis mixture having a composition as follows: ______________________________________ SiO.sub.2 /Al.sub.2 O.sub.3 = 20-250 Na.sub.2 O/SiO.sub.2 = 0.01-0.5 OH/SiO.sub.2 = 0.01-1.0 T/SiO.sub.2 = 0.01-0.2 H.sub.2 O/SiO.sub.2 = 10-40 ______________________________________ wherein T is an organic template compound of the formula R 3 P--(CH 2 ) n --PR 3 X 2 wherein R is a lower alkyl group, n is an integer from 2 to 6 and X is Br - or I - .

Claim 3

A process according to claim 1 where R is methyl, ethyl, propyl, or butyl.

Claim 4

A process according to claim 2 wherein R is butyl and n is 3.

Claim 5

A process accordng to claim 1 where R is butyl.

Claim 6

A process according to claim 4 comprising stirring the synthesis mixture at a temperature between 90° and 200° C. at autogeneous pressure until the crystals are formed.

Claim 7

A process according to claim 1 comprising stirring the synthesis mixture at a temperature between 90° and 200° C. at autogenous pressure until the crystals are formed.

Claim 8

A crystalline aluminosilicate selected from the group consisting of (1) aluminosilicate PZ1 having analytical composition: ______________________________________ 3.0 ± 1.0% Na.sub.2 O 1.5 ± 1.0% Al.sub.2 O.sub.3 88.0 ± 5.0% SiO.sub.2 0.5 ± 0.3% P.sub.2 O.sub.5 5.0 ± 3.0% Loss on Calcining ______________________________________ and an X-ray diffraction pattern having the following lines: ______________________________________ d [Å] I/Io ______________________________________ 15.49 100 9.97 7 9.18 1 7.31 2 5.15 17 4.84 13 4.55 7 4.23 5 3.68 6 3.56 14 3.44 59 3.30 30 3.15 28 2.15 18 1.88 3 1.83 6 ______________________________________ and (2) aluminosilicate PZ2 ______________________________________ 0.05 ± 0.03% Na.sub.2 0 1.40 ± 0.6% Al.sub.2 O.sub.3 88.0 ± 3.0% SiO.sub.2 0.5 ± 0.2% P.sub.2 O.sub.5 3.0 ± 1.0% Loss on Ignition ______________________________________ and an X-ray diffraction pattern having the following lines ______________________________________ d[Å] I/Io ______________________________________ 13.48 100 7.34 24 3.55 55 3.40 85 1.85 20. ______________________________________

Claim 9

A crystalline aluminosilicate selected from the group consisting of (1) aluminosilicate PZ1 having analytical composition: ______________________________________ 3.0 ± 1.0% Na.sub.2 O 1.5 ± 1.0% Al.sub.2 O.sub.3 88.0 ± 5.0% SiO.sub.2 0.5 ± 0.3% P.sub.2 O.sub.5 5.0 ± 3.0% Loss on Calcining ______________________________________ and an X-ray diffraction pattern having the following lines: ______________________________________ d [Å] I/Io ______________________________________ 15.49 100 9.97 7 9.18 1 7.31 2 5.15 17 4.84 13 4.55 7 4.23 5 3.68 6 3.56 14 3.44 59 3.30 30 3.15 28 2.15 18 1.88 3 1.83 6 ______________________________________ and (2) aluminosilicate PZ2 ______________________________________ 0.05 ± 0.03% Na.sub.2 0 1.40 ± 0.6% Al.sub.2 O.sub.3 88.0 ± 3.0% SiO.sub.2 0.5 ± 0.2% P.sub.2 O.sub.5 3.0 ± 1.0% Loss on Ignition ______________________________________ and an X-ray diffraction pattern having the following lines ______________________________________ d[Å] I/Io ______________________________________ 13.48 100 7.34 24 3.55 55 3.40 85 1.85 20. ______________________________________

Claim 10

A compound according to claim 7 which is aluminosilicate PZ 1.

Claim 11

A compound according to claim 7 which is aluminosilicate PZ 2.

Claim 12

A process for preparing the aluminosilicate PZ 2 of claim 9 comprising treating aluminosilicate PZ 1 with dilute acid.

Claim 13

A process according to claim 10 wherein the acid is mineral acid.

Claim 14

A process according to claim 11 wherein the mineral acid is sulfuric acid or hydrochloric acid.

Claim 15

A process according to claim 12 wherein the mineral acid is hydrochloric acid.

Claim 16

A process of preparing the aluminosilicate PZ 2 of claim 9 comprising subjecting aluminosilicate PZ 1 to ion exchange with NH 4 Cl and when calcining the ion exchanged product.