siti shilatul najwa sharuddin, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur ‘izzati ismail.  (2025).  enhancing the yield of biosurfactant production from hydrocarbon-degrading rhizobacteria.  - journal of the indian chemical society.  1 - 13. 

osama abrahiem al falahi, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, hind mufeed ewadh, nur 'izzati ismail, muhammad fauzul imron, setyo budi kurniawan.  (2025).  identification and degradation of ibuprofen and paracetamol by rhizobacteria from roots of scirpus grossus exposed to synthetic mix in constructed wetlands.  - water.  1 - 19. 

nur ’izzati ismail, nurull muna daud, siti rozaimah sheikh abdullah, ahmad razi othman, nur nadhirah ramli, israa abdulwahab al-baldawi, islam j k elhabil, hassimi abu hasan.  (2025).  resistant rhizobacteria of native plant for simultaneous iron and aluminum removal from synthetic mining wastewater and its future potential for phytoremediation development.  - process safety and environmental protection.  1 - 13. 

ahmad razi othman, muhammad fauzul imron, nur ‘izzati ismail, mohd aidil kamaruzzaman, siti rozaimah sheikh abdullah, israa abdulwahab al-baldawi, setyo budi kurniawan, hajjar hartini wan jusoh, azimah ismail and hassimi abu hasan.  (2025).  biosorption of hexavalent chromium in aqueous solution by bacillus cereus.  - environmental technology & innovation.  1 - 11. 

hassimi abu hasan, nur asyiqin azahar, mohd hafizuddin muhamad.  (2025).  insights into aeration intensification in biofilm reactors for efficient wastewater treatment.  - water (switzerland).  1 - 22. 

c. e. n. c. e. chik, s. b. kurniawan, z. n. a. shukri, i. b. terkula, f. wahab, a. endut, f. lananan, h. a. hasan, s. r. s. abdullah & n. a. kasan.  (2024).  chitosan coagulant: coagulation/flocculation studies on turbidity removal from aquaculture wastewater by response surface methodology.  - international journal of environmental science and technology.  805-816. 

hasanain saad alhares, mohammed ali a. shaban, mohammed sadeq salman, mohanad j. m-ridha, sabah j. mohammed, khalid m. abed, mohammed a. ibrahim, ali k. al-banaa & hassimi abu hasan.  (2023).  sunflower husks coated with copper oxide nanoparticles for reactive blue 49 and reactive red 195 removals: adsorption mechanisms, thermodynamic, kinetic, and isotherm studies.  - water air and soil pollution.  1-20. 

mohammad mohammad alnawajha, setyo budi kurniawan, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman.  (2023).  performance of leucaena leucocephala and alum in treating aquaculture: effect of dosage, rapid speed and settling time.  - international journal of environmental science and technology.  9981-9994. 

setyo budi kurniawan, azmi ahmad, muhammad fauzul imron, siti rozaimah sheikh abdullah, ahmad razi othman, hassimi abu hasan.  (2023).  performance of chemical-based vs bio-based coagulants in treating aquaculture wastewater and cost-benefit analysis.  - polish journal of environmental studies.  1177-1187. 

nur nadhirah ramli, setyo budi kurniawan, joshua o. ighalo, nor sakinah mohd said, nuratiqah marsidi, junaidah buhari, radhiatul atiqah ramli shah, maryam zulkili, jahira alias, nurull muna daud, jamilah ahmad, ahmad razi othman, siti rozaimah.  (2023).  a review of the treatment technologies for hexavalent chromium contaminated water.  - biometals.  1189-1219. 

siti shilatul najwa sharuddin, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, nur ‘izzati ismail, azmi fadziyana mansor, islam j.k. elhabil.  (2025).  bioaugmented phytoremediation with biosurfactant producing rhizobacteria for enhanced hydrocarbon removal.  - journal of environmental chemical engineering.  1 - 14. 

nurull muna daud, siti rozaimah sheikh abdullah, siti shilatul najwa sharuddin, ahmad razi othman, hassimi abu hasan, noorashikin md salleh, nur ’izzati ismail.  (2025).  bioaugmentation of klebsiella pneumoniae isolate m1 in a continuous sequential phytoreactor integrating scirpus grossus and eichhornia crassipes plants for batik effluent treatment.  - journal of water process engineering.  1 - 18. 

mohammad mohammad alnawajha, setyo budi kurniawan, siti rozaimah sheikh abdullah, ahmad razi othman, hajjar hartini wan jusoh, azimah ismail, hassimi abu hasan.  (2025).  water vs. salt extraction of bio-coagulant from leucaena leucocephala pods for removing turbidity from aquaculture effluent.  - journal of the indian chemical society.  1 - 7. 

saja radhi nayyef alanbary, siti rozaimah sheikh abdullah, israa abdulwahab al-baldawi, hassimi abu hasan, nurina anuar, ahmad razi othman, fatihah suja’, nur ‘izzati ismail, siti shilatul najwa sharuddin.  (2025).  assessing phytotoxicity of sand contaminated with petroleum hydrocarbons on phragmites karka.  - international journal of environmental science and technology.  6545 - 6556. 

hassimi abu hasan, siti nur diana mohd saharuddin, mohd hafizuddin muhamad.  (2025).  unlocking the potential of polyvinyl alcohol (pva) as a biocarrier for enhanced wastewater treatment: a comprehensive review.  - journal of water process engineering.  1 - 16. 

jairen, aimi dayana; aris, azmi; nuid, maria; zaidi, nur syamimi; chelliapan, shreeshivadasan a/l; hasan, hassimi abu; moszakir, muzzammil.  (2025).  cultivation of aerobic granules in a small h/d reactor with influence of static mixer.  - iop conference series: earth and environmental science.  1 - 9. 

siti shilatul najwa sharuddin, siti rozaimah sheikh abdullah, hassimi abu hasan, ahmad razi othman, & israa abdulwahab al-baldawi.  (2024).  enhanced removal of hydrocarbons from crude oil sludge through phytoremediation with biosurfactant-producing rhizobacteria.  - iop conf. series: earth and environmental science.  1-9. 

aimi dayana jairen, azmi aris, shreeshivadasan a/l chelliapan, hassimi abu hasan, maria nuid.  (2024).  hydrodynamic shear force effect in aerobic granules formation and performance in treating domestic wastewater: a review.  - aip conference proceedings.  1 - 8. 

badiea s. babaqi, mohd s. takriff, nur tantiyani a.othman, hassimi abu hasan, ebrahim mahmoudi.  (2021).  modeling and simulation for integrating four reactors in the continuous catalytic regeneration reforming process using matlab.  - 1st international conference on engineering and technology (icoengtech).  1-14. 

z m hanafiah , w h m wan mohtar, h a hasan , h s jensen , m z abdullah and h husain.  (2019).  diversification of temporal sewage loading concentration in tropical climates.  - iop conf. series: earth and environmental science.  1-11. 

hassimi abu hasan, hema darshinni vijayakumar, jahira alias, nur ‘izzati ismail and setyo budi kurniawan.  (2025).  treatment and recovery of biosolids from sewage wastewater using bioflocculants bacillus velezensis isolate jb7.  - .  1 - 14. 

hassimi abu hasan, siti nur hatika abu bakar and mohd sobri takriff.  (2021).  microalgae biofilms for the treatment of wastewater.  - .  381-407. 

abudukeremu kadier, mohd sahaid kalil, pankaj kumar rai, smita s. kumar, peyman abdeshahian, periyasamy sivagurunathan, hassimi abu hasan, aidil abdul hamid, azah mohamed.  (2020).  microbial electrolysis cells (mecs): a promising and green approach for bioenergy and biochemical production from waste resources.  - .  209-234. 

abudukeremu kadier, najeeb k. n. al-shorgani, dipak a. jadhav, jayesh m. sonawane, abhilasha s. mathuriya, mohd s. kalil, hassimi a. hasan, khulood fahad saud alabbosh.  (2020).  microbial electrolysis cell (mec): an innovative waste to bioenergy and value-added by-product technology.  - .  95-128. 

abudukeremu kadier, rustiana yuliasni, s. m. sapuan, r. a. ilyas, pankaj kumar rai, peng cheng ma, aruliah rajasekar, khulood fahad saud alabbosh, aidil abdul hamid, hassimi abu hasan.  (2020).  the role of microbial electrolysis cell in bioenergy production: current applications and pilot plant experiences.  - .  323-342. 

hassimi abu hasan, mohd hafizuddin muhamad, nur abirah mohamod & jahira alias.  (2025).  pencirian sisa biojisim sebagai potensi makanan ayam (characterization of biomass waste as a chicken feed potential) .  - jurnal kejuruteraan.  1935 - 1946. 

moh hafizuddin muhamad, hassimi abu hasan, siti nur hatika abu bakar.  (2025).  potensi struvit dalam menuju ekonomi kitaran mampan.  - dewan kosmik dpb.  . 

hassimi abu hasan.  (2025).  kejuruteraan: kerjaya pilihan yang bijak.  - selamat pagi malaysia: nadi seri pagi.  . 

hassimi abu hasan, s. sayanthan.  (2024).  tumbuhan makrofit: cabaran sebagai agen biorawatan air sisa.  - majalah sains.  1. 

nurfarisha ahamad fironus firdaus, mohd hafizuddin muhammad, hassimi abu hasan dan noorhisham tan kofli.  (2024).  bedak padat daripada penapaian beras menggunakan teknik rsm.  - jurnal kejuruteraan.  2403 - 2413. 

moh hafizuddin muhamad, hassimi abu hasan, siti nur hatika abu bakar.  (2025).  potensi struvit dalam menuju ekonomi kitaran mampan.  - dewan kosmik dpb.  . 

hassimi abu hasan.  (2025).  kejuruteraan: kerjaya pilihan yang bijak.  - selamat pagi malaysia: nadi seri pagi.  . 

hassimi abu hasan, mohd hafizuddin muhamad.  (2024).  faedah tumbuhan akuatik dalam rawatan air sisa.  - dewan kosmik.  . 

nadzirul zamri, wei lun aang, nazlina haiza, noor soffalina sofian seng, lim seng joe, hassimi abu hasan, mohamed yusuf mohamed nazir, aidil abdul hamid.  (2024).  evaluation of chitosan and matel ions as efficient and cost-effective flocculant for harvesting lipid-rich aurantiochytrium sp. sw1 cells.  - glabal algae summit (gas) 2024.  . 

fadzila hanim kasim, wan syaidatul aqma, fareed sairi, hassimi abu hasan, peer mohamed, mohamed yusuf mohamed nazir, aidil abdul hamid.  (2024).  efficient co-production of docosahexaenoic acid (dha) and squalene using pineapple liquid waste by aurantiochytrium sp. sw1.  - glabal algae summit (gas) 2024.  .