?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EKSTRAK+KAYU+APU+(Pistia+stratiotes+L.)+SEBAGAI+AGEN+BIOREMEDIASI+LIMBAH+CAIR+INDUSTRI+TAHU+MENGGUNAKAN+METODE+SINTESIS+HIJAU+NANOPARTIKEL+PERAK+(AgNP)+&rft.creator=NOFA%2C+DWITASARI+&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=570+Biologi&rft.description=Industri++tahu++di++Indonesia++didominasi++oleh++industri++dalam++negeri++dan++masih++diproduksi+dengan++menggunakan++teknik++sederhana.++Industri++++tahu++tersebut++menghasilkan++dua++jenis+limbah%2C++yaitu+limbah+padat+dan+cair.++Limbah+cair++yang+dihasilkan+industri+tahu+biasanya+langsung++dibuang++ke++lingkungan.++Bioremediasi++merupakan++metode++yang++banyak+digunakan++untuk++mengolah++air++limbah++tahu++tanpa++mencemari++lingkungan.++Salah++satu+tumbuhan++yang++dapat++digunakan++untuk++meremediasi++perairan++yaitu++tumbuhan++kayu++apu+(Pistia+stratiotes).+Produksi+nanopartikel+dengan+cara+ramah+lingkungan+dapat+dilakukan+dengan++menggunakan++organisme++biologis++seperti++ekstrak++tumbuhan++yang++memiliki+kandungan+senyawa+metabolit+sekunder+tumbuhan%2C+seperti+polifenol%2C+flavonoid%2C+alkaloid%2C+terpenoid%2C+dan+steroid+yang+terdapat+pada+tanaman+kayu+apu.+Tujuan+penelitian+ini+adalah+membuat++nanopartikel++perak++(AgNP)++menggunakan++ekstrak++kayu++apu++(Pistia++stratiotes)+dan++mengetahui++efektivitas++nanopartikel++ekstrak++kayu++apu++(P.++stratiotes)++terhadap++pH%2C+BOD%2C++COD++dan++TSS++pada++sampel++air++limbah++industri++tahu.++Penelitian++ini++dilaksanakan+pada++Mei++2024++-++Juni++2024.++Hasil++penelitian++menunjukkan++sintesis++Nanopartikel++Perak+(AgNP)++dari++Ekstrak++Kayu++Apu++berhasil++dilakukan++dengan++metode++sintesis++hijau++dan+penggunaan+nanopartikel+perak+yang+disintesis+dari+ekstrak+kayu+apu+menunjukkan+hasil+yang++signifikan++pada++parameter++pH++dalam++mengurangi++tingkat++polusi++pada++limbah++cair+tahu+serta+efektif+untuk+parameter+BOD+dan+COD+pada+perbandingan+1+%3A+1.+%0D%0AKata++kunci%3A++limbah++cair++tahu%2C++kayu++apu++(pistia++stratiotes)%2C++bioremediasi%2C++nanopartikel+perak.+++%0D%0AThe+tofu+industry+in+Indonesia+is+predominantly+composed+of+small-scale+domestic+industries+and+is+still+operated+using+traditional+techniques.+These+tofu+industries+generate+two+types+of+waste%3A+solid+and+liquid.+The+liquid+waste+produced+is+often+discharged+directly+into+the+environment.+Bioremediation+is+a+widely+used+method+for+treating+tofu+wastewater+without+polluting+the+environment.+One+of+the+plants+that+can+be+used+for+water+remediation+is+water+lettuce+(Pistia+stratiotes).+The+production+of+nanoparticles+in+an+environmentally+friendly+manner+can+be+achieved+using+biological+organisms+such+as+plant+extracts%2C+which+contain+secondary+metabolite+compounds+like+polyphenols%2C+flavonoids%2C+alkaloids%2C+terpenoids%2C+and+steroids+found+in+water+lettuce.+The+aim+of+this+study+is+to+synthesize+silver+nanoparticles+(AgNPs)+using+water+lettuce+extract+(Pistia+stratiotes)+and+to+determine+the+effectiveness+of+the+synthesized+nanoparticles+in+improving+the+pH%2C+BOD%2C+COD%2C+and+TSS+levels+in+tofu+industrial+wastewater+samples.+This+research+was+conducted+from+May+2024+to+June+2024.+The+findings+of+this+study+demonstrate+that+silver+nanoparticles+(AgNPs)+were+successfully+synthesized+from+Pistia+stratiotes+extract+via+a+green+synthesis+approach.+The+application+of+these+biosynthesized+AgNPs+exhibited+a+significant+impact+on+the+pH+parameter%2C+effectively+reducing+pollution+levels+in+tofu+industrial+wastewater.+Furthermore%2C+the+treatment+was+effective+in+improving+BOD+and+COD+values%2C+particularly+at+a+1%3A1+ratio.+%0D%0AKeywords%3A+Tofu+wastewater%2C+Water+Lettuce+(Pistia+stratiotes)%2C+bioremediation%2C+silver+nanoparticles.+&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2025-06-16&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F89381%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F89381%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F89381%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++NOFA%2C+DWITASARI+++(2025)+EKSTRAK+KAYU+APU+(Pistia+stratiotes+L.)+SEBAGAI+AGEN+BIOREMEDIASI+LIMBAH+CAIR+INDUSTRI+TAHU+MENGGUNAKAN+METODE+SINTESIS+HIJAU+NANOPARTIKEL+PERAK+(AgNP).++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F89381%2F