Schedule 13G/A

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 2)*

Calgon Carbon Corporation

(Name of Issuer)

Common Stock

(Title of Class of Securities)

129603AB2

(CUSIP Number)

December 31, 2009

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o Rule 13d-1(b)

þ Rule 13d-1(c)

o Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

(Continued on the Following Pages)
(Page 1 of 5 Pages)


CUSIP No.		129603AB2


1	NAMES OF REPORTING PERSONS Linden Capital LP


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) þ
	(b) o

3	SEC USE ONLY



4	CITIZENSHIP OR PLACE OF ORGANIZATION

	Bermuda

		5	SOLE VOTING POWER

NUMBER OF			0

SHARES		6	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			0

EACH		7	SOLE DISPOSITIVE POWER
REPORTING
PERSON			0

WITH:		8	SHARED DISPOSITIVE POWER

			0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	0

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

	0%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	PN

Page 2 of 5


CUSIP No.		129603AB2


1	NAMES OF REPORTING PERSONS Siu Min Wong


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) þ
	(b) o

3	SEC USE ONLY



4	CITIZENSHIP OR PLACE OF ORGANIZATION

	China

		5	SOLE VOTING POWER

NUMBER OF			0

SHARES		6	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			0

EACH		7	SOLE DISPOSITIVE POWER
REPORTING
PERSON			0

WITH:		8	SHARED DISPOSITIVE POWER

			0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	0

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

	0%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	IN, HC

Page 3 of 5

This Amendment No. 2 (“Amendment No. 1”) is filed pursuant to Rule 13d-2(b) promulgated under the Securities Exchange Act of 1934, as amended, with respect to the shares of Common Stock, $.01 par value per share (the “Common Stock”), of Calgon Carbon Corporation (the “Issuer”) beneficially owned by the Reporting Persons specified herein as of December 31, 2009, and amends and supplements the Schedule 13G filed December 18, 2006 and Amendment No. 1 to Schedule 13G filed February 14, 2008 (collectively, the “Schedule 13G”). Except as set forth herein, the Schedule 13G is unmodified.

The names of the persons filing this statement on Schedule 13G are: Linden Capital LP, a Bermuda limited partnership (“Linden Capital”) and Siu Min Wong (“Mr. Wong,” and collectively, the “Reporting Persons”).

Item 4. Ownership.

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

	(a)		Amount beneficially owned:

			The Reporting Persons collectively do not own any shares of Common Stock.

	(b)		Percent of class:

			The Reporting Persons have beneficial ownership of 0% of the outstanding shares of Common Stock.

	(c)		Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote

Not applicable.

(ii)

Shared power to vote or to direct the vote

Not applicable.

(iii)

Sole power to dispose or to direct the disposition of

Not applicable.

(iv)

Shared power to dispose or to direct the disposition of

Not applicable.

Item 5. Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following þ.

Page 4 of 5

Item 10. Certification.

By signing below the undersigned certifies that, to the best of its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURES

After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct.

Dated: January 15, 2010


LINDEN CAPITAL L.P. By: Linden GP LLC, general partner
By:	/s/ Siu Min Wong
	Siu Min Wong,
	Managing Member


/s/ Siu Min Wong
SIU MIN WONG

Page 5 of 5