Embodiment
Embodiment one: raw material: plam oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises MgO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Mg, Al, Fe is 5: 1: 4.
Solid magnetic catalyst obtains by following method: 4 moles FeSO
47H
2O, 2 moles Fe
2(SO
4)
3The distilled water that adds 10 moles, controlled temperature is 50 ℃, slowly adds 0.8 mole ammoniacal liquor in 2 hours uniformly, stirs, and drips off back ageing 1 hour, obtains the precipitation of glossy black look, the supernatant liquor that inclines adds the distilled water repetitive scrubbing then and is precipitated to neutrality, and do not have SO
4 2-, it is standby to get intermediate A; The element mol ratio of pressing Mg, Al, Fe adds MgO, the Al after pulverizing in intermediate A
2O
3, stir into pasty state, add 15 moles distilled water again, in 4 hours, slowly add 4 moles ammoniacal liquor uniformly, stir, be warming up to 60 ℃ after dripping off and continue to stir ageing 6 hours, obtain precipitation, the supernatant liquor that inclines adds the distilled water repetitive scrubbing then and is precipitated to neutrality, intermediate B is standby; With intermediate B in 80 ℃ of vacuum-dryings 12 hours; 500 ℃ of calcination 10 hours in muffle furnace again are transformed into composite oxides, and these composite oxides are solid magnetic catalyst.
50.0 kilograms palm oils and 12.0 kilograms of methyl alcohol are added in the reactor, stir, add 1.5 kilograms of solid magnetic catalysts, under 40 ℃, carry out ester exchange reaction, reacted 2.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 42.1 kilograms of biodiesel behind the purifying of upper strata.
Embodiment two: raw material: soybean oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises MgO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Mg, Al, Fe is 8: 5: 3; All the other are with embodiment one.
50.0 kilograms soybean oils and 8.0 kilograms of methyl alcohol are added in the reactor, stir, add 2.0 kilograms of solid magnetic catalysts, under 70 ℃, carry out ester exchange reaction, reacted 4.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 48.2 kilograms of biodiesel behind the purifying of upper strata.
It is promptly reusable after 2 hours 50 ℃ of calcination to reclaim solid magnetic catalyst.Other gets 50.0 kilograms soybean oil and 8.0 kilograms of methyl alcohol and adds in the reactor, stirs, and adds the solid magnetic catalysts of 2.0 kilograms of recovery calcination, carries out ester exchange reaction under 70 ℃, reacts 4.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 46.9 kilograms of biodiesel behind the purifying of upper strata.
The solid magnetic catalyst calcination that proof reclaims is renewable after 2 hours.And very little to the oil productivity impact.
Embodiment three: raw material: Oleum Gossypii semen, solid magnetic catalyst, ethanol.
Solid magnetic catalyst comprises MgO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Mg, Al, Fe is 12: 3: 5; All the other are with embodiment one.
50.0 kilograms cottonseed oils and 20.0 kilograms of ethanol are added in the reactor, stir, add 4.0 kilograms of solid magnetic catalysts, under 50.0 ℃, carry out ester exchange reaction, reacted 3.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and ethanol, gets 48.5 kilograms of biodiesel behind the purifying of upper strata.
Embodiment four: raw material: catering trade waste oil, solid magnetic catalyst, ethanol.
Solid magnetic catalyst comprises MgO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Mg, Al, Fe is 11: 2: 4; All the other are with embodiment one.
50.0 kilograms waste oil from restaurants and 18.0 kilograms of ethanol are added in the reactor, stir, add 1.5 kilograms of solid magnetic catalysts, under 90 ℃, carry out ester exchange reaction, reacted 2.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and ethanol, gets 46.2 kilograms of biodiesel behind the purifying of upper strata.
Embodiment five: raw material: rapeseed oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises CaO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Ca, Al, Fe is 8: 3: 7.
Solid magnetic catalyst obtains by following method: 4 moles FeSO
47H
2O, 2 moles Fe
2(SO
4)
3The distilled water that adds 10 moles, controlled temperature is 50 ℃, slowly adds 0.8 mole ammoniacal liquor in 2 hours uniformly, stirs, and drips off back ageing 1 hour, obtains the precipitation of glossy black look, the supernatant liquor that inclines adds the distilled water repetitive scrubbing then and is precipitated to neutrality, and do not have SO
4 2-, it is standby to get intermediate A; The element mol ratio of pressing Ca, Al, Fe adds CaO, the Al after pulverizing in intermediate A
2O
3, stir into pasty state, add 15 moles distilled water again, in 4 hours, slowly add 4 moles ammoniacal liquor uniformly, stir, be warming up to 60 ℃ after dripping off and continue to stir ageing 6 hours, obtain precipitation, the supernatant liquor that inclines adds the distilled water repetitive scrubbing then and is precipitated to neutrality, intermediate B is standby; With intermediate B in 80 ℃ of vacuum-dryings 12 hours; 500 ℃ of calcination 10 hours in muffle furnace again are transformed into composite oxides, and these composite oxides are solid magnetic catalyst.
50.0 kilograms rapeseed oils and 10.0 kilograms of methyl alcohol are added in the reactor, stir, add 3.0 kilograms of solid magnetic catalysts, under 40 ℃, carry out ester exchange reaction, reacted 2.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 42.5 kilograms of biodiesel behind the purifying of upper strata.
It is promptly reusable after 2 hours 50 ℃ of calcination to reclaim solid magnetic catalyst.Other gets 50.0 kilograms rapeseed oil and 10.0 kilograms of methyl alcohol and adds in the reactor, stirs, and adds the solid magnetic catalysts of 3.0 kilograms of recovery calcination, carries out ester exchange reaction under 40 ℃, reacts 2.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 41.9 kilograms of biodiesel behind the purifying of upper strata.
The solid magnetic catalyst calcination that proof reclaims is renewable after 2 hours.And very little to the oil productivity impact.
Embodiment six: raw material: Viscotrol C, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises CaO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Ca, Al, Fe is 11: 2: 5; All the other are with embodiment five.
50.0 kilograms castor oil and 16.0 kilograms of methyl alcohol are added in the reactor, stir, add 2.5 solid magnetic catalysts, under 60 ℃, carry out ester exchange reaction, reacted 2.5 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 49.1 kilograms of biodiesel behind the purifying of upper strata.
Embodiment seven: raw material: lard, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises CaO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Ca, Al, Fe is 10: 5: 3; All the other are with embodiment five.
50.0 kilograms lards and 18.0 kilograms of methyl alcohol are added in the reactor, stir, add 2.5 kilograms of solid magnetic catalysts, under 70 ℃, carry out ester exchange reaction, reacted 3.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 48.5 kilograms of biodiesel behind the purifying of upper strata.
Embodiment eight: raw material: plam oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises the Ni that calculates with oxide
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Ni, Zr, Fe is 1: 3: 12.
Solid magnetic catalyst obtains by following method: 4 moles FeSO
47H
2O, 2 moles Fe
2(SO
4)
3The distilled water that adds 10 moles, controlled temperature is 50 ℃, slowly adds 0.8 mole ammoniacal liquor in 2 hours uniformly, stirs, and drips off back ageing 1 hour, obtains the precipitation of glossy black look, the supernatant liquor that inclines adds the distilled water repetitive scrubbing then and is precipitated to neutrality, and do not have SO
4 2-, it is standby to get intermediate A; The element mol ratio of pressing Ni, Zr, Fe adds the ZrO after pulverizing in intermediate A
2, Ni
2O
3, stir into pasty state, add 15 moles distilled water again, in 3 hours, slowly add 2 moles ammoniacal liquor uniformly, stir, be warming up to 60 ℃ after dripping off and continue to stir ageing 6 hours, obtain precipitation, the supernatant liquor that inclines adds the distilled water repetitive scrubbing then and is precipitated to neutrality, intermediate B is standby; With intermediate B in 80 ℃ of vacuum-dryings 12 hours; 500 ℃ of calcination 10 hours in muffle furnace again are transformed into composite oxides, and these composite oxides are solid magnetic catalyst.
50.0 kilograms palm oils and 24.0 kilograms of methyl alcohol are added in the reactor, stir, add 3.0 kilograms of solid magnetic catalysts, under 80 ℃, carry out ester exchange reaction, reacted 2.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 48.2 kilograms of biodiesel behind the purifying of upper strata.
It is promptly reusable after 2 hours 50 ℃ of calcination to reclaim solid magnetic catalyst.Other gets 50.0 kilograms palm oil and 24.0 kilograms of methyl alcohol and adds in the reactor, stirs, and adds 3.0 kilograms of solid magnetic catalysts, carries out ester exchange reaction under 80 ℃, reacts 2.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 48.0 kilograms of biodiesel behind the purifying of upper strata.
The solid magnetic catalyst calcination that proof reclaims is renewable after 2 hours.And very little to the oil productivity impact.
Embodiment nine: raw material: soybean oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises the Ni that calculates with oxide
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Ni, Zr, Fe is 2: 5: 7.All the other are with embodiment eight.
50.0 kilograms soybean oils and 20.0 kilograms of methyl alcohol are added in the reactor, stir, add 2.5 kilograms of solid magnetic catalysts, under 70 ℃, carry out ester exchange reaction, reacted 4.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 47.7 kilograms of biodiesel behind the purifying of upper strata.
Embodiment ten: raw material: Oleum Gossypii semen, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises the Ni that calculates with oxide
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Ni, Zr, Fe is 3: 2: 10.All the other are with embodiment eight.
50.0 kilograms cottonseed oils and 20.0 kilograms of methyl alcohol are added in the reactor, stir, add 3.0 kilograms of solid magnetic catalyst catalyst, under 90 ℃, carry out ester exchange reaction, reacted 3.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 48.9 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 11: raw material: frying oil, solid magnetic catalyst, ethanol.
Solid magnetic catalyst comprises the Ni that calculates with oxide
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Ni, Zr, Fe is 2: 3: 15.All the other are with embodiment eight.
50.0 kilograms waste oil from restaurants and 18.0 kilograms of ethanol are added in the reactor, stir, add 3.5 kilograms of solid magnetic catalysts, under 90 ℃, carry out ester exchange reaction, reacted 2.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and ethanol, gets 48.8 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 12: raw material: rapeseed oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises the Co that calculates with oxide
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Co, Zr, Fe is 1: 6: 6.
Solid magnetic catalyst obtains by following method: 4 moles FeSO
47H
2O, 2 moles Fe
2(SO
4)
3The distilled water that adds 10 moles, controlled temperature is 50 ℃, slowly adds 0.8 mole ammoniacal liquor in 2 hours uniformly, stirs, and drips off back ageing 1 hour, obtains the precipitation of glossy black look, the supernatant liquor that inclines adds the distilled water repetitive scrubbing then and is precipitated to neutrality, and do not have SO
4 2-, it is standby to get intermediate A; The element mol ratio of pressing Co, Zr, Fe adds the ZrO after pulverizing in intermediate A
2, Co
2O
3, stir into pasty state, add 15 moles distilled water again, in 2 hours, slowly add 1 mole ammoniacal liquor uniformly, stir, be warming up to 60 ℃ after dripping off and continue to stir ageing 6 hours, obtain precipitation, the supernatant liquor that inclines adds the distilled water repetitive scrubbing then and is precipitated to neutrality, intermediate B is standby; With intermediate B in 80 ℃ of vacuum-dryings 12 hours; 500 ℃ of calcination 10 hours in muffle furnace again are transformed into composite oxides, and these composite oxides are solid magnetic catalyst.
50.0 kilograms rapeseed oils and 28.0 kilograms of methyl alcohol are added in the reactor, stir, add 3.0 kilograms of solid magnetic catalysts, under 90 ℃, carry out ester exchange reaction, reacted 2.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 49.6 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 13: raw material: Viscotrol C, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises the Co that calculates with oxide
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Co, Zr, Fe is 3: 2: 11.All the other are with embodiment 12.
50.0 kilograms castor oil and 16.0 kilograms of methyl alcohol are added in the reactor, stir, add 3.5 kilograms of solid magnetic catalysts, under 70 ℃, carry out ester exchange reaction, reacted 2.5 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 46.7 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 14: raw material: peanut oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises the Co that calculates with oxide
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Co, Zr, Fe is 1: 3: 8.All the other are with embodiment 12.
50.0 kilograms peanut oil and 18.0 kilograms of methyl alcohol are added in the reactor, stir, add 1.5 kilograms of solid magnetic catalysts, under 70 ℃, carry out ester exchange reaction, reacted 3.0 hours.After reaction finishes, under the effect in magnetic field, reclaim the solid magnets acidic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 46.2 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 15: raw material: Semen Maydis oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises the Co that calculates with oxide
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Co, Zr, Fe is 2: 5: 9.All the other are with embodiment 12.
50.0 kilograms corn oils and 16.0 kilograms of methyl alcohol are added in the reactor, stir, add 4.0 kilograms of solid magnetic catalysts, under 80 ℃, carry out ester exchange reaction, reacted 2.5 hours.After reacting end, under the effect in magnetic field, reclaim solid magnet acidic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 48.4 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 16: raw material: sunflower seed oil, solid magnetic catalyst, methyl alcohol.All the other are with embodiment 12.
50.0 kilograms sunflower oils and 20.0 kilograms of methyl alcohol are added in the reactor, stir, add 3.0 kilograms of solid magnetic catalysts, under 90 ℃, carry out ester exchange reaction, reacted 2.0 hours.After reacting end, under the effect in magnetic field, reclaim solid magnet acidic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 49.2 jin of biodiesel behind the purifying of upper strata.
Embodiment 17: raw material: sweet oil, solid magnetic catalyst, methyl alcohol.All the other are with embodiment 12.
50.0 kilograms olive oil and 16.0 kilograms of methyl alcohol are added in the reactor, stir, add 2.0 kilograms of solid magnetic catalysts, under 60 ℃, carry out ester exchange reaction, reacted 2.5 hours.After reacting end, under the effect in magnetic field, reclaim solid magnet acidic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 44.3 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 18: raw material: lard, solid magnetic catalyst, methyl alcohol.All the other are with embodiment 12.
50.0 kilograms lards and 18.0 kilograms of methyl alcohol are added in the reactor, stir, add 4.0 kilograms of solid magnetic catalysts, under 60 ℃, carry out ester exchange reaction, reacted 2.5 hours.After reacting end, under the effect in magnetic field, reclaim solid magnet acidic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 45.7 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 19: raw material: wheatgerm oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises MgO, the Fe that calculates with oxide
2O
3, its element mol ratio that forms by Mg, Fe is 1: 6.All the other are with embodiment one.
50.0 kilograms wheat-germ oils and 12.0 kilograms of methyl alcohol are added in the reactor, stir, add 2.0 kilograms of solid magnetic catalysts, under 50.0 ℃, carry out ester exchange reaction, reacted 1.5 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 47.2 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 20: raw material: Rice pollard oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises MgO, the Fe that calculates with oxide
2O
3, its element mol ratio that forms by Mg, Fe is 2: 9.All the other are with embodiment one.
50.0 kilograms rice bran oils and 16.0 kilograms of methyl alcohol are added in the reactor, stir, add 2.5 kilograms of solid magnetic catalysts, under 70 ℃, carry out ester exchange reaction, reacted 1.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 48.2 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 21: raw material: catering trade waste oil, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises MgO, the Fe that calculates with oxide
2O
3, its element mol ratio that forms by Mg, Fe is 2: 7.All the other are with embodiment one.
50.0 kilograms fruit of cubeb litsea tree oil and 28.0 kilograms of methyl alcohol are added in the reactor, stir, add 3.5 kilograms of solid magnetic catalysts, under 70 ℃, carry out ester exchange reaction, reacted 1.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 49.5 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 22: raw material: Chinese vegetable tallow, solid magnetic catalyst, methyl alcohol.
Solid magnetic catalyst comprises MgO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Mg, Al, Fe is 8: 3: 7.All the other are with embodiment one.
50.0 kilograms Chinese tallows and 18.0 kilograms of methyl alcohol are added in the reactor, stir, add 2.0 kilograms of solid magnetic catalysts, under 70 ℃, carry out ester exchange reaction, reacted 2.0 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 49.4 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 23: raw material: Chinese vegetable tallow, solid magnetic catalyst, methyl alcohol.
The element mol ratio of the Co of solid magnetic catalyst, Zr, Fe is 1: 5: 9; All the other are with embodiment 12.
50.0 kilograms Chinese tallows and 20.0 kilograms of methyl alcohol are added in the reactor, stir, add 4.0 kilograms of solid magnetic catalysts, under 80 ℃, carry out ester exchange reaction, reacted 1.5 hours.After reaction finishes, under the effect in magnetic field, reclaim solid magnetic catalyst earlier, then with the reaction mixture sat layering, the upper strata is the thick product of biodiesel, and lower floor is the mixture of glycerine and methyl alcohol, gets 48.3 kilograms of biodiesel behind the purifying of upper strata.
Embodiment 24: the production technology of preparing biodiesel by solid magnetic catalyst, and wherein: described animal-plant oil is any one or a few the mixture in soybean oil, genetically engineered soybean oil, rapeseed oil, transgenosis rapeseed oil, Oleum Gossypii semen, Chinese vegetable tallow, Viscotrol C, plam oil, peanut oil, sesame oil, Semen Maydis oil, sunflower seed oil, sweet oil, safflower oil, pine nut oil, walnut oil, Prunus amygdalus oil, raisin seed oil, wheatgerm oil, rice germ oil, Rice pollard oil, tea-seed oil, fruit of cubeb litsea tree oil, lard, butter, sheep oil, fish oil, the discarded edible oil; Repeat each example in the above embodiments one to 23 respectively.
Embodiment 25: the production technology of preparing biodiesel by solid magnetic catalyst, wherein: described low-carbon alcohol is a methyl alcohol.Repeat each example in the above embodiments one to 23 respectively.
Embodiment 26: the production technology of preparing biodiesel by solid magnetic catalyst, wherein: described low-carbon alcohol is an ethanol.Repeat each example in the above embodiments one to 23 respectively.
Embodiment 27: the production technology of preparing biodiesel by solid magnetic catalyst, wherein: described low-carbon alcohol is methyl alcohol and alcoholic acid mixture.Repeat each example in the above embodiments one to 23 respectively.
Embodiment 28: the production technology of preparing biodiesel by solid magnetic catalyst, under catalyst action and under the certain temperature, low-carbon alcohol is mixed with animal-plant oil and stir and carry out transesterification reaction, after reaction finishes, the upper strata is the thick product of biofuel, lower floor is the mixture of glycerine and low-carbon alcohol, biofuel thick purifying products in upper strata is got biofuel, wherein: the mol ratio of low-carbon alcohol and animal-plant oil is 3: 1, catalyzer adopts solid magnetic catalyst, transesterify is carried out under 100 ℃, and the reaction times is 1 hour, and the catalyzer of adding is 1% of an animal-plant oil weight.Repeat each example in the above embodiments one to 23 respectively.
Embodiment 29: the production technology of preparing biodiesel by solid magnetic catalyst, under catalyst action and under the certain temperature, low-carbon alcohol is mixed with animal-plant oil and stir and carry out transesterification reaction, after reaction finishes, the upper strata is the thick product of biofuel, lower floor is the mixture of glycerine and low-carbon alcohol, biofuel thick purifying products in upper strata is got biofuel, wherein: the mol ratio of low-carbon alcohol and animal-plant oil is 40: 1, catalyzer adopts solid magnetic catalyst, transesterify is carried out under 40 ℃, and the reaction times is 5 hours, and the catalyzer of adding is 10% of an animal-plant oil weight.Repeat each example in the above embodiments one to 23 respectively.
Embodiment 30: the production technology of preparing biodiesel by solid magnetic catalyst, under catalyst action and under the certain temperature, low-carbon alcohol is mixed with animal-plant oil and stir and carry out transesterification reaction, after reaction finishes, the upper strata is the thick product of biofuel, lower floor is the mixture of glycerine and low-carbon alcohol, biofuel thick purifying products in upper strata is got biofuel, wherein: the mol ratio of low-carbon alcohol and animal-plant oil is 20: 1, catalyzer adopts solid magnetic catalyst, transesterify is carried out under 60 ℃, and the reaction times is 2 hours, and the catalyzer of adding is 3% of an animal-plant oil weight.
Embodiment 31: the production technology of preparing biodiesel by solid magnetic catalyst, wherein: solid magnetic catalyst comprises the Ni that calculates with oxide
2O
3Or Co
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Ni or Co, Zr, Fe is 1: 6: 5; Solid magnetic catalyst obtains by following method: press embodiment method acquisition from all directions.
Embodiment 32: the production technology of preparing biodiesel by solid magnetic catalyst, wherein: solid magnetic catalyst comprises the Ni that calculates with oxide
2O
3Or Co
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Ni or Co, Zr, Fe is 3: 2: 15; Solid magnetic catalyst obtains by following method: press embodiment method acquisition from all directions.
Embodiment 33: the production technology of preparing biodiesel by solid magnetic catalyst, wherein: solid magnetic catalyst comprises the Ni that calculates with oxide
2O
3Or Co
2O
3, ZrO
2, Fe
2O
3, its element mol ratio that forms by Ni or Co, Zr, Fe is 2: 4: 10; Solid magnetic catalyst obtains by following method: press embodiment method acquisition from all directions.
Embodiment 34: the production technology of preparing biodiesel by solid magnetic catalyst, wherein: solid magnetic catalyst comprises MgO or CaO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Mg or Ca, Al, Fe is 6: 2: 3; Solid magnetic catalyst obtains by following method: press embodiment one method and obtain.
Embodiment 35: the production technology of preparing biodiesel by solid magnetic catalyst, wherein: solid magnetic catalyst comprises MgO or CaO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Mg or Ca, Al, Fe is 18: 6: 9; Solid magnetic catalyst obtains by following method: press embodiment one method and obtain.
Embodiment 36: the production technology of preparing biodiesel by solid magnetic catalyst, wherein: solid magnetic catalyst comprises MgO or CaO, the Al that calculates with oxide
2O
3, Fe
2O
3, its element mol ratio that forms by Mg or Ca, Al, Fe is 9: 4: 6; Solid magnetic catalyst obtains by following method: press embodiment one method and obtain.