Agenda for technical observers meeting, August 24 and 25, 1966

(1)

Time Wed. 10:00-10:30 10:30-12:00 1:00-2:00 2:00-4:30 Thurs. 9:00-9:30 9:30-10:00 10:00-11:00 11:00-12:00 1:OO-2~00 2:00-4:00 4:00-4:30

_1

minute

AGENDA FOR TECHNICAL OBSERVERS MEETING AUGUST 24 AND 25, 1966

Sessions

General Review and Alignment of Subsequent Sessions

Corrosion Program -Requirements ·Scope

Engineering and Economic Analyses

'Optimum Maximum Shale Size and Number of

Feed Fractions Retort Studies

·Crushing Studies

·Shale Size-Rate Studies -Retort No. 2 Operability -Bench Scale Studies

-Future Plans Mechanical Engineering Analytical Laboratorx Mining Studies -Mine Development ·Mining Research

Mechanical Model Studies

·Basic Mist' Flow in Piping 'Design of 100 Ton Bin

"Retort Shale Flow and Bayonet Length Stage II Rehabilitation

Inspection Retort No.3 Review

o1~~

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Staff On Call All Technical Staff Bill Bergen, Les Skowronek, John Lawson, Tom Lyons, Ken Jagel Engineering Analysts Retort Group, Engineering Analysts Long Range Planning & Review Group Mechanical Engineers Analytical Laboratory Section Mining Section Mechanical Model Group, Mechanical Engineering t-1echanical Engineering, Retort Groupi Mechanical 'Model Group

"

Program

~1anager

breaks will be observed on the hour, after the first hour of each morning or afternoon session.

(2)

Purpose: To develop information for assistinq with the selection

of materials used in the commercialization of shale oil

production.

Scone: + Covers determination of corrosion and erosion rates of construction materials at both high and low temperature locations by use of test coupons and on-stream ultra sonic thickness calipers. Minimum off-stream visual inspection points are listed.

Corrosion Test Racks

/

To be installed prior to st2rtup of Retort No.

1

and removed for

corrosion rate and metallurgical evaluation after 12-month operation. a. High Temperature Racks

Materials: Carbon steel, 5% chrome steel, Types 304, 316, 321, 309, and 310 stainless steels, RA 330, 50-50 and 60-40 chrome nickle and Inconel

1. On air distributor header (approximately 8000 _F)

2. At top of air distributor (approximately 16000 _F)

b. Low Temperature Racks

Materials: Carbon steel, 5% chrome steel, 12% chrome steel, aluminum, aluminum bronze,

Admiralty brass and 304 stainless steel 1. In vapor plus mist off retort (in plenum chamber) 2. In vapor out of electrostatic precipitator

3. In product line before decanter 4. In foul water in decanter

5. In water day tank

6. In shale oil storage tarik

7. Corrosion probe into the water phase of decanter to check for hydrogen and monitor the water phase for pH, S, NH3 and Cl

Erosion Test Panels

To be installed as 6-inch by 6-inch panel sections as part of Recycle Gas Distribution in Retort. Measure thickness before and after 12-month operation.

Haterials: Carbon steel, 18-8 stainless steel, selected

- - - ,

_hardfacings, _c_~_lorizing,_{and Rockide C.}

A composite dummy thermocouple of RA 330, 60-40 and 50-50 chrome nickle, calorized SS and

(3)

- 2

Minimum Monthly Erosion Check Points

To be measured on-stream with ultrasonic thickness caliper.

1. Outlets of 100-ton bin

2. Wall and outlet of surge or weigh bin

3. Outside (top and bottom) of retort feed distributor

and six feed legs before entering retort

4. Six drawoff pipes from retort

5. Exterior shell of drawoff cone

6. Shells of screw conveyors

Minimum Monthly Corrosion Check Points

To be measured on-stream with ultrasonic thickness caliper.

1. Vapor plus mist outlet line (before, after, and on

elbow)

2. Product line to decanter

3. Recycle gas

line

before and after compressor

4. Vent gas

line

entering stack

Minimum Inspection Points

To be inspected visually, or by use of simple techniques in cluding ultrasonic thickness caliper, during downtime and at end of 12-month operation.

1. Mine - points to be selected and air and water systems

2. Crushing Plant - feeder, jaw crusher, roll crusher,

gyratory, and cones in 100-ton bins as well as' primary and secondary spent shale screens

3. All conveyor belting

in

shale transfer system

4, Rotary feeder at top of retort

5. Refractory

6. Screw feeder at bottom of retort

7. Retort feed distributor inner cones

8. ,Air distributors

in

combustion zone

9. Thermowe11s .

10. Electrostatic precipitator components 11. Slusher

12. Any point showing 'fouling as a result of dust or solids accumulation

13. Monitor star feeders for leakage

EBBackensto Revised 8/24/66

(4)

To develo? inform&~io~ fo~ assistina wit h t~e selection

of mate' ia~s used in the com~e~cialization of sha e

oil oroc,c:;.ction .

Cove~s detcrminatiol of co~rosion and e~OSlO~ r ates

of const~ucti0~ mat eri a ls at bot~ ~ig~ and low ten~erature locations ~y ~se of t est coupons and on s~rearn ul trasonic t~ic~ness ca~ipers. Pi nirnum off

stream visual inspection points are l i sted.

Corrosion Test Racks

?o be insta_led prior to sta~tup of Reto~t No. 3 and rc~oved

for corrosion rate and metallurgical evaluation a~ter 12-~onth

operati on .

Hi ci Temoerature Racks

0 . .

~a

t

e

ri

als

:

Carbon st e c: ,

5 ~

chrome steel , Tvpes

f~

-

~

--~

304, 316,221., 09 , and 310 s·tainless ('-"vr--'--~

s teels ' l ' . 111/ -1;}i!!J;" 2

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1J,..,jti .l~ 4.. ' a ~j - <-, /, i(..'''2t- "-,-j ,-<'- - ~~-). A.-C··~-, J - _

1. On air d:st~ibutor ~eader (approxi~ately 8000 _? ₎

2. At t OD of air istr ibutor (approximately 16 GO F)

b. Low Temoeratu~e Racks

r _ .

l'-1aterials : Carbon ste 5% chro.e steel, 12% chrome

sJceel, al ·:'ninu .. , a:,Q aluIT,inum bron::e

l . In vapor ~I -US TIl; C'- o-f-':: r oto-"-+- (i n 0 1 e' 11m chamhe 'r)

.. .t:-'- . ~.-~:: _ .L "- "':" - - - \ - . - _H' -- Ld.J~ .... /11

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2. I n vapor ou·c or e.lec·t ostatlC preclplt a-tor _~-:--./ C I/JtDA- 

3 . In product line before de canter . ~_'

hr---;

.

In foul >"later in decan cer - f/.l-j-<-'.:rG

5 . I n water day ·t ank

6 . In shale oi l storage tank

Erosion Test Panels

To be installed as 6- inch by 6-i nch panel sections as part of

Recycle Gas Distribution in Rato~t . Measure thickness before

and after 12-mont h operation.

Eat e rials : Car bon steel , 18-8 stainl ess st eel, and

selected hardfacings .

(5)

- 2

-1. Outlets o f lOO-~on 3i0

2. ~a~l =~d o~~lct of surqe or veich

3. Outsi de (top and bot~o~) of reto~t

and six ~eed 12q5 b2~ore entering

4 . Si.' d~:-a\vo :Ef oi"025 froD rctor-c 5. =xt erior she:l

0 :::

2rawoff c one

6. Sh2 Is of screw conveyors

Mini0u~ ~onthly Co~ros:on Check ?oi~ts

~i~

fee: di s t r ibutor

retort

To be measured on- s tream with ult .asonic t hickness ca1~per .

1. Vapor plus Di st o~t-et line (befor e , after , and on elbow)

2. Product li~e to decanter

3. Recyc:e gas l ine befor e ane after compressor

4. Vent g as lin ente ing stack

~inimu~ Ins?ection Po int s

To be i nspected vis-l~ lly 1 or by use of i!'1L~)le t echniques

inc ludL.g 'l:_-::'rasonic t:.Lic}c-,css cali?er : du.L i ng dOVJntin~e and

at end o f 1 2-.Dnth o~e_ ation .

- , r

Mine - pOlnts . to ce . seLec~eQ _ " ,':'.:r.o - - d J~ "-9~

2 . Crushi ng P_a nt - :Eeeder, :~w c _usher , roll gyratory , and cones i _ lOC-Ton Bins as we I

primary aid secondary spent shale screen s

_~~

-crusher ,

as

.3 . l~ll conv'l"2~{O__ bel-=cirl<) ~T'.l s:.:.ale tra.nsfer system

4 . :otary feeder at to~ of retort 5. Screw feede r at bottom of r -tort 6. Retort feed distribut er ~nner c o ne s

7. Air distributors in c03bustion zone

8 • The rrnO'ilC11s

9. Electrostatic precipitator COIDDonents

10. Slusher

11. Any point showing fouling s a ~esult o f dust or

~o ids accumulation

12 .

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EBP·2c\:ensto

(6)

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PRIMARY JAW CEUSHER PHODUCT

, ,

'I Setting: 4" Closed 5" Open

, ':, ,";\' Basis: 10 Samples Totaling 510 Pounds

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Largest Tyler Screen Available 3"

., f," ;, It.0 ," " ~to -' ,l . •1 ..' , . , , 1.0 ",:

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I' , • Percent Passing Through Screen

(7)

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SHALE SIZE DISTRIBUTION OF PRODUc'r FEOM ALLIS-CHALJvI'cERS DOUBLE HOLL CRUSHER

Crusher Setting-Clearance From

Symbol Teeth to OPEosite Roll, Inches

6

~ 0.5

~ 0.85

~ 1. 35

Size of Raw Shale Feed

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Crusher Roll Speed 170 RPM

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(\}0; .~ ~. :-. _'_{TABLE 2}_' SUMMARY OF RESULTS

RICH SHALE RUNS PTB-924, B-924, AND B-925

Run Number PTB-924 8-924 B-925 .

Date/Run Length,

Hours

6/29/66 . 6/29/66 '. 6/29/66

Test Length, Hours

_.'

_.

8 8 8

Air Rate, SCF/T 4,100 4,430 4,390

Recycle Rate, SCF/T 13,300 12,100 13,800

Offgas Temperature, OF 139 131 131

Bed Height, Feet 9 9 9

Average Retort ~ P ,. Inches H20/Ft 0.66 0.61 0.63

Raw Shale Fischer Assay, Gal/Ton 33.8 35.1, 34.2

Nominal Raw Shale Size, Inches 3/4-1 1/2 3/4-1' 1/2 3/4-1 1/2

Actual Raw Shale Size, Inches (3/4-1 1/2) (3/4-1 1/2) (3/4-1 1/2)

. Oil Yield, Volume Percent RSFA 85.7 87.3 93.0

Overall Balance', Wt % 99~0 98.7 99.4

Organic Carbon Balance, wt % 89.1 . 95.2 96.4

Carbonate Decomposition, Wt % . 30.8 29.0 . 29.4

~ ... , ....

. -. ~.- .. .~ ~... ."

Eight Bayonet ,..

Air Distributor Dwge No~ RC-114 RC-114 RC-114 .

:""-::->~•

•=.

Comments Retort was Reduced air Quality of

'-.

bridged for rate 2 hours shale flow

35 minutes before end of continued to

in middle of period because deteriorate

. period. Lowered of deterioration and finally

recycle and in of shale flow the retort

I.

_{creased air at} _quality. was shutdown

if time of bridge. by bridging.

r

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_·₁ RLMcGa1liard "1_., eo 7/18/66

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([)

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TABLE 5

RECOVERY OF OIL FROM OIL/FINES

Pressure

=

10 rom Hg. Experiment No. 2 2A 2B· 2D Charge,

l'

.

oi

1 ( ) ₉₀ ₉₂ ₉₀ ₈₈ Fines(2) 0.0 210 210 90 Pot Residue, g 2.0 210 203.3 92.7 Oil Distributionv Wt % Overhead 92.4 84.5 87.5 88.7 Residual 0.1 1.4 Trace 2.4{3:) 3.4(3:) Coke 2.1 4.5 5.9 5.5S:) Gas(4) 5.4 9.6 6.6 Cracking Temperature, of @-rO rom Hg. 650 503 568 635

e

@ 760 mm Hg. (S} 1000 800 882 965 S. G. 600/600 F Overhead Product 0.935 0.929 0.928 0.930 (3) Carbonate Decomposition, % 15.5 21.5

~~.-/

S. G

60/60

=

0.938;

H20

content -

Trace

· .

~ \

12»)Retort

oil:

~y

« _{Fischer retort spent shale} _fines _~-8_mesh)

(3h'\11IIiytiocil i1uck iii I~:6 C

(4)Calculated by difference, includes physical losses (5) Reference: "Data on Hydrocarbons", J. B. Maxwell

DPCotrupe 7/18/66

(22)

FIGURE 14

BATCH RETORTING IN THE PRESENCE OF FINES YIELD LOSS AS A FUNCTION OF FINES

TYPE AND SHALE RICHNESS

Legend:

Q - Raw Shale Fines

,

.

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