N'ihi ya “resource recycling” atụmatụ, A na-ejikarị foil aluminom emegharịrị emegharị na nkwakọ ngwaahịa aseptic nri - karịsịa maka croissants na ngwaahịa esiri esi.. N'ime 2024, ihe a meghariri emeghari bu 38% nke zuru ụwa ọnụ ahịa maka aseptic croissant nkwakọ aluminum foil (isi iyi: International Aluminom Institute).

Ngwa ngwa ya na-esitekarị na batches mkpofu nke ọkachamara a aluminom foil. Maka nchekwa croissant aseptic, foil chọrọ ibu microbial elu dị oke ala (≤1 CFU/cm²).

Agbanyeghị, n'oge imegharị ihe, foil na-amịkọrọ mmanụ croissant n'ụzọ dị mfe. Mmanụ a bụ ngwakọta dị mgbagwoju anya: “abụba abụba juru eju (palmitic acid, 35%-45%), unsaturated ọdụdụ asịd (oleic acid, 25%-30%), na emulsifiers (monoglycerides, 0.5%-2%)”.

O doro anya, Nnyocha ụlọ ọrụ na-ekpughe na ihe dị ka 22% nke ụlọ ọrụ na-emepụtagharị nke a na-agbanwe agbanwe (>50mg / m²). Nke a karịrị akarị 10mg / m² maka a na-ejikọ croissant aluminom.

Izu oke na-esitekarị site na oke nhicha na-adịghị mma - dịka ezughi oke alkali ma ọ bụ obere oge ihicha.

Adịghị ụdị ebe a na-eme ka ọ dị ọcha nke ihe eji emegharị ma mebie ya “Ihe mgbochi Aseptik”. Nke a na-eyi nchekwa nkwakọ ngwaahịa croissant na-esote “mbugharị ofufe” na “uto microbial”. Ya mere, nyocha dị omimi site n'echiche sayensị ihe nkwakọ ngwaahịa aseptic dị mkpa.

ECO-B. Njirimara akụrụngwa nke mmanụ croissant yana usoro ihe fọdụrụ ya na foil e megharịrị.

Aseptic croissant nkwakọ ngwaahịa aluminom foil ga-eju ha abụọ “ihe mgbochi” na “ihe onwunwe aseptic”. Mmanụ croissant na-emebi àgwà abụọ a ozugbo, na usoro ya fọduru dị iche na nke nkịtị aluminom foil.

(A) Ngwakọta isi na Njirimara physicochemical nke mmanụ Croissant (Mkpa na nkwakọ ngwaahịa Aseptic)

Otu akụkụ	Ihe nnọchi anya	Ọdịnaya ọdịnaya	Njirimara physicochemical isi	Mkpa na Aseptic Packaging Foil
Fatty Acids juru eju	Palmitic acid, Stearic acid	35%-45%	Ebe mgbaze 50-60 ℃, ọkara siri ike na ụlọ okpomọkụ, dị mfe ịkwado	Ihe nkiri mmanụ siri ike na-ekpuchi elu foil, na-egbochi ọgwụ mgbochi nwa na-esote
Fatty Acids na-adịghị mma	Oleic acid, Linoleic acid	25%-30%	Nwere agbụ abụọ, dị mfe oxidize n'ime aldehydes na acids	Ngwaahịa oxidation nwere ike meghachi omume na oyi akwa ngafe foil, ihe mgbochi na-emebi emebi
Ihe emulsifiers	Monoglycerides, Sucrose Esters	0.5%-2%	Ọ dị mfe adsorbs n'elu igwe, eme ka mmanu mmanu mmanu	Na-eme ka mmanụ sie ike ihicha, ihe ize ndụ uto microbial na nkwakọ ngwaahịa aseptic
Antioxidants	BHA, TBHQ	50-100mg / n'arọ	Nwere nhazi mgbanaka benzene, nwere ike ịkwaga ihe ize ndụ	Mbugharị gaa na croissants na-emebi ihe nchekwa nri maka nkwakọ aseptic

Akụkụ ọ bụla dị na mmanụ croissant na-ekere òkè n'ịka njọ okwu ndị fọdụrụnụ. Ọmụmaatụ, emulsifiers ike mmanu-foil bonding, ebe antioxidants na-ewebata ihe ize ndụ nke mbugharị.

(B) Usoro ihe fọdụrụ nke mmanụ croissant na foil Aseptic emegharịrị

Mgbe e gwepịara ya, agbaze, na mpịakọta, ihe eji eme ihe (croissant aseptic na-emebi emebi nkwakọ ngwaahịa aluminom foil) na-egosipụta a “okpukpu abụọ adsorption” ụkpụrụ nke fọdụrụ mmanụ.

Kpọmkwem, ihe fọdụrụ na micropore adsorption na-etinye ihe egwu pụrụ iche maka nkwakọ ngwaahịa aseptic. Iji kwalite arụmọrụ mgbochi, Nke a pụrụ iche aluminum foil Nleta ok microporous Ọdịdị (pore nha 0.1-0.5μm) n'oge mpịakọta.

Obere ụmụ irighiri mmanụ croissant (E.G., methyl palmitate, 0.5-0.8nm n'obosara) banye n'ime pores ndị a, na-akpụ ihe “ihe nkiri mmanụ intra-pore”.

Nnwale adsorption nitrogen (Nzọ) gosi na mmanụ fọdụrụnụ na-ebelata akụkụ elu nke foil site na 1.2m²/g ruo 0.8m²/g. Nke a na-egbochi pores na ọnụọgụ ikuku oxygen okpukpu atọ, na-ewepụ ọrụ mgbochi nkwakọ ngwaahịa aseptic.

Ke ozo, kemịkalụ adsorption fọdụrụnụ na-emebi ihe mgbochi aseptic. Oleic acid na mmanụ croissant na-emeghachi omume na Al₂O₃ n'elu foil iji mepụta oleate aluminum. (Al(C₁₈H₃₂O)₃).

X-ray Photoelectron Spectroscopy (XPS) na-akwado na ike njikọ nke Al 2p na mpaghara fọdụrụnụ na-esi na 74.5eV gaa na 73.8eV-ihe akaebe nke njikọ kemịkalụ..

Mmanụ a na-ejikọta kemịkalụ na-eguzogide ịsacha mmiri a na-emekarị. Ọ na-etolitekwa a “oyi akwa” na foil elu, ịmepụta ọnọdụ maka uto microbial ma na-emebi ozugbo ọnọdụ aseptic nke ihe nkwakọ ngwaahịa.

ECO-C. Usoro nke ihe fọdụrụ mmanụ croissant na-ebelata ịdị ọcha nke foil Aseptic emegharịrị.

Aseptic croissant nkwakọ ngwaahịa aluminum foil nwere ihe siri ike chọrọ ịdị ọcha karịa foil ọkọlọtọ: ≥99.5% maka nri ọkwa na ≥99.7% maka aseptic ọkwa. Mmanụ fọdụrụ na-ebelata ịdị ọcha site na ụzọ isi abụọ: “akụrụngwa mmetọ” na “mmebi ihe owuwu”.

(A) Mbelata ịdị ọcha kemịkalụ na-ebute site na mmalite adịghị ọcha nke mpụga

N'otu aka, carbon enrichment na-emebi nkwụsi ike aseptic. Palmitic acid (C₆H₃₂O) na mmanụ carbonizes n'oge mpịakọta kpo oku (120-150℃), na-emepụta carbon free.

Nnwale nyocha nke carbon-sulfur na-egosi na maka foil ejigharị ya nwere ihe fọdụrụnụ 50mg/m²., elu carbon ọdịnaya bilie si 0.05% ka 0.25%. Nke a karịrị nke 0.1% oke maka ọkwa aseptic.

Na 100mg/m² fọdụrụnụ, carbon na-agbasa 0.5-1μm n'ime foil. Nke a na-ewepụ ịdị ọcha site na 99.7% ka 99.4%, na-agaghị ezute GB/T 25198 Aluminom na Aluminom Alloy Plate for Pressure Vessels ụkpụrụ maka nkwakọ aseptic.

N'akụkụ aka nke ọzọ, oke oxygen na-emebi oyi akwa mgbochi. Hydroxyl na carboxyl dị n'ime mmanụ na-emeghachi omume na Al₂O₃, na-eme ka oyi akwa oxide si na 5-10nm ruo 15-20nm.

Oxygen-nitrogen analyzer data na-egosi ọdịnaya oxygen na-abawanye site na 0.12% ka 0.35%. Nke a na-ebelata ductility foil - elongation dara site na 15% ka 10%.

Mgbawa na-etolite n'oge a na-akpụzi foil, na-ebibi ihe mgbochi aseptic.

(B) Mbelata ịdị ọcha anụ ahụ kpatara site na mmebi microstructural

Mpempe akwụkwọ nkwakọ ngwaahịa aseptic na-adabere na microstructure na-edobe anya iji nọgide na-amụ nwa - ihe fọdụrụ mmanụ na-akpaghasị.

Ọmụmaatụ, monoglycerides na mmanụ adsorb na oke ọka n'oge annealing (300-350℃). Nke a na-egbochi uto ọka.

Nleba anya n'ọkpụkpụ na-ekpughe na foil nkịtị nwere nha ọka 20-30μm na-agbanwe agbanwe. Foil emetọọ ihe fọdụrụ, n'ụzọ dị iche, na-egosi ọka na-enweghị isi 5-40μm.

Ebe ndị dị mma na-akpakọba ụmụ irighiri ihe n'ụzọ dị mfe, na-eduga na sterilization na-ezughị ezu.

Ozoro, carbon free sitere na carbonization mmanụ na-agbakọta na oke ọka. Nke a na-etolite akwa 0.2-0.5μm nwere nnukwu carbon (hụrụ site na TEM).

Na ọka-oke carbon ọdịnaya erute 0.5%-1.0%, ọnụ ọgụgụ mgbawa intergranular nke foil n'oge stamping na-ebili site na 3% ka 15%. Nke a na-egbochi nhazi ngwugwu aseptic zuru oke.

Elo-d. Ihe iyi egwu nke ọtụtụ akụkụ nke mmanụ croissant maka nchekwa nkwakọ ngwaahịa Aseptic Croissant

E wezụga ịdị ọcha okwu, Mfọdụ mmanụ na-ebute nnukwu ihe egwu na ebumnuche ebumnuche nke nkwakọ ngwaahịa aseptic croissant: “na-ejigide gburugburu ebe obibi aseptic” na “n'ịhụ nchekwa nri”. Ihe iyi egwu ndị a na-egosipụta n'ụzọ atọ bụ isi.

(A) Ọdịda ihe mgbochi Aseptic (Pụrụ iche na nkwakọ ngwaahịa Aseptic)

The foil na-enweta nchekwa aseptic site na “ihe mgbochi anụ ahụ + elu sterility”, na ihe fọdụrụ na-emebi ma.

Mbụ, uto microbial na-emebi amụ nwa. Foil nwere 50mg/m² mmanụ fọdụrụnụ, echekwara na 25 ℃ na 70% iru mmiri maka 7 ubochi, na-egosi 10² CFU/cm² nke Escherichia coli. Nke a karịrị ≤1 CFU/cm² ọkọlọtọ aseptic.

Mgbe ejiri ya maka nkwakọ ngwaahịa croissant, microorganisms na-amụba ngwa ngwa. Nke a na-abawanye ọnụego mmebi site na 0.1% ka 8% n'ime ahụkarị 7-ụbọchị shelf ndụ.

Nke abụọ, sterilization ntinye na-eme ka okwu ahụ ka njọ. Ihe nkiri mmanụ na-egbochi elu foil, Ịcha ultraviolet igba ogwu penetration (usoro nkwakọ ngwaahịa aseptic nkịtị) site na 90% ka 50%.

Ebe a na-esighị ọcha na-egosi 20% ihe fọdụrụ microbial. Nke a na-emebi GB/T 31402 Oke Microbial maka ngwa nkwakọ ngwaahịa na ngwaahịa.

(B) Ihe ize ndụ Mbugharị nke kọntaktị nri (Ọ ka njọ na Ntọala Aseptic)

Ihe fọdụrụ mmanụ na-emekwa ka ihe ndị na-emerụ ahụ na-akwaga n'ime croissants.

Dị ka ọmụmaatụ, oleic acid oxidizes n'ime malondialdehyde n'oge nchekwa. Ọnụọgụ mbugharị ruru 0.3-0.8mg/dm² — gafere oke 0.5mg/dm² na GB 31604.1.

Malondialdehyde na-emeghachi omume na protein croissant, na-emebi nchekwa nri.

O doro anya, oyi akwa passivation mebiri emebi na-eduga na oke aluminom leaching. Nke a bụ nchegbu ka ukwuu maka nkwakọ ngwaahịa aseptic n'ihi kọntaktị nri ogologo oge.

Na acid croissants (E.G., ndị nwere lemon), Aluminom leaching ruru 0.2mg/dm². Nke a bụ oke 0.1mg/dm² okpukpu abụọ na GB 4806.3, na-etinye ihe egwu ahụike ogologo oge.

(C) Mmebi nke iguzosi ike n'ezi ihe nkwakọ ngwaahịa (Ịdị mkpụmkpụ Ndụ Shelf Aseptic)

Nkwakọ ngwaahịa aseptik chọrọ ihe mgbochi na-adịghị, ma mmanụ residues na-eme ngwangwa foil corrosion.

Nnwale ebe a na-arụ ọrụ eletrọnịkị na-egosi foil mmetọ nke fọdụrụ nwere njupụta corrosion ugbu a nke 1.5×10⁻⁶ A/cm². Nke a ji okpukpu atọ karịa nke foil dị ọcha.

Foil gbara ọkpụrụkpụ 0.01mm na-adaba n'ime 6 otutu onwa. Nke a na-ebipụ ndụ shelf croissant 7 ụbọchị ka 3 ubochi.

N'ụzọ dị iche, Cl⁻ na mmanụ (si croissant nnu) na fatty acids na-etolite olulu mmiri (1-5dayameta μm, hụrụ site na SEM).

Nke a na-abawanye ọnụego nnyefe oxygen site na 1cm³/(M² · 0h · 0.1MPA) ruo 5cm³/(M² · 0h · 0.1MPA). Croissant oxidation njọ na-ebili site na 40%.

Eco-e. Usoro nhicha kachasị mma maka ihe fọdụrụ na mmanụ croissant na foil Aseptic emegharịrị

Iji dozie nsogbu ndị a, Usoro nhicha dị iche iche kwadoro mkpa nkwakọ ngwaahịa pụrụ iche nke ASEptic ga-itule “Iwepụ mmanụ” na “mmezi mmezi”. Ọrụ kachasị mma dị ka ndị a.

(A) Future: Mmezi mmezi na nkwadebe ASEptik

Ibido, Igwe ikuku na-ekpo ọkụ A na-eduzi ya na ebe omumu Astoptic. A na-eme ka ahịhịa dị ọkụ (120-150℃, 2M / S Air Velocity) maka 10-15min.

Nzọụkwụ a na-ewepu 60%-70% elu mmanụ, na-egbochi mmetọ nke ASEptic gburugburu.

Nupu okwu, Ultrasonic siri ike nhicha na-eji mmiri aseptic deionized dị ka ọkara. Obere-ugboro ultrasound (20khz, 500W) na-arụ ọrụ maka 5-8min.

Mmetụta cavitation ya na-ewepụ 30% mmanụ micropore na-enweghị iwebata microorganisms mpụga.

(B) Isi nhicha: Mwedata kemịkalụ + Nkwalite Aseptic

Usoro Usoro	Uru emelitere (maka nkwakọ ngwaahịa Aseptic)	Usoro	Nnwale mmetụta (Aseptic foil)
Ụdị Cleaner	5%-8% NaOH + 0.1% Agent Aseptic	Alkali siri ike na-emebi ncha aluminom; Onye ọrụ aseptic na-egbochi microorganisms	Aluminom ncha ire ere ≥95%; microorganisms na-ehichachaa ≤1 CFU/cm²
Okpomọkụ ihicha	60-70℃ (Aseptic okpomọkụ mgbe niile)	Na-akwalite ọnụego mmeghachi omume; na-ezere uto microbial site na mgbanwe okpomọkụ	Ịrụ ọrụ na-abawanye okpukpu abụọ vs. ụlọ okpomọkụ; enweghị mmetọ microbial
Oge nhicha	15-20mine	Na-ewepụ nke ọma ihe fọdụrụ na oke oke ọka	Mmanụ fọdụrụ na-ada site na 50mg/m² ruo 15mg/m²
Ọsọ mkpali	300rpm (Aseptic mkpali)	Na-akwalite convection; na-egbochi re-adsorption	Ihe fọdụrụ na-ada site na 3mg/m² ọzọ, izute aseptic ókè

Akụkụ ndị a na-eme ka mwepụ mmanụ miri emi ka ọ na-echekwa ọnọdụ aseptic nke foil. Ọmụmaatụ, ihe mgbakwunye aseptic agbakwunyere na-egbochi uto microbial n'oge nhicha.

(C) Mgbe ọgwụgwọ gasịrị: Aseptik ihicha + Nnwale ịgba ọgwụ mgbochi ọrịa

N'ikpaazu, aseptic ọkụ ikuku ihicha emee n'ime ọkụ (80-90℃, igirigi isi ≤-40℃) maka 10min. Nke a na-edobe mmiri ≤0.1%, na-ezere uto microbial.

Mgbe ahụ, ultraviolet igba ogwu + nchọpụta fọdụrụ a na-eme ya. 254nm UV ọkụ na-enwu maka afọ 30 iji kpochapụ ihe ọ bụla microorganisms fọdụrụnụ.

Spectroscopy infrared nso (NIRS) na-achọpụta ihe fọdụrụ mmanụ site na njirimara 1720nm ya. Nke a na-eme ka ihe fọdụrụ ≤10mg/m² na microorganisms ≤1 CFU/cm² - na-ezute ihe niile achọrọ maka nkwakọ ngwaahịa aseptic croissant aluminum foil.

Eco-f. Ụlọ ọrụ mmepụta ihe: Usoro kachasị mma na omume

Ngwa n'ezie nke usoro a na-akwado ịdị irè ya. Ụlọ ọrụ na-emepụta 50,000 tọn ngwugwu aseptic croissant recycled aluminom foil kwa afọ na-eche isi okwu atọ ihu na 2023 n'ihi ihe fọdụrụ mmanụ.

Mbụ, foil ịdị ọcha ruru 99.3% - n'okpuru 99.7% aseptic ọkwa chọrọ. Nke abụọ, 8% nke mkpesa ndị ahịa sitere na oke aluminom leaching. Nke atọ, microbial ofufe kpatara n'ofe 1 nde CNY na mfu nloghachi croissant.

Mgbe emejuputa usoro nhicha kachasị mma, ịdị ọcha na asepticity ka mma: Ọdịnaya carbon dara 0.08%, oxygen na 0.15%, na ịdị ọcha kwụsiri ike na 99.7% ya na microorganisms ≤1 CFU/cm².

Ihe ngosi nchekwa ike siri ike: Aluminom leaching gbadara ruo 0.08mg/dm², croissant mmebi dara 0.5%, na mkpesa kwụsịrị kpamkpam.

Uru akụ na ụba bilitere: Ọnụego ọjụjụ foil kwụsịrị site na 15% ka 3%, na-azọpụta 2 nde CNY kwa afọ. Ụlọ ọrụ ahụ gbasakwara òkè ahịa ya site na 10% ka 15%.

ECO-G. Mmechi na Outlook

Na nchịkọta, ihicha ezughị ezu nke nkwakọ ngwaahịa aseptic croissant recycled aluminom foil na-eduga na mmanụ croissant.. Ihe ndị a fọdụrụ abụghị nanị ibelata ịdị ọcha (site na 99.7% ka 99.4%) ma mebiekwa ihe mgbochi aseptic (microorganisms na-ebili site na ≤1 CFU/cm² ruo 10² CFU/cm²).

Nke a na-eyi nchekwa croissant egwu. Ihe ngwọta dị na “ihicha aseptic + nchọpụta ziri ezi”- ijikọta ikuku na-ekpo ọkụ pre-degreasing, alkaline isi nhicha, yana ịgba ọgwụ mgbochi UV na gburugburu aseptic. Nke a na-achịkwa ihe fọdụrụ n'okpuru 10mg/m² ka ọ na-echekwa amụ nwa na ihe mgbochi nke foil..

Na-ele Anya Anya, ebe atọ chọrọ n'ihu mmepe maka nke a pụrụ iche foil.

Mbụ, mepụta ihe mkpocha ndụ ndụ dabere na bio (E.G., osisi surfactants) na itule mbelata na ịmụ nwa-ibelata mmetụta gburugburu ebe obibi.

Nke abụọ, mepụta sistemu ihicha ihe AI ​​nke na-edozi paramita ozugbo iji kwekọọ ọkwa fọdụrụ mmanụ — na-eme ka usoro dị mma..

Nke atọ, teknụzụ nchọpụta jikọtara n'ihu (NIRS + ule microbial ngwa ngwa) iji hụ na nchekwa okirikiri zuru oke nke foil.

Na isi ya, Nkwakọ ngwaahịa aseptic croissant aluminom foil agaghị emebi emebi ọmụmụ nwa. Naanị site na ijikọta ihe achọrọ aseptic n'ime usoro nhicha ọ bụla anyị nwere ike nweta a “merie-mmeri” nke imegharị akụrụngwa na nchekwa nri. Nke a na-akwalite mmepe na-adigide na ụlọ ọrụ nkwakọ ngwaahịa aseptic croissant.