Ka José Miguel Muñoz Gómez - Li-liner tsa polyethylene tse nang le sekhahla se phahameng haholo li tsebahala ka ts'ebetso ea ho boloka lithōle, merafong, metsi a litšila le makaleng a mang a bohlokoa.Taba eo ho sa buuoeng ka eona haholo empa e le ea bohlokoa, ke tekanyo e phahameng ea carbon footprint eo HDPE geomembranes e fanang ka eona khahlanong le litšitiso tsa setso tse kang letsopa le kopantsoeng.
HDPE liner ea 1.5mm (60-mil) e ka fana ka tiiso e ts'oanang le 0.6m ea letsopa la boleng bo holimo, le nang le homogeneous le entsoeng ka tlase ho 1 x 10‐11 m/sec (ka ASTM D 5887).Ka mor'a moo, geomembrane ea HDPE e feta mehato ea ho se khonehe le ho tšoarella ha motho a hlahloba tlaleho e feletseng ea saense, ka ho nahanela lisebelisoa tsohle le matla ha ho etsoa letsopa le li-geomembrane tsa HDPE tse tla sebelisoa e le lera le thibelang.
Mokhoa oa geosynthetic o fana ka, joalo ka ha data e bontša, tharollo e se nang botsoalle haholoanyane.
KARBON FOOTPRINT & HDPE GEOMEMBRANE FEATURES
Karolo e ka sehloohong ea HDPE ke monomer ethylene, e entsoeng ka polymerized ho etsa polyethylene.Li-catalysts tse kholo ke aluminium trialkylitatanium tetrachloride le chromium oxide.
The polymerization ea ethylene le co-monomers ka HDPE e etsahala ka sekontiri se nang le hydrogen mocheso o fihlang ho 110 ° C (230 ° F).Ka mor'a moo, phofo ea HDPE e hlahisoang e kenngoa ka har'a pelletizer.
SOTRAFA e sebelisa mokhoa oa calandred (flat die) ho etsa HDPE geomembrane ea eona e ka sehloohong (ALVATECH HDPE) ho tloha ho li-pellets tsena.
Khethollo ea GHG le Likamano tsa CO2
Likhase tse futhumatsang lefatše tse kenyellelitsoeng tlhahlobong ea rona ea khabone e ne e le tsona li-GHG tsa mantlha tse nkuoeng ho liprothokholo tsena: carbon dioxide, methane, le nitrous oxide.Khase e 'ngoe le e 'ngoe e na le Monyetla o fapaneng oa Global Warming Potential (GWP), e leng tekanyo ea hore na boima bo fanoeng ba khase e futhumatsang lefatše bo tlatsetsa hakae ho futhumala ha lefatše kapa phetoho ea maemo a leholimo.
Carbon dioxide ka tlhaloso e fane ka GWP ea 1.0.Ho kenyelletsa ka bongata litlatsetso tsa methane le nitrous oxide ho phello e akaretsang, boima ba methane le nitrous oxide e hlahisoang bo atolosoa ke lintlha tsa bona tsa GWP ebe bo eketsoa ho khase ea carbon dioxide ho bala "khabone e lekanang le khabone" boima. tlhahiso.Bakeng sa sengoloa sena, li-GWP li nkiloe ho boleng bo thathamisitsoeng ho tataiso ea 2010 US EPA "Tlaleho e Tlamang ea Mosi oa Khase e Greenhouse."
Li-GWP tsa li-GHG li hlokometsoe tlhahlobisong ena:
Carbon Dioxide = 1.0 GWP 1 kg CO2 eq/Kg CO2
Methane = 21.0 GWP 21 Kg CO2 eq/Kg CH4
Nitrous Oxide = 310.0 GWP 310 lik'hilograma CO2 eq/kg N2O
Ho sebelisoa li-GWP tse amanang le li-GHG, boima ba likhase tse lekanang le carbon dioxide (CO2eq) bo ile ba baloa ka tsela e latelang:
lik'hilograma CO2 + (21.0 x kg CH4) + (310.0 x kg N2O) = lik'hilograma CO2 eq
Maikutlo: Tlhahisoleseding ea matla, metsi, le litšila ho tsoa ho monkong oa thepa e tala (oli kapa khase ea tlhaho) ka tlhahiso ea li-pellets tsa HDPE ebe ho etsoa geomembrane HDPE:
5 limilimithara tse botenya ba HDPE geomembrane, e nang le boima ba 940 Kg/m3
HDPE carbon footprint ke 1.60 Kg CO2/kg polyethylene (ICE, 2008)
940 Kg/m3 x 0.0015 mx 10,000 m2/ha x 1.15 (matlapa le ho fetana) = 16,215 Kgr HDPE/ha
E = 16,215 Kg HDPE/Ha x 1.60 Kg CO2/kg HDPE => 25.944 Kg CO2 eq/ha
Assumption Transport: 15.6 m2/lori, 1000 km ho tloha femeng ea tlhahiso ho ea sebakeng sa mosebetsi
15 kg CO2/ gal diesel x gal/3,785 liter = 2.68 Kg CO2 /litha e le nngwe diesel
26 g N2O/gal diesel x gal/3,785 liters x 0.31 kg CO2 eq/g N2O = 0.021 kg CO2 eq/liter diesel
44 g CH4/gal diese x gal/3,785 litres x 0.021 kg CO2 eq/g CH4 = 0.008 kg CO2 eq/liter diesel
1 lithara ea disele = 2.68 + 0.021 + 0.008 = 2.71 lik'hilograma CO2 eq
Mesi e hlahisoang ke lipalangoang tsa literaka tse tseleng:
E = TMT x (EF CO2 + 0.021∙EF CH4 + 0.310∙EF N2O)
E = TMT x (0.972 + (0.021 x 0.0035)+(0.310 x 0.0027)) = TM x 0.298 Kg CO2 eq/ton‐mile
Moo:
E = Kakaretso ea likhase tse lekanang tsa CO2 (kg)
TMT = Ton Miles e Tsamaile
EF CO2 = CO2 emission factor (0.297 kg CO2/ton-maele)
EF CH4 = CH4 emission factor (0.0035 gr CH4/ton-maele)
EF N2O = N2O emission factor (0.0027 g N2O/ton-mile)
Ho fetolela ho Metric Units:
0.298 kg CO2/ton-mile x 1.102 tons/tonne x mile/1.61 km = 0,204 kg CO2/tonne‐km
E = TKT x 0,204 kg CO2 eq/tonne‐km
Moo:
E = Kakaretso ea likhase tse lekanang tsa CO2 (Kg)
TKT = tonne – lik’hilomithara tse Tsamaileng.
Distance from Manufacturing Plant (Sotrafa) to Job Site (Hypothetical) = 1000 km
Tloaelehileng boima ba teraka: 15,455 lik'hilograma / teraka + 15.6 m2 x 1.5 x 0.94 / teraka = 37,451 lik'hilograma / teraka
641 literaka/ha
E = (1000 km x 37,451 kg/teraka x tonne/1000 kg x 0.641 teraka/ha) x 0.204 kg CO2 eq/tonne‐km =
E = 4,897.24 Kg CO2 eq/ha
Kakaretso ea Geomembrane HDPE 1.5 mm Carbon Footprint
LITŠOANTŠISO TSA LITSAMAI TSA LETSOPA TSE KOPANENG LE MOHATO OA KHABONE
Lithapo tsa letsopa tse hokahaneng li 'nile tsa sebelisoa historing e le litšitiso matangoaneng a metsi le lisebelisoa tsa ho thibela litšila.Litlhoko tse tloaelehileng tsa taolo bakeng sa li-liner tsa letsopa tse kopantsoeng ke bonyane botenya ba 0.6 m, ka conductivity e phahameng ea hydraulic ea 1 x 10-11 m / sec.
Ts'ebetso: Letsopa moo motho a alimang le chekoa ho sebelisoa thepa e tloaelehileng ea kaho, eo hape e kenyang thepa literakeng tsa ho lahlela li-tri‐axle bakeng sa ho li isa sebakeng sa mosebetsi.Lori e 'ngoe le e' ngoe e nahanoa hore e na le matla a 15 m3 ea mobu o hlephileng.Ho sebelisoa compaction factor ea 1.38, ho hakanngoa hore ho tla hlokahala lithōle tse fetang 550 tsa mobu ho aha lesela la letsopa le teteaneng la 0.6m sebakeng sa hektare e le 'ngoe.
Sebaka ho tloha mohloling oa likalimo ho ea sebakeng sa mosebetsi, ehlile, se tobane le sebaka 'me se ka fapana haholo.Bakeng sa tlhahlobo ena, sebaka sa lik'hilomithara tse 16 (10 miles) se ne se nkoa.Lipalangoang tse tsoang mohloling oa ho alima letsopa le sebaka sa mosebetsi ke karolo e kholo ea tlhahiso ea khabone ka kakaretso.Boikutlo ba khabone ka kakaretso liphetohong tse fapaneng tsa sebaka sena bo hlahlojoa mona.
Kakaretso ea Compacted Clay Liner Carbon Footprint
TS'ELISO
Le hoja li-geomembrane tsa HDPE li tla lula li khethoa bakeng sa ts'ebetso pele ho melemo ea carbon footprint, lipalo tse sebelisitsoeng mona li boetse li tšehetsa tšebeliso ea tharollo ea geosynthetic ka mabaka a ts'ebetso khahlanong le litharollo tse ling tse tloaelehileng tsa kaho.
Li-geomembrane tse kang ALVATECH HDPE 1.5 mm li tla hlalosoa bakeng sa lik'hemik'hale tse phahameng tsa lik'hemik'hale, thepa e matla ea mochine, le bophelo ba nako e telele ea tšebeletso;empa hape re lokela ho ipha nako ea ho hlokomela hore thepa ena e fana ka tekanyo ea carbon footprint e ka tlaase ho 3x ho feta letsopa le pentiloeng.Leha o ka lekola letsopa la boleng bo botle le sebaka sa ho alima sebaka se bohōle ba lik'hilomithara tse 16 feela ho tloha sebakeng sa morero, HDPE geomembranes e tsoang bohole ba 1000 km e ntse e feta letsopa le kopaneng ho tekanyo ea khabone.
E tsoa ho: https://www.geosynthetica.net/carbon-footprint-hdpe-geomembranes-aug2018/
Nako ea poso: Sep-28-2022