yeah You can....
When you Decarb the cannabis, Heat It up to 315 for a half an hour...(having never done this 1/2 hour is a guess might want a full hour)
This works because THC's boiling point is 314.6 F and CBD is 320-356 F
Here is more boiling points for shits and giggles:
Δ-9-tetrahydrocannabinol (THC)
Boiling point:157*C / 314.6 degree Fahrenheit
Properties: Euphoriant, Analgesic, Antiinflammatory, Antioxidant, Antiemetic
cannabidiol (CBD)
Boiling point: 160-180*C / 320-356 degree Fahrenheit
Properties: Anxiolytic, Analgesic, Antipsychotic, Antiinflammatory, Antioxidant, Antispasmodic
Cannabinol (CBN)
Boiling point: 185*C / 365 degree Fahrenheit
Properties: Oxidation, breakdown, product, Sedative, Antibiotic
cannabichromene (CBC)
Boiling point: 220*C / 428 degree Fahrenheit
Properties: Antiinflammatory, Antibiotic, Antifungal
Δ-8-tetrahydrocannabinol (Δ-8-THC)
Boiling point: 175-178*C / 347-352.4 degree Fahrenheit
Properties: Resembles Δ-9-THC, Less psychoactive, More stable Antiemetic
tetrahydrocannabivarin (THCV)
Boiling point: < 220*C / <428 degree Fahrenheit
Properties: Analgesic, Euphoriant
Terpenoid essential oils, their boiling points, and properties
β-myrcene
Boiling point: 166-168*C / 330.8-334.4 degree Fahrenheit
Properties: Analgesic. Antiinflammatory, Antibiotic, Antimutagenic
β-caryophyllene
Boiling point: 119*C / 246.2 degree Fahrenheit
Properties: Antiinflammatory, Cytoprotective (gastric mucosa), Antimalarial
d-limonene
Boiling point: 177*C / 350.6 degree Fahrenheit
Properties: Cannabinoid agonist?, Immune potentiator, Antidepressant, Antimutagenic
linalool
Boiling point: 198*C / 388.4 degree Fahrenheit
Properties: Sedative, Antidepressant, Anxiolytic, Immune potentiator
pulegone
Boiling point: 224*C / 435.2 degree Fahrenheit
Properties: Memory booster?, AChE inhibitor, Sedative, Antipyretic
1,8-cineole (eucalyptol)
Boiling point: 176*C / 348.8 degree Fahrenheit
Properties: AChE inhibitor, Increases cerebral, blood flow, Stimulant, Antibiotic, Antiviral, Antiinflammatory, Antinociceptive
α-pinene
Boiling point: 156*C / 312.8 degree Fahrenheit
Properties: Antiinflammatory, Bronchodilator, Stimulant, Antibiotic, Antineoplastic, AChE inhibitor
α-terpineol
Boiling point: 217-218*C / 422.6-424.4 degree Fahrenheit
Properties: Sedative, Antibiotic, AChE inhibitor, Antioxidant, Antimalarial
terpineol-4-ol
Boiling point: 209*C / 408.2 degree Fahrenheit
Properties: AChE inhibitor. Antibiotic
p-cymene
Boiling point: 177*C / 350.6 degree Fahrenheit
Properties: Antibiotic, Anticandidal, AChE inhibitor
borneol
Boiling point: 210*C / 410 degree Fahrenheit
Properties: Antibiotic, Δ-3-carene 0.004% 168 Antiinflammatory
Δ-3-carene
Boiling point: 168*C / 334.4 degree Fahrenheit
Properties: Antiinflammatory
Flavonoid and phytosterol components, their boiling points, and properties
apigenin
Boiling point: 178*C / 352.4 degree Fahrenheit
Properties: Anxiolytic, Antiinflammatory, Estrogenic
quercetin
Boiling point: 250*C / 482 degree Fahrenheit
Properties: Antioxidant, Antimutagenic, Antiviral, Antineoplastic
cannflavin A
Boiling point: 182*C / 359.6 degree Fahrenheit
Properties: COX inhibitor, LO inhibitor
β-sitosterol
Boiling point: 134*C / 273.2 degree Fahrenheit
Properties: Antiinflammatory, 5-α-reductase, inhibitor