Expeirmental Study Of The Characteirstic Component (HSiO₃^-、Sr²⁺) Genesis Of The Mineral Water In The Basalt In Jingyu County

This paper is based on key project of Jilin province-Jingyu Mineral Water Sourceof groundwater model research topic selection reserves, according to JingYu basaltarea of mineral water features components (HSiO₃^-、Sr²⁺) release rules, accumulated,release quantity, the forming reason and its influencing factors of conducting research.Jingyu，Jilin province is located in the southeast, changbai mountain west side, thesonghua river upstream. Area belong to east Asia monsoon climate region, abundantrainfall. Years of average precipitation in600⁸00mm, research area is mainly lavaplatform, the main physiognomy types have basalt lava platform and the crater of thevolcano, cone, er, the lake, the lake and volcanic wetland, development of the anshangroup of four word sinian system LaZi river group, sporadic distribution has yuanancient world of sinian system, mouth stimulation, hence the Cambrian, world ofordovician formation; The main Mesozoic strata and the Jurassic and new world, thefourth is tertiary. Occurrence have basalt empty fracture water, loose rocks of porewater and granite weathering fracture water. Groundwater is the natural outcropspring, spring water dynamic stability, water quality has rich in HSiO₃^-and Sr²⁺,HCO₃—Ca type water to give priority to.To JingYu changbai mountain of basalt area is representative of the spring, allwhite pulp bay, fly, five longquan, WangDaShan longquan, experiment well drilling67-69m place and the experiment well drilling80-83m place for study on the rocks.Completed the field test taken, water chemical analysis experiment, fieldhydrogeology survey and analysis of the rock minerals and trace elements, oxideanalysis. This mineral basalt to plagioclase, single matrix inclined pyroxene andmagnetite is given priority to, just plagioclase particle size different, including fillinghave pyroxene and magnetite particles, a grain of structure is given priority to, mineral composition basic for spot brilliant peridot-granular, named olive basalt.Main oxide for SiO₂and Al₂O₃, main trace elements for Sr, Ba.This study design indoor experiment six groups, including watercycle-infiltration room check, immersion test, CO₂catalytic hydrolysis affect the basiccharacteristics of mineral water, the influence of the components of the acid, mineralwater features affect the composition of temperature and pressure and the influence ofthe components of mineral water characteristics experiments. Through theexperiments of water rock interaction mechanism for research.Water cycle-permeation experiment: rock in12days before the silicate runningto release a quantity to accumulate in10mg/kg less than, to32days, running thebiggest release a quantity to accumulate64mg/kg, up to89days, running the biggestrelease quantity achieved76mg/kg. In the92days rock sr, strontium accumulated torelease a quantity to1.6mg/kg, minimum release quantity for1mg/kg. In the wholeprocess of the release quantity of strontium and running a growing trend, its growthrate reduce gradually.Hydrolysis immersion test: rock in powder state, the accumulation of running torelease a quantity to12days before release speed slow, running basic content inaqueous solution in80mg/kg or so, then release speed up running until32days, thecumulative release quantity achieved150mg/kg, growth tends gradually quietly, andin the89days, every rock in aqueous solution running up to200mg/kg content to theleft. Massive rock metasilicate release quantity in uniform increase state, up to89days, block and block of Q6Q7in aqueous solution to release a quantity to theaccumulation of running are80mg/kg and59mg/kg. The release of strontium stableincrease. Up to89days, rock in aqueous solution of the cumulative sr release quantityachieved1.7mg/kg.CO₂affect the: rock powder in the initial stage, the accumulation of running torelease a quantity to increase slowly, at27days, accumulated release quantity forrunning95mg/kg or so, then, the growth rate of increase,56days, running the biggestquantity of accumulated to release597mg/kg. Massive amounts of rock running withthe passage of time increase, and56days, L6blocks and L7in aqueous solution of theaccumulation of running to release a quantity to274mg/kg respectively and144 mg/kg. In the rock in15days sr accumulated to release a quantity to a maximum of5.5mg/kg, minimum of1mg/kg. The amount of strontium exhalation of some gap, itcould be because, to release a quantity to larger rock contained in the amount ofstrontium element is higher.The characteristics of mineral water alkaline components affect the: theaccumulation of running release quantity is increasing, growth turned from small tobig, up to a certain value, and tends gradually smooth. In the rock in silicate12daysbefore the release in speed slow, the aqueous solution of basic content in50mgrunning around/kg, up to32days, including J₇rock in aqueous solution to release aquantity to the accumulation of running to245mg/kg, and accumulated releasequantity smaller J₆rock running in the content for180mg/kg. Up to89days, torelease a quantity to a maximum of349mg/kg, minimum value is also achieved215mg/kg. The rock in eight days before sr release speed slow, aqueous solution of therock strontium concentration in0.5mg/kg basic or so, then, to release a quantity tobegan to increase gradually, up to92days, seven rock in aqueous solution ofstrontium accumulated to release a quantity to the least also reached2.8mg/kg, mostlarge reached1.6mg/kg.Acid components of mineral water features affect the: rocks in27days beforesilicate release speed and running in aqueous solution content from21to84mg/kgbetween, then, the rate of growth of release quantity accumulation slows down, thevalue that a little change. Up to85days away, the accumulation of running to releasea quantity to95mg/kg maximum and minimum value to28mg/kg. Data showsN₂,N₆,N₇, of the rock to release a quantity to higher, it could be because: mineralcomposition, N₂,N₆,N₇, mineral composition of the content of feldspar more,accordingly its metasilicate releases quantity is relatively high.The temperature and pressure of the components of mineral water featuresaffect the: running is released as the temperature increasing pressure increased.Response only a day time, in240℃condition, the content is running has reached3.5mg/kg,300℃in the state, its value is4.4mg/kg. The temperature and pressurethat the initial solution and dissolve the influence of filter function occur, a positivecorrelation. JingYu basalt areas including potablenatural mineral water, strontium theformation mechanism is: including CO₂water infiltration to basalt in vertical fractures,after a long cycle, rock and water happened a precipitation hydrolysis reaction, inaddition to quartz happen weak dissolved, the main witness complex silicate andaluminum silicate （such as feldspar, Angle flash stone, black mica, olivine andpyroxene, etc） ascertainment of dissolved, make the ingredients form kaolinite part ofrock, montmorillonite outside, part in the water, forming contain Sr and H₂SiO₃mineral water. And Sr, H₂SiO₃content of relative height, rocks and minerals by nature,rock weathering degree, element migration ability, water pH value, water,groundwater runoff CO₂content condition, temperature and pressure of the factorssuch as constraints.