5 research outputs found
Chemical cleaning of RO membranes fouled by wastewater effluent: Achieving higher efficiency with dual-step cleaning
No full textThe effect of different modes of cleaning of RO membranes fouled by wastewater treatment plant effluent has been investigated. Characterization of the wastewater effluent revealed the presence of foulants containing carboxylic and phenolic functional groups as well as calcium ions. The chemical cleaning agents, sodium hydroxide (NaOH), ethylenediaminetetraacetic acid (EDTA), sodium dodecyl sulfate (SDS), and sodium chloride (NaCl), were selected as models for alkaline solutions, metal chelating agents, surfactants, and salt cleaning, respectively. Specifically, we examined the impact of a sequence or a combination of two cleaning agents compared to the use of single cleaning agents. Increased cleaning efficiency was demonstrated when two cleaning agents were applied in a certain order and mixture. In particular, it was shown that addition of NaOH can enhance the overall cleaning performance when introduced with other chemical agents, due to its ability to loosen the fouling layer. Cleaning efficiency as high as 94% was obtained by simply increasing the pH of an NaCl cleaning solution, compared to 65% in the case of the individual salt solution with no pH adjustment. On the other hand, combining chemical cleaning agents was not advantageous in some cases, possibly because of the competing cleaning mechanisms of some of the agents. The most and the least effective cleaning modes were highlighted, suggesting a rationale for the design of chemical cleaning of RO membranes fouled by wastewater effluent. This study demonstrates that careful selection of cleaning agents and the steps through which those agents are applied allows the regeneration of high water productivity after fouling while minimizing both the cleaning time and the amount of chemicals
Fouling and cleaning of RO membranes fouled by mixtures of organic foulants simulating wastewater effluent
No full textPerformance of A-stage process treating combined municipal-industrial wastewater
No full textA biosorption column and a settling tank were operated for 6 months with combined municipal and industrial wastewaters (1 m3/hr) to study the effect of dissolved oxygen (DO) levels and Fe3þ dosage on removal efficiency of dissolved and suspended organics prior to biological treatment. High DO (>0.4 mg/L) were found to be detrimental for soluble chemical oxygen demand (COD) removals and iron dosing (up to 20 ppm) did not improve the overall performance. The system performed significantly better at high loading rate (>20 kg COD.m3.d1) where suspended solids and COD removals were greater than 80% and 60%, respectively. This is a significant improvement compared to conventional primary sedimentation tank and the process is a promising alternative for the pretreatment of industrial wastewater
Novel method for detecting bitline contact misalignment using quantitative analysis of high-aspect ratio SEM images
No full text0001
No full textTHE DAILY l'ALO ALTO TIMES
SHAW TALKS ON WILL PUN SH
PROSPERITY LAW-BREAKERS GUILTY OF FRAUD
Southern Pacific
Time Table.
-_^^^^^^^^^^^^^^^^^^ ai— 7:«0 a. ra
No *4— ":E* a. m
roiiMiii ■bout-axy of thk bo-apaiit.: throw* mn the ooitwirato*-*, who -aociMD «,-„ 14—io!io a!
From San Fraadaeo—
(dallr).
<flun. only).
Idall,}.
Palo Alto
Creamery
1*'r-e-ili churned batter daily-
Ice eremm to orijcr at whole-
ii
TIU.AHt BY HAVH l*KOPI.K WILL
HAVE U If AT THEY EXI-BOT.
CAl'XTLET TO THE CRITICS
ok wall mm.
CMscusjm-s the l-*re*eal Flnsnrlal Htate
of Affairs and Horn Kxtrunlvoly
Into Ktatisllcra.
Attorney Oeneral Is K-n-tlu-tlr In Th**
daring Tliat His I*ei-artnietit Will
l-suilsh All fa*w*lbv-aki r*.
LASO lil-m .Ni -1 IV OliOKT*
KO IX FKIIKHAL (Wilt.
Million*! i-r Kdward II. I'erriti as
Jolm A. IU1.-11 WUI He Op for
Seiii.nf,- oa Thuiwday.
New Tork. Aag. 10.—Leslie P.
pliftw, former Secretary of Ibe Tress-
dry, autborlisd tbe following Inter-
Tlew on tbe present flnanrlsl and
Industrial eoadltlons today:
"Oar farms produced mor* thsn
90,500,000,000 per annum snd the
prospect Is good for sn sversgs crop.
Oar mines yield more than 11,500,*
600,000 and our forests mors than
fl',000.000,000 sod neither of these
•ources of weslth hss beso eibsust-
•d. Th* output ot our fsctorles la
otber thsn food products 111,00*).-
-900,000, and no Ore* hsre been ci-
ttnguiihed. The rallwsys earn
store than tl.000,000,000 and they
are all In successful operation. The
payrolls of our factories and rail-
-srsys sggregste spproslmalely II,-
'800,000,000 sad ihe seale of wages
thare been redueed. la other words,
the real source of the people's wealth
bas not yet been alfwted and the
-ability of Industrial concern to pay
•dividends Is not measured b» the
nsrket price of (heir stocks. Logl*
cal reasons for serious conditions
are therefore wanting. Psychological reasons sre never wanting*
"if 1 Judge correctly, the people
•witl bsrs essctly what ii> > *x'*e«l.
ff tho*-. who oar* money In the
tsnks withdraw lt and lock It Up: If
ths banks refuse to grant accommodations, and if the consuming
pnblio decline to place orders, then
SN will very soon witness tbs effects.
Let those who thlak that times of
-disaster follow eacb other at regular
Interval* bear In mind that tbla country never yet experienced a period
ot depression thst wss not traceable
to financial or economic agitation or
legislation, snd ususlly to both,
"lo IMS ths redemption of green-
•backi Instead of silver, sod sliver In-
atsad of gold wss openly sdvocsted,
the psrty In power wss under promise to remove tbe protective tariff
•trom our Industries and the free
Wsahlngton, Aug. SO,—An Interview given by Attorney Oenersl
Bonaparte constltutea a reply to tbe
charge of Wall street tbst ths Attorney Oenersl bas been trestlag the
great Industrlsl snd flosnclsl enterprises of the country wltb flippancy.
The Interview is really a statement
(dallr).
I No. St—11:45 s. ra, (dally).
No. SI—ll:it p. m. (dally).
No. -10-— 1:01 p. m. (dsily).
No. II— t:bt p. m. (dsily).
No. 10— 4:11 p. m. (dsily).
No. 41— S:SI p. m. (*x.8ao.)
No. 14— 1:41 p. m. (dsily).
No. 44— C:0l p. ss. (ex. Saa.).
No. tt— t.ll p. ra. (dallr).
jNo. 41— 6:41 p. m (dally).
Ssn Pranclsco, Aug. 10.—Million- {No. 41— 7:09 p. m. fax, Sua.),
aire Edward tl. Porrln and I-and ; No. B0— 7:35 p. m. (dsily).
Agent John A. Benson srs convicted i No. £1— 9:16 p. m. (dally).
felons. In lh* t;tilted State* District {No. »4— 1:01 s. m. (dsily).
Court yesterday a jary returned
tbelr verdict Bndlng botb men guilty
of the crime of conspiring to defraud
the Pedursl Oovernment of Ita fores;
TELEPHONE JOHN 4HI
Pare Milk aad Cresm
llvcred*
drets*s aad tavdiem' Wear. Paa-
<T floods, ta-aeea, Sfattew, E*c ♦
rail st *
THE - 11 1:1 I*-'.
-'NT I tilv i--*it-* lirtii-,
fletwee*a Dryaal aad Ploev-aee.
'a-l
Prom Ssn J.
No 11— 1:00 s. b. (dally).
Xo. II— 5:30 a. m. toa. Sua.),
carefully prepared by Mr. Bonaparte ; lands Aad now lh*s* ag«d men, | No* 4S— *:1T **> ■*•■ tdtttty).
himself, ln part he sari: both la the decline of life, await the Nl>* '8~ *'33 *■ **■ ***■ Saa.).
"1 cannol understand how any sen- .sentence of tbe Court, a sentence ; *^a **• ***** *■ **• tea. Ssa.).
slbls person could be effected In desl* } thst msy mean that the remslnder of •**■ t7~ 7ml *• ***■ *-tally).
Ing with matters of business by any j thai- Htm absll be spent behind tbs No- **— T:8- •*• **• (ss. Bom.).
remarks which hsve been sttrlbafed wslls of s penitentiary. J* 41~ *■'•*•* *■ **■ (-sallr)-
to ms. I should say tbst business j In the conviction of Dr. Edward B. ! No- t9~ t:tl *■ **■ (dsily).
men ought to wish to hsre the Isw* | Perrln the Government sutboriUss ! ***• •*»—10:01 a. m. (dally),
strictly snd Impsrtislly enforeed. If hsve brought to Justice (he wealth)- ■****•» S7—11:08 a. m. (dally),
tbls ts done everybody knows what jest, the most prominent and the roost j No. 46—•i*:** ** ™*
be ran do and wbat be cannot snd j influential mnn, who, ap to tbe pres-
everybody bss s fair field sad do 1 eat time, ham Involved In tbe Isad
tsvorltos. This depsrtment of Jus- frauds tn this Stste. By the conrie-
Uce proposes to do precisely this snd I tlon of John A. benson tbe Pedersl
nothing more. It la required by the prosecutors hsve secured their first
Isw to enforce certain penal statutes j verdict against a notorious land-
wblcb mske certain forms of sctlons 'grabber, who for two decades man-
crimes against the United Stales snd aged to esrnpe conviction on numerals-- provide clrll remedies for such i ons charges growing out of bis land
Hlsgal action. Tbe depsrtment. sine* * operations.
1 hsre been at Its dead, hss oerer Judge De Ifsven will seateoce the
taken proceedings to enforce the ! men next Thursdsy.
laws without s very careful prelim- I Edward B. Perrln la a native of
Inary Investigation to determine j Alsbsras snd wss s aurgoon In -the
whnther there was any good reason - Confederate srmy. He owns 800,000
lo believe tbst tbe Iswa hsd been In acres of Isnd In Arlsona, S6,000 In
fact violated. Moreover, It has eon* j California snd 2.800 seres In Oregon,
slstsntly snd frequently overlooked 'end fs worth several millions of do!*
merely forms! vlolstioas of Isw or 1 lars. Hs Is 68 yesrs old and claims
offenses sttended with trivial eons*. * Williams, Arlsona, as hla bome.
quences, snd bss Invariably refused j John A. Benson began life as a
school teacher, became s lsnd surveyor, then s land agent and land
lawyer. His residence Is fn Ssn
Francisco. There srs otber Indictment* for eonsplrscy In land fraud
sgslnat Reason.
to Intervene In such rases whea there
wss sny reason to suspect thst Its Intervention was desired to further private ends, ff tbe ground of complaint agalnat the department Is that
It proposes to punish prominent and
wealthy men or corporations having
rsst stnotints of capltsl snd engsged
In very extensive business, when
thee* sre shown to hsve bv«n willful \ sembly committee appointed st thm
snd persistent, lawbreakers oa a last *x»**lon of the Legislature io con-
t^immmmmmmmmmmmmt^^^^^^^^ great seale. and with grave Injury to duct the Investigation against W. W.
-eolnag* ot silver at the ratio of It tb, purpose* of tbs Isw, I may admit; Shannon, superintendent of tbe Stat*
to 1 was championed by prominent tbat tbe*e complaints are well t Printing Offlee. met here yesterday.
founded. That is precisely wbat ths , The'committee consists of the fol-
Depsrtment of Justice Is trying following members: Miguel Estudlllo
do. snd, while I remain Its very an- J of Riverside, cbslrman: H H. Jury
worthy h*sd. will continue to do. so of Ssn Msten, P. A. Johnson of Los
far as It can." Angelas, Oeorge W. Root of Grass
Valley aad 8. H. Beckett or San
Good Craps Bring Proapertty to Marts ! Frsnclsco.
San Franclaco, Aug. SO.—Th* de- | Shannon hi charged with disposing
No. II— 8:06 p. nt. (dsily).
No. 47— 4:07 p. m. (dally).
No. 41— 4:16 p. m. (dally).
No. ll— 1:04 p. m. (dally). ,
No. II— 1:14 p. m. (dally).
No. tl— 9:18 p. m. (Sun. only).
Tb* destinations of tbe trains froea
Saa Frsnclsco sre as follows: It*.
€4 to Monterey: No. 80 to Bants
Crui; No. 31 to Ssn Luis Obispo; No
38 to Del Monte aad Psclflc Orovw,
No. 30 to Tr** Plnos; No. 44 ta Los
Ostos; others to Ssn Jose only.
Those from the south come
through as follows: No. II frote
I-o* Oatoa; No. 31 from Tre* Plnos;
No. 19 trom Saata Crut; No. SS
from Sao Luis Obispo; No. tl Irons
Rant* Cms; No. tt Monterey sscur*
sloe-
flub*rrlb« for Tb* Tisass.
Palo Alto Cabinet Wtrts \
. All kinds of Wood work snd!
nigh grade furniture msde to or-7
der s specialty. *
1 ill i» NVUtOlf I
lit High Street, Pslo Alto, Cal. J
****4****************** a**
El BCRKHART
trical Kngioeer
riling, supplies snd ftx-
« tares. Pbone Main 11. itl
X Emerson street
****** ***** MMIMM«»M««
A.D.WILLIAMS
1 ll:*l •< I *.*■. -mil-. -hiving
8taa4 at
M. \|.| s CIOAII tTiihf.
INI I iilv.r.ll> It.,...
S%m llyul-LA^ac ' ■»
"y/t
sTbc Fundamental
Principles
in thc building of the
vose
Piano
1. The scientific production of each separate
part;
2. The skilful combm**
tion of all the parts. -
The result is Koa* QualOy.
BEKJ. CURTU. & SON,
MU Taa Has A**arx
Saa Franclaco, CaL
S 2,VC
Money
STRONGEST GUAJiANTEJS.
National Stwing Machint Co,
nan rRANcnco. cau
P AC TOk v AT 9
■ambers of botb parties, Tho country might hsve survived sny on* of
these sources of alarm, but ll could
■ot survive all three. At this time
tu> one questions our financial system and tb* tariff will not be touched
Cor at lesst eighteen months.
* "Some check tn the speed at whlcb
•sre are going ts most desirable, snd
the checking proceeds hss probsbly
-bsgun. It will not require s fair
Mtate rrtater 1'nder Investigation
Sacramento, Aug. 10.—-The As- : W
t
mand (or labor ln the agricultural ' of three printing presses belonging
districts of Csltfornts Is much In ' to tho State st a price far below
excess of the supply. Th* California their actual value; following Ihe San
sure ot confidence ami courage Promotion Committee ls lo roeelpt of ' Pranclsco disaster It Is charged tbat
to prevent undue retardment In our itatements trom many localities, he extended favors to private eoo-
Indust rie* Capital cannot b* forced specifying the kinds of lsbor which ' esrna for whtcb he received money
Into sctlvlty but ll csn be forced oat -.-* M*>-<leUv In requisition. A com- ! and, tt Is farther alleged, thai he
at activity. 1 have never sees th* blnatlon ot clrcamstaaoss sffeetlng chsrges higher pries* for Bute
Urns whsn universal sanity wss more j th* fruit growers bas gives to ths ' printing than would be charged by
assentlal to our wetlbelng." J canneries an unprecedented smount : prtvste concerns for the ssmo work,
of bualusss, snd every csnnsry tn tb* | During the session of the Leglslsture
State I* being operated to its almost
capacity, and tbere la room for hundred* mors of helpers, chiefly women
and girls.
There srs railroad projects being
puahrd In many localities of thr Stats
snd they sre bsrapered for lack ot
workmen.
■Socialist OongreM Opo«B *t Htiittgart
Stuttgart. Aug. 30.—The International (Socialist CongrAs opened her*
wltb over 100 delegate*, representing
tw*nty-flv* nationalities, present.
Hsrr Bebel. the Soclsttst lesder In
the Reichstag, vaa tbe flrat speakar.
Ha referred specially to Ih* strong
delegation trom tho t'nlted States.
Be spoke of what hs termed the
"Scandalous persecution" In Idaho.
"where tbe caplulist else*** did
everything possible to convict an Innocent man, who, after all, hsd been
brilliantly acquitted."
H*rr Singer, the Socialist member
ot the Relchstsg, wsa elected president of th* Congress.
he Is chsrged with having hsd numerous at'srhes who did nothing
but draw their pay.
Will la-iv-stlgate imraaalty Plea,
Wsahlngton. Aug. 30—District Attorney 81ms and special Assistant
District Attorney Wllksraoo ot Chicago hsvs arrived hers, bringing the
transcript of tbe testimony tsken ln
tho t-oeeat Standard Oil trial befor*
Jadg* Land's st Chicago. The tran-
icript win be submitted to th* At-
Bank Cashier *i*s.ikmi (thort.
New Tork. Aug. :o iUrector Bta-
pleton of the Staten Island National
Bank, announces thst Robert QUI.
csahler, has been srreated and
chsrged with s 113,000 shortage le
his accounts
QUI wss released ou ball and haa of the canyon,
been assisting tn straightening the stone over the edge, tb* earth gsrs
I account* His surety paid the short- way, precipitating him to th* bottom.
. Almost every bone la hi* body wss
broken and his skull wss fractured
la at least fifty plsces.
Boy Palls MO Fret aod Uv-sa.
Ban Dlsgo, Csl.. Aug. 20 —William
T. Sehlll. 19 years old, on* ot Ssn
Dtsgo'a best known youns men, wss
probably fatally Injure*! yesterday
morning by falling 300 fret orer a
cliff near the Old Mission dam, seven
miles north Of a*r*.
In company with Dallas Ksever,
youns Schtll wa* smuslng himself by
rolling boulders over tbe edge of ths
precipice to the rocks st the bottom
White rolling s Isrg*
sge
Twenty Hurt In Train Wreck.
Cedar Rapids. la., Aug. 30.—Pas
seng*r train No. 3 of the Chicago,
Milwaukee A St. Paul Railroad was
wrecked last alght at Keystone,
thirty mils* west of her*. Twenty
persona were Injured, severs! eeri-
torney Oenersl for examination and j outly. Ths train collided with a
determination aa to th* queitlon of
Immunity raised In the proceedings
pending sgslnst thr Cbicsgo A Alton
Railroad Company for alleged grant*
tag of rebates to tbe Standard OU
Company.
hand-car on
msnt.
a twenty-foot embsnk*
Kipling to Iteeelve Nobel Prise.
Stockholm, Sweden. Aug. 30.—It
ts reported here that Rudyard Kln-
llag will be swarded thla year's No*
bsl prti* In literature. Ons psper
says that the name^t Mark Twain
was suggest-*!, hut thai Klp.ing's
name prevailed wtth the committee*.
I'-a-wt-nger and Prtight Train* (Vlllds
New Loodon, Aug. 30.— A b«ad-oa
rr-fwlden* 00 the Majflower.
Reception to American Kqnadron.
Vladivostok. Siberia. Aug 30.—
Preps rations are being made her* to collision li reported at Allyna Point
gtv* a reception to th* Amerlcaa oa the Shore line div|ekm of the New
Pacific cruiser squsdron, wblcb I* ex- Hsr*o Railroad betwsea s passenger
Oyster Bsy, Aug. :o --President \ peeled to csll here before leaving the and freight train. Sevsjral persons
-Roosevelt boarded the Mayflower j Ortsat tor Ssn Frsnclsco. ....
■yesterday sad started for Prorlnoe-
town, Mass.. where he participated la
tb* saalrsrsary of the landing of the
Pilgrims today. The torp*do hosts
Wordea and Hopkins eoovoyed ths
Msyflower- Mrs. Roosevelt. Rthel aad
Quentln Roosevelt scoompsilsd the
i-Tesldsnt.
' Haa Jose Preparing for Nell** Sons.
Ssn Jose. Ang. 30.—Ssn Joee ls
, making monster preparations to wet-
j com* th* Native Bona to the Garden
1 City 00 September *, t sad 9, snd
: trom all rvports th* attendance witl
far stosed ah previous calibrations.
ar* reported to hsve been hurt.
fMofter Is Improving.
, Cal., Aug. :*.■■» Jack
Btoacr, Injured here Sunday In aa
satomoblle accident, ta reported Improved today. He ts very low, bat
tasrveloasly strong The tfta&tM for
his recovery sr* locrtiasfag.
■i^^^^^ll^^^^^^^^^^^^^^W^^^^^^^i^iii^i^dk^^im^^^^^^^
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