KHOA HOC VA CONG NGHE MO / N G H I E N CUtJ TUYEN NOI MOT SO MAU THAN HAT MjN VUNG HON GAI CAM PHA TRONG DUNG D ICH Nlf6c BICN PGS TS NGUYEN HOANG SON, TS NHUTTH! KIM DUNG Tnmng D^i hgc Mo Dja chat r[.]
KHOA HOC VA CONG NGHE MO / N G H I E N CUtJ TUYEN NOI MOT SO M A U THAN HAT MjN VUNG HON GAI-CAM PHA TRONG DUNG D I C H Nlf6c BICN PGS.TS NGUYEN HOANG SON, TS NHUTTH! KIM DUNG Tnmng D^i hgc Mo-Dja chat r I han Id nguon tai nguyen quan trgng cua vCing Quang Ninh ndi rieng va cCia Vidt Nam ndi Chung Hang nam Viet Nam da khai thdc vd che b i l n hdng chye trieu t i n than trang dd than cam chiem mpt tJ trpng ldn Cho den p h i n Idn than cam d u g c tdch dudi dang cdm khd khdng qua tuyen Mot lugng Idn than ton dgng d u d i dang than cdm chat lugng x l u cung n h u than mtjn tgi cdc ho thai Vide nghign ctju tuyen c h l b i l n than cam d i nang cao chat lugng san p h i m se gdp phan nang eao higu qua qud trinh c h i bidn vd SCP dung tdi nguyen than tai Viet Nam Tuyen noi la mdt phuong phap higu qud d i t u y l n than hat Tuy nhign qud trinh tuyen noi tigu ton mdt lugng Idn n u d c dong thdi gay cac van d l mdi tordng lien quan den mgt lugng t h u l c t u y i n chira n u d c thai Cdc md than vung Hdn Gai-Cam Pha (Qudng Ninh) thudng ndm ven b i i n la cae ngi thieu nudc ngpt va chju eae ygu eau chat chg v l mdi t n j g n g Cac nghien CCFU tai n u d c ngodi cho t h i y kha nang sQ' dyng nudc bien Idm mdi tnj-dng tuyen than cd the giam bdt lugng thuoc tuyen s u dyng Viec nghidn cCt-u t u y i n noi than vung Hdn Gai-Cam Phd mdi tnrdng n u d c bien la van de cap t h i l t de nang cao hieu qua si> dung tai nguyen than va bao vg mdi trudng vCing than Bdi bdo trinh bay nhCrng k i t qua nghien ciru tuyen noi mdt so m l u than hgt vung Hdn G a i - C l m Pha dung djch n u d e muoi vd n u d c bien Van de t u y i n ndi than dung djch nu'O'c muoi Van de tuyen noi than dung dich chCra nhieu mudi da d u g c de cdp d i n n h i i u cdng trinh nghien CLPU trudc day [1M7] Cac nghien cuu da cho t h i y qud trinh t u y i n n i i than d u g c eai thipn trang dieu kien chira nhieu m u l i hda tan: tang toe tuyen noi, gidm chi phf thuoc tap hgp, tham chi khdng can thuoc tap hgp, giam chi phf hodc khdng can thudc tgo bpt N h i i u gia thuylt d u g c dua gidi thfch hien tugng tren nhu: dp ben vOng cCia Idp hydrat xung quanh hat khoang giam mdi trudng nudc muoi, s y nen ep Idp dien tfch kep xung quanh hgt than k h i l n hgt than cd t h i ttep xtjc gdn han vdi bdng khf, nudc mudi Idm on i^nh bpt ba pha tuyen noi.- Trong nghien cCru thi nghigm ehung tdi khdng chii trpng den cac van de ly thuyet ma chi tap trung vao cae khia cgnh Cmg dung thye te cua hieu Cpng Muc Sdu d i u tign eua nghign eCru Id xdc dinh kha nang t u y i n noi cua cac mau than hgt mjn vijng Hdn Gai-Cam Pha d l cd the t r i l n khai vao thye t i Muc tigu thu hai la xdc djnh cac thdng s6 d i i u kien ctjng cdc chi tieu cdng nghe cy the cd the dgt d u g c cija qua trinh M l u va phuo'ng phap thi nghiem Cac m i u bCin than nghien CIJU la cdp -1 mm d u o c tach tCr cdc mdu than cam d p 0^15 mm cua cdc vung than Hdn Gai va Cam Pha K^ higu ten eae m l u nghign cCru nhu sau: Hdn Gai 5A, Hdn Gai 6B, Nili Beo 6B, Cpc Sau 5A, Deo Nai 6B va Dd Mdi 6B Cac m l u than d u g c l i y tai cdc bdi than cua Cdng ty Kho van than Vinacomin Thanh p h i n dp hgt cua ba m l u than vCing Hdn Gai d u g c trinh bay tai Bang 1, edn ba m i u vung Cam Pha tgi Bang Didu kign thi nghiem chung n h u sau: •:* T h i l t bj thf nghiem: may t u y i n noi thf nghigm ngdn may Ift Humbolt (Du'C); • N u d c thf nghigm: n u d e may Hd Npi n u d c b i l n lay tCr b d b i i n Thdnh p h i Ha Long; • M l u thi nghiem; cdc mau than cap -1 mm vung Hdn Gai vd Cam Pha; • Che dp thudc tuyen: thuoc Ekoflot (thuoc tgp hgp cua Dt>c dung tai nhd may tuyen than Nam Cau Tring-Hdn Gai), ddu hda, dau hda+dau thdng CfiNG NGHl£P MO S - ^ ^ KHOA HOC VA CONG NGHE MO Bang Thanh phan hat cac mau bun than vung Hon Gai T T T* Cap hat, mm +0,5 +0,2+0,5 +0,074+0,2 +0,045+0,074 -0,045 Tong cong Mhu Hon Gai 5A Ttiu hoach, % Oo tro, % 28,76 20,70 25,63 28,28 24,53 14,58 18,97 6,41 48,82 30,03 32,66 100,00 MSu Nui Beo 6B MSu Hon Gai 6A tro, % Thu hoach, % Do tro, % Thu hoach, % 14,37 33,53 20,00 13,89 25,63 27,74 16,39 21.60 15,77 24,98 14,19 16,45 9,29 22,70 12,33 9,51 51.75 34,93 28,02 38,56 100,00 36.05 20,63 100,00 Bang Thanh phan hat cac mSu bun than vung Cam Pha lh1 Cap tiat, mm +0,5 +0,2-0,5 +0,074-0,2 +0,045+0,074 -0,045 Tong cpng MSu Coc Sau 5A Do tro, % Thu hoach, % 25.4 15,19 17,17 21,88 11.32 14,62 15.23 16,25 32,06 27,83 20,67 100,00 Mau DiS Mai 6B MSu Deo Nai 6B Do tro, % Thu hoach, % Do tro, % Thu hoach, % 35,52 51,99 21.83 13,39 34,47 20,66 20,79 27,80 29,72 5,91 14,62 16.72 2,68 32,70 21.39 11,09 18,76 69,19 47,76 33,10 100,00 41,20 100,00 29,33 J KSt qua tuyen cac m§u than viing Hon Gai T T 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Mau than Hon Gai 5A Hon Gai 6B Nui Beo 68 Dieu kien thi nghiem CTTBDT, q/t MTN CPTTP, q/t NU'O'C may DSu hoa 1200 100 DSu hoa 1200 NU'aC may Elioflot 1200 Nuoc may Nu'oc bien Ekoflot 300 Nuoc bien Ekoflot 450 NU'O'C bien Ekoflot 600 NuCTC bien NLFOC bien DSu hoa 450 Nuoc bien Dau hoa 600 Nu'oc may Dau hoa 1200 100 Nu'oc may Dau hda 1200 Nu'oc may Ekoflot 1200 Ekoflot 300 N c a c bien Nu'O'c bien Ekoflot 450 NuCTC bien Ekoflot 600 NU'aC bien Naac bien DSu hoa 450 DSu hoa 600 Nuoc bien Nu'oc may Dau hda 1200 100 Nu'oc may DSu hda 1200 Nuoc may Ekoflot 1200 Nu'dc bien Ekoflot 300 Nuoc bien Ekoflot 450 Nuac bien Ekoflot 600 N u a c bien Nu'oc bien Dau hda 450 Nuac bien Dau hda 600 - - - TH, % 83,86 48,73 85,62 78,12 82,6 85,84 73,42 80,43 83,65 65,44 38,15 67,12 59,33 63,54 68,1 52,47 63,72 67,38 61,46 35,67 61,72 56,8 60,32 63,18 50,42 57,62 63,42 Than sach Dd tro, % T T P C , % 94,51 9,92 5,83 57,41 96,28 10,15 8,78 89,34 9,54 93,73 96,74 10,15 6,38 86,05 93,29 7,45 8,28 96,05 10,65 86,71 6,12 53,11 10,93 88.73 8,62 80.41 9,47 85,35 10,24 90,71 5,95 73,13 8,47 86,44 9,26 90,73 11,15 85,18 6,14 52,23 11,55 85,18 8,15 79,99 9,57 85,15 10,45 88,25 6,22 73,71 9,42 81,45 10.30 88,76 Dp tro da thai, % 72,81 33,60 79,34 61,16 71,26 81,62 58,07 72,65 30,70 74,08 48,88 76,90 67,53 72,91 80,37 61,86 74,79 80,84 76,35 52,40 75,19 71,00 76,03 79,54 65,98 71,95 80,31 i ^hi chu: rh.-y MTN - Moi trudng nudc, CPTTP Ghi Chi phi thuoc tap hgp, g/t, CTTBDT - Chi phi tao bot dau thdng, g/t, TH - Thu hoach, %; TTPC - Thye thu p h i n chay, % I CONG NGHIEP MO, SO 1-2016 " KHOA HOC VA CONG NGHE MO Mau than kho hda vdi nirdc d p vdo ngan may d u g c khuay t i i p xuc vdi thuoc t u y i n vdng phut Thuoc tao bgt ( n i u cd) d u g c d p sau dd vdi thdi glan t i i p xtJc phut Sau m d khf vd ggt bgt t u y i n no! vong phCtt Cac san pham t u y i n (bgt va san pham ngan mdy) diroc Ipc say khd, d n va phan tich d d tro T h y c thu phan chay d u g c tfnh theo cong tht>c: E=ysP.(100-Asp)/(100-AcL),% ^ ^ (D Trong do; ysp - Thu hoach san p h i m t u y i n ; Asp, AcL - T u o n g i>ng id tro san pham t u y i n va dp tra than d p lieu t u y i n noi K i t qua thf nghiem K i t qua thf nghiem vdi d c mau Hdn Gai d u g c trinh bdy tgi Bang 3, cdn d c m l u Cam Pha tai Bang Bang Ket qua tuySn cac mSu than vung Cam Pha Mau ^ W ^ ^ ^ ^ ^ ^ H thi nghiem than ^ ^ ^ ^ V B T T P , RA CTTBDT, g/t TH, % T "2~ Coc Sau 5A T^ 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Beo Nai 68 Ba Mai 6B Nirdc mSPJ^ N u d c mdy Nudc biin Nudc biin Nudc biin N u d c bien N u d c bien Nude biin N u d c may N u d c may N u d e may N u d c bien Nudc biin Nudc biin Nudc biin N u d c bien Nudc blln N u d c may N u d c may N u d c may Nudc biin Nudc biin Nudc b i l r i ^ Nudc,|d|r Dau hoa 1200 ^ ^ i l ^ o t 1200 Ekoflot 300 Ekoflot 450 Ekoflot 600 D i u tida 45Q_ -_ Dau hoa @ i i ^ S g ^ ^ Ddu hda ^ ^ Ddu hda 1200 Ekoflot 1200 Ekoflot 300 Ekoflot 450 Ekoflot 600 D i u hda 450 D i u hda 600 D l u l i d a 1200 Ddulhda 1200 Ek(|not 1200 E ^ o t 300 J f e l o t 450 mibflot 600 • ' Ddu hoa 450 Dau hoa 600 ,"^f^ 100 - Ket ludn •:• Cac m l u than mjn -1 mm vung Hdn Gat vd Cam Pha d tfnh kha t u y i n n i i t u o n g ddi tdt Trang mdi tnrdng n u d c thudng tCr cdc mdu ttian ndy bang tuyen noi d t h i thu d u g c than sach d dp tro