Dambudziko remvura reYancheng zvichitevera kubuda kweblue-green algae muLake reTaihu rakaridza zvakare alarm yekuchengetedzwa kwezvakatipoteredza. Parizvino, chakakonzera kusvibiswa kwacho chakatanga kuzivikanwa. Zvigadzirwa zviduku zvemakemikari zvakapararira kumativi emvura iyo vagari ve300,000 vanotsamira. Kemikari tsvina yemvura inobudiswa navo yakasvibisa zvakakomba matsime emvura yekunwa. Kana zviri zvechimbichimbi kugadzirisa dambudziko iri guru rekusvibiswa kwemvura muindasitiri yemakemikari, vatori venhau vakadzidza nguva pfupi yadarika kuti makambani ekuchenesa mvura anoshandiswa kuchenesa makemikari emvura yetsvina uye kwakasiyana-siyana kugadzirwa kwemvura ari kusangana nekutengesa. Maererano nekuferefeta kwemutori wenhau, pane chiitiko chakabatikana pamusuwo weHenan Huaquan Tap Mvura Yekushandisa General Factory. Zvinonzwisiswa kuti nekuda kwekuenderera mberi kwemaodha, parizvino Gongyi Guta reFuyuan Water Purification Materials Co., Ltd., Songxin Filter Material Industry Co., Ltd., Hongfa Net Water kurapwa makambani akadai seWater Materials Co., Ltd. uye Xinhuayu Mvura Yekuchenesa Agent Factory inogadzira mvura yekuchenesa maajenti, activated kabhoni, uye mapepa ekugadzira flocculants ari kushanda akazara. Rega mupepeti aende newe kumugadziri wemvura uye udzidze nezve bakatwa rinopenya rekurapa kusvibiswa kwemvura yemakemikari.
Mishonga yekuchenesa mvura inoreva mishonga inoshandiswa pakuchenesa mvura. Iwo anoshandiswa zvakanyanya muindasitiri yemakemikari, peturu, indasitiri yemwenje, makemikari ezuva nezuva, machira, kudhinda uye dhayi, kuvaka, simbi, michina, mishonga uye hutano, zvekufambisa, mumaguta uye kumaruwa kuchengetedza kwezvakatipoteredza uye mamwe maindasitiri kuti awane kuchengetedza kwemvura. uye chinangwa chekudzivirira kusvibiswa kwemvura.
Vamiririri vekurapa mvura vanosanganisira vamiririri vanodiwa pakutonhodza mvura uye boiler mvura kurapwa, mvura yegungwa desalination, membrane kupatsanurwa, biological kurapwa, flocculation uye ion exchange uye humwe hunyanzvi. Senge corrosion inhibitors, scale inhibitors uye dispersants, bactericidal uye algaecidal agents, flocculants, ion exchange resins, purifiers, kuchenesa vamiririri, pre-firimu vamiririri, nezvimwewo.
Zvinoenderana neakasiyana mashandisiro uye maitiro ekurapa, iwo makuru marudzi emishonga yekuchenesa mvura ndeaya:
Reverse osmosis mvura yakachena gadziriro yekurapa kwemvura: Uchishandisa gadziriro yekomboni ine yakanaka synergistic kurapwa maitiro, inogona kudzivirira zvinobudirira kuumbwa kwechiyero uye hutachiona hutachiona, kuvandudza chiyero che desalination uye kugadzirwa kwemvura kwehurongwa, uye kuwedzera hupenyu hwebasa reRO. membrane.
Special anti-scaling, yakakosha yekuchenesa mumiririri
Kutenderedza kurapwa kwemvura inotonhorera: ita shuwa kuti shongwe dzemvura inotonhodza, machiller uye zvimwe midziyo zviri muchimiro chekushanda, kudzora zvinobudirira maruva emicrobial, kutadzisa kugadzirwa kwechiyero, uye kudzivirira kuora kwemidziyo yepombi. Kuzadzisa chinangwa chekudzikisa simba rekushandisa uye kuwedzera hupenyu hwebasa remidziyo. Gadzira hurongwa hwekuchenesa mvura hwepurojekiti, uchishandisa gadziriro yekuchenesa mvura yakasanganiswa uye yakazara tekinoroji sevhisi system.
Bactericidal algaecide
Iyo boiler yekuchenesa mvura yekugadzirira inotora gadziriro yekomboni ine yakanaka synergistic kurapwa maitiro kudzivirira kukoromoka uye kuyera kweiyo boiler, kudzikamisa iyo boiler mvura mhando, kuve nechokwadi chekushanda kwakajairika kwebhailer, kuderedza kushandiswa kweiyo boiler muviri, uye kuwedzera hupenyu hwayo hwebasa. .
Compound boiler mvura yekurapa kugadzirisa
Inogona kuchenesa agent
Alkalinity adjuster
Imba yekupfapfaidza inotenderedza gadziriro yekuchenesa mvura: Mumiririri gadziriro yekomboni ine kugona kupararira kwakakura. Iyo pendi inosara inobata ine yakanaka dehydration properties. Iyo yakarapwa pendi yakasara iri mune isina-namira misa, iyo yakanakira salvage uye kumwe kugadzirisa muchikamu chinotevera. Nzvimbo yemishonga ine hushamwari uye yakagadzikana kugadzirisa kushanda. Inogona kudzivirira zvinobudirira dambudziko rinokonzerwa nepende inonamatira kumidziyo yepombi, uku ichideredza iyoCOD zvemukatimumvura, kubvisa kunhuhwirira, kuvandudza nharaunda, uye kuwedzera hupenyu hwebasa remvura inotenderera.
Machine pendi resin dispersant (pendi mhute coagulant)
suspending agent
Magadzirirwo ekugadzirisa mvura yetsvina: Uchishandisa tekinoroji yekuchenesa mvura inonzwisisika, yakasanganiswa nekudzika kwemvura yakadzika, mvura yakagadziriswa inogona kusangana neGB5084-1992, CECS61-94 yakadzoreredzwa miyero yemvura, nezvimwewo, uye inogona kushandiswazve kwenguva yakareba, kuchengetedza mvura yakawanda. zviwanikwa.
Environmentally hushamwari COD yakakosha remover
heavy metal capture agent
Mishonga yekuchenesa mvura uye kuchengetedza mvura
Kuti tichengetedze mvura, tinofanira kutanga tatora mvura yemumaindasitiri iyo inoshandiswa zvakanyanya. Pakati pemvura yemaindasitiri, mvura inotonhorera inoverengera chikamu chikuru, ichiverengera 60% kusvika 70%. Naizvozvo, kuchengetedza mvura inotonhorera rave iro basa rekukurumidzira rekuchengetedza mvura mumaindasitiri.
Mushure mekunge mvura inotonhorera yakashandiswa zvakare, kushandiswa kwemvura kunochengetedzwa zvakanyanya. Nekudaro, nekuda kwekuenderera kwekubuda kwemvura inotonhorera, munyu uri mumvura wakanyura, uye kusangana pakati pemvura inotonhorera nemhepo kunowedzera zvakanyanya izvo zvakanyungudutswa okisijeni uye mabhakitiriya, zvichikonzera kuyera kwakakomba, ngura uye bhakitiriya uye algae. kukura mumvura inotonhora inotenderera, iyo inoita kupisa Mutengo wekutsinhanisa wakaderedzwa zvikuru uye kugadzirisa kunowanzo, kutyisidzira kugadzirwa kwakajairika. Nechikonzero ichi, mascale inhibitors, corrosion inhibitors, bactericidal algaecides uye avo anotsigira ekuchenesa maajenti, pre-mafirimu maajenti, dispersants, defoaming agents, flocculants, nezvimwe zvinofanirwa kuwedzerwa kumvura inotonhorera. Iyi seti yetekinoroji inowedzera makemikari ekudzivirira kuyera, ngura, uye kukura kwebhakitiriya uye algae mumvura inotenderera inonzi tekinoroji yekurapa mvura. Inosanganisira pretreatment, kucheneswa, pickling, pre-filling, normal dosing, sterilization uye mamwe maitiro. Kushandiswa kwecoagulants uye flocculants mukurapa kwekutanga kwekutsvaira kwetsvina zvakare inzira yakakosha yekudzoreredza tsvina. Kemikari yekurapa mvura tekinoroji parizvino inozivikanwa kumba nekune dzimwe nyika senzira yakajairika uye inoshanda yekuchengetedza mvura mumaindasitiri.
makemikari ekurapa mvura mumiririri
Kemikari kurapwa itekinoroji yekurapa inoshandisa makemikari kubvisa uye kudzivirira kuyera, ngura, bhakitiriya uye algae kukura, uye kuchenesa mvura. Inoshandisa coagulants kubvisa tsvina yemagetsi mumvura yakasvibirira, inoshandisa scale inhibitors kudzivirira kuwedzera, inoshandisa corrosion inhibitors kuvharidzira kuora, inoshandisa bactericides kudzivirira kukura kwehutachiona hunokuvadza, uye inoshandisa mishonga yekuchenesa kubvisa masara emarara, chiyero chekare, mavara emafuta, etc.
Kune marudzi matatu emishonga yekuchenesa mvura inoshandiswa muhuwandu hwakawanda: flocculants; bactericidal uye algaecidal agents; uye chiyero uye corrosion inhibitors. Flocculant inonziwo coagulant. Basa rayo nderekujekesa nyaya yakamiswa mumvura uye kuderedza turbidity yemvura. Kazhinji, inorganic salt flocculant inoshandiswa kuwedzera zvishoma zveorganic polymer flocculant, iyo inonyungudutswa mumvura uye inosanganiswa zvakaenzana nemvura yakagadziriswa kuti iite kuti imiswe. Zvizhinji zvezvinhu zvakaserera. Bactericidal uye algaecidal agents, anonziwo biocides, anoshandiswa kudzora kana kubvisa mabhakitiriya nealgae mumvura. Scale uye corrosion inhibitors inonyanya kushandiswa mukutenderedza mvura inotonhorera kuti iwedzere kusungirirwa kwemvura, kuderedza kuyerera kwetsvina kuti uwane kuchengetedza kwemvura, uye kuderedza kuyera nekuora kweanopisa kupisa nemapombi.
Ngatitarisei pane zvishoma zveizvi zvinoshandiswa pakuchenesa mvura.
1. Flocculant
1. Starch derivative flocculant
Mumakore achangopfuura, starch flocculants zvakare yakashandiswa zvakanyanya mukudhinda uye kudhaya mvura ine tsvina. Li Xuxiang nevamwe vakashandisa ammonium persulfate semuvambi wekubatanidza uye kucopolymerize mvura chestnut poda uye acrylonitrile. Iyo yakagadziridzwa starch yakagadzirwa yakasanganiswa neiyo coagulant basic aruminiyamu chloride kurapa kudhinda nekudhaya mvura yetsvina, uye mwero wekubvisa turbidity unogona kusvika kupfuura 70%. Zhao Yansheng et al., zvichibva pane maviri-nhanho synthesis ye cationic starch flocculant ne copolymerization ye starch uye acrylamide, yakaita nhanho-imwe synthesis uye ongororo yekushanda kwe starch-acrylamide graft copolymer modified cationic flocculant CSGM. Mhedzisiro yakanaka yakawanikwa pakudhinda nekudhaya mvura yetsvina kubva muzvigayo zvemvere. Chen Yucheng et al. akashandisa zvakasara kubva mukugadzirwa kwekonjac powder, yakashandiswa urea sechinhu chinokonzera, uye yakagadzira flocculant Nha. Kana iyo dosi yaive 120 mg/L, iyo COD yekubvisa mwero yaive 68.8%, uye chroma yekubvisa rate inosvika 92%. Yang Tongzai et al. yakagadzira cationic yakagadziridzwa polymer flocculant vachishandisa starch seyakagadzirwa, uye yakaishandisa kuchenesa yakareruka maindasitiri emarara senge kudhinda nekudhaya. Mhedzisiro yekutsvagisa yakaratidza kuti chiyero chekubvisa chezvakamiswa zvakamira, COD, uye chroma yaive yakakwira uye sludge yakagadzirwa. Huwandu hudiki, uye mhando yemvura yakagadziriswa yakagadziriswa inovandudzwa zvakanyanya.
2. Lignin derivatives
Kubva kuma1970s, nyika dzekunze dzakadzidza kuumbwa kwequaternary ammonium cationic surfactants vachishandisa lignin seyakagadzirwa, uye vakaishandisa kurapa tsvina yedhayi uye vakawana yakanaka flocculation mhedzisiro. Zhu Jianhua nevamwe munyika yangu vakashandisa lignin mukugadzira mapepa ekubikisa tsvina yemvura kugadzira cationic surfactants kurapa kudhinda uye kudhaya tsvina yemvura. Mhedzisiro yacho yakaratidza kuti lignin cationic surfactants ine yakanaka flocculation zvivakwa uye decolorization rate inodarika 90%. Zhang Zhilan et al. yakabviswa lignin kubva muhuswa pulp dema doro se flocculant, uye akaenzanisa mhedzisiro nealuminium chloride uye polyacrylamide, ichisimbisa hukuru hwe lignin mukurapa kudhinda uye kudhaya tsvina yemvura. Lei Zhongfang et al. akadzidza kubviswa kwe lignin kubva kune alkali mashanga pulp nhema doro pamberi uye mushure meanaerobic kurapwa se flocculant kurapa kudhinda uye kudhaya tsvina yemvura, uye yakawana mhedzisiro yakanaka. Pachikonzero ichi, Lei Zhongfang et al. akadzidzawo flocculation effect ye lignin. Iyo meshini inoratidza kuti lignin flocculant ishandiso yekuchenesa mvura ine yakakosha mhedzisiro pane yakanyanya turbidity uye acidic tsvina mvura.
3. Mamwe masikirwo epolymer flocculants
Miya Shiguo nevamwe vakashandisa zviwanikwa sechinhu chikuru chekushandisa, uye mushure mekugadzirwa kwemuviri nemakemikari, vakagadzira itsva amphoteric composite coagulation decolorizing agent ASD-Ⅱ kufambisa dhayi dhayi rekudzikisa, vulcanization, naftol, cationic uye reactive dhayi mukudhinda. uye kudhaya zvirimwa. Mukuedza kwe decolorization, avhareji ye decolorization rate yaive yakakura kupfuura 80%, ine huwandu hunopfuura 98%, uye COD yekubvisa mwero yaive avhareji yeinopfuura 60%, ine huwandu hunopfuura 80%. Zhang Qiuhua et al. yakashandisa yakagadziridzwa carboxymethyl chitosan flocculant kurapa kudhinda uye kudhaya tsvina yemvura kubva mufekitari tauro. Mhedzisiro yekuedza yakaratidza kuti iyo carboxymethyl chitosan flocculant yaive yepamusoro kune imwe inowanzoshandiswa yemhando yepamusoro yetsvina decolorization uye COD yekubvisa mhedzisiro. Molecular flocculants.
2. Bactericidal uye algaecide
Inogona kunyatso kuchera kubereka kwe algae uye kukura kwe slime. Iyo ine yakanaka sterilization uye algae kuuraya kugona mune akasiyana pH kukosha siyana, uye ine kupararira uye kupinza mhedzisiro. Inogona kupinda uye kubvisa slime uye kubvisa algae yakabatanidzwa.
Mukuwedzera, ine maitiro ekubvisa mafuta. Inoshandiswa zvakanyanya mukutenderedza kutonhora kwemvura masisitimu, oiri munda wemvura jekiseni masisitimu, uye inotonhorera masisitimu emvura. Inogona kushandiswa seisina-oxidative sterilizing uye algaecide agent uye slime stripper. Inogona zvakare kushandiswa seyekuyera mumiriri we acrylic fiber dhayi uye kutsetseka isati yagadzirwa machira. uye antistatic kurapwa.
3. Scale uye corrosion inhibitors
Hydroxyethylidene diphosphonic acid HEDP
chimiro:
HEDP is an organic phosphoric acid scale uye corrosion inhibitor iyo inogona kuumba yakagadzika macomplexes ane akasiyana simbi ayoni akadai sesimbi, mhangura, uye zinc, uye inogona kunyungudutsa maokisisi panzvimbo dzesimbi. HEDP ichiri kukwanisa kuita basa rakanaka mukuora uye kuvharika kwechiyero pa 250 ° C, ichiri yakagadzikana pasi pehupamhi hwepH, haisi nyore kuisa hydrolyze, uye haisi nyore kuparara pasi pechiedza chakakwana uye mamiriro ekupisa. Asidhi yayo uye alkali kuramba uye chlorine oxidation kuramba zviri nani pane mamwe organic phosphates (munyu). HEDP inogona kuumba chelate-ring-chelate matanhatu nemaoni esimbi mumvura, kunyanya maion e calcium. Naizvozvo, HEDP ine chikero chakanaka inhibition effect uye iri pachena solubility limit effect. Kana ichishandiswa pamwe chete nemamwe majekiseni ekurapa mvura, inoratidza yakakodzera Synergy. HEDP yakasimba chigadzirwa chepamusoro-chepamusoro chakakodzera kushandiswa munzvimbo dzine kutonhora kwakanyanya; inonyanya kukodzera kuchenesa vamiririri uye zuva nezuva makemikari ekuwedzera muindasitiri yemagetsi.
HEDP application chiyero uye kushandiswa
HEDP inoshandiswa zvakanyanya mumaindasitiri anotenderedza kutonhora emvura masisitimu akadai semagetsi, indasitiri yemakemikari, simbi, uye fetiraiza, pamwe nepakati uye yakaderera-inodzvinyirira boilers, mafuta emumunda jekiseni remvura, uye mapaipi emafuta ekuyera uye kuvharisa. HEDP inogona kushandiswa sechinhu chekuchenesa simbi nezvisiri simbi muindasitiri yemachira. , peroxide stabilizer uye ruvara-inogadzirisa mumiriri mu bleaching uye dhayi indasitiri, uye complexing agent mu cyanide-isina electroplating indasitiri. HEDP inowanzoshandiswa pamwe chete nepolycarboxylic acid-type scale inhibitor uye dispersant.
Musika wekuchenesa mvura uri kuwedzera muna 2009
Mazuva ano, kurapwa kwetsvina kuri kugamuchira kutariswa kuri kuwedzera kubva kumabhizinesi epamba. Pamusoro pezvo, mabhizinesi epasi pemvura akatanga kushanda mushure mekutanga kwechirimo, uye kudiwa kwevashandi vekuchenesa mvura kuri kuwedzera zuva nezuva. Mamiriro ese ezvinhu eakagadzirwa kabhoni mabhizinesi pakutanga kwegore ari nani pane gore rapfuura. Mutori wenhau akadzidza kuti gore negore kubuda kwezvigadzirwa zvekuchenesa mvura muGongyi Guta, Henan Province inotora 1/3 yehuwandu hwenyika, uye kune makumi manomwe kana makumi masere mafekitori ekuchenesa mvura.
Nyika yedu inokoshesa zvakanyanya kuchengetedzwa kwetsime remvura uye kurapwa kwesuweji, uye yakaramba ichiwedzera kutsigirwa kwezvirongwa zvakasarudzika. Kunyangwe dambudziko rezvemari repasi rose parakanga rakanganisa zvakanyanya indasitiri yemakemikari, nyika haina kuregedzesa kutonga kwayo kwezvakatipoteredza uye yakavhara zvakasimba makambani emakemikari ane hutsi hwakanyanya hwekusvibisa. Panguva imwecheteyo, yakakurudzira kudyara uye kumisikidzwa kwemapurojekiti emakemikari asina kusvibisa uye akaderera-emission. . Naizvozvo, makambani ekuchenesa mvura achaunza mikana mitsva yebudiriro muna 2009.
Gore rakapera, nekuda kwekuderedzwa kwemaodha emakambani ekuchenesa mvura, huwandu hwese hwekushanda hwaingotenderedza 50% yegore rose. Kunyanya mumwedzi mushure mekunge dambudziko rezvemari ratanga, chiyero chekushanda chakanga chakaderera. Nekudaro, tichitarisa kubva kune yazvino kugadzirwa mamiriro, makambani mazhinji ari kutanga zvishoma nezvishoma kugadzira uye zvishoma nezvishoma kubuda mumumvuri wedambudziko remari.
Parizvino, huwandu hwekushanda kwevagadziri vakati wandei vekugadzira mapepa muGuangdong vari kuwedzera. Munguva pfupi yapfuura, mirairo yatakapihwa nemakambani ekuchengetedza zvakatipoteredza ave kuwedzerawo. Mitengo yekushanda yemabhizinesi yakawedzera. Izvi zvinonyanya kukonzerwa nezvikonzero zvinotevera: Chekutanga, kudhindisa nekudhaya, kudhinda nekudhaya, makambani ekugadzira mapepa akatanga kushanda rimwe pashure peumwe. Nekuti mabhizinesi akadai achaburitsa huwandu hwakakura hwetsvina mushure mekushanda, kudiwa kwevamiririri vekuchenesa mvura senge papermaking flocculants kuchawedzera, izvo zvinozotungamira mukuwedzera kwemirairo yevamiririri vekuchenesa mvura; chechipiri, maindasitiri emakemikari akasiyana-siyana anokonzerwa nedambudziko remari Mutengo wezvigadzirwa wakaderera zvakanyanya, ukuwo kuderera kwezvigadzirwa zvevatengi zvakadai semapepa, dhayi, zvipfeko, nezvimwewo hazvina kukosha, izvo zvakaderedza mari yekugadzira mvura. makambani ekurapa vamiririri uye akawedzera mari yavo yepurofiti; chechitatu, kubvira gore rapfuura, zvinodiwa nenyika zvekuchengetedzwa kwezvakatipoteredza zvawedzera kuomarara. Zvikurukuru, mabhizimisi ose emakemikari, okudhinda nokudhayi, uye ekugadzira mapepa akawedzera nhamburiko dzawo mukuvakwa kwepombi dzetsvina. Mabhizinesi mazhinji ari padanho rekuvaka rezvivakwa uye haasati anyatso kuumba kudiwa chaiko kwevashandi vekuchenesa mvura. Zvisinei, pakutanga kwegore rino, kuvakwa kwezvirongwa kwakapedzwa. Kuzadzikisa zviyero kwagadzira kudiwa kwevashandi vekuchenesa mvura. Mukuwedzera, mushure mokunge dambudziko rezvemari rakatanga munaSeptember gore rapera, mari yekuchengetedzwa kwekuchengetedzwa kwezvakatipoteredza yakapindawo panguva yakaderera. Zvichitungamirirwa neaya mabhenefiti maviri, gore rino richaumba nguva yekudiwa kukuru kwevamiririri vekuchenesa mvura; chechina, inobva pane yazvino yakanaka mari nharaunda. Kuti tikunde dambudziko remari, nyika yakaramba ichiunza mitemo yerutsigiro, kunyanya mukuchenesa mvura. Naizvozvo, mapoinzi matsva ekukura kwemakambani ekuchenesa mvura anozogadzira zvishoma nezvishoma.
Mumwe mutengesi anga achishanda mukutengesa kwe polyaluminium chloride kwemakore akawanda akashuma kuti kuwedzera kwezvino kudiwa kwemusika, kuderedzwa kwemitengo yekugadzira, uye kutsigirwa kwepurogiramu yakasarudzwa zvakanaka kune kambani, asi panguva imwe chete, vanonzwa kudzvinyirira kusati kwamboitika. Nekuti kana makambani epasi achiisa maodha izvozvi, zvavanoda zvemhando yechigadzirwa uye mushure mekutengesa sevhisi zvakakwirira kupfuura kare. Izvi zvinomanikidza makambani akakodzera kuti asangotora mikana yebudiriro, asi zvakare kugadzirisa pfungwa nenguva uye kuwedzera shanduko yetekinoroji. Kuvandudza mhando yechigadzirwa uye kuwedzera mari mukutsvagisa uye kusimudzira zvigadzirwa zvitsva zvekuchenesa mvura kuti uise hwaro hwakasimba hweiyo hutano uye yenguva refu kusimudzira kwese indasitiri yekuchenesa mvura.
Kuvandudzwa kwemishonga yekuchenesa mvura kunowanzoita kusvibira
Mukutanga kwezana ramakore, shanduko huru dzechimurenga dzakaitika munzira yekusimudzira yekemikari yenyika nemakemikari einjiniya, izvo zvakaratidzwa nekuunzwa kwepfungwa ye "green chemistry". Semumiriri wekuchenesa mvura yemakemikari akasarudzika, hurongwa hwayo hwekuvandudza hwakabatana negirinhi chemistry.
Kutsvaga kusvibirira kwevamiririri vekuchenesa mvura kunotanga kubva kuhurongwa hwekusimudzira kuzadzisa kusvibira kwezvigadzirwa zvekuchenesa mvura, kusvibirira kwezvinhu zvakasvibirira uye mareagents ekushandura anoshandiswa mukugadzirwa kweajenti yekuchenesa mvura, kusvibira kwemaitiro ekugadzirisa mvura, uye kusvibira kwemaitiro ekugadzirwa kwemvura yekurapa. Kusvibira kwemamiriro ezvakatipoteredza kwave muganhu wezvidzidzo uye kutsvagisa kwakakosha uye nzira yekusimudzira yesainzi yechisikigo.
Nyaya inonyanya kukosha pari zvino kusvibira kwezvinonangwa mamorekuru ekuchenesa mvura zvigadzirwa, nekuti pasina iyo inonangwa molecule, maitiro ayo ekugadzira angadai asingagone. Kutanga kubva pane pfungwa yegirinhi kemisitiri, maererano nemaitiro emunyori uye ruzivo, kusvibira kwevashandi vekuchenesa mvura kunogona kutanga kubva pane zvinotevera. Kugadzira mishonga yakachengeteka yekuchenesa mvura Iyo pfungwa yegirinhi chemistry iri kugadziridza nzira yekuvandudza tekinoroji yekuchenesa mvura nemakemikari ekuchenesa mvura. Biodegradability, kureva kuti, zvinhu zvinogona kuoreswa netwudiki kuita mafomu akareruka, anogamuchirika kwezvakatipoteredza, inzira yakakosha yekudzikamisa kuunganidzwa kwemakemikari munzvimbo. Naizvozvo, kana uchigadzira mishonga mitsva yekuchenesa mvura ine hushamwari kwezvakatipoteredza uye yakachengeteka kuvanhu, biodegradability ndiyo inofanirwa kutariswa.
Iyo synthesis miedzo yatakaita inoratidza kuti linear polyaspartic acid ine yakakwira huremu hwemamorekuru ine yakanakisa dispersion, corrosion inhibition, chelation uye mamwe mabasa, uye inogona kushandiswa seyero inhibitor, corrosion inhibitor uye dispersant. Kuongororwazve kwezvinhu zviripo zvekuchenesa mvura kubva pakatanga nyika yangu tsvakiridzo nekuvandudza tekinoroji yemazuva ano yekuchenesa mvura uye mishonga yekuchenesa mvura mukutanga kwema1970, mhedzisiro yakawanda yakakosha yakawanikwa. Kunyanya panguva ye "Eighth Five-Year Plan" uye "Yepfumbamwe-Makore Mashanu Plan" nguva, nyika yakapa rubatsiro rwakanyanya mukutsvagisa nekuvandudzwa kwemishonga yekuchenesa mvura, iyo yakakurudzira zvikuru kufambira mberi kwesainzi yekuchenesa mvura uye tekinoroji uye yakagadzira nhevedzano. yetekinoroji uye zvigadzirwa zvine yakazvimirira kodzero yepfuma yeruzivo.
Parizvino, mishonga yedu yekuchenesa mvura inonyanya kusanganisira corrosion inhibitors, scale inhibitors, biocides uye flocculants. Pakati pavo, corrosion inhibitors uye scale inhibitors ari pedyo nepamusoro penyika yepamusoro maererano nekusimudzira kwakasiyana. Parizvino, mafomula emhando yemvura inodzikamisa anoshandiswa mumaindasitiri anotenderera mvura inotonhorera anonyanya phosphorus-based, inoverengera inosvika 52 ~ 58%, molybdenum-based formulas account ye20%, silicon-based formula inosvika 5% -8%, uye tungsten-based formulas account ye5% %, mamwe mafomula anoita 5% ~ 10%. Pfungwa yegreen chemistry iri kuongorora zvakare basa uye kushanda kwemakemikari aripo ekurapa mvura. Kune zvigadzirwa zvine mabasa anotozivikanwa, biodegradability ndiyo inonyanya kukosha yekuongorora chiratidzo.
Kunyangwe zvazvo phosphorus-based corrosion and scale inhibitors, polyacrylic acid nemamwe mapolymers uye copolymer scale inhibitors ayo ave kushandiswa zvakanyanya pamusika akaita mabhindauko mukutonhodza tekinoroji yekuchenesa mvura, vakaita basa rakakosha mukugadzirisa dambudziko rekuderera kwemvura yakatarisana. nevanhu. inoita basa rinokosha.
Nguva yekutumira: Mar-01-2024
